@inproceedings{WalterAlmhemKrautz, author = {Walter, E. and Almhem, P. and Krautz, Hans Joachim}, title = {A Lignite Fired Combined Cycle Heat and Power Plant using Presssurized Fluidized Bed Combustion}, language = {en} } @inproceedings{KrautzSchraderThielenetal., author = {Krautz, Hans Joachim and Schrader, A. and Thielen, W. and Paulick, G.}, title = {Verbrennung von Wirbelschichtkohle und Kl{\"a}rschlammin der LCS-Zykloidfeuerung}, series = {Verbrennung und Feuerungen, Tagung Delft, 28. und 29. August 1997, 18. Deutscher Flammentag}, booktitle = {Verbrennung und Feuerungen, Tagung Delft, 28. und 29. August 1997, 18. Deutscher Flammentag}, publisher = {VDI-Verlag}, address = {D{\"u}sseldorf}, isbn = {3-18-091313-4}, pages = {169 -- 176}, language = {de} } @inproceedings{ChalupnikKrautzSchulzeetal., author = {Chalupnik, Rolf W. and Krautz, Hans Joachim and Schulze, H. and Stuhlm{\"u}ller, F. and Thielen, W.}, title = {Plant studies and experiments for a lignite-fired combined-cycle power plant using circulating pressurized fluidized bed combustion}, language = {en} } @inproceedings{OwczarekKrautzGriebeetal., author = {Owczarek, Christian and Krautz, Hans Joachim and Griebe, Steffen and Schrader, A. and Paulick, G.}, title = {Progressive combustion of lignite and sludge in atmospheric cycloid combustion system}, language = {en} } @inproceedings{GriebeKrautz, author = {Griebe, Steffen and Krautz, Hans Joachim}, title = {Development of a cycloid combustion system for lignite and co-combustion of sewages sludge and biomass with high efficiency and low emission}, language = {en} } @inproceedings{SchierackKrautzGriebe, author = {Schierack, Frank and Krautz, Hans Joachim and Griebe, Steffen}, title = {Development of a new Brown coal fired Combined-Cycle Power Plant using CPFBC, 2nd Generation}, language = {en} } @inproceedings{KrautzSchierack, author = {Krautz, Hans Joachim and Schierack, Frank}, title = {Weiterentwicklung der Druckwirbelschichtfeuerung}, language = {de} } @inproceedings{RistauMrozKrautz, author = {Ristau, Herbert and Mroz, Marcin and Krautz, Hans Joachim}, title = {Research and Development of Progressive Power Plant Techniques at the Brandenburg University of Technology Cottbus}, language = {en} } @inproceedings{SchraderPaulickKrautz, author = {Schrader, A. and Paulick, G. and Krautz, Hans Joachim}, title = {Entwicklung eines druckaufgeladenen Feuerungs-systems f{\"u}r Wirbelschichtkohle}, language = {de} } @inproceedings{SchierackPriesmeierKrautzetal., author = {Schierack, Frank and Priesmeier, U. and Krautz, Hans Joachim and Thielen, W.}, title = {Theoretische Voruntersuchungen zum Versuchsbetrieb an der Technikumsanlage mit zirkulierender Druckwirbelschichtfeuerung (ZDWSF 2.Generation) der BTU Cottbus}, isbn = {3-18-091535-9}, language = {de} } @inproceedings{SchierackRombrechtKrautz, author = {Schierack, Frank and Rombrecht, Hans-Bernd and Krautz, Hans Joachim}, title = {Stand der Forschung an der Versuchsanlage mit zirkulierender Druckwirbelschichtfeuerung der 2. Generation in Cottbus sowie M{\"o}glichkeiten der Einbindung eines Heißgasfilters an dieser Versuchsanlage}, language = {de} } @inproceedings{RombrechtKrautz, author = {Rombrecht, Hans-Bernd and Krautz, Hans Joachim}, title = {Stand der Untersuchungen an der Versuchsanlage mit zirkulierender Druckwirbelschichtfeuerung der 2. Generation der BTU Cottbus}, language = {de} } @inproceedings{MenkeKrautzMandel, author = {Menke, Dominik and Krautz, Hans Joachim and Mandel, Hans}, title = {Modelling of availability and system dynamic of large scale fossil fuel fired power plants}, language = {en} } @inproceedings{MenkeKrautz, author = {Menke, Dominik and Krautz, Hans Joachim}, title = {Dynamische Modellierung und Verf{\"u}gbarkeitsmodellierung großer braunkohlegefeuerter Kraftwerke}, language = {de} } @inproceedings{Krautz, author = {Krautz, Hans Joachim}, title = {"Ausblick auf zuk{\"u}nftige Entwicklungen der Braunkohle-Kraftwerkstechnologien"}, language = {de} } @inproceedings{ChalupnikKrautzWirtzetal., author = {Chalupnik, Rolf W. and Krautz, Hans Joachim and Wirtz, M. and Stuhlm{\"u}ller, F.}, title = {Applied Research for a New Generation of Lignite-Fired Combined Cycle Power Plant Using Circulating Pressurized Fluidized Bed Combustion}, language = {en} } @inproceedings{RogollWalterKrautz, author = {Rogoll, A. and Walter, E. and Krautz, Hans Joachim}, title = {Co-generation plant Cottbus with ABB P200- Pressurized Fluidized Bed Combustion}, language = {en} } @inproceedings{MenkeKlattKrautzetal., author = {Menke, Dominik and Klatt, Matthias and Krautz, Hans Joachim and Gade, Udo and Mandel, Hans}, title = {Gemeinsame Analyse der Prozesstechnik und Verf{\"u}gbarkeit moderner Großkraftwerke}, language = {de} } @inproceedings{KrautzKirmse, author = {Krautz, Hans Joachim and Kirmse, Dietrich}, title = {Co-Combustion of biomass in lignite-fired power plants}, language = {en} } @article{MenkeKrautz, author = {Menke, Dominik and Krautz, Hans Joachim}, title = {Simulation of availability and process dynamics of large scale fossil fuel fired power plants}, language = {de} } @article{GriebeKrautzKirmse, author = {Griebe, Steffen and Krautz, Hans Joachim and Kirmse, Dietrich}, title = {Mitverbrennung von Biomassen in braunkohlegefeuerten Kraftwerken}, language = {de} } @inproceedings{OwczarekKrautzGriebe, author = {Owczarek, Christian and Krautz, Hans Joachim and Griebe, Steffen}, title = {Cycloidal combustion - a new concept for industrial combustion with low-calorific fuels}, language = {en} } @inproceedings{SchierackKrautzPriesmeieretal., author = {Schierack, Frank and Krautz, Hans Joachim and Priesmeier, U. and Nies, T.}, title = {Advancement of circulating pressurized fluidized bed combustion up to plants of the 2nd Generation}, isbn = {3-18-091535-9}, language = {en} } @inproceedings{SchierackKrautzRistau, author = {Schierack, Frank and Krautz, Hans Joachim and Ristau, Herbert}, title = {Development of a new Brown coal fired Combined-Cycle Power Plant using CPFBC, 2nd Generation}, language = {en} } @inproceedings{LoefflerKrautz, author = {L{\"o}ffler, Steffen and Krautz, Hans Joachim}, title = {Fortschrittliche Verbrennungstechniken f{\"u}r dezentrale Energieanlagen}, abstract = {Vortrag auf VIK-Arbeitskreis "Energietechnische Zukunftskonzepte", G{\"o}rlitz}, language = {de} } @inproceedings{Krautz, author = {Krautz, Hans Joachim}, title = {Entwicklung der Kraftwerkstechnik}, abstract = {Vortrag auf VDE-Fachveranstaltung, Bezirksverein Lausitz e.V., Cottbus}, language = {de} } @inproceedings{GriebeKrautzPaulick, author = {Griebe, Steffen and Krautz, Hans Joachim and Paulick, G.}, title = {M{\"o}glichkeiten der thermischen Verwertung von mechanisch entw{\"a}ssertem Kl{\"a}rschlamm und weiteren Reststoffen in einer mit Trockenbraunkohle betriebenen Zykloidfeuerung}, language = {de} } @inproceedings{OwczarekKrautzGriebe, author = {Owczarek, Christian and Krautz, Hans Joachim and Griebe, Steffen}, title = {Entwicklung eines Feuerungssystems f{\"u}r die dezentrale W{\"a}rmeversorgung auf Basis von Braunkohle}, abstract = {Vortrag auf Tagung "Die neuen Kraftwerke der VEAG", BTU Cottbus}, language = {de} } @inproceedings{GriebeKrautzMassow, author = {Griebe, Steffen and Krautz, Hans Joachim and Massow, R.}, title = {Druck-Zykloidfeuerung - ein Feuerungssystem f{\"u}r die thermische Umsetzung von Lausitzer Trockenbraunkohle}, abstract = {Vortrag anl{\"a}sslich des Zweiten Statusseminar "Druckflamm", Aachen}, language = {de} } @inproceedings{OwczarekKreulKrautz, author = {Owczarek, Christian and Kreul, Klaus-J{\"u}rgen and Krautz, Hans Joachim}, title = {Erste Untersuchungen des Str{\"o}mungsfeldes einer Zykloidbrennkammer. Konferenz Forschung f{\"u}r die Kraftwerkstechnik}, abstract = {Vortrag auf Konferenz Forschung f{\"u}r die Kraftwerkstechnik, D{\"u}sseldorf}, language = {de} } @inproceedings{KrautzThielenGriebeetal., author = {Krautz, Hans Joachim and Thielen, W. and Griebe, Steffen and Paulick, G.}, title = {Fortschrittliche Braunkohleverbrennungstechniken f{\"u}r dezentrale Energieanlagen}, series = {Fortschrittliche Braunkohlenutzung im liberalisierten Strommarkt, Tagung Cottbus, 23. und 24. Februar 1999}, booktitle = {Fortschrittliche Braunkohlenutzung im liberalisierten Strommarkt, Tagung Cottbus, 23. und 24. Februar 1999}, publisher = {VDI-Verlag}, address = {D{\"u}sseldorf}, isbn = {3-18-091456-4}, pages = {187 -- 208}, language = {de} } @inproceedings{KrautzGriebeSchraderetal., author = {Krautz, Hans Joachim and Griebe, Steffen and Schrader, A. and Paulick, G.}, title = {Verbrennung von Trockenbraunkohle und Kl{\"a}rschlamm in der LCS-Zykloidfeuerung}, series = {Verbrennung und Feuerungen, 19. Deutscher Flammentag, Tagung Dresden, 14. und 15. September 1999}, booktitle = {Verbrennung und Feuerungen, 19. Deutscher Flammentag, Tagung Dresden, 14. und 15. September 1999}, publisher = {VDI-Verlag}, address = {D{\"u}sseldorf}, isbn = {3-18-091402-0}, pages = {381 -- 386}, language = {de} } @inproceedings{RombrechtKrautz, author = {Rombrecht, Hans-Bernd and Krautz, Hans Joachim}, title = {Ein braunkohlenbasierter Kombikraftwerksprozeß (ZDWSF) - Anlagenkonzept und Betriebsergebnisse}, abstract = {Vortrag auf 4. Statusseminar "Druckflamm", Dortmund}, language = {de} } @inproceedings{RombrechtKrautz, author = {Rombrecht, Hans-Bernd and Krautz, Hans Joachim}, title = {Weiterentwicklung der ZDWSF-Versuchsanlage der Brandenburgischen Technischen Universit{\"a}t Cottbus}, abstract = {Vortrag auf XXXVI. Kraftwerkstechnisches Kolloquium "Entwicklungspotentiale f{\"u}r Kraftwerke mit fossilen Brennstoffen", Dresden}, language = {de} } @inproceedings{KlattMenkeKrautz, author = {Klatt, Matthias and Menke, Dominik and Krautz, Hans Joachim}, title = {Verf{\"u}gbarkeit von W{\"a}rmekraftwerken: Integrierte Dynamische und Verf{\"u}gbarkeitsmodellierung}, abstract = {Vortrag auf 3. VDI-Energie-Symposium, Sao Paulo}, language = {de} } @inproceedings{Krautz, author = {Krautz, Hans Joachim}, title = {Entwicklung eines Anlagensystems f{\"u}r die dezentrale W{\"a}rmeversorgung mit niederkalorischen Kohlen, Biomassen und Kl{\"a}rschl{\"a}mmen}, abstract = {Vortrag auf 3. VDI-Energie-Symposium, Sao Paulo}, language = {de} } @inproceedings{MartinLoefflerKrautz, author = {Martin, J{\"o}rg S. and L{\"o}ffler, Steffen and Krautz, Hans Joachim}, title = {Druckaufgeladene Dampfwirbelschichttrocknung grubenfeuchter Braunkohle - Innovatives Verfahren zur Erh{\"o}hung des Kraftwerkswirkungsgrades und Reduzierung der Stromgestehungskosten}, language = {de} } @inproceedings{KlattMenkeKrautz, author = {Klatt, Matthias and Menke, Dominik and Krautz, Hans Joachim}, title = {Dynamische Modellierung und Verf{\"u}gbarkeitsmodellierung großer braunkohlegefeuerter Kraftwerke}, abstract = {Vortrag auf 6th International Scientific-Technical Conference Kozienice}, language = {de} } @article{Krautz, author = {Krautz, Hans Joachim}, title = {CO2-freies Kraftwerk ab 2020}, language = {de} } @inproceedings{FindeisenKrautz, author = {Findeisen, Alexander and Krautz, Hans Joachim}, title = {Untersuchungen zum Korrosionsverhalten ausgew{\"a}hlter Werkstoffe bei verschiedenen Betriebsbedingungen}, language = {de} } @inproceedings{NimtzKlattKrautz, author = {Nimtz, Michael and Klatt, Matthias and Krautz, Hans Joachim}, title = {Untersuchung der Effekte in der CCS-Verfahrenskette - Modellierung der CO2-Prozess- und Transportkette vom Brennstoff bis zum Reservoir}, language = {de} } @misc{AhaFindeisenKrautz, author = {Aha, Ulrich and Findeisen, Alexander and Krautz, Hans Joachim}, title = {INSTRA - eine Software f{\"u}r die Instandhaltungsoptimierung}, language = {de} } @misc{MissagiaFerreiraSilvaCorreaKrautzetal., author = {Missagia, Bruna and Ferreira Silva Correa, Mauricio and Krautz, Hans Joachim and Ay, Peter and Schluchter, Wolfgang}, title = {Agricultural and forestry residues as an alternative energy source for Brazil - the production of biomass pellets}, language = {de} } @inproceedings{KlattKrautz, author = {Klatt, Matthias and Krautz, Hans Joachim}, title = {Efficiency increase - a challenge in the context of CCS}, language = {en} } @inproceedings{TappeKrautz, author = {Tappe, Stephanie and Krautz, Hans Joachim}, title = {Influence of various O2/CO2-concentrations on the burning behavior of different coals}, language = {en} } @inproceedings{TappeKrautz, author = {Tappe, Stephanie and Krautz, Hans Joachim}, title = {Experimental investigations of combustion behaviour in various O2/CO2-atmospheres}, language = {en} } @inproceedings{KlattAhaKrautz, author = {Klatt, Matthias and Aha, Ulrich and Krautz, Hans Joachim}, title = {Die Kraftwerksrevision im Spannungsfeld externer Restriktionen und betriebswirtschaftlicher Erfordernisse}, language = {de} } @inproceedings{CorreadaSilvaMissagiaTappeetal., author = {Correa da Silva, Rodrigo and Missagia, Bruna and Tappe, Stephanie and Findeisen, Alexander and Krautz, Hans Joachim}, title = {Development of low CO2 technologies for oxyfuel combustion in power plants}, language = {en} } @inproceedings{Krautz, author = {Krautz, Hans Joachim}, title = {Climate change and the importance of carbon management}, language = {en} } @inproceedings{CorreadaSilvaKrautz, author = {Correa da Silva, Rodrigo and Krautz, Hans Joachim}, title = {Theoretical analysis of heat transfer in a pulverized coal combustion chamber under O2/CO2 atmosphere}, language = {en} } @inproceedings{LechnerHoehneKrautz, author = {Lechner, Stefan and H{\"o}hne, Olaf and Krautz, Hans Joachim}, title = {Druckaufgeladene Dampfwirbelschicht-Trocknung (DDWT) von Braunkohlen: Bauliche Verfahrensoptimierungen an der BTU-Versuchsanlage und Ergebnisse}, language = {de} } @inproceedings{KangwanpongpanKrautz, author = {Kangwanpongpan, Tanin and Krautz, Hans Joachim}, title = {Investigation of oxyfuel combustion by numerical simulation with different turbulent flow models}, language = {en} } @inproceedings{TappeKrautz, author = {Tappe, Stephanie and Krautz, Hans Joachim}, title = {An experimental approach to the kinetics of the combustion in O2/CO2-atmospheres}, language = {de} } @inproceedings{TappeKrautz, author = {Tappe, Stephanie and Krautz, Hans Joachim}, title = {Gaspotentiometrische Abbranduntersuchungen verschiedener Kohlen in Luft- und O2/CO2-Atmosph{\"a}ren}, language = {de} } @inproceedings{CorreadaSilvaKrautz, author = {Correa da Silva, Rodrigo and Krautz, Hans Joachim}, title = {Theoretical investigation of pulverized coal combustion in air and in O2/CO2 atmospheres}, language = {en} } @inproceedings{KangwanpongpanKrautz, author = {Kangwanpongpan, Tanin and Krautz, Hans Joachim}, title = {Numerical simulation of lignite combustion in O2/CO2 environment by Eddy-Dissipation Model}, series = {Verbrennung und Feuerung, Tagung Bochum, 16. und 17. September 2009, 24. Deutscher Flammentag}, booktitle = {Verbrennung und Feuerung, Tagung Bochum, 16. und 17. September 2009, 24. Deutscher Flammentag}, publisher = {VDI-Verlag}, address = {D{\"u}sseldorf}, isbn = {978-3-18-092056-6}, pages = {579 -- 582}, language = {en} } @inproceedings{LechnerHoehneKrautz, author = {Lechner, Stefan and H{\"o}hne, Olaf and Krautz, Hans Joachim}, title = {Pressurized steam fluidized bed drying (PSFBD) of lignite: constructional and process optimization at the BTU test facility and experimental results}, language = {en} } @inproceedings{MissagiaKrautz, author = {Missagia, Bruna and Krautz, Hans Joachim}, title = {Comparative analysis of Brazilian residual biomass for pellet production}, language = {en} } @inproceedings{AsegehegnKrautz, author = {Asegehegn, Teklay Weldeabzgi and Krautz, Hans Joachim}, title = {Numerical study of solids motion and distribution in gas-solid fluidized beds: influence of immersed horizontal tubes}, language = {de} } @inproceedings{SchreiberAsegehegnKrautz, author = {Schreiber, Matthias and Asegehegn, Teklay Weldeabzgi and Krautz, Hans Joachim}, title = {Numerical study of bubbling fluidized bed hydrodynamics}, language = {de} } @inproceedings{AsegehegnKrautz, author = {Asegehegn, Teklay Weldeabzgi and Krautz, Hans Joachim}, title = {Hydrodynamic simulation of gas-solid bubbling fluidized bed containing horizontal tubes}, language = {en} } @inproceedings{KrautzKlattFindeisen, author = {Krautz, Hans Joachim and Klatt, Matthias and Findeisen, Alexander}, title = {CCT \& CCS Technologies}, language = {en} } @inproceedings{TappeKrautz, author = {Tappe, Stephanie and Krautz, Hans Joachim}, title = {ALVA 20: a 20 kWth atmospheric laboratory test facility to investigate the combustion behaviour under "close-to-reality" conditions}, language = {en} } @inproceedings{RombrechtKrautz, author = {Rombrecht, Hans-Bernd and Krautz, Hans Joachim}, title = {Proces Oxyfuel - przysloscia spalania wegla?}, language = {ru} } @inproceedings{SchreiberKrautzMueller, author = {Schreiber, Matthias and Krautz, Hans Joachim and M{\"u}ller, R.}, title = {Entwicklung einer Software zur verfahrenstechnischen Auslegung von Bioverbundstandorten}, language = {de} } @inproceedings{KassKrautz, author = {Kaß, Helge and Krautz, Hans Joachim}, title = {Verbrennung von Lausitzer Trockenbraunkohle unter Oxyfuel-Prozeßbedingungen in der 0,5 MWth-Tangentialfeuerung}, language = {de} } @inproceedings{WarneckeKrautzKlattetal., author = {Warnecke, Martin and Krautz, Hans Joachim and Klatt, Matthias and Aha, Ulrich}, title = {Instandhaltungsoptimierung mit genetischen Algorithmen}, language = {de} } @inproceedings{LechnerHoehneKrautz, author = {Lechner, Stefan and H{\"o}hne, Olaf and Krautz, Hans Joachim}, title = {Druckaufgeladene Dampfwirbelschichttrocknung (DDWT) von Braunkohlen: Verfahrensoptimierung mittels Feinkorntrocknung}, language = {de} } @article{LeidichBreitenfelderMandeletal., author = {Leidich, F. U. and Breitenfelder, R. and Mandel, Hans and Krautz, Hans Joachim and Gniazdowski, M.}, title = {Development of a lignite-fired power plant concept with intgrated pressurised fluidised-bed drying and fuel cells}, language = {de} } @inproceedings{RombrechtKrautz, author = {Rombrecht, Hans-Bernd and Krautz, Hans Joachim}, title = {Ein braunkohlebasierter Kombikraftwerksprozeß (ZDWSF) - Anlagenkonzept und Betriebsergebnisse}, language = {de} } @inproceedings{MartinHoehneKrautzetal., author = {Martin, J{\"o}rg S. and H{\"o}hne, Olaf and Krautz, Hans Joachim and Mandel, Hans}, title = {Druckaufgeladene Dampfwirbelschichttrocknung von Braunkohlen - Inbetriebnahme und erste Untersuchungsergebnisse am Versuchstrockner der BTU Cottbus}, language = {de} } @inproceedings{RombrechtKrautz, author = {Rombrecht, Hans-Bernd and Krautz, Hans Joachim}, title = {Weiterentwicklung der ZDWSF-Versuchsanlage der BTU Cottbus}, language = {de} } @inproceedings{TappeKrautz, author = {Tappe, Stephanie and Krautz, Hans Joachim}, title = {Das Abbrandverhalten von Kohlen in einer O2/CO2-Atmosph{\"a}re}, language = {de} } @inproceedings{WarneckeKrautz, author = {Warnecke, Martin and Krautz, Hans Joachim}, title = {Instandhaltungsoptimierung mit genetischen Algorithmen - Erste Ergebnisse}, language = {de} } @inproceedings{MartinHoehneLechneretal., author = {Martin, J{\"o}rg S. and H{\"o}hne, Olaf and Lechner, Stefan and Krautz, Hans Joachim and Jentsch, N.}, title = {Druckaufgeladene Dampfwirbelschicht-Trocknung (DDWT) von Braunkohlen: Von den Betriebsergebnissen des Versuchstrockners (0,5 t/h) zur Konzeptentwicklung der Großtechnischen Versuchsanlage (GTVA, 70 t/h)}, language = {de} } @inproceedings{TappeKrautz, author = {Tappe, Stephanie and Krautz, Hans Joachim}, title = {ALVA 20 - Eine Atmosph{\"a}rische Laborverbrennungsanlage zur Bestimmung der Verbrennungskinetik unter Oxyfuel-Bedingungen}, language = {de} } @inproceedings{TappeKrautz, author = {Tappe, Stephanie and Krautz, Hans Joachim}, title = {Innovative Methode zur Erfassung des Abbrandverhaltens von Festbrennstoffen}, language = {de} } @inproceedings{LechnerMartinHoehneetal., author = {Lechner, Stefan and Martin, J{\"o}rg S. and H{\"o}hne, Olaf and Krautz, Hans Joachim}, title = {Druckaufgeladene Dampfwirbelschicht-Trocknung grubenfeuchter Braunkohlen - Forschungsergebnisse aus dem Betrieb einer Technikumsanlage an der BTU Cottbus}, language = {de} } @inproceedings{RombrechtFindeisenKrautz, author = {Rombrecht, Hans-Bernd and Findeisen, Alexander and Krautz, Hans Joachim}, title = {Die Energiestrategie 2010 in Brandenburg}, language = {de} } @misc{KassGriebeHoehneetal., author = {Kaß, Helge and Griebe, Steffen and H{\"o}hne, Olaf and Martin, J{\"o}rg S. and Ristau, Herbert and Krautz, Hans Joachim}, title = {K{\"u}nftige Technologien f{\"u}r CO2-freie Braunkohlenkraftwerke - Grundlagenforschung an den Technikumanlagen zur Verbrennung nach dem Oxyfuel-Verfahren und zur Trocknung in einer druckaufgeladenen Dampfwirbelschicht der BTU}, language = {de} } @article{KahlertKrautz, author = {Kahlert, Joachim and Krautz, Hans Joachim}, title = {Methodik zur Ermittlung optimaler Instandhaltungsperioden unter der Bedingung unscharfer Ausgangsdaten}, language = {de} } @inproceedings{RombrechtRistauKrautz, author = {Rombrecht, Hans-Bernd and Ristau, Herbert and Krautz, Hans Joachim}, title = {Ein braunkohlebasierter Kombikraftwerksprozess (ZDWSF) - Versuchsergebnisse und -erfahrungen}, language = {de} } @inproceedings{GriebeKrautzAltmannetal., author = {Griebe, Steffen and Krautz, Hans Joachim and Altmann, H. and Kluger, F.