Person – Energie Campus Nürnberg

FAU Erlangen-Nürnberg / Lehrstuhl für Energieverfahrenstechnik (EVT)

+49 911/5302-9030

Über die Person

Prof. Dr.-Ing. Jürgen Karl ist Experte im Bereich Energieverfahrenstechnik. Er beschäftigt sich in seiner Lehre und Forschung vor allem mit den Thema Verbrennung und Vergasung von Energieträgern, insbesondere Biomasse.

Forschungsschwerpunkte

Energetische Nutzung von Biomasse
Verbrennung und Vergasung in Wirbelschichten
Methanisierung und SOFC-Brennstoffzellen
Carbon Capture und Sequestration

Akademische Laufbahn

2016-2018	erster Prodekan der Technischen Fakultät an der Universität Erlangen-Nürnberg
seit 2011	Inhaber des Lehrstuhls für Energieverfahrenstechnik an der Universität Erlangen-Nürnberg
2007-2011	Institutsleiter und Universitätsprofessor am Institut für Wärmetechnik der Technischen Universität Graz
2007	Gründung der Agnion Energy Inc. – Start-Up zur Entwicklung und Vermarktung einer innovativen Technologie für die allotherme Vergasung von Biomasse – des Biomass Heatpipe-Reformers (www.agnion.net)
2003-2004	Professorenvertretung am Lehrstuhl für Energieanlagen der Universität Rostock
1992-2007	Promotion und Habilitation am Lehrstuhl für Thermische Kraftanlagen (heute Lehrstuhl für Energiesysteme) der Technischen Universität München
1987-1992	Studium Maschinenbau, Fachrichtung Verfahrenstechnik an der TU München

Funktionen

Koordination der EU-Projekte BioHPR, BioCellus, CO2freeSNG
Gutachter (Evaluator) für das 6. und 7. Rahmenprogramm der EU
Mitglied der Technical Advisory Group TGC3 des Research Funds Coal and Steel der EU
Mitglied der Processnet-Fachgruppen „Hochtemperaturtechnik“ und „Energieverfahrenstechnik“

Lehrtätigkeit

Sachpublikationen

Im November 2018 veröffentlichte Prof. Karl ein Sachbuch mit dem Titel Klimawende - Eine Energiebilanz für morgen. Mehr Informationen dazu auf der Lehrstuhlhomepage.

Publikationen

Hier finden Sie alle bisher veröffentlichten Publikationen – Zeitschriftenartikel, Rezensionen, Entscheidungsanmerkungen, Fallbesprechungen, Sammelwerke, Kommentare, Konferenz- oder Diskussionsberichte, Konferenzbeiträge und andere Beiträge, Editorials, Festschriften usw.

T. Schneider, D. Müller, J. Karl (2020)

A review of thermochemical biomass conversion combined with Stirling engines for the small-scale cogeneration of heat and power

Renewable & Sustainable Energy Reviews

Markthaler S, Plankenbühler T, Weidlich T, Neubert M, Karl J (2020)

Numerical simulation of trickle bed reactors for biological methanation

Chemical Engineering Science

Steger D, Regensburger C, Eppinger B, Will S, Karl J, Schlücker E (2020)

Design aspects of a reversible heat pump - Organic rankine cycle pilot plant for energy storage

Energy

Daniel Scharrer, Bernd Eppinger, Pascal Schmitt, Johan Zenk, Peter Bazan, Jürgen Karl, Stefan Will, Marco Pruckner, Reinhard German (2020)

Life Cycle Assessment of a Reversible Heat Pump–Organic Rankine Cycle–Heat Storage System with Geothermal Heat Supply

Energies

Plankenbühler T, Kolb S, Grümer F, Müller D, Karl J (2020)

Image-Based Model for Assessment of Wood Chip Quality and Mixture Ratios

Processes

Dominik Müller, Thomas Plankenbühler, Jürgen Karl (2020)

A Methodology for Measuring the Heat Release Efficiency in Bubbling Fluidised Bed Combustors

Energies

Grimm F, Neubert M, Karl J, Menzler N, Guillon O (2020)

Selection of cathode materials for forsterite-supported solid oxide fuel cells – Part II: Electro-catalytic activity

Journal of Power Sources

Markthaler S, Neuber M, Karl J (2020)

Katalytische Methanisierung von Biogas zur Anlagenflexibilisierung - das Projekt Power-to-Biogas

Yin Pang, Thomas Hammer, Dominik Müller, Jürgen Karl (2019)

