@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{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} } @misc{SchleifringRistauTaube, author = {Schleifring, Birgit and Ristau, Herbert and Taube, Stefan}, title = {Aufbau der kraftwerkstechnischen Großlabore an der BTU Cottbus und am Energieressourcen-Institut in J{\"a}nschwalde}, 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} } @phdthesis{Owczarek, author = {Owczarek, Christian}, title = {Erste Untersuchungen des Str{\"o}mungsfeldes einer Zykloidbrennkammer anhand eines Kaltmodells}, url = {http://nbn-resolving.de/urn:nbn:de:kobv:co1-opus-1538}, language = {de} } @phdthesis{Warnecke, author = {Warnecke, Martin}, title = {Optimierung der Instandhaltungsplanung mit genetischen Algorithmen unter Ber{\"u}cksichtigung des Speicherverhaltens bei der Verf{\"u}gbarkeitsprognose von Kraftwerksanlagen}, url = {http://nbn-resolving.de/urn:nbn:de:kobv:co1-opus-5961}, language = {de} } @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{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{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{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} } @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} } @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{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{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{AbangFindeisenKrautz, author = {Abang, Roger Atini and Findeisen, Alexander and Krautz, Hans Joachim}, title = {Corrosion Investigation of Materials under Oxyfuel Firing Conditions}, language = {en} } @inproceedings{Loeffler, author = {L{\"o}ffler, Steffen}, title = {EBSILON im akademischen Einsatz an der BTU Cottbus}, 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} } @phdthesis{Asegehegn, author = {Asegehegn, Teklay Weldeabzgi}, title = {Investigation of bubble hydrodynamics in gas-solid fluidized beds containing immersed horizontal tube banks for lignite drying application}, url = {http://nbn-resolving.de/urn:nbn:de:kobv:co1-opus-23578}, language = {en} } @phdthesis{Missagia, author = {Missagia, Bruna}, title = {Agricultural and forestry residues for decentralized energy generation in Brazil}, url = {http://nbn-resolving.de/urn:nbn:de:kobv:co1-opus-25180}, pages = {214}, language = {en} } @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} } @phdthesis{Schreiber, author = {Schreiber, Matthias}, title = {Modellierung von Hydrodynamik und W{\"a}rme{\"u}bertragung in blasenbildenden Wirbelschichten zur Trocknung von Braunkohle}, url = {http://nbn-resolving.de/urn:nbn:de:kobv:co1-opus-27263}, language = {de} } @phdthesis{Lechner, author = {Lechner, Stefan}, title = {Untersuchungen zur Berechnung und Optimierung des W{\"a}rme{\"u}bergangs bei der Dampfwirbelschicht-Trocknung am Beispiel von Lausitzer Braunkohlen}, url = {http://nbn-resolving.de/urn:nbn:de:kobv:co1-opus-27120}, language = {de} } @inproceedings{WieseNimtzMoelleretal., author = {Wiese, Bernd and Nimtz, Michael and M{\"o}ller, Fabian and Otto, Christopher and Liebscher, Axel and Schmidt-Hattenberger, Cornelia}, title = {Determination of thermodynamics in a CO2 injection well using pressure and distributed temperature sensing}, series = {Models - repositories of knowledge, proceedings of Model CARE2011 held in Leipzig, Germany, September 2011}, booktitle = {Models - repositories of knowledge, proceedings of Model CARE2011 held in Leipzig, Germany, September 2011}, publisher = {IAHS Publication}, address = {Wallingford}, isbn = {978-1-907161-34-6}, pages = {286 -- 290}, language = {en} } @phdthesis{Hoehne, author = {H{\"o}hne, Olaf}, title = {Grundlagenuntersuchungen zum Einfluss des Systemdrucks auf die Trocknung von Braunkohle in Wasserdampf}, publisher = {Cuvillier}, address = {G{\"o}ttingen}, isbn = {978-3-9540407-6-6}, pages = {XV, 141}, language = {de} } @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} }