}, title = {Erste Verbennungsuntersuchungen zum Oxyfuel-Prozess in einer 0,5 MWth-Tangentialfeuerung}, language = {de} } @inproceedings{KahlertKrautz, author = {Kahlert, Joachim and Krautz, Hans Joachim}, title = {Beispiele f{\"u}r Instandhaltung mit Risiko im KW Lippendorf}, language = {de} } @article{KalinaLoefflerKrautzetal., author = {Kalina, Hartmut and L{\"o}ffler, Steffen and Krautz, Hans Joachim and M{\"o}ller, J.}, title = {Gesamtbewertung f{\"u}r erneuerbare Energien m{\"o}glich und sinnvoll}, language = {de} } @inproceedings{RombrechtKrautz, author = {Rombrecht, Hans-Bernd and Krautz, Hans Joachim}, title = {The BTU Cottbus PFCBC, 2nd Generation Lab-scale-Plant Experiences and Results}, language = {de} } @inproceedings{Krautz, author = {Krautz, Hans Joachim}, title = {Entwicklungen zum Zero Emission-Braunkohlen-Kraftwerk}, language = {ru} } @inproceedings{RombrechtKrautz, author = {Rombrecht, Hans-Bernd and Krautz, Hans Joachim}, title = {Results and operation experiences of the lignite fired laboratory-scale plant with pressurized circulating fluidized bed combustion of the 2nd generation (PFBC)}, language = {en} } @inproceedings{KlattHoehneKrautz, author = {Klatt, Matthias and H{\"o}hne, Olaf and Krautz, Hans Joachim}, title = {K{\"u}nftiges Kraftwerkskonzept mit integrierter Kohletrocknung}, language = {de} } @article{TappeKrautz, author = {Tappe, Stephanie and Krautz, Hans Joachim}, title = {ALVA 20 - Eine Laboranlage zur Untersuchung des Verbrennungsverhaltens in einer O2/CO2-Atmosph{\"a}re}, language = {de} } @article{RochlitzKrautz, author = {Rochlitz, Lisbeth and Krautz, Hans Joachim}, title = {Entwicklung, Untersuchung und Modellierung eines Mikroreformers als Teil eines Systems zur netzfernen Stromversorgung mit PEM-Brennstoffzellen im Bereich einiger 100 Watt}, language = {de} } @inproceedings{KassTappeKrautz, author = {Kaß, Helge and Tappe, Stephanie and Krautz, Hans Joachim}, title = {The combustion of dry lignite under Oxyfuel process conditions in a 0.5 MWth test plant}, language = {en} } @inproceedings{Krautz, author = {Krautz, Hans Joachim}, title = {Development steps of the low CO2-power plant technology in Germany}, language = {en} } @inproceedings{WarneckeHoehneMartinetal., author = {Warnecke, Martin and H{\"o}hne, Olaf and Martin, J{\"o}rg S. and Krautz, Hans Joachim}, title = {Monte-Carlo-Simulationen zur Ermittlung der Zeitverf{\"u}gbarkeit der Braunkohletrocknung f{\"u}r ein Tbk-Kraftwerkskonzept}, language = {de} } @inproceedings{AltmannKrautz, author = {Altmann, H. and Krautz, Hans Joachim}, title = {Das CO2-freie Pilotkraftwerk von vattenfall Europe Generation}, language = {de} } @inproceedings{KrautzKahlertWeiss, author = {Krautz, Hans Joachim and Kahlert, Joachim and Weiß, G.}, title = {Entwicklung in der Kraftwerksinstandhalung bei Vattenfall Europe Generation}, language = {de} } @inproceedings{FindeisenRombrechtKrautz, author = {Findeisen, Alexander and Rombrecht, Hans-Bernd and Krautz, Hans Joachim}, title = {Qualit{\"a}tsanforderungen an alternative Biomasse-Brennstoffe}, language = {de} } @inproceedings{RombrechtFindeisenKrautz, author = {Rombrecht, Hans-Bernd and Findeisen, Alexander and Krautz, Hans Joachim}, title = {Die Entwicklung von Kombikraftwerksprozessen}, language = {de} } @inproceedings{MartinHoehneKrautz, author = {Martin, J{\"o}rg S. and H{\"o}hne, Olaf and Krautz, Hans Joachim}, title = {Druckaufgeladene Dmpfwirbelschichttroknung als Weg zur Effizienzsteigerung in Braunkohlekraftwerken: Betriebsergebnisse vom Versuchstrockner der BTU Cottbus}, language = {de} } @inproceedings{SchierackRombrechtKrautz, author = {Schierack, Frank and Rombrecht, Hans-Bernd and Krautz, Hans Joachim}, title = {Stand der Forschung an der Versuchsanlage mit zirkuliernder Druckwirbelschichtfeuerung der 2.Generation in Cottbus sowie M{\"o}glichkeiten der Einbindung eines Heißgasfilters an dieser Versuchsanlage}, language = {de} } @inproceedings{KrautzSchierackWirtzetal., author = {Krautz, Hans Joachim and Schierack, Frank and Wirtz, M. and Priesmeier, U.}, title = {Inbetriebnahme der Technikumsanlage mit zirkulierender Druckwirbelschichtfeuerung der 2.Generation und Ergebnisse aus dem Versuchsbetrieb in Cottbus}, language = {de} } @misc{HoehneLechnerSchreiberetal., author = {H{\"o}hne, Olaf and Lechner, Stefan and Schreiber, Matthias and Krautz, Hans Joachim}, title = {Drying of Lignite in a Pressurized Steam Fluidized Bed - Theory and Experiments}, language = {en} } @inproceedings{AhaFindeisenKrautz, author = {Aha, Ulrich and Findeisen, Alexander and Krautz, Hans Joachim}, title = {Korrosion und Instandhaltungsoptimierung unter ge{\"a}nderten Prozessbedingungen und -parametern}, language = {de} } @inproceedings{Krautz, author = {Krautz, Hans Joachim}, title = {Diagnostics of Alkali and Heavy Metal Release}, language = {de} } @article{KrautzOwczarek, author = {Krautz, Hans Joachim and Owczarek, Christian}, title = {Weiterentwicklung von Kraftwerkstechnologien auf Braunkohlebasis}, language = {de} } @inproceedings{KlattNimtzKrautz, author = {Klatt, Matthias and Nimtz, Michael and Krautz, Hans Joachim}, title = {Options for Carbon Capture Processes: Pre, Intra and Post Combustion Capture}, language = {en} } @inproceedings{AsegehegnKrautz, author = {Asegehegn, Teklay Weldeabzgi and Krautz, Hans Joachim}, title = {Numerical study of bubble hydrodynamics for gas-solid fluidized bedswith and without horizontal tubes}, language = {en} } @inproceedings{SchreiberAsegehegnKrautz, author = {Schreiber, Matthias and Asegehegn, Teklay Weldeabzgi and Krautz, Hans Joachim}, title = {Numerical study of bubbling fluidized beds: Influence of immersed tubes,extraction methods and averaging periods}, language = {en} } @inproceedings{AsegehegnSchreiberKrautz, author = {Asegehegn, Teklay Weldeabzgi and Schreiber, Matthias and Krautz, Hans Joachim}, title = {Influence of Horizontal Tubes, Averaging Periods and Extraction Methods on the Hydrodynamics of Bubbling Gas-Solid Fluidized Beds}, language = {en} } @misc{FindeisenKlattKrautz, author = {Findeisen, Alexander and Klatt, Matthias and Krautz, Hans Joachim}, title = {Examination of the corrosion behaviour of selected power plant materials under various operating conditions}, doi = {http://dx.doi.org/10.1016/j.chemer.2010.05.006}, language = {en} } @misc{NimtzKlattWieseetal., author = {Nimtz, Michael and Klatt, Matthias and Wiese, Bernd and K{\"u}hn, Michael and Krautz, Hans Joachim}, title = {Modelling of the CO2 process- and transport chain in CCS systems - Examination of transport and storage processes}, series = {Chemie der Erde - Geochemistry}, volume = {70}, journal = {Chemie der Erde - Geochemistry}, number = {3}, issn = {0009-2819}, doi = {10.1016/j.chemer.2010.05.011}, pages = {185 -- 192}, language = {en} } @misc{HorsfieldScheckWenderothKrautzetal., author = {Horsfield, Brian and Scheck-Wenderoth, Magdalena and Krautz, Hans Joachim and Mutti, Maria}, title = {Geoenergy: From visions to solutions}, doi = {10.1016/j.chemer.2010.06.002}, language = {en} } @inproceedings{KangwanpongpanCorreadaSilvaKrautz, author = {Kangwanpongpan, Tanin and Correa da Silva, Rodrigo and Krautz, Hans Joachim}, title = {Prediction of oxy-coal combustion through an optimized weighted sum of gray gases model}, language = {en} } @inproceedings{KangwanpongpanCorreadaSilvaTappeetal., author = {Kangwanpongpan, Tanin and Correa da Silva, Rodrigo and Tappe, Stephanie and Klatt, Matthias and Krautz, Hans Joachim}, title = {Numerical comparison of spectral non-gray gases modeling in a swirling Oxyfuel burner}, language = {de} } @inproceedings{AhaFindeisenKrautz, author = {Aha, Ulrich and Findeisen, Alexander and Krautz, Hans Joachim}, title = {Maintenance optimisation of large coal-fired power plants}, language = {de} } @misc{AhaFindeisenKrautzetal., author = {Aha, Ulrich and Findeisen, Alexander and Krautz, Hans Joachim and Kahlert, Joachim}, title = {Korrosion und Instandhaltungsoptimierung CO2-armer Braunkohlekraftwerke unter ge{\"a}nderten Prozessbedingungen und -parametern}, language = {de} } @inproceedings{MissagiaGuerreroKrautzetal., author = {Missagia, Bruna and Guerrero, Cinthya and Krautz, Hans Joachim and Schluchter, Wolfgang}, title = {Implications of the diffusion of biomass based energy technologies: The case of pellets from agricultural subproducts in Brazil}, language = {en} } @inproceedings{NimtzKlattKrautz, author = {Nimtz, Michael and Klatt, Matthias and Krautz, Hans Joachim}, title = {CO2 Transport - Pipeline Transport and Injection Technology}, language = {de} } @inproceedings{NimtzKlattKrautz, author = {Nimtz, Michael and Klatt, Matthias and Krautz, Hans Joachim}, title = {CO2 Transport - Technik und Betrieb}, language = {de} } @inproceedings{MissagiaGuerreroNarraetal., author = {Missagia, Bruna and Guerrero, Cinthya and Narra, Satyanarayana and Krautz, Hans Joachim and Ay, Peter}, title = {Physical characterization of Brazilian agricultural and forestry residues aiming the production of energy pellets}, language = {en} } @inproceedings{ScurtuSchreiberEgbersetal., author = {Scurtu, Nicoleta and Schreiber, M. and Egbers, Christoph and Krautz, Hans Joachim}, title = {A comparative numerical study of gas-solid fluidized bed hydrodynamics}, language = {en} } @inproceedings{SchreiberAsegehegnKrautz, author = {Schreiber, Matthias and Asegehegn, Teklay Weldeabzgi and Krautz, Hans Joachim}, title = {Untersuchung des Einflusses von dicht gepackten Tauchheizfl{\"a}chen auf die Eigenschaften von Wirbelschichten mittels numerischer Str{\"o}mungssimulation}, language = {de} } @inproceedings{MerzschSilbermannLechneretal., author = {Merzsch, Matthias and Silbermann, Rico and Lechner, Stefan and Krautz, Hans Joachim}, title = {Druckaufgeladene Dampfwirbelschicht-Trocknung (DDWT) von Braunkohlen: Neuste Betriebsergebnisse von der BTU-Versuchsanlage}, language = {de} } @inproceedings{NimtzKlattWieseetal., author = {Nimtz, Michael and Klatt, Matthias and Wiese, B. and K{\"u}hn, M. and Krautz, Hans Joachim}, title = {CO2 Transport and Injection in CCS systems}, language = {de} } @misc{AsegehegnSchreiberKrautz, author = {Asegehegn, Teklay Weldeabzgi and Schreiber, Matthias and Krautz, Hans Joachim}, title = {Numerical Study of Bubbling Gas-Solid Fluidized Beds Hydrodynamics: Influence of Immersed Horizontal Tubes and Data Analysis}, language = {en} } @inproceedings{CorreadaSilvaKangwanpongpanFindeisenetal., author = {Correa da Silva, Rodrigo and