Investigation on the influence of non-thermal plasma on reaction degree of wood gasification in a drop tube reactor

Fuel

Thema Martin, Weidlich Tobias, Hoerl Manuel, Bellack Annett, Moers Friedemann, Hackl Florian, Kohlmayer Matthias, Gleich Jasmin, Stabenau Carsten, Trabold Thomas, Neubert Michael, Ortloff Felix, Brotsack Raimund, Schmack Doris, Huber Harald, Hafenbradl Doris, Karl Juergen, Sterner Michael (2019)

Biological CO2-Methanation: An Approach to Standardization

Energies

Gatternig B, Karl J (2019)

Application of chemical equilibrium calculations for the prediction of ash-induced agglomeration

Biomass Conversion and Biorefinery

Plankenbühler T., Müller D., Karl J. (2019)

Influence of fine fuel particles on ash deposition in industrial-scale biomass combustion: Experiments and computational fluid dynamics modeling

Energy & Fuels

Pang Y., Bosch H., Hammer T., Müller D., Karl J. (2019)

Plasma-Aided Reforming of Toluene and Isopropanol with Analysis of Decomposition Mechanism

Waste and Biomass Valorization

S. Kolb, T. Plankenbühler, F. Pfaffenberger, J. Vrzel, A. Kalu, C. Holtz-Bacha, R. Ludwig, J. Karl, M. Dillig (2019)

Scenario-based analysis for the integration of renewable gases into the german gas market

Pang Y, Hammer T, Müller D, Karl J (2019)

Investigation of Nonthermal Plasma Assisted Charcoal Gasification for Production of Hydrogen-Rich Syngas

Processes

Gatternig B., Karl J. (2019)

A discrete element cohesive particle collision model for the prediction of ash-induced agglomeration

International Journal of Ambient Energy

Steger D, Regensburger C, Eppinger B, Will S, Karl J, Schlücker E (2019)

COMBINING AN ORGANIC RANKINE CYCLE AND A HEAT PUMPCYCLE IN A TEST PLANT FOR REVERSIBLE STORAGE OFENERGY

Pang Y, Hammer T, Müller D, Karl J (2018)

Gasification of Biomass and its derived-Products using non-equilibrium Plasma at laboratory Scale

Gatternig B, Karl J (2018)

Application of chemical equilibrium calculations for the prediction of ash-induced agglomeration

Biomass Conversion and Biorefinery

Bahr L, Fendt P, Zigan L, Braeuer A, Hammer T, Pang Y, Karl J, Will S (2018)

Spectroscopic Temperature Measurements in a Plasma-Assisted Gasification Process

Leimert J, Neubert M, Treiber P, Dillig M, Karl J (2018)

Combining the Heatpipe Reformer technology with hydrogen-intensified methanation for production of synthetic natural gas

Applied Energy

Pang Y, Bahr L, Fendt P, Zigan L, Will S, Hammer T, Baldauf M, Fleck R, Müller D, Karl J (2018)

Plasma-Assisted Biomass Gasification in a Drop Tube Reactor at Atmospheric Pressure

Scharrer Daniel, Schmitt Bernd, Bazan Peter, Zigan Lars, Will Stefan, Karl Jürgen, German Reinhard (2018)

Properties of Reversible Heat Pump ORC Energy Storage Systems for Base Load Generation

Scharrer D, Eppinger B, Bazan P, Zigan L, Karl J, German R, Will S (2018)

Properties of Reversible Heatpump-ORC Energystorage Systems for Baseload Generation

Eppinger B, Bauer P, Karl J, Zigan L, Will S (2018)

Simulation eines kombinierten HP-ORC-Systems zur Energiespeicherung unter Aufwertung von Niedertemperaturwärme

Neubert M., Hauser A., Pourhossein B., Dillig M., Karl J. (2018)

Experimental evaluation of a heat pipe cooled structured reactor as part of a two-stage catalytic methanation process in power-to-gas applications

Applied Energy

Lange C, Müller D, Karl J (2018)

Peak-Load High-Temperature Carbonate Storage

Pang Y, Hammer T, Bahr L, Fendt P, Will S, Müller D, Karl J (2018)

Plasma-assisted biomass gasification in an atmospheric drop tube reactor

Pang Y, Bahr L, Fendt P, Zigan L, Will S, Hammer T, Baldauf M, Fleck R, Müller D, Karl J (2018)

Plasma-Assisted Biomass Gasification with Focus on Carbon Conversion and Reaction Kinetics Compared to Thermal Gasification

Energies

Saidi A, Trinkl C, Conti F, Goldbrunner M, Karl J (2018)

