Person

Ismael Matino, Stefano Dettori, Amaia Sasian Conde, Valentina Colla, Alice Petrucciani, Antonella Zaccara, Vincenzo Iannino, Claudio Mocci, Alexander Hauser, Sebastian Kolb, Jürgen Karl, Philipp Wolf-Zoellner, Stéphane Haag, Michael Bampaou, Kyriakos Panopoulos, Eleni Heracleous, Nina Kieberger, Katharina Rechberger, Leokadia Róg, Przemysaw Rompalski (2023)

Hydrogen intensified synthesis processes to valorise process off-gases in integrated steelworks

Materiaux et Techniques

Feldner A, Markthaler S, Treiber P, Karl J (2023)

Katalytische und biologische Direktmethanisierung von Biogas im Rahmen der Forschungsprojekte Power-to-Biogas, FlexBiomethane und IntenseMethane

Wondra C, Treiber P, Karl J (2023)

Nachhaltige Prozesswärme: Konditionierung von biogenen Synthesegasen aus der Vergasung zur Nutzung in konventionellen Brennersystemen

Böge K, Karl J (2023)

Proof of Concept Calcination Kinetic in TGA and Fluidised Bed Reactor

Böge K, Treiber P, Karl J (2023)

Reactor Development for IHCaL Technology

Weitzer M, Kolb S, Müller D, Karl J (2023)

REVERSIBLE HEAT PUMP-ORC PILOT PLANT – EXPERIMENTAL RESULTS AND FLUID CHARGE OPTIMIZATION

Feldner A, Treiber P, Karl J (2023)

Self-sufficient hydrogen production from biogas by reformingand CO combustion

Thomas Pircher, Peter Bazan, Nora Elhaus, Jonathan Fellerer, Reinhard German, Jürgen Karl, Sebastian Kolb, Thomas Kunz, Frank Opferkuch, Alexander Pilz-Lansley, Simon Reichenwallner, Karlheinz Ronge, Daniel Scharrer, Tassilo Schuster, Bastian Werner (2023)

Wasserstoff in der Metropolregion Nürnberg – Analyse der Kompetenzen, Chancen und Herausforderungen

Kolb S, Muller J, Luna-Jaspe N, Karl J (2022)

Renewable hydrogen imports for the German energy transition-A comparative life cycle assessment

Journal of Cleaner Production

Kolb S, Muller J, Luna-Jaspe N, Karl J (2022)

Renewable hydrogen imports for the German energy transition-A comparative life cycle assessment

Journal of Cleaner Production

Weitzer Maximilian, Mueller Dominik, Karl Juergen (2022)

Two-phase expansion processes in heat pump - ORC systems (Carnot batteries) with volumetric machines for enhanced off-design efficiency

Renewable Energy

Alexander Hauser, Michael Neubert, Alexander Feldner, Alexander Horn, Fabian Grimm, Jürgen Karl (2022)

Design and Implementation of an Additively Manufactured Reactor Concept for the Catalytic Methanation

Applied Sciences

Sebastian Kolb, Jakob Müller, Natalia Luna-Jaspe, Jürgen Karl (2022)

Renewable hydrogen imports for the German energy transition – A comparative life cycle assessment

Journal of Cleaner Production

Hauser Alexander, Wolf-Zoellner Philipp, Haag Stephane, Dettori Stefano, Tang Xiaoliang, Mighani Moein, Matino Ismael, Mocci Claudio, Colla Valentina, Kolb Sebastian, Bampaou Michael, Panopoulos Kyriakos, Kieberger Nina, Rechberger Katharina, Karl Juergen (2022)

Valorizing Steelworks Gases by Coupling Novel Methane and Methanol Synthesis Reactors with an Economic Hybrid Model Predictive Controller

Metals

Leimbach S, Lukas J, Kolb S, Yang L, Plankenbuhler T, Sega M, Harting J, Karl J (2022)

Early Detection of Agglomeration in Fluidized Beds by Means ofFrequency Analysis of Pressure Fluctuations

Energy & Fuels

Steffen Leimbach, Johannes Lukas, Sebastian Kolb, Lei Yang, Thomas Plankenbühler, Marcello Sega, Jens Harting, Jürgen Karl (2022)

Early Detection of Agglomeration in Fluidized Beds by Means of Frequency Analysis of Pressure Fluctuations

Energy & Fuels

Tanja Schneider, Dominik Müller, Jürgen Karl (2022)

Effect of Natural Ilmenite on the Solid Biomass Conversion of Inhomogeneous Fuels in Small-Scale Bubbling Fluidized Beds

Energies

Tanja Schneider, Julian Moffitt, Nicklas Volz, Dominik Müller, Jürgen Karl (2022)

Long-term effects of ilmenite on a micro-scale bubbling fluidized bed combined heat and power pilot plant for oxygen carrier aided combustion of wood

Applied Energy

Simon Markthaler, Thomas Plankenbühler, Jonas Miederer, Sebastian Kolb, Katharina Herkendell, Jürgen Karl (2022)