Kangwanpongpan, Tanin and Findeisen, Alexander and Krautz, Hans Joachim}, title = {Aspects of Numerical Simulation of Coal Combustion under Oxyfuel Atmospheres}, language = {de} } @inproceedings{AbangFindeisenKrautz, author = {Abang, Roger Atini and Findeisen, Alexander and Krautz, Hans Joachim}, title = {Corrosion Investigation of Materials under Oxyfuel Firing Conditions}, language = {en} } @misc{AsegehegnSchreiberKrautz, author = {Asegehegn, Teklay Weldeabzgi and Schreiber, Matthias and Krautz, Hans Joachim}, title = {Numerical simulation and experimental validation of bubble behavior in 2D gas-solid fluidized beds with immersed horizontal tubes}, doi = {http://dx.doi.org/10.1016/j.ces.2011.07.056}, language = {en} } @inproceedings{TannertZiemsKrautz, author = {Tannert, Daniel and Ziems, Christian and Krautz, Hans Joachim}, title = {Das Hybridkraftwerk Prenzlau - Grundkonzept und Funktionsweise zur Einspeisung regenerativer Energien}, language = {de} } @inproceedings{ZiemsTannertKrautz, author = {Ziems, Christian and Tannert, Daniel and Krautz, Hans Joachim}, title = {Wasserelektrolyse - Technologien, Potentiale und Herausforderungen}, language = {de} } @inproceedings{ZiemsTannertKrautz, author = {Ziems, Christian and Tannert, Daniel and Krautz, Hans Joachim}, title = {Problem Energiespeicher - Suche nach effizienten L{\"o}sungen}, language = {de} } @misc{AsegehegnLechnerMerzschetal., author = {Asegehegn, Teklay Weldeabzgi and Lechner, Stefan and Merzsch, Matthias and Schreiber, Matthias and Silbermann, Rico and Krautz, Hans Joachim and H{\"o}hne, Olaf}, title = {Das DDWT-Verfahren als Schl{\"u}sseltechnologie zuk{\"u}nftiger Braunkohlekraftwerke}, language = {de} } @misc{AsegehegnSchreiberKrautz, author = {Asegehegn, Teklay Weldeabzgi and Schreiber, Matthias and Krautz, Hans Joachim}, title = {Investigation of bubble behavior in fluidized beds with and without immersed horizontal tubes using a digital image analysis technique}, doi = {http://dx.doi.org/10.1016/j.powtec.2011.03.025}, language = {en} } @inproceedings{AhaManigKrautz, author = {Aha, Ulrich and Manig, Andr{\´e} and Krautz, Hans Joachim}, title = {Maintenance optimisation for the next generation of power plants}, language = {en} } @misc{SchreiberAsegehegnKrautz, author = {Schreiber, Matthias and Asegehegn, Teklay Weldeabzgi and Krautz, Hans Joachim}, title = {Numerical and Experimental Investigation of Bubbling Gas-Solid Fluidized Beds with Dense Immersed Tube Bundles}, language = {en} } @inproceedings{RombrechtMerzschKrautz, author = {Rombrecht, Hans-Bernd and Merzsch, Matthias and Krautz, Hans Joachim}, title = {Die Druckaufgeladene Dampfwirbelschicht-Trocknung (DDWT) und die Kohlendioxidabtrennung mittels Gasw{\"a}sche}, language = {de} } @incollection{AhaManigKrautz, author = {Aha, Ulrich and Manig, Andr{\´e} and Krautz, Hans Joachim}, title = {Modelling and maintenance optimisation for the next generation of power plants}, series = {Advances in safety, reliability and risk management, proceedings of the European Safety and reliability Conference, ESREL 2011, Troyes, France, 18 - 22 September 2011}, booktitle = {Advances in safety, reliability and risk management, proceedings of the European Safety and reliability Conference, ESREL 2011, Troyes, France, 18 - 22 September 2011}, editor = {B{\´e}renguer, Christophe}, publisher = {CRC Press}, address = {Hoboken}, isbn = {978-0-415-68379-1}, language = {en} } @inproceedings{CarotenutoCorreadaSilvaRechetal., author = {Carotenuto, A. S. and Correa da Silva, Rodrigo and Rech, R. and Marcilio, N. R. and Smith Schneider, Paulo and Krautz, Hans Joachim}, title = {Preliminary Investigation of the Global Kinetic Parameters of low-rank coals under oxy-fuel conditions}, language = {en} } @misc{CorreadaSilvaKangwanpongpanFindeisenetal., author = {Correa da Silva, Rodrigo and Kangwanpongpan, Tanin and Findeisen, Alexander and Krautz, Hans Joachim and Meyer, Marco and Roberg, Benedikt}, title = {Oxy-fuel Combustion Studies Applying a Novel Test Facility - First Numerical Results}, language = {en} } @inproceedings{CorreadaSilvaKangwanpongpanFindeisenetal., author = {Correa da Silva, Rodrigo and Kangwanpongpan, Tanin and Findeisen, Alexander and Krautz, Hans Joachim}, title = {Description of a 0.4 MWth laboratory facility for oxy-fuel combustion studies}, language = {en} } @inproceedings{KlattAhaKrautz, author = {Klatt, Matthias and Aha, Ulrich and Krautz, Hans Joachim}, title = {Maintenance optimisation of oxyfuel power plants}, language = {en} } @inproceedings{LechnerRombrechtKrautz, author = {Lechner, Stefan and Rombrecht, Hans-Bernd and Krautz, Hans Joachim}, title = {Pressurized Steam Fluidized Bed Drying (PSFBD) and Carbon Dioxide Separation by Flue Gas Scrubbing - New Challenges for the Lignite Power Industry}, language = {de} } @inproceedings{FindeisenAbangKrautz, author = {Findeisen, Alexander and Abang, Roger Atini and Krautz, Hans Joachim}, title = {Corrosion Behaviour of Selected Power Plant Materials Under Oxyfuel Combustion Conditions}, language = {en} } @inproceedings{MontgomeryBjurmanHjornhedeetal., author = {Montgomery, M. and Bjurman, M. and Hjornhede, A. and Findeisen, Alexander and Krautz, Hans Joachim and Rombrecht, Hans-Bernd}, title = {High temperature corrosion investigation in an oxyfuel burner rig}, language = {de} } @inproceedings{KrauseTillmannKrautzetal., author = {Krause, S. and Tillmann, Christine and Krautz, Hans Joachim and Miege, A. and Lehmann, J. and Sch{\"u}nemann, G.}, title = {Wasserstoffspeicherkraftwerk - Betrachtungen zur Wirtschaftlichkeit}, language = {de} } @inproceedings{ZiemsTannertKrautz, author = {Ziems, Christian and Tannert, Daniel and Krautz, Hans Joachim}, title = {Alkalische Druckelektrolyse - Projektvorstellung und Modellans{\"a}tze zur Simulation}, language = {de} } @inproceedings{ZiemsTannertTillmannetal., author = {Ziems, Christian and Tannert, Daniel and Tillmann, Christine and Kr{\"u}ger, Perco and Krause, S. and Krautz, Hans Joachim}, title = {Untersuchungen zur fortschrittlichen alkalischen Druckelektrolyse am Wasserstoff-Forschungszentrum Cottbus}, language = {de} } @inproceedings{SchreiberKrautz, author = {Schreiber, Matthias and Krautz, Hans Joachim}, title = {Einfluss der Modellierung des Impulsaustausches auf die Eigenschaften von Braunkohlewirbelschichten}, language = {de} } @inproceedings{KranzmannSchulzNeddemeyeretal., author = {Kranzmann, A. and Schulz, W. and Neddemeyer, T. and Nofz, M. and Nitschke, H. and Oder, G. and Findeisen, Alexander and Krautz, Hans Joachim}, title = {Corrosion and Corrosion Protection in Oxyfuel Power Plants}, language = {en} } @inproceedings{FindeisenKrautzHaukeetal., author = {Findeisen, Alexander and Krautz, Hans Joachim and Hauke, Th. and Kranzmann, A.}, title = {Corrosion Processes and Carbonisation of Boiler Materials under Air and Oxyfuel Process Conditions}, language = {en} } @inproceedings{ZiemsTannertKrautz, author = {Ziems, Christian and Tannert, Daniel and Krautz, Hans Joachim}, title = {Wasserelektrolyse - Standortfaktoren und Wirtschaftlichkeit}, language = {de} } @misc{AhaFindeisenKrautz, author = {Aha, Ulrich and Findeisen, Alexander and Krautz, Hans Joachim}, title = {Maintenance optimization for large coal-fired power plants}, language = {en} } @inproceedings{NimtzKrautz, author = {Nimtz, Michael and Krautz, Hans Joachim}, title = {Evaluation of the GERG-2008 Equation of State for the Simulation of Oxyfuel Systems}, language = {en} } @inproceedings{NimtzTillmannWieseetal., author = {Nimtz, Michael and Tillmann, Christine and Wiese, B. and Krautz, Hans Joachim}, title = {CO2-Transport im Kontext regenerativer Energieeinspeisung - Auswirkung von Lastwechselvorg{\"a}ngen auf CO2-Pipelines}, language = {de} } @misc{HerzogSchreiberEgbersetal., author = {Herzog, Nicoleta and Schreiber, Matthias and Egbers, Christoph and Krautz, Hans Joachim}, title = {A comparative study of different CFD-codes for numerical simulation of gas-solid fluidized bed hydrodynamics}, series = {Computers and Chemical Engineering}, volume = {39}, journal = {Computers and Chemical Engineering}, issn = {0098-1354}, doi = {10.1016/j.compchemeng.2011.12.002}, pages = {41 -- 46}, language = {en} } @inproceedings{FindeisenCorreadaSilvaKrautz, author = {Findeisen, Alexander and Correa da Silva, Rodrigo and Krautz, Hans Joachim}, title = {Konzeptionelle und verfahrenstechnische Umsetzung eines 400 kWth-Verbrennungsversuchsstandes - erste Erfahrungen aus der Inbetriebsetzung}, language = {de} } @misc{KangwanpongpanCorreadaSilvaKrautz, author = {Kangwanpongpan, Tanin and Correa da Silva, Rodrigo and Krautz, Hans Joachim}, title = {Prediction of oxy-coal combustion through an optimized weighted sum of gray gases model}, series = {Energy : the international journal}, volume = {41}, journal = {Energy : the international journal}, number = {1}, issn = {0360-5442}, doi = {10.1016/j.energy.2011.06.010}, pages = {244 -- 251}, language = {en} } @inproceedings{NimtzKlattKrautz, author = {Nimtz, Michael and Klatt, Matthias and Krautz, Hans Joachim}, title = {The GERG-2008 equation of state and its application to the design of CCS-systems}, language = {de} } @misc{MissagiaGuerreroNarraetal., author = {Missagia, Bruna and Guerrero, Cinthya and Narra, Satyanarayana and Sun, Yaoming and Ay, Peter and Krautz, Hans Joachim}, title = {Physicomechanical properties of rice husk pellets for energy generation}, language = {en} } @techreport{Krautz, author = {Krautz, Hans Joachim}, title = {Konzeptentwicklung f{\"u}r eine großtechnische Versuchsanlage zur druckaufgeladenen Dampfwirbelschicht-Trocknung von Braunkohlen : Forschungsverbundvorhaben}, language = {de} } @misc{AsegehegnSchreiberKrautz, author = {Asegehegn, Teklay Weldeabzgi and Schreiber, Matthias and Krautz, Hans Joachim}, title = {Influence of two- and three-dimensional simulations on bubble behaviorin gas-solid fluidized beds with and without immersed horizontal tubes}, doi = {10.1016/j.powtec.2011.11.050}, language = {en} } @inproceedings{KlattTillmannKrautz, author = {Klatt, Matthias and Tillmann, Christine and Krautz, Hans Joachim}, title = {Wasserstofferzeugung, -speicherung und -nutzung als Teil des Hybridkraftwerks}, language = {de} } @inproceedings{HarmsKlattKrautz, author = {Harms, G. and Klatt, Matthias and Krautz, Hans Joachim}, title = {Hybrid Power Plant and Hydrogen Research Centre}, language = {de} } @inproceedings{ZiemsKrautz, author = {Ziems, Christian and Krautz, Hans Joachim}, title = {Alkalische Elektrolyse - Kernkomponente eines Hybridkraftwerks im Kontext Power to Gas}, language = {de} } @inproceedings{KangwanpongpanKlattKrautz, author = {Kangwanpongpan, Tanin and Klatt, Matthias and Krautz, Hans Joachim}, title = {Challenges of oxyfuel combustion modeling for carbon capture}, language = {en} } @inproceedings{KrautzZiems, author = {Krautz, Hans Joachim and Ziems, Christian}, title = {Erneuerbare Energien - Chancen und Herausforderungen f{\"u}r neue Technologien in einer zuk{\"u}nftig nachhaltigen Energiewirtschaft}, language = {de} } @inproceedings{SchreiberKrautz, author = {Schreiber, Matthias and Krautz, Hans Joachim}, title = {Numerical and Experimental Investigation of Tube-to-Bed Heat Transfer in a Bubbling Fluidized Bed of Lignite Particles}, series = {21st International Conference on Fluidized Bed Combustion, Neapel, 2012}, booktitle = {21st International Conference on Fluidized Bed Combustion, Neapel, 2012}, language = {en} } @inproceedings{ZiemsTillmannKrautz, author = {Ziems, Christian and Tillmann, Christine and Krautz, Hans Joachim}, title = {H2-Forschung an der BTU Cottbus}, series = {4. Energiefachtagung, Cottbus, 2012}, booktitle = {4. Energiefachtagung, Cottbus, 2012}, language = {de} } @inproceedings{ZiemsKrautz, author = {Ziems, Christian and Krautz, Hans Joachim}, title = {Alkalische Druckelektrolyse - Schl{\"u}sseltechnologie f{\"u}r zuk{\"u}nftige Energie- und Speicherkonzepte}, series = {4. Energiefachtagung, Cottbus, 2012}, booktitle = {4. Energiefachtagung, Cottbus, 2012}, language = {de} } @inproceedings{ZiemsTannertKrautz, author = {Ziems, Christian and Tannert, Daniel and Krautz, Hans Joachim}, title = {Project presentation - Design and installation of advanced high pressure alkaline electrolyzer-prototypes}, series = {19. World Hydrogen Energy Conference, Toronto, 2012}, booktitle = {19. World Hydrogen Energy Conference, Toronto, 2012}, pages = {24}, language = {en} } @inproceedings{ZiemsTannertKrautz, author = {Ziems, Christian and Tannert, Daniel and Krautz, Hans Joachim}, title = {First modeling results of an advanced pressurized alkaline electrolyzer for hydrogen production}, series = {19. World Hydrogen Energy Conference, Toronto, 2012}, booktitle = {19. World Hydrogen Energy Conference, Toronto, 2012}, language = {en} } @inproceedings{ZiemsKrautz, author = {Ziems, Christian and Krautz, Hans Joachim}, title = {Wasserelektrolyse - Praxiserfahrungen im Modellprojekt}, series = {Dena Konferenz "Power to Gas - innovative Systeml{\"o}sungen f{\"u}r ein zukunftsf{\"a}higes Energiesystem entwickeln", Berlin, 2012}, booktitle = {Dena Konferenz "Power to Gas - innovative Systeml{\"o}sungen f{\"u}r ein zukunftsf{\"a}higes Energiesystem entwickeln", Berlin, 2012}, language = {de} } @inproceedings{ZiemsKrautz, author = {Ziems, Christian and Krautz, Hans Joachim}, title = {High pressure alkaline electrolyzer as a core component for power to gas applications}, series = {Dena Konferenz "Power to Gas - innovative Systeml{\"o}sungen f{\"u}r ein zukunftsf{\"a}higes Energiesystem entwickeln", Berlin, 2012}, booktitle = {Dena Konferenz "Power to Gas - innovative Systeml{\"o}sungen f{\"u}r ein zukunftsf{\"a}higes Energiesystem entwickeln", Berlin, 2012}, language = {en} } @inproceedings{ZiemsKrautz, author = {Ziems, Christian and Krautz, Hans Joachim}, title = {Grid integration of renewable energies and hydrogen research at BTU Cottbus}, series = {Dena Konferenz "Power to Gas - innovative Systeml{\"o}sungen f{\"u}r ein zukunftsf{\"a}higes Energiesystem entwickeln", Berlin, 2012}, booktitle = {Dena Konferenz "Power to Gas - innovative Systeml{\"o}sungen f{\"u}r ein zukunftsf{\"a}higes Energiesystem entwickeln", Berlin, 2012}, language = {en} } @inproceedings{WenskeTillmannKrautz, author = {Wenske, Michael and Tillmann, Christine and Krautz, Hans Joachim}, title = {Aktuelle Entwicklungen der alkalischen Elektrolyse}, series = {4. Energiefachtagung, Cottbus, 2012}, booktitle = {4. Energiefachtagung, Cottbus, 2012}, language = {de} } @inproceedings{MerzschPosseltWiedemannetal., author = {Merzsch, Matthias and Posselt, Joachim and Wiedemann, Philipp and Lechner, Stefan and Krautz, Hans Joachim}, title = {Druckaufgeladene Dampfwirbelschicht-Trocknung (DDWT) von Braunkohlen: Grundlagenuntersuchungen zur verfahrenstechnischen Optimierung der Dampfwirbelschicht-Trocknung von Braunkohlen}, series = {Kraftwerkstechnik, Bd. 4, 44. Kraftwerkstechnisches Kolloquium, Dresden}, booktitle = {Kraftwerkstechnik, Bd. 4, 44. Kraftwerkstechnisches Kolloquium, Dresden}, publisher = {TK-Verlag}, address = {Nietwerder}, isbn = {978-3-935317-87-0}, pages = {923 -- 934}, language = {de} } @misc{KangwanpongpanFrancaCorreadaSilvaetal., author = {Kangwanpongpan, Tanin and Franca, Francis H. R. and Correa da Silva, Rodrigo and Smith Schneider, Paulo and Krautz, Hans Joachim}, title = {New correlations for the weighted-sum-of-gray-gases model in oxy-fuel conditions based on HITEMP 2010 database}, series = {International Journal of Heat and Mass Transfer}, volume = {55}, journal = {International Journal of Heat and Mass Transfer}, number = {25-26}, issn = {0017-9310}, doi = {10.1016/j.ijheatmasstransfer.2012.07.032}, pages = {7419 -- 7433}, language = {en} } @inproceedings{TannertZiemsKrautz, author = {Tannert, Daniel and Ziems, Christian and Krautz, Hans Joachim}, title = {Overview and initial experiences of a 60 bar alkaline electrolyser prototype}, series = {Proceedings of the 14th International Symposium on Heat Transfer and Renewable Sources of Energy, Szczecin-Miedzyzdroje, Poland, September 06-09, 2012}, booktitle = {Proceedings of the 14th International Symposium on Heat Transfer and Renewable Sources of Energy, Szczecin-Miedzyzdroje, Poland, September 06-09, 2012}, publisher = {Wydawnistwo Uczelnianie ZUT}, address = {Szczecinie}, isbn = {978-83-7663-121-9}, language = {en} } @inproceedings{KrauseKrautzLehmannetal., author = {Krause, S. and Krautz, Hans Joachim and Lehmann, J. and Luschtinetz, Thomas and Kruse, T.}, title = {Operating regime of a hydrogen-storage-loop power plant of grid relevant dimensions}, series = {Proceedings of the 14th International Symposium on Heat Transfer and Renewable Sources of Energy, Szczecin-Miedzyzdroje, Poland, September 06-09, 2012}, booktitle = {Proceedings of the 14th International Symposium on Heat Transfer and Renewable Sources of Energy, Szczecin-Miedzyzdroje, Poland, September 06-09, 2012}, publisher = {Wydawnistwo Uczelnianie ZUT}, address = {Szczecinie}, isbn = {978-83-7663-121-9}, language = {en} } @inproceedings{ZiemsTannertKrautz, author = {Ziems, Christian and Tannert, Daniel and Krautz, Hans Joachim}, title = {Approaches for simulation of an advanced alkaline water electrolyzer prototype}, series = {Proceedings of the 14th International Symposium on Heat Transfer and Renewable Sources of Energy, Szczecin-Miedzyzdroje, Poland, September 06-09, 2012}, booktitle = {Proceedings of the 14th International Symposium on Heat Transfer and Renewable Sources of Energy, Szczecin-Miedzyzdroje, Poland, September 06-09, 2012}, publisher = {Wydawnistwo Uczelnianie ZUT}, address = {Szczecinie}, isbn = {978-83-7663-121-9}, language = {en} } @inproceedings{ZiemsTannertKrautz, author = {Ziems, Christian and Tannert, Daniel and Krautz, Hans Joachim}, title = {Grundlagenforschung zur Optimierung des alkalischen Druckelektrolyseprozesses am 25 bar Einzel-Zell-Versuchsstand - Projektvorstellung}, series = {19. Symposium - Nutzung regenerativer Energiequellen und Wasserstofftechnik, 8. - 10. November 2012 Stralsund}, booktitle = {19. Symposium - Nutzung regenerativer Energiequellen und Wasserstofftechnik, 8. - 10. November 2012 Stralsund}, publisher = {Fachhochschule}, address = {Stralsund}, isbn = {978-3-9813334-5-9}, language = {de} } @inproceedings{TannertZiemsTillmannetal., author = {Tannert, Daniel and Ziems, Christian and Tillmann, Christine and Krautz, Hans Joachim}, title = {Einrichtung und Erfahrungen aus der Inbetriebnahme einer fortschrittlichen alkalischen Druckelektrolyseanlage}, series = {19. Symposium - Nutzung regenerativer Energiequellen und Wasserstofftechnik, 8. - 10. November 2012 Stralsund}, booktitle = {19. Symposium - Nutzung regenerativer Energiequellen und Wasserstofftechnik, 8. - 10. November 2012 Stralsund}, publisher = {Fachhochschule}, address = {Stralsund}, isbn = {978-3-9813334-5-9}, language = {de} } @inproceedings{AhaKochKrautz, author = {Aha, Ulrich and Koch, Alexander and Krautz, Hans Joachim}, title = {Finding the optimal power plant maintenance strategy with fuzzy input data}, series = {11th International Probabilistic Safety Assessment and Management Conference and the Annual European Safety and Reliability Conference 2012, (PSAM11 ESREL 2012), Helsinki, Finland 25 - 29 June 2012, Vol. 1}, booktitle = {11th International Probabilistic Safety Assessment and Management Conference and the Annual European Safety and Reliability Conference 2012, (PSAM11 ESREL 2012), Helsinki, Finland 25 - 29 June 2012, Vol. 1}, publisher = {IAPSAM \& ESRA}, address = {Red Hook, NY}, isbn = {978-1-62276-436-5}, pages = {341 -- 347}, language = {en} } @misc{MerzschLechnerKrautz, author = {Merzsch, Matthias and Lechner, Stefan and Krautz, Hans Joachim}, title = {Heat-transfer from single horizontal tubes in fluidized beds: Influence of tube diameter, moisture and diameter-definition by Geldart C fines content}, series = {Powder Technology}, journal = {Powder Technology}, issn = {1873-328X}, doi = {10.1016/j.powtec.2012.12.002}, language = {en} } @inproceedings{KangwanpongpanNimtzKlattetal., author = {Kangwanpongpan, Tanin and Nimtz, Michael and Klatt, Matthias and Krautz, Hans Joachim}, title = {Numerical Investigations for Oxy-fuel Combustion in 0.4 MWth Pilot Scale Furnace}, series = {Geo-Energy International Conference}, booktitle = {Geo-Energy International Conference}, language = {en} } @misc{ZiemsTannertKrautz, author = {Ziems, Christian and Tannert, Daniel and Krautz, Hans Joachim}, title = {Project presentation: Design and installation of advanced high pressure alkaline electrolyzer-prototypes}, series = {Energy Procedia}, volume = {29}, journal = {Energy Procedia}, issn = {1876-6102}, doi = {10.1016/j.egypro.2012.09.087}, pages = {744 -- 753}, language = {en} } @inproceedings{WiedemannKrautz, author = {Wiedemann, Philipp and Krautz, Hans Joachim}, title = {Numerical study of gas-solid fluidized beds: Analysis of pressure fluctuations for detection of disturbed fluidization}, series = {The 14th International Conference on Fluidization - From Fundamentals to Products}, booktitle = {The 14th International Conference on Fluidization - From Fundamentals to Products}, publisher = {Engineering Conferences International}, address = {New York}, abstract = {Numerical simulations using the Two Fluid Model are performed for gas-solid bubbling fluidized beds. The possibility to detect disturbances in the fluidization process is investigated by common analysis of pressure fluctuations and variation of the computational domain. Additionally the influences of different particle sizes and superficial gas velocities are studied. The results are compared with bubble properties obtained from a digital image analysis technique}, language = {en} } @misc{AbangLiskKrautz, author = {Abang, Roger Atini and Lisk, Alexander and Krautz, Hans Joachim}, title = {Fireside corrosion of superheater materials under oxy-coal firing conditions}, series = {Energy Procedia}, volume = {40}, journal = {Energy Procedia}, issn = {1876-6102}, doi = {10.1016/j.egypro.2013.08.035}, pages = {304 -- 311}, abstract = {The present study investigates the fireside corrosion behavior of selected superheater materials, namely: T24, P92, VM12-SHC, A800HT, and 7RE10 under oxy-coal combustion atmospheres. Data on mass change, scale thickness, metal loss, surface morphology and micro-structural characteristics of corrosion products were obtained. The alloy specimens were analyzed by SEM-EDX, light microscopy and X-Ray diffraction techniques. The results after 2000 hours of exposure at a metal surface temperature of 600 °C indicate that metal wastage increased with decreasing Cr-content under oxy-coal conditions.