Partially Upgraded Biogas: Potential for Decentralized Utilization in Agricultural Machinery

Chemical Engineering & Technology

Neubert M, Hauser A, Dillig M, Karl J (2018)

Heatpipe-gekühltes Reaktorkonzept für die katalytische Methanisierung in power-to-gas Anwendungen

Herrmann T, Birth S, Karl J, Dillig M (2018)

Monitoring a commercial µ-CHP SOFC-Stack by electrochemical impedance spectroscopy

Leimert J, Dillig M, Karl J (2018)

Hydrogen production from solid feedstock by using a nickel membrane reformer

Journal of Membrane Science

Trabold T, Dillig M, Neubert M, Karl J (2018)

Direct Biological Methanation of the Synthesis Gas of an Allothermal Wood Gasifier

Pang Y, Hammer T, Bahr L, Fendt P, Zigan L, Will S, Baldauf M, Fleck R, Müller D, Karl J (2018)

Investigation of biomass gasification with non-thermal plasma

Müller D, Schneider T, Plankenbühler T, Karl J (2018)

Kleinskalige Wirbelschichtfeuerungen zur (Hochtemperatur-) Wärmebereitstellung

Staub S, Bazan P, Braimakis K, Müller D, Regensburger C, Scharrer D, Schmitt P, Steger D, German R, Karellas S, Pruckner M, Schlücker E, Will S, Karl J (2018)

Reversible heat pump-organic rankine cycle systems for the storage of renewable electricity

Energies

Pang Y, Hammer T, Bahr L, Fendt P, Will S, Müller D, Karl J (2018)

Kinetikuntersuchung einer NT-Plasma-gestützten Holzvergasung

Karl J (2018)

(K)eine Wende ohne Bioenergie? – Die Rolle der Biomasse in unserer künftigen Energiewirtschaft

Karl J (2018)

Zentral oder dezentral – Technologien für die Energiewende

Kolb S, Dillig M, Karl J (2018)

Integration of Renewable Gases into the Gas Market: A Nonlinear Optimization Approach

Bahr L., Fendt P., Pang Y., Karl J., Hammer T., Braeuer A., Will S. (2018)

Temperature determination of superheated water vapor by rotational-vibrational Raman spectroscopy

Optics Letters

Herrmann T, Karl J, Schipke M (2018)

Technische Lösung zur Lebenszeitverlängerung von Brennstoffzellen und Einsatz von Vergasungsgas in Hochtemperatur-Brennstoffzellen

Weidlich T, Neubert M, Dillig M, Karl J (2018)

Biological Methanation in Trickle-Bed Reactor

Schneider T, Müller D, Karl J (2018)

Verstromung von biogenen Reststoffen in einem wirbelschichtgefeuerten Stirlingmotor

Kolb S, Plankenbühler T, Karl J, Dillig M (2018)

SustainableGas - Model for the Integration of Renewable Gases (MIREG)

Lange C, Müller D, Karl J (2018)

Spitzenlastfähige Hochtemperaturspeicher

Karl J., Pröll T. (2018)

Steam gasification of biomass in dual fluidized bed gasifiers: A review

Renewable & Sustainable Energy Reviews

Dillig M, Plankenbühler T, Karl J (2018)

Thermal effects of planar high temperature heat pipes in solid oxide cell stacks operated with internal methane reforming

Journal of Power Sources

Weidlich T, Dillig M, Thema M, Sterner M, Karl J (2018)

Biological Methanation in a trickle-bed reactor

Schneider T, Müller D, Karl J (2018)

Biomass conversion with a fluidized bed-fired Stirling engine in a micro-scale CHP plant

Karl J, Neubert M (2017)

Production of Substitute Natural Gas: Thermochemical Methods

Herrmann T, Dillig M, Hauth M, Karl J (2017)

Conversion of tars on solid oxide fuel cell anodes and its impact on voltages and current densities

Energy Science and Engineering

Y. Pang, T. Hammer, J. Karl, S. Will (2017)

Experimentelle Untersuchung einer plasma-gestützten Biomassevergasung in Labormaßstab

Neubert M, Treiber P, Dillig M, Karl J (2017)

Methanisierung im katalytischen Festbett für die SNG-Erzeugung in kleinen bis mittleren Anlagengrößen

Herrmann T, Dillig M, Karl J (2017)

Modelling Tar Conversion on SOFC Anodes

Leimert JM, Karl J (2017)

Herstellung von Wasserstoff durch Nutzung der Heatpipe Reformer Technologie mit integrierter Wasserstoffabtrennung