Combined Two-Model CFD Simulation of Trickle Bed Reactors with Head-Sump Extension: Case Study on Hydrodynamics and Biological Methanation

Industrial & Engineering Chemistry Research

Maximilian Weitzer, Dominik Müller, Daniel Steger, Antonios Charalampidis, Sotirios Karellas, Jürgen Karl (2022)

Organic flash cycles in Rankine-based Carnot batteries with large storage temperature spreads

Energy Conversion and Management

Yang Lei, Sega Marcello, Leimbach Steffen, Kolb Sebastian, Karl Juergen, Harting Jens (2022)

Capillary Interactions, Aggregate Formation, and the Rheology of Particle-Laden Flows: A Lattice Boltzmann Study

Industrial & Engineering Chemistry Research

Schneider T., Müller D., Karl J. (2022)

Effect of Natural Ilmenite on the Solid Biomass Conversion of Inhomogeneous Fuels in Small‐Scale Bubbling Fluidized Beds

Energies

Weitzer M., Müller D., Karl J. (2022)

Two-phase expansion processes in heat pump – ORC systems (Carnot batteries) with volumetric machines for enhanced off-design efficiency

Renewable Energy

Yixing Li, Yin Pang, Hengyong Tu, Federica Torrigino, Serge M.A. Biollaz, Zhuo Li, Yanqin Huang, Xiuli Yin, Fabian Grimm, Jürgen Karl (2021)

Impact of syngas from biomass gasification on solid oxide fuel cells: A review study for the energy transition

Energy Conversion and Management

Kolb S, Planenbühler T, Hofmann K, Bergerson J, Karl J (2021)

Life cycle greenhouse gas emissions of renewable gas technologies: A comparative review

Renewable and Sustainable Energy Reviews

Schneider T, Krumrein J, Müller D, Karl J (2021)

Investigation of the Oxygen Supply and Distribution in a Bubbling Fluidized Bed by Using Natural Ilmenite for Oxygen Carrier Aided

Energy & Fuels

Hauser A, Weitzer M, Gunsch S, Neubert M, Karl J (2021)

Dynamic hydrogen-intensified methanation of synthetic by-product gases from steelworks

Fuel Processing Technology

Schneider T, Ruf F, Müller D, Karl J (2021)

Performance of a fluidized bed-fired Stirling engine as micro-scale combined heat and power system on wood pellets

Applied Thermal Engineering

Thema M, Weidlich T, Kaul A, Böllmann A, Huber H, Bellack A, Karl J, Sterner M (2021)

Optimized biological CO2-methanation with a pure culture of thermophilic methanogenic archaea in a trickle-bed reactor.

Bioresource Technology

Eppinger B., Steger D., Regensburger C., Karl J., Schlücker E., Will S. (2021)

Carnot battery: Simulation and design of a reversible heat pump-organic Rankine cycle pilot plant

Applied Energy

Sebastian Kolb, Thomas Plankenbühler, Jonas Frank, Johannes Dettelbacher, Ralf Ludwig, Jürgen Karl, Marius Dillig (2021)

Scenarios for the integration of renewable gases into the German natural gas market – A simulation-based optimisation approach

Renewable & Sustainable Energy Reviews

Kalu A, Vrzel J, Kolb S, Karl J, Marzahn P, Pfaffenberger F, Ludwig R (2021)

Considering the Environmental Impacts of BioenergyTechnologies to Support German Energy Transition

Energies

Weitzer M, Müller D, Karl J (2021)

Advanced Organic Rankine Cycles for thermally integrated Carnot Batteries

Wondra C, Karl J (2021)

Determination of flammability limits and laminar flame velocity of biogenic synthtesis gases

Markthaler S, Grimm F, Karl J (2021)

Direct catalytic methanation of Biogas (DMB): From laboratory experiments to demonstration scale

Miederer J, Markthaler S, Kolb S, Karl J (2021)

Enhancement of catalytic direct methanation for application in wastewater treatment plants

Karl J (2021)

Experiences of fermentation of real syngas to methane

Markthaler S, Grimm F, Karl J (2021)

Experimentelle Untersuchung zur Katalysatordeaktivierung und zur Leistungsfähigkeit eines zweistufigen Methanisierungssystems für die Dirketmethanisierung von Biogas

Lange C, Müller D, Karl J (2021)

High Temperature CaO/CaCO3-Storage for Flexible Steam Power Plants

Stegner D, Karl J, Schlücker E (2021)

Launch and fird experimental results of a reversible heat pump-orc pilot plant as carnot battery

Vincenzo Iannino, Valentina Colla, Claudio Mocci, Ismael Matino, Stefano Dettori, Sebastian Kolb, Thomas Plankenbühler, Jürgen Karl (2021)

Multi-agent systems to improve efficiency in steelworks

Materiaux et Techniques

Weitzer M, Müller D, Karl J (2021)

Reduktion der Emissionen und Steigerung der Effizienz eines KWK Pelletkessels durch Primärmaßnahmen

Li Y, Grimm F, Neubert M, Treiber P, Karl J (2021)

The impact of tar contaminants on SOFC performance under high fuel utilization condition