}, language = {en} } @misc{KrautzNimtz, author = {Krautz, Hans Joachim and Nimtz, Michael}, title = {Flexible Operation of CCS Power Plants to Match Variable Renewable Energies}, series = {Energy Procedia}, volume = {2013}, journal = {Energy Procedia}, number = {40}, issn = {1876-6102}, doi = {10.1016/j.egypro.2013.08.034}, pages = {294 -- 303}, abstract = {The German Energiewende is resulting in high grid load changes caused by renewable energies. Therefore flexibility of power plants is getting more and more important. Future CCS power plants are usually equipped with more components than conventional power plants, resulting in a more complex and inert reaction on changes in power output. Additionally, due to the change in price structures and higher fixed and operational costs for CCS power plants, it is harder for them to be economically efficient. This study will show different options to increase the flexibility of CCS power plants and evaluate their benefits.}, language = {en} } @misc{KrautzCorreadaSilvaKangwanpongpan, author = {Krautz, Hans Joachim and Corr{\^e}a da Silva, Rodrigo and Kangwanpongpan, Tanin}, title = {Flame pattern, temperatures and stability limits of pulverized oxy-coal combustion}, series = {Fuel : the science and technology of fuel and energy}, journal = {Fuel : the science and technology of fuel and energy}, number = {Vol. 115}, issn = {0016-2361}, doi = {10.1016/j.fuel.2013.07.049}, pages = {507 -- 520}, abstract = {The challenges in maintaining a stable oxy-coal flame have been reported in the open literature. In case of pulverized coal combustion, narrower flammable regimes arise not only of differences in the feed gas composition, but also due to changes in the flow dynamics because of reduced volume flow rate through the burners to match similar temperatures and radiative heat transfer within the furnace. The present work focuses on the study of flame structure and stability of pre-dried lignite fired by a staged feed-gas burner. Experimental runs were carried out in a 0.40 MWth laboratory facility, with the objective of investigating the effects of swirl strength and feed gas distribution in the burner registers. To assess the experimental data, a numerical study of the non-reacting flow in the near burner region is performed. Predicted flow pattern and flame images show that the primary fuel jet penetrates the internal recirculation zone, forming an annular doughnut reverse flow region for both firing conditions and resembling a type-1 flame pattern. Temperature measurements indicate that the feed gas distribution among the burner registers control the flame temperature in parallel with the swirl number in both air-fired and oxy-fired environments. The oxy-fuel cases exhibite markedly reduced temperatures on the flame axis. This difference in the core arises not just from the more pronounced penetration depth of the primary jet, but also due to reaction mechanisms including pyrolysis and gasification reactions at the higher concentrations of CO2 and water vapor. Flame stabilization is shown to be strongly dependent on an appropriate distribution of the feed gas and strength of swirling flow in the burner front. The results correlated in terms of swirl number, secondary/tertiary flow ratio and secondary/primary axial momentum point to similarities in the stability limits between air-firing and oxy-firing.}, language = {en} } @inproceedings{MerzschWiedemannPosseltetal., author = {Merzsch, Matthias and Wiedemann, Philipp and Posselt, Joachim and Krautz, Hans Joachim}, title = {Druckaufgeladene Dampfwirbelschicht-Trocknung (DDWT) von Braunkohlen}, series = {45. Kraftwerkstechnisches Kolloquium, Dresden, Oktober 2013}, booktitle = {45. Kraftwerkstechnisches Kolloquium, Dresden, Oktober 2013}, publisher = {TK-Verl.}, address = {Neuruppin}, isbn = {978-3-944310-04-6}, language = {de} } @inproceedings{PosseltKrautz, author = {Posselt, Joachim and Krautz, Hans Joachim}, title = {Untersuchung des Einflusses der Korngr{\"o}ße auf die Trocknungskinetik von Braunkohle}, series = {45. Kraftwerkstechnisches Kolloquium, Dresden, Oktober 2013}, booktitle = {45. Kraftwerkstechnisches Kolloquium, Dresden, Oktober 2013}, publisher = {TK-Verlag}, address = {Neuruppin}, isbn = {978-3-944310-04-6}, language = {de} } @inproceedings{TannertKruegerKrautz, author = {Tannert, Daniel and Kr{\"u}ger, Perco and Krautz, Hans Joachim}, title = {Untersuchung der alkalischen Druckelektrolysetechnologie am Wasserstoff-Forschungszentrum der BTU Cottbus-Senftenberg}, series = {45. Kraftwerkstechnisches Kolloquium, Dresden, Oktober 2013}, booktitle = {45. Kraftwerkstechnisches Kolloquium, Dresden, Oktober 2013}, isbn = {978-3-944310-04-6}, language = {de} } @misc{LechnerMerzschKrautz, author = {Lechner, Stefan and Merzsch, Matthias and Krautz, Hans Joachim}, title = {Heat-transfer from horizontal tube bundles into fluidized beds with Geldart A lignite particles}, series = {Powder Technology}, journal = {Powder Technology}, number = {253}, doi = {10.1016/j.powtec.2013.10.041}, pages = {14 -- 21}, abstract = {This work investigates the heat transfer mechanism in fluidized beds equipped with horizontal heat exchanger surfaces such as single tubes and especially tube bundles. Previous works were performed for varying operating conditions and solids' material properties, leading to a heterogeneous and therefore not applicable spectrum of derived correlations for the influence of tube diameter and tube bundle geometry on heat transfer. Based on a wide range validation of the correlation for the influence of single tube diameter on heat transfer coefficient, tube bundles with different tube diameters and horizontal and vertical spacings and alignments were investigated. Experiments were carried out using electrical heat transfer probes in a 0.15 m2 fluidized bed test facility at ambient conditions. Geldart A lignite and Geldart D solids were used in order to distinguish between predominant particle-convective and gas-convective heat transfer mechanisms. The tube bundle reduction factor on heat transfer coefficient was derived as a key parameter based on dimensionless geometric numbers. This factor predicts the reduction of the heat transfer coefficient compared to that of the single tube due to the particle and gas flow disturbances caused by the immersed tubes. Tube diameter as well as tube bundle geometry were successfully implemented into useful correlations for predicting tube bundles' heat transfer of gas-solid fluidized bed systems operating with fine particles.}, language = {en} } @inproceedings{FischerVoigtTannertetal., author = {Fischer, Ulrich and Voigt, Andre and Tannert, Daniel and Krautz, Hans Joachim}, title = {Pressure and Temperature Influence on Alkine Electrolysis Performance}, series = {Proceedings of 5th European PEFC and H2 Forum, Luzern, Schweiz, June/July 2015}, booktitle = {Proceedings of 5th European PEFC and H2 Forum, Luzern, Schweiz, June/July 2015}, publisher = {European Fuel Cell Forum AG}, address = {Luzern-Adligenswil}, isbn = {978-3-905592-19-1}, language = {en} } @inproceedings{FischerVoigtTannertetal., author = {Fischer, Ulrich and Voigt, Andre and Tannert, Daniel and Krautz, Hans Joachim}, title = {Influence of variable operating parameters on the process of the advanced alkaline pressurised electrolysis}, series = {9th International Renewable Energy Storage Conference and Exhibition (IRES 2015), 09 - 11 March 2015, D{\"u}sseldorf, Germany}, booktitle = {9th International Renewable Energy Storage Conference and Exhibition (IRES 2015), 09 - 11 March 2015, D{\"u}sseldorf, Germany}, publisher = {EUROSOLAR [u.a.]