Karl J (2017)

Aus der Forschung heraus erfolgreich gründen

Neubert M, Treiber P, Krier C, Hackel M, Hellriegel T, Dillig M, Karl J (2017)

Influence of hydrocarbons and thiophene on catalytic fixed bed methanation

Fuel

Karl J (2017)

Zentral oder dezentral – Technologien für die Energiewende

Treiber P, Schneider T, Neubert M, Karl J (2017)

Allothermal gasification of biomass and lignite with integrated syngas cleaning for synthesis processes

Plankenbühler T, Müller D, Karl J (2017)

Slagging prevention and plant optimization by means of numerical simulation

Karl J (2017)

Balancing renewable energies - the European Challenge

Schmitt B, Bauer P, Karl J, Zigan L, Will S (2017)

Simulation eines kombinierten HP-ORC-Systems zur Energiespeicherung unter Aufwertung von Niedertemperaturwärme

Leimert JM, Karl J (2017)

Performance and efficiency of the Heatpipe Reformer gasification system

Pang Y, Muller D, Karl J, Hammer T, Bahr L (2017)

Biomass Gasification using non-thermal Plasma in a drop tube reactor

VDI-Berichte

Neubert M., Reil S., Wolff M., Pöcher D., Stork H., Ultsch C., Meiler M., Messer J., Kinzler L., Dillig M., Beer S., Karl J. (2017)

Experimental comparison of solid phase adsorption (SPA), activated carbon test tubes and tar protocol (DIN CEN/TS 15439) for tar analysis of biomass derived syngas

Biomass & Bioenergy

Leimert JM, Treiber P, Neubert M, Sieber A, Karl J (2017)

Performance of a 100 kW Heatpipe Reformer operating on Lignite

Energy & Fuels

Neubert M, Dillig M, Karl J (2017)

SNG production through fixed-bed methanation of biomass derived syngas with simplified warm gas cleaning

Pang Y, Müller D, Karl J, Hammer T, Bahr L (2017)

Biomassvergasung mittels nichtthermischen Plasmen im Fallrohrreaktor

Karl J (2017)

Diskussion, Zusammenfassung und Ausblick

Großmann K, Dellermann T, Dillig M, Karl J (2017)

Coking behavior of nickel and a rhodium based catalyst used in steam reforming for power-to-gas applications

International Journal of Hydrogen Energy

Leimert J, Karl J, Dillig M (2017)

Dry Reforming of Methane Using a Nickel Membrane Reactor

Processes

Neubert M, Widzgowski J, Roensch S, Treiber P, Dillig M, Karl J (2016)

Simulation-Based Evaluation of a Two-Stage Small-Scale Methanation Unit for Decentralized Applications

Energy & Fuels

Staub S, Bauer J, Müller D, Franke J, Karl J (2016)

CO2-Neutral Generation of Heat and Power in Smart Homes by Organic Rankine Cycle Powered Combined Heat and Power Micro Plants

Advanced Engineering Forum

Müller D, Plankenbühler T, Karl J (2016)

Small-scale CHP Stirling Engines based on fluidized-bed combustion of biomass

Großmann K, Karl J (2016)

PtG without electrolysis: Hydrogen production from renewable sources in the natural gas grid by partial reforming

Dillig M, Jung M, Karl J (2016)

The impact of renewables on electricity prices in Germany - An estimation based on historic spot prices in the years 2011-2013

Renewable & Sustainable Energy Reviews

Treiber P, Neubert M, Leimert J, Karl J (2016)

Allotherme Vergasung von Braunkohle und Gasreinigung mit integrierter Abtrennung von CO2 zur Optimierung des C/H/O-Verhältnisses im Produktgas

Höftberger D, Karl J (2016)

The Indirectly Heated Carbonate Looping Process for CO2 Capture—A Concept With Heat Pipe Heat Exchanger

Journal of Energy Resources Technology-Transactions of the Asme

Reschmeier R, Karl J (2016)

Experimental study of wood char gasification kinetics in fluidized beds

Biomass & Bioenergy

Plankenbühler Th, Müller D, Karl J (2016)

Numerical simulation and experimental investigation of slagging in biomass combustion

Leimert J., Bartolf A., Karl J. (2016)

Hydrogen concentration measurement in high temperature applications using hydrogen permeation

International Journal of Hydrogen Energy

Leimert JonasM, Dillig Marius, Karl Jürgen (2016)

Hydrogen inactivation of liquid metal heat pipes

International Journal of Heat and Mass Transfer

Leimert J, Treiber P, Karl J (2016)

