@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} } @phdthesis{Chalupnik, author = {Chalupnik, Rolf W.}, title = {Druckwirbelschichtkraftwerke : Kombikraftwerke mit Druckwirbelschichtfeuerung ; Entwicklung f{\"u}r Braunkohle unter besonderer Ber{\"u}cksichtigung des Emissionsverhaltens}, publisher = {Energiewirtschaft und Technik Verlagsges.}, address = {Essen}, isbn = {3-925349-31-6}, 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{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{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{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{LechnerHoehneKrautz, author = {Lechner, Stefan and H{\"o}hne, Olaf and Krautz, Hans Joachim}, title = {Druckaufgeladene Dampfwirbelschichttrocknung (DDWT) von Braunkohlen: Verfahrensoptimierung mittels Feinkorntrocknung}, language = {de} } @misc{Merzsch, author = {Merzsch, Matthias}, title = {Druckaufgeladene Dampfwirbelschicht-Trocknung von Braunkohle - Eine kleine Reise durch die Geschichte der Trocknung speziell die der Braunkohlen}, series = {VGB PowerTech}, volume = {98}, journal = {VGB PowerTech}, number = {8}, issn = {1435-3199}, pages = {49 -- 57}, abstract = {At first I was wondering what the structure of an article about pressurized steam fluidized bed drying could look like. After some thought, I knew that it should be divided into two parts. In order to highlight the creative and inventive spirit of former engineers, as well as their struggle to increase the efficiency of drying machines, a historical outline of the drying technology in general and the concept of steam fluidized bed drying in particular will form the first part of the article. The second part will present the practical and research contribution of Prof. Krautz and his colleagues to the advancement of this field. The article as a whole will be able to provide an overview of the coal/lignite drying, with focus on the pressurized steam fluidized bed drying principle implemented in the Lusatian mining area.}, 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{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{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{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{HoehneMartinJentschetal., author = {H{\"o}hne, Olaf and Martin, J{\"o}rg S. and Jentsch, N. and Thannh{\"a}user, L.}, title = {Druckaufgeladene Dampfwirbelschicht-Trocknung (DDWT) von Braunkohlen: Inbetriebnahme des 10 t/h-Versuchstrockner der Vattenfall Europe AG und erste Betriebsergebnisse}, 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} } @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{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{JentschHoehne, author = {Jentsch, N. and H{\"o}hne, Olaf}, title = {Druckaufgeladene Dampf-Wirbelschicht-Trocknung (DDWT): Versuchsanlage zur DDWT mit 5 t/h TBK-Durchsatz}, 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} } @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} } @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{RombrechtFindeisenKrautz, author = {Rombrecht, Hans-Bernd and Findeisen, Alexander and Krautz, Hans Joachim}, title = {Die Entwicklung von Kombikraftwerksprozessen}, language = {de} } @inproceedings{RombrechtFindeisenKrautz, author = {Rombrecht, Hans-Bernd and Findeisen, Alexander and Krautz, Hans Joachim}, title = {Die Energiestrategie 2010 in Brandenburg}, language = {de} } @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} } @inproceedings{Krautz, author = {Krautz, Hans Joachim}, title = {Diagnostics of Alkali and Heavy Metal Release}, language = {de} } @phdthesis{Rochlitz, author = {Rochlitz, Lisbeth}, title = {Development, investigation and modelling of a micro reformer as part of a system for off-grid power suppy with PEM fuel cells}, url = {http://nbn-resolving.de/urn:nbn:de:kobv:co1-opus-5900}, language = {de} } @inproceedings{Krautz, author = {Krautz, Hans Joachim}, title = {Development steps of the low CO2-power plant technology in Germany}, language = {en} } @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{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} } @misc{ReimannKohlenbachRoentzsch, author = {Reimann, Ansgar and Kohlenbach, Paul and R{\"o}ntzsch, Lars}, title = {Development of a novel quasi-2D PEM Electrolyzer Model in Modelica}, series = {Proceedings of the 15th International Modelica Conference 2023, Aachen, October 9-11}, journal = {Proceedings of the 15th International Modelica Conference 2023, Aachen, October 9-11}, publisher = {Link{\"o}ping University Electronic Press}, issn = {1650-3686}, doi = {10.3384/ecp20463}, pages = {9}, abstract = {To increase the efficiency of PEM electrolysis, simulation models are required that accurately describe the system's electrochemical and thermal behavior in a computationally efficient manner and are thus suitable for developing control strategies. Therefore, a pseudo-2D PEM electrolyzer model is presented in this paper, which is a compromise between the previously developed models regarding their model complexity. The electrochemical behavior is described with equations commonly used in the literature and the thermal behavior with correlations for gas-liquid heat transfer. Preliminary validation indicates that the model can describe the electrochemical behavior and thermal dynamics of a PEM electrolysis stack with good accuracy.}, 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{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} } @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{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{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} } @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}, 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{Rombrecht, author = {Rombrecht, Hans-Bernd}, title = {Das Projekt NEBrA - neue Perspektiven f{\"u}r die Landwirtschaft in der Spree-Neiße-Bober-Region}, language = {de} } @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} } @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} } @inproceedings{AltmannKrautz, author = {Altmann, H. and Krautz, Hans Joachim}, title = {Das CO2-freie Pilotkraftwerk von vattenfall Europe Generation}, 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{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} } @misc{ThummarAbangMenzeletal., author = {Thummar, Krunalkumar and Abang, Roger and Menzel, Katharina and Groot, Matheus Theodorus de}, title = {Coupling a Chlor-Alkali Membrane Electrolyzer Cell to a Wind Energy Source: Dynamic Modeling and Simulations}, series = {Energies}, volume = {15}, journal = {Energies}, number = {2}, issn = {1996-1073}, doi = {10.3390/en15020606}, pages = {1 -- 26}, abstract = {Renewable energy sources are becoming a greater component of the electrical mix, while being significantly more volatile than conventional energy sources. As a result, net stability and availability pose significant challenges. Energy-intensive processes, such as chlor-alkali electrolysis, can potentially adjust their consumption to the available power, which is known as demand side management or demand response. In this study, a dynamic model of a chlor-alkali membrane cell is developed to assess the flexible potential of the membrane cell. Several improvements to previously published models were made, making the model more representative of state-of-the-art CA plants. By coupling the model with a wind power profile, the current and potential level over the course of a day was simulated. The simulation results show that the required ramp rates are within the regular operating possibilities of the plant for most of the time and that the electrolyte concentrations in the cell can be kept at the right level by varying inlet flows and concentrations. This means that a CA plant can indeed be flexibly operated in the future energy system.}, 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{AbangFindeisenKrautz, author = {Abang, Roger Atini and Findeisen, Alexander and Krautz, Hans Joachim}, title = {Corrosion Investigation of Materials under Oxyfuel Firing Conditions}, language = {en} } @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{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{MissagiaKrautz, author = {Missagia, Bruna and Krautz, Hans Joachim}, title = {Comparative analysis of Brazilian residual biomass for pellet production}, 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} } @inproceedings{Nimtz, author = {Nimtz, Michael}, title = {CO2-Separation Test Site: Demonstration Power Plant J{\"a}nschwalde}, language = {de} }