}, address = {Bonn}, language = {en} } @incollection{FischerRabannKrautz, author = {Fischer, Ulrich and Rabann, Bernd and Krautz, Hans Joachim}, title = {Wasserstoff - Elektrolyse}, series = {Erneuerbare Energien : VBI-Leitfaden}, booktitle = {Erneuerbare Energien : VBI-Leitfaden}, edition = {1. Auflage}, publisher = {Verband Beratender Ingenieure}, address = {Berlin}, pages = {85 -- 92}, language = {de} } @inproceedings{KruegerNimtzFischeretal., author = {Kr{\"u}ger, Perco and Nimtz, Michael and Fischer, Ulrich and Krautz, Hans Joachim}, title = {Einsatzsimulation zur Erbringung von Prim{\"a}rregelleistung mit Batteriespeichern}, series = {Nachhaltige Energieversorgung und Integration von Speichern, Tagungsband zur NEIS 2015}, booktitle = {Nachhaltige Energieversorgung und Integration von Speichern, Tagungsband zur NEIS 2015}, editor = {Schulz, Detlef}, publisher = {Springer}, address = {Wiesbaden}, isbn = {978-3-658-10957-8}, pages = {95 -- 101}, language = {de} } @inproceedings{MerzschPosseltWiedemannetal., author = {Merzsch, Matthias and Posselt, Joachim and Wiedemann, Philipp and Krautz, Hans Joachim}, title = {Druckaufgeladene Dampfwirbelschicht-Trocknung von Braunkohle}, series = {Nachhaltige Energieversorgung und Integration von Speichern, Tagungsband zur NEIS 2015}, booktitle = {Nachhaltige Energieversorgung und Integration von Speichern, Tagungsband zur NEIS 2015}, editor = {Schulz, Detlef}, publisher = {Springer}, address = {Wiesbaden}, isbn = {978-3-658-10957-8}, pages = {160 -- 165}, language = {de} } @inproceedings{FischerVoigtTannertetal., author = {Fischer, Ulrich and Voigt, Andre and Tannert, Daniel and Krautz, Hans Joachim}, title = {Druckelektrolyse zur Wasserstoffherstellung- eine Kurz{\"u}bersicht zu energetischen Vor- und Nachteilen}, series = {Nutzung regenerativer Energiequellen und Wasserstofftechnik 2015, 22. Symposium Nutzung Regenerativer Energiequellen und Wasserstofftechnik, Stralsund, 5. - 7. November 2015}, booktitle = {Nutzung regenerativer Energiequellen und Wasserstofftechnik 2015, 22. Symposium Nutzung Regenerativer Energiequellen und Wasserstofftechnik, Stralsund, 5. - 7. November 2015}, publisher = {Fachhochschule Stralsund}, address = {Stralsund}, isbn = {978-3-9817740-0-9}, pages = {30 -- 36}, language = {de} } @inproceedings{KruegerNimtzFischeretal., author = {Kr{\"u}ger, Perco and Nimtz, Michael and Fischer, Ulrich and Krautz, Hans Joachim}, title = {Simulation des Einsatzes von kapazitiv begrenzten Anlagen in der Prim{\"a}rregelleistung}, series = {Kraftwerkstechnik 2015, Strategien, Anlagentechnik und Betrieb,Beitr{\"a}ge des 47. Kraftwerkstechnischen Kolloquiums vom 13. und 14. Oktober 2015 in Dresden}, booktitle = {Kraftwerkstechnik 2015, Strategien, Anlagentechnik und Betrieb,Beitr{\"a}ge des 47. Kraftwerkstechnischen Kolloquiums vom 13. und 14. Oktober 2015 in Dresden}, publisher = {SAXONIA}, address = {Freiberg}, isbn = {978-3-934409-70-5}, pages = {667 -- 682}, language = {de} } @misc{KatzerKlattLisketal., author = {Katzer, Christian and Klatt, Matthias and Lisk, Alexander and Krautz, Hans Joachim}, title = {Erste Untersuchungsergebnisse an einem elektrisch z{\"u}ndenden Kohlenstaubbrennersystem}, series = {Verbrennung und Feuerung, 27. Deutscher Flammentag, Clausthal-Zellerfeld, 16. und 17. September 2015}, journal = {Verbrennung und Feuerung, 27. Deutscher Flammentag, Clausthal-Zellerfeld, 16. und 17. September 2015}, publisher = {VDI-Verlag}, address = {D{\"u}sseldorf}, isbn = {978-3-18-092267-6}, pages = {17 -- 28}, language = {de} } @inproceedings{KatzerKlattLisketal., author = {Katzer, Christian and Klatt, Matthias and Lisk, Alexander and Krautz, Hans Joachim}, title = {Experimentelle Untersuchungen zur Entwicklung eines elektrisch z{\"u}ndenden Kohlestaubbrenners}, series = {Kraftwerkstechnik 2015, Strategien, Anlagentechnik und Betrieb, Beitr{\"a}ge des 47. Kraftwerkstechnischen Kolloquiums vom 13. und 14. Oktober 2015 in Dresden}, booktitle = {Kraftwerkstechnik 2015, Strategien, Anlagentechnik und Betrieb, Beitr{\"a}ge des 47. Kraftwerkstechnischen Kolloquiums vom 13. und 14. Oktober 2015 in Dresden}, publisher = {SAXONIA}, address = {Freiberg}, isbn = {978-3-934409-70-5}, pages = {279 -- 288}, language = {de} } @inproceedings{KatzerBabulKlattetal., author = {Katzer, Christian and Babul, Konrad and Klatt, Matthias and Krautz, Hans Joachim}, title = {Quantitative and qualitative relationship between the flame stability and flame length}, series = {Proceedings of the XXII International Symposium on Combustion Processes, Polish Jurassic Highland (Jura Region), Poland, September 22-25, 2015}, booktitle = {Proceedings of the XXII International Symposium on Combustion Processes, Polish Jurassic Highland (Jura Region), Poland, September 22-25, 2015}, publisher = {Instytut Techniki Cieplnej Politechniki Śląskiej}, address = {Gliwice}, isbn = {978-83-61506-28-7}, language = {en} } @inproceedings{KrautzGuerreroAmezcuaZiems, author = {Krautz, Hans Joachim and Guerrero Amezcua, Cinthya Larissa and Ziems, Christian}, title = {Future Developments of the Photovoltaic Technologies in germany and their Consequences in the Power Network stability, the System security and the demand of chemical long-term storage}, series = {SASEC 2015, Third Southern African Solar Energy Conference, 11 - 13 May 2015, Kruger National Park, South Africa}, booktitle = {SASEC 2015, Third Southern African Solar Energy Conference, 11 - 13 May 2015, Kruger National Park, South Africa}, pages = {383 -- 388}, language = {en} } @misc{KatzerBabulKlattetal., author = {Katzer, Christian and Babul, Konrad and Klatt, Matthias and Krautz, Hans Joachim}, title = {Quantitative und qualitative relationship between swirl burner operating conditions and pulverized coal flame length}, series = {Fuel Processing Technology}, volume = {156}, journal = {Fuel Processing Technology}, issn = {0378-3820}, doi = {10.1016/j.fuproc.2016.10.013}, pages = {138 -- 155}, language = {en} } @inproceedings{ZiemsFischerKrautzetal., author = {Ziems, Christian and Fischer, Ulrich and Krautz, Hans Joachim and Luschtinetz, Thomas and Lehmann, Jochen}, title = {Project presentation-Novel 3D porous electrode materials for more efficient alkaline water electrolysis-AEL3D}, series = {Nutzung regenerativer Energiequellen und Wasserstofftechnik 2016, 23. Symposium Nutzung Regenerativer Energiequellen und Wasserstofftechnik, Stralsund, 3. - 5. November 2016}, booktitle = {Nutzung regenerativer Energiequellen und Wasserstofftechnik 2016, 23. Symposium Nutzung Regenerativer Energiequellen und Wasserstofftechnik, Stralsund, 3. - 5. November 2016}, publisher = {Fachhochschule}, address = {Stralsund}, isbn = {978-3-9817740-1-6}, pages = {175 -- 181}, language = {en} } @inproceedings{FischerTannertVoigtetal., author = {Fischer, Ulrich and Tannert, Daniel and Voigt, Andre and Ziems, Christian and Krautz, Hans Joachim and Barz, Mirko and Dinkler, Konstantin}, title = {Renewable Energy Storage by Hydrogen Production from Water Electrolysis}, series = {Technical and Economic Aspects of Renewable Energies - Know-How Transfer as Development Opportunity for Southern Europe}, booktitle = {Technical and Economic Aspects of Renewable Energies - Know-How Transfer as Development Opportunity for Southern Europe}, publisher = {Mensch und Buch}, address = {Berlin}, isbn = {978-3-86387-721-7}, pages = {118 -- 126}, language = {en} } @incollection{FischerKrautzWenskeetal., author = {Fischer, Ulrich and Krautz, Hans Joachim and Wenske, Michael and Tannert, Daniel and Kr{\"u}ger, Perco and Ziems, Christian and Stolten, Detlef and Emonts, Bernd}, title = {Hydrogen Hybrid Power Plant in Prenzlau, Brandenburg}, series = {Hydrogen Science and Engineering - Materials, Processes, Systems and Technology, Bd. 2}, booktitle = {Hydrogen Science and Engineering - Materials, Processes, Systems and Technology, Bd. 2}, publisher = {Wiley-VCH}, address = {Weinheim}, isbn = {978-3-5273323-8-0}, pages = {1033 -- 1052}, language = {en} } @inproceedings{ZiemsSakkasPosseltetal., author = {Ziems, Christian and Sakkas, Nikolaos Panagiotis and Posselt, Joachim and Krautz, Hans Joachim}, title = {Development of algorithms for the deployment planning and control of power-to-heat systems for the more efficient use of renewable surplus energy - project details}, series = {24. Energiesymposium Symposium - Nutzung regenerativer Energiequellen und Wasserstofftechnik}, booktitle = {24. Energiesymposium Symposium - Nutzung regenerativer Energiequellen und Wasserstofftechnik}, editor = {Luschtinetz, Thomas and Lehmann, Jochen}, publisher = {Stralsund}, address = {Hochschule, Inst. f{\"u}r Regenerative EnergieSysteme}, isbn = {978-3-9817740-3-0}, pages = {194 -- 211}, language = {en} } @inproceedings{GuerreroKlattKrautz, author = {Guerrero, Cinthya and Klatt, Matthias and Krautz, Hans Joachim}, title = {Energy transition in Germany: a case study on renewable energy integration and its impact in the operation and efficiency of coal-fired power plants}, series = {Southern African Energy Efficiency Convention (SAEEC 2017), 14th and 15th November 2017, Gauteng, S{\"u}dafrika}, booktitle = {Southern African Energy Efficiency Convention (SAEEC 2017), 14th and 15th November 2017, Gauteng, S{\"u}dafrika}, isbn = {978-0-6399125-0-9}, pages = {6}, language = {en} } @misc{MieckKrautz, author = {Mieck, Sebastian and Krautz, Hans Joachim}, title = {Systematic analysis and preparation of high resolution in-situ measurements for the estimation of PV module parameters}, series = {VGB PowerTech}, volume = {98}, journal = {VGB PowerTech}, number = {8}, issn = {1435-3199}, pages = {75 -- 81}, abstract = {In the last two decades, a rapid expansion of photovoltaic (PV) power plants of different sizes has taken place. Along with this, the interest from science and industry is growing, exploring the strengths and weaknesses of this technology as well as further developing the efficiency in its production and operation. For planning and operating of PV power plants, valid energy yield forecasts are desirable. These forecasts are also important to draw conclusions for the monitoring of future PV technologies. The analysis, evaluation and processing of meteorological and technical measurement datasets play an essential role. In this article, high-resolution measurement data sets of a mobile, autarkic test system are analyzed firstly. The measured data are checked for plausibility and validity with the corresponding methods. After this observations and phenomena with meteorological cause are described. In a second step, a practicable procedure for the preparation of the measurement data is presented, in order to make it suitable for further calculations, e.g. identification of photovoltaic module parameters for energy yield calculations. The focus is particularly on the flexibility, adaptability and code performance of the processing procedure. Results, evaluations and outlooks on the methods used, measurement data and selected software packages are made.}, language = {en} } @misc{AbangWeissKrautz, author = {Abang, Roger Atini and Weiß, Sabine and Krautz, Hans Joachim}, title = {Impact of increased power plant cycling on the oxidation and corrosion of coal-fired superheater materials}, series = {Fuel}, volume = {2018}, journal = {Fuel}, number = {220}, issn = {0016-2361}, doi = {10.1016/j.fuel.2018.02.047}, pages = {521 -- 534}, abstract = {As power generation from variable renewable energy sources such as wind and solar power continues to increase in the future, fewer baseload power plants will be needed. As a result, high operational flexibility is becoming a vital requirement for conventional power plants to allow for the smooth integration of the variable renewable energy sources (v-RES) into the grid. To understand the impact of high operational flexibility (increased cycling) for coal-fired power plant materials, five commercial coal boiler superheater and reheater materials were investigated under isothermal and cyclic conditions for 1000 h each. The candidate alloys investigated were: T91, VM12-SHC, TP347-HFG, DMV304 HCu and DMV310 N. The results (weight change kinetics and metallographic analysis) after exposure at a metal surface temperature of 650 °C clearly showed the impact of increased flexibility on the corrosion and oxidation of the materials. Oxide growth (weight gain), metal loss, oxide spallation, and grain boundary attack were found to be more severe under cyclic conditions than under isothermal conditions.