The Heatpipe Reformer with optimized combustor design for enhanced cold gas efficiency

Fuel Processing Technology

Großmann K, Treiber P, Karl J (2016)

Steam methane reforming at low S/C ratios for power-to-gas applications

International Journal of Hydrogen Energy

Leimert J, Karl J (2016)

Generation of Hydrogen from Solid Feedstock Using the Heatpipe Reformer Technology with in-Situ Hydrogen Separation By Nickel Membranes

Müller D, Plankenbühler T, Karl J (2016)

Numerical simulations of staged fluidized bed boilers based on heat release measurements

Dillig M., Karl J (2016)

Reversible SOFC-Stacks durch thermisches Stackmanagement mit planaren Hochtemperatur-Heatpipes

Müller D, Karl J (2016)

Mikro-KWK mit einem biomassebetriebenen Stirlingmotor auf Basis einer stationären Wirbelschichtfeuerung

Leimert J, Karl J (2016)

Einsatz von Nickelmembranen zur in-situ Wasserstoffabtrennung im Heatpipe Reformer

Treiber P, Neubert M, Karl J (2016)

Allothermal Gasification of Lignite and Biomass with Integrated Syngas Cleaning and CO2 Removal

Leimert J., Karl J. (2016)

Nickel membranes for in-situ hydrogen separation in high-temperature fluidized bed gasification processes

International Journal of Hydrogen Energy

Gatternig B, Karl J (2015)

Prediction of ash-induced agglomeration in biomass-fired fluidized beds by an advanced regression-based approach

Fuel

Dillig Marius, Biedermann Thomas, Karl Jürgen (2015)

Thermal contact resistance in solid oxide fuel cell stacks

Journal of Power Sources

Dillig M, Meyer T, Karl J (2015)

Integration of Planar Heat Pipes to Solid Oxide Cell Short Stacks

Fuel Cells

Gatternig B, Karl J (2015)

Investigations on the mechanisms of ash-induced agglomeration in fluidized-bed combustion of biomass

Energy & Fuels

Leimert J, Karl J (2015)

Herstellung von Wasserstoff auf Basis der Heatpipe Reformer Technologie mit verbessertem Kaltwirkungsgrad

Hoeftberger D, Karl J (2015)

The Indirectly Heated Carbonate Looping Process for CO2 Capture - A Concept with Heat Pipe Heat Exchanger

Müller D, Karl J (2015)

Charakterisierung von Ilmenit als Additiv für herkömmliche Bettmaterialien bei der stationären Wirbelschichtverbrennung

Karl J (2015)

Motives for biomass based bio-SNG production and perspectives of the Heatpipe Reformer technology

Müller D, Karl J (2015)

Bestimmung der Wärmeentbindung in biomassegefeuerten Wirbelschichten

Hoeftberger D, Karl J (2015)

Der indirekt beheizte Carbonate Looping Process zur CO2-Abscheidung aus Rauchgasen von Kohlekraftwerken

Plankenbühler T, Karl J (2015)

Numerische Simulation und experimentelle Untersuchung der Verschlackungsneigung biogener Brennstoffe

Hoeftberger D, Karl J (2015)

The Indirectly Heated Carbonate Looping Process for CO2 Capture

Dillig M, Karl J (2015)

Deutschland ohne erneuerbare Energien? Entwicklung der Stromkosten und Versorgungssicherheit ohne den Ausbau erneuerbarer Energien

BWK Das Energie Fachmagazin

Koytsoumpa E, Atsonios K, Panopoulos K, Karellas S, Kakaras E, Karl J (2015)

Modelling and assessment of acid gas removal processes in coal-derived SNG production

Applied Thermal Engineering

Treiber P, Leimert J, Neubert M, Karl J (2015)

Integrated Syngas Cleaning and CO2 Removal for Medium-scale Coal-to-SNG Plants

Dillig M, Karl J (2014)

"Deutschland ohne Erneuerbare Energien?"

Gatternig Bernhard, Karl Jürgen (2014)

The Influence of Particle Size, Fluidization Velocity, and Fuel Type on Ash-Induced Agglomeration in Biomass Combustion

Frontiers in Energy Research

Reschmeier R, Roveda D, Müller D, Karl J (2014)

Pyrolysis kinetics of wood pellets in fluidized beds

Journal of Analytical and Applied Pyrolysis

Dillig M, Leimert J, Karl J (2014)

Planar high temperature heat pipes for SOFC/SOEC stack applications

Fuel Cells

Leimert J, Karl J (2014)

Herstellung von Wasserstoff auf Basis der Heatpipe Reformer Technologie

Karl J (2014)

Biomass heat pipe reformer—design and performance of an indirectly heated steam gasifier

Biomass Conversion and Biorefinery

Müller D, Karl J (2014)

Burnout optimization of staged small-scale fluidized bed combustion systems

Dillig M, Karl J (2014)

Operation of SOFC short stacks with integrated planar high temperature heat pipes

Plankenbühler T, Karl J (2014)

Influence on fuel fine particles on slagging of commercial size biomass boilers

Hoeftberger D (2013)

Self-Fluidization in an Indirectly Heated Calciner

Chemical Engineering & Technology

Baumhakl C, Karl J (2013)

Optimized Bio-SNG Production from Thermal Gasification with Hot-gas-cleaning Technologies

Kienberger T, Zuber C, Novosel K, Baumhakl C (2013)

Desulfurization and in situ tar reduction within catalytic methanation of biogenous synthesis gas

Fuel

Dillig M, Karl J (2013)

Substitute Natural Gas from Biomass - Decentralised Gasification and Methanation

Baumhakl C, Karl J, Kienberger T, Schweiger A, Buchholz D, Bajohr S, Koytsoumpa E, Karellas S (2013)

Substitute natural gas from Coal with internal sequestration of CO2

Plankenbühler T, Karl J (2013)

Erweiterung des Brennstoffbandes moderner Biomassefeuerungen

Gatternig B, Karl J (2013)

Development of novel modelling approaches for agglomeration prediction

Baumhakl C, Karl J (2013)

Efficient Bio-SNG Production from Thermal Gsification with Hot-gas-cleaning Technologies

Patuzzi F, Roveda D, Mimmo T, Karl J, Baratieri M (2013)

A comparison between on-line and off-line tar analysis methods applied to common reed pyrolysis

Fuel

Müller D, Karl J (2013)

Biomass CHP with Micro-Fluidized-bed combustion

Karl J (2013)

Liberalisierter Energiemarkt - Neue Technologien und dezentrale Energiesysteme bilden die Grundlage für die Energiewende

ReSource

Reil S, Baumhakl C, Karl J, Messer J, Stork H, Beer S (2013)

Vergleich verschiedener Methoden zur Teeranalytik auf Basis von SPA und nasschemischen Verfahren bei der thermochemischen Biomassevergasung

Reschmeier R, Karl J (2013)

Kinetik der Pyrolyse von Holzwürfeln in Wirbelschichten

Karellas S, Panopoulos K, Panousis G, Rigas A, Karl J (2012)

An evaluation of Substitute natural gas production from different coal gasification processes based on modeling

Energy

Karl J (2012)

Dezentrale Energiesysteme: Neue Technologien im liberalisierten Energiemarkt

Karl J (2012)

Kraft-Wärme-Kopplung mit Biomasse: 27./28. März 2012, Neumarkt

Dillig M (2012)

Thermal management of high temperature solid oxide electrolyser cell/fuel cell systems

Energy Procedia

Hauth M, Kienberger T, Karl J (2011)

Transient operation effects of SOFCs driven with tar loaded synthesis gas

Karellas S, Panopoulos K, Karl J, Kakaras E (2011)

A modelling evaluation of synthetic natural gas production from coal/lignite steam gasification process

Koytsoumpa E, Griendl L, Karellas S, Panopoulos K, Nikolopoulos A, Karl J, Kakaras E (2011)

Simulations of a fixed bed catalytic reactor for the production of methane from syngas

Hauth M, Lerch W, König K, Karl J (2011)

Impact of naphthalene on the performance of SOFCs during operation with synthetic wood gas

Journal of Power Sources

Hauth M, Karl J (2010)

Entwicklungsstand innovativer SOFC Systeme zur dezentralen Energiebereitstellung

Kienberger T, Karl J (2010)

Substitute Natural Gas (SNG)--Stand der Technik, theoretische Grundlagen, Forschung am Institut für Wärmetechnik

Karl J (2010)

Kraft-Wärme-Kopplung mit Biomasse: 9./10. März 2010, Augsburg;[OTTI Fachforum]

Karl J (2010)

Technische Grundlagen der Kraft-Wärme-Kopplung

Karl J (2009)

Kraft-Wärme-Kopplung mit Biomasse: technische, wirtschaftliche und rechtliche Rahmenbedingungen, Stand der Technik, Projektfinanzierung und Kosten, innovative Konzepte und Systeme; 07./08. April 2009, Regenstauf