}, language = {en} } @misc{DahashMieckOchsetal., author = {Dahash, Abdulrahman and Mieck, Sebastian and Ochs, Fabian and Krautz, Hans Joachim}, title = {A comparative study of two simulation tools for the technical feasibility in terms of modeling district heating systems: An optimization case study}, series = {Simulation Modelling Practice and Theory}, volume = {91}, journal = {Simulation Modelling Practice and Theory}, issn = {1569-190X}, doi = {10.1016/j.simpat.2018.11.008}, pages = {48 -- 68}, abstract = {District heating dynamic models arise as an alternative approach to in-situ experimental investigations. The main advantage of dynamic modeling and simulation is the possibility to avoid technical and operational risks that might occur during in-situ experimental investigations (e.g. heat demand is not met, damages in the energy systems etc.). Within this study, the authors present two models for an existing district heating system in Cottbus, Germany. One model is developed using the tool EBSILON Professional, while the other one is developed using the Simscape toolbox for physical modeling in Matlab/Simulink. The models were experimentally validated against measured data from the considered district heating system. The results show that the Simscape model has a better fit and better response than the EBSILON model. Yet, some discrepancies were found between the measured and the simulated data and, therefore, the uncertainties of the models were addressed. A comparative study between both tools is presented. The EBSILON models permit only unidirectional flow, whereas the Simscape toolbox permits reverse flow. Nevertheless, the EBSILON model outperforms the Simscape model in computation time. In addition, this study presents an approach for dynamic thermo-hydraulic modeling of district heating networks. This approach is utilized to examine the role of district heating networks as heat storage as an optimization configuration. The numerical results show less start-ups for additional heat sources. Yet, higher heat losses from the network are observed due to the installation of unburied pipelines.}, language = {en} } @misc{TannertZiemsVoigtetal., author = {Tannert, Daniel and Ziems, Christian and Voigt, Andr{\´e} and Fischer, Ulrich and Krautz, Hans Joachim}, title = {Wasserstoff- und Elektrolyseforschung an der BTU Cottbus - Senftenberg}, series = {VGB PowerTech}, volume = {98}, journal = {VGB PowerTech}, number = {8}, issn = {1435-3199}, pages = {65 -- 69}, language = {de} } @misc{ZiemsFischerKrautz, author = {Ziems, Christian and Fischer, Ulrich and Krautz, Hans Joachim}, title = {Entwicklung und anwendungsbezogene Charakterisierung von effizienten, hochleistungsf{\"a}higen 3D-Elektrodenmaterialien f{\"u}r die alkalische Druckelektrolysetechnologie}, series = {VGB PowerTech}, volume = {98}, journal = {VGB PowerTech}, number = {8}, issn = {1435-3199}, pages = {70 -- 74}, language = {de} } @misc{SakkasZiemsPosseltetal., author = {Sakkas, Nikolaos Panagiotis and Ziems, Christian and Posselt, Joachim and Krautz, Hans Joachim}, title = {Entwicklung von Algorithmen zur Einsatzplanung und Steuerung von Power-to-Heat-Anlagensystemen zur effizienteren Nutzung regenerativer {\"U}berschussenergie}, series = {VGB PowerTech}, volume = {98}, journal = {VGB PowerTech}, number = {8}, issn = {1435-3199}, pages = {82 -- 87}, language = {de} } @misc{VoigtFischerTannertetal., author = {Voigt, Andr{\´e} and Fischer, Ulrich and Tannert, Daniel and Krautz, Hans Joachim}, title = {Analyse erneuerbarer P2H2 Energiesystemkonfigurationen unter Verwendung von Matlab}, series = {Nutzung regenerativer Energiequellen und Wasserstofftechnik 2017 ; 24. Symposium Nutzung Regenerativer Energiequellen und Wasserstofftechnik, Stralsund, 09. bis 11. November 2017}, journal = {Nutzung regenerativer Energiequellen und Wasserstofftechnik 2017 ; 24. Symposium Nutzung Regenerativer Energiequellen und Wasserstofftechnik, Stralsund, 09. bis 11. November 2017}, publisher = {HOST - Hochschule Stralsund}, address = {Stralsund}, isbn = {978-3-9817740-3-0}, pages = {143 -- 147}, language = {de} } @misc{FischerVoigtTannertetal., author = {Fischer, Ulrich and Voigt, Andr{\´e} and Tannert, Daniel and Krautz, Hans Joachim}, title = {Standortevaluierung und System-pfadanalyse im Forschungsprojekt WESpe - Wissenschaftliche Forschung zu Windwasserstoff-Energiespeichern}, series = {Nutzung regenerativer Energiequellen und Wasserstofftechnik 2016 ; energie-symposium, 23. Symposium Nutzung Regenerativer Energiequellen und Wasserstofftechnik, Stralsund, 3. - 5. November 2016}, volume = {2016}, journal = {Nutzung regenerativer Energiequellen und Wasserstofftechnik 2016 ; energie-symposium, 23. Symposium Nutzung Regenerativer Energiequellen und Wasserstofftechnik, Stralsund, 3. - 5. November 2016}, publisher = {Fachhochschule Stralsund}, address = {Stralsund}, isbn = {978-3-9817740-1-6}, pages = {143 -- 147}, language = {de} } @misc{KatzerKrautz, author = {Katzer, Christian and Krautz, Hans Joachim}, title = {Untersuchungen zur messtechnischen Erfassung von instation{\"a}ren Effekten eines Gas-/Kohle-Kombibrenners}, series = {29. Deutscher Flammentag : 17. - 18. September 2019 Ruhr-Universit{\"a}t Bochum}, journal = {29. Deutscher Flammentag : 17. - 18. September 2019 Ruhr-Universit{\"a}t Bochum}, abstract = {In diesem Beitrag wird ein Flammenbewertungsverfahren auf Basis eines Flammenw{\"a}chtersignals vorgestellt. Mit zunehmender Flexibilisierung der Verbrennungsanlagen und der Absenkung von Emissionsgrenzwerten wird eine unmittelbare Flammenanalyse f{\"u}r die Regelung der Brennersysteme zunehmend erforderlich. Auf Basis eines Flammenw{\"a}chtersignals wird mittels Frequenzanalyse ein erg{\"a}nzendes Auswertungsverfahren dargestellt. Anhand der vorgestellten Untersuchungen an einem Erdgas-/Kohle-Kombibrenner wird die Qualifizierung der Prozessmesstechnik f{\"u}r die Flammenbewertung und Brennersteuerung {\"u}berpr{\"u}ft. Die Ergebnisse im Erdgas- und Kohlebetrieb belegen, dass mit der erweiterten Signalanalyse eine Ver{\"a}nderung des Flammenverhaltens mit dem Flammenw{\"a}chtersignal in Zusammenhang gebracht werden kann. Dabei konnte einmal das Emissionsverhalten bei verschiedenen Brennereinstellungen beurteilt werden und andererseits ein Zugriff auf das Stabilit{\"a}tsverhalten der Kohleflamme erm{\"o}glicht werden. Durch die Analyse des Strahlungssignals der Chemilumineszenz des OH* bzw. CH*-Radikals ist ein Bezug zur Ver{\"a}nderung in der Reaktionszone hergestellt. Die entwickelte Bewertungsmethodik kann f{\"u}r die Entwicklung und Etablierung von Beobachter- und Regelmodellen von Brennersystemen genutzt werden.}, language = {de} } @misc{KatzerSchierackKrautz, author = {Katzer, Christian and Schierack, Frank and Krautz, Hans Joachim}, title = {Die TBK- Feuerung im Labor und an einem Großdampfer-zeuger: Parallelen im Last- und Emissionsverhalten}, series = {Verbrennung und Feuerung, 28. Deutscher Flammentag, Darmstadt, 06. und 07. September 2017}, journal = {Verbrennung und Feuerung, 28. Deutscher Flammentag, Darmstadt, 06. und 07. September 2017}, publisher = {D{\"u}sseldorf}, address = {VDI-Verl.}, isbn = {978-3-18-092302-4}, pages = {39 -- 51}, abstract = {Mit der steigenden Erzeugung volatilen Stroms aus erneuerbaren Energien werden die Anforderungen an die Flexibilit{\"a}t der konventionellen Kraftwerke erh{\"o}ht. Der Einsatz von St{\"u}tzfeuerungssystemen auf Basis von Trockenbraunkohle (TBK) erm{\"o}glicht die Erweiterung des Lastbereiches und der Lastgradienten am Dampferzeuger. Untersuchungen zum Teillastverhalten von TBK-Brennern wurden an der BTU Cottbus - Senftenberg an einem 400 kWth Verbrennungsversuchstand und an dem industriellen 30 MWth TBK-Staubbrenner der Firma BBS (Babcock Borsig Steinm{\"u}ller GmbH) durchgef{\"u}hrt. Der verf{\"u}gbare Einsatzbereich des Brenners ist maßgeblich von der Intensit{\"a}t den brennernahen Mischungsvorgang abh{\"a}ngig. Mit der Absenkung der Brennerleistung ist beispielsweise eine signifikante Steigerung der NOx-Emission verbunden. Dieser Effekt ist auf die Ver{\"a}nderung des brennernahen Str{\"o}mungsprofiles zur{\"u}ckzuf{\"u}hren. Mit Maßnahmen wie der Erh{\"o}hung der Drallzahl, Verteilung der Luftimpulsstr{\"o}me und Ver{\"a}nderung des Prim{\"a}rimpulses konnte eine Stabilisierung und Intensivierung der Reaktionszone und somit eine Verbesserte des Teillastverhaltens nachgewiesen werden. 1.}, language = {de} } @misc{KatzerSchierackTappeetal., author = {Katzer, Christian and Schierack, Frank and Tappe, Stephanie and Krautz, Hans Joachim}, title = {Ergebnisse der Untersuchungen zur Betriebsstabilit{\"a}t und des Emissionsverhaltens der TBK-Feuerung im Labor und an einem Großdampferzeuger}, series = {Kraftwerkstechnik 2017 : Strategien, Anlagentechnik und Betrieb}, journal = {Kraftwerkstechnik 2017 : Strategien, Anlagentechnik und Betrieb}, editor = {Beckmann, Michael}, publisher = {Saxonia Standortentwicklungs und -verwaltungsgesellschaft mbH}, address = {Freiberg}, isbn = {978-3-934409-79-8}, pages = {269 -- 278}, language = {de} } @techreport{KrautzMoehlenkampSakkasetal., author = {Krautz, Hans Joachim and M{\"o}hlenkamp, Georg and Sakkas, Nikolaos Panagiotis and Gillung, Frank and Lenivova, Veronika}, title = {Verbundvorhaben AEL3D - Neuartige por{\"o}se 3D-Elektrodenmaterialen zur effizienteren alkalischen Wasserelektrolyse; Teilprojekt: Zellbau und Systemtests : fachlicher Abschlussbericht : Projektlaufzeit: 01.09.2016-31.12.2021}, publisher = {KWT Lehrstuhl Kraftwerkstechnik, BTU Brandenburgische Technische Universit{\"a}t Cottbus-Senftenberg}, address = {Cottbus}, doi = {10.2314/KXP:1859085385}, pages = {147}, language = {de} } @techreport{KrautzMoehlenkampKatzeretal., author = {Krautz, Hans Joachim and M{\"o}hlenkamp, Georg and Katzer, Christian and Klatt, Matthias}, title = {Konzepte und Betriebsstrategien f{\"u}r lastflexible Feuerungs- und Dampfsysteme : Abschlussbericht : Laufzeit des Vorhabens: 01.09.2016 bis 31.12.2021}, publisher = {btu Brandenburgische Technische Universit{\"a}t Cottbus-Senftenberg}, address = {Cottbus}, doi = {10.2314/KXP:1861122357}, pages = {223}, language = {de} }