Hofmann Ph, Panopoulos KD, Aravind PV, Siedlecki M, Schweiger A, Karl J, Ouweltjes JP, Kakaras E (2009)

Operation of solid oxide fuel cell on biomass product gas with tar levels >10 g Nm-3

International Journal of Hydrogen Energy

Karl J, Frank N, Karellas S, Saule M, Hohenwarter U (2009)

Conversion of syngas from biomass in solid oxide fuel cells

Journal of Fuel Cell Science and Technology

Kienberger T, Muehlberger T, Lettner J, Karl Juergen (2009)

METHANATION WITH AN ALLOTHERMAL SMART LAB-SCALE GASIFICATION SYSTEM 17TH BIOMASS CONFERENCE--HAMBURG 2009

Schweiger A, Hochleitner T, Karl J, Kienberger T (2009)

Method for manufacturing a product gas and generating steam, and modular product gas-steam reactor for carrying out said method

Hofmann P, Panopoulos K, Fryda L, Schweiger A, Ouweltjes J (2008)

Integrating biomass gasification with solid oxide fuel cells: Effect of real product gas tars, fluctuations and particulates on Ni-GDC anode

International Journal of Hydrogen Energy

Karellas S, Karl J, Kakaras E (2008)

An innovative biomass gasification process and its coupling with microturbine and fuel cell systems

Energy

Fryda L, Panopoulos K, Karl J, Kakaras E (2008)

Exergetic analysis of solid oxide fuel cell and biomass gasification integration with heat pipes

Energy

Karellas S, Kakaras E, Papadopoulos T, Schäfer C, Karl J (2008)

Hydrogen production from allothermal biomass gasification by means of palladium membranes

Fuel Processing Technology

Karl J (2008)

Distributed generation of substitute natural gas from biomass

Schuster A., Storch G., Karl J., Hauer A. (2007)

Innovative concepts for combined heat and power production with biogenous gases

ECOS 2007 - Proceedings of the 20th International Conference on Efficiency, Cost, Optimization, Simulation and Environmental Impact of Energy Systems

Hofmann Ph, Schweiger A, Fryda L, Panopoulos KD, Hohenwarter U, Ouweltjes JP, Karl J, Kakaras E (2007)

Results from planar SOFCs operated on hot cleaned gas derived from two experimental gasification facilities

Karellas S, Karl J (2007)

Analysis of the product gas from biomass gasification by means of laser spectroscopy

Optics and Lasers in Engineering

Schuster A, Karl J, Karellas S (2007)

Simulation of an innovative stand-alone solar desalination system using an organic rankine cycle

International Journal of Thermodynamics

Panopoulos KD, Fryda LE, Karl J, Poulou S, Kakaras E (2006)

High temperature solid oxide fuel cell integrated with novel allothermal biomass gasification. Part I: Modelling and feasibility study

Journal of Power Sources

Hein D, Karl J (2006)

5.2 Biomass conversion to heat and electricity

Frank N, Saule M, Karl J (2006)

Degradation of solid oxide fuel cells with wood

Panopoulos KD, Fryda L, Karl J, Poulou S, Kakaras E (2006)

High temperature solid oxide fuel cell integrated with novel allothermal biomass gasification. Part II: Exergy analysis

Journal of Power Sources

Karl J, Schuster A (2006)

Concepts for Combined Heat and Power with biogenous gases | Konzepte für die kraft-wärme-kopplung mit biogenen gasen

Gas und Wasserfach, Gas, Erdgas

Karl J, Frank N, Karellas S, Saule M, Hohenwarter U (2006)

Conversion of syngas from biomass in solid oxide fuel cells

Karl Jurgen (2006)

Facility for the gasification of carbon-containing feed materials

Saule M, Frank N, Hofmann P, Ouweltjes JP, Schweiger A, Karl J (2006)

Operation of Solid Oxide Fuel Cells with Syngas from Biomass

Karellas S, Karl J, Kakaras E (2006)

An innovative biomass gasification process and its coupling with microturbine and fuel cell systems

Karl J, Schuster a (2006)

Konzepte für die Kraft-Wärme-Kopplung mit biogenen Gasen

Gas und Wasserfach, Gas, Erdgas

Schuster A, Karellas S, Karl J (2006)

Innovative applications of organic rankine cycle

Karl J, Karellas S, Frank N, Spliethoff H (2005)

Highly efficient conversion of syngas from biomass gasification in Solid Oxide Fuel Cells

Karl J (2004)

Power generation from biomass in Munich

Fuel Cells Bulletin

Karellas S, Karl J, Metz T, Kuhn S (2004)

Use of the Raman spectroscopy for the analysis of the product gas from the allothermal biomass gasification

VDI-Berichte

Kautz M, Hansen U, Karl J (2004)

The externally fired gas turbine | Die extern gefeuerte gasturbine

DGMK Tagungsbericht

Karl J (2004)

Wirbelschichtvergasung-Stand der Technik

Karl J, Karellas S (2004)

Highly efficient SOFC systems with indirect gasification

Karl J, Karellas S, Kuhn S, Metz T (2004)

Generation of synthesis gas with the biomass heatpipe reformer. Operating experiences and output limits | Erzeugung von synthesegas mit dem biomass heatpipe reformer -Betriebserfahrungen und leistungsgrenzen

DGMK Tagungsbericht

Metz T, Kuhn S, Karellas S, Stocker R, Karl J, Hein D (2004)

Experimental results of the biomass heatpipe reformer

KARL J (2004)

Dezentrale Biomasse-und Reststoffvergasung: Erzeugung wasserstoffreicher Brenngase mit dem Heatpipe-Refomner

Euroheat and Power (English Edition)

Karl J, Karellas S, Kuhn S, Metz T (2004)

Erzeugung von Synthesegas mit dem Biomass Heatpipe Reformer--Betriebserfahrungen und Leistungsgrenzen

Karellas S, Raindl M, Karl J (2004)

Online optical analysis of the product gas from the gasification of biomass

VDI-Berichte

Goldbrunner M, Karl J, Hein D (2003)

Konzentrations-und Temperaturmessungen bei der Kondensation mit einem nichtkondensierbaren Gas mit Hilfe der linearen Ramanspektroskopie

Kerntechnik

Goldbrunner M, Karl J, Hein D (2003)

Concentration and temperature measurements by means of Raman spectroscopy in case of condensation with non-condensable gas

Kerntechnik

Ottmann M, Karl J, Hein D (2003)

Entwicklung fon Sonden zur "Online-Korrosionsmessung"

Stockar R, Karl J (2003)

Bestimmung verbrennungsrelevanter Größen in Flammen mit einem optimierten laseroptischen Messverfahren

VDI-Berichte

Ottmann M, Karl J, Hein D (2003)

Entwicklung von Sonden zur "Online-Korrosionsmessung"

VDI-Berichte

Goldbrunner M, Karl J, Hein D (2003)

Local phenomena in case of condensation at stratified flow with non condensable gases

Karl J, Brost Q, Metz T, Groll M, Hein D (2002)

Decentralized generation of heat and power by means of the Biomass Heatpipe Reformer

Stocker R, Karl J, Hein D (2001)

OH LIF in atmospheric pressure flames excited by a tunable OPO (Type II) laser system

Stocker R, Harlfinger J, Karl J, Hein D (2001)

Laseroptische Messungen an Erdgasflammen bei variabler Warmeabfuhr

VDI-Berichte

Karl J (2000)

DEVICE FOR THE GASIFICATION OF CARBONACEOUS FEEDSTOCK

Stocker R, Karl J, Hein D (2000)

Fluorescence spectroscopic measurements in methane/air and hydrogen/oxygen atmospheric pressure flames in the excitation wavelength range of 303 nm to 240 nm

Goldbrunner M, Karl J, Hein D (2000)

Experimental investigation of heat transfer phenomena during direct contact condensation in the presence of non condensable gas by means of linear raman spectroscopy

Goldbrunner M, Karl J, Hein D (2000)

Spontaneous condensation in boundary layers at stratified flow

Karl J, Ottmann M (2000)

Measuring water temperatures by means of linear Raman spectroscopy

Karl J (2000)

Spontaneous condensation in boundary layers

Heat and Mass Transfer

Karl J, Hein D (1999)

Effect of Spontaneous Condensation on Condensation Heat Transfer in the Presence of Non Condensable Gases

Hein D, Karl J, Ruile H (1998)

Transport phenomena and heat transfer with direct contact condensation

Kerntechnik

Karl Jürgen (1997)

Untersuchung des Wärmeübergangs bei der Partialkondensation mittels linearer Ramanspektroskopie

Karl J, Weiss T (1997)

Measurement of condensation heat transfer coefficients at stratified flow using linear raman spectroscopy

Journal of Flow Visualization and Image Processing

Karl J, Hein D (1997)

Measuring water temperature profiles at stratified flow by means of linear Raman spectroscopy