Torrigino F, Grimm F, Karl J (2021)

Utilization of wood gas in SOFC stacks

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

Kolb S, Plankenbühler T, Neubert M, Karl J (2020)

Erneuerbare Gase für das Energiesystem der Zukunft

gwf: Gas+Energie

Sebastian Kolb, Marius Dillig, Thomas Plankenbühler, Jürgen Karl (2020)

The impact of renewables on electricity prices in Germany - An update for the years 2014–2018

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

Eppinger B., Zigan L., Karl J., Will S. (2020)

Pumped thermal energy storage with heat pump-ORC-systems: Comparison of latent and sensible thermal storages for various fluids

Applied Energy

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

Kolb S, Dillig M, Plankenbühler T, Karl J (2020)

The impact of renewables on electricity prices in Germany - An update for the years 2014–2018

Renewable and Sustainable Energy Reviews

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

Weitzer M, Karl J (2020)

Development of a pellet boiler for micro-CHP with an organic Rankine cycle

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

Gatternig B., Karl J. (2019)

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

International Journal of Ambient Energy

Pang Y, Müller D, Karl J (2019)

A Review Study on Chinese Domestic Gasification Technologies

Schneider T, Müller D, Karl J (2019)

BioWasteStirling - Langzeitbetriebserfahrungen mit einem wirbelschichtgefeuerten Stirlingmotor für die kleinskaligen KWK

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

Hauser A, Weitzer M, Neubert M, Karl J (2019)

Die wasserstoffintensivierte Methansynthese als Möglichkeit der stofflichen Verwertung von Kuppelgasen der Stahlindustrie – das Projekt i³upgrade

Trabold T, Weidlich T, Karl J (2019)

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

Hauser A, Weitzer M, Gunsch S, Neubert M, Karl J (2019)

Dynamic methanation of by-product gases from the steel industry in the scope of the project i³upgrade

Karl J (2019)

Indirect heating of bubbling fluidized beds by means of liquid metal heat pipes

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, Hammer T, Müller D, Karl J (2019)

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

Processes

Schneider T, Müller D, Karl J (2019)

Kleinskalige KWK mit einem wirbelschichtgefeuerten Stirlingmotor zur Verstromung von biogenen Reststoffen

Schneider T, Müller D, Karl J (2019)

Long-term operation experience of a fluidized bed-fired Stirling engine in micro-scale CHP

Hauser A, Neubert M, Karl J (2019)

Methanisierung von kohlenstoffreichen Kuppelgasen der Stahlindustrie – das Projekt i³upgrade

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

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

Plasma-gestützte Biomassevergasung mit Fokus auf Konversionsgrad und Reaktionskinetik

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

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

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

Kolb S, Plankenbühler T, Dillig M, Karl j (2019)

Scenarios for the Integration of Renewable Gases into the German Gas Market: A simulation based Optimisation Approach

Li Y, Karl J (2019)

SOFC single cells fed with wood gas: The influence of tar contaminants on cell performance

Karl J (2019)

Some thoughts on the future of Bioenergy: Do (Why) we need Bioenergy

Trabold T, Weidlich T, Karl J (2019)

Tars and Inhibition of Biological Methanation Using Synthesis Gas of an Allothermal Wood Gasifier

Weidlich T, Trabold T, Neubert M, Treiber P, Karl J (2019)

Trickle-Bed Reactor For Biological Methanation

Weidlich T, Trabold T, Neubert M, Treiber P, Karl J (2019)

Trickle-Bed Reactor for Biological Methanation

Weidlich T, Trabold T, Thema M, Sterner M, Karl J (2019)

Trickle-Bed Reactor For Biological Methanation

Neubert M, Hauser A, Treiber P, Karl J (2019)

Vorschlag einer katalytischen Methanisierung für kleinskalige dezentrale SNG Erzeugung

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

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

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

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

Properties of Reversible Heatpump-ORC Energystorage Systems for Baseload Generation

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

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

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

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

Biological Methanation in a trickle-bed reactor

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

Biological Methanation in 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

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

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

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

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

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

Leimert J, Dillig M, Karl J (2018)

Hydrogen production from solid feedstock by using a nickel membrane reformer

Journal of Membrane Science

Kolb S, Dillig M, Karl J (2018)

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

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

Karl J (2018)

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

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

Kinetikuntersuchung einer NT-Plasma-gestützten Holzvergasung

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

Kleinskalige Wirbelschichtfeuerungen zur (Hochtemperatur-) Wärmebereitstellung

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

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

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

Partially Upgraded Biogas: Potential for Decentralized Utilization in Agricultural Machinery

Chemical Engineering & Technology

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

Plankenbühler T, Müller D, Karl J (2018)

Prediction of Slagging in Fluidized bed boilers. 1st Discussion Forum on fluidized bed technology

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

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

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

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

Herrmann T, Karl J, Schipke M (2018)

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

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

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

Schneider T, Müller D, Karl J (2018)

Verstromung von biogenen Reststoffen in einem wirbelschichtgefeuerten Stirlingmotor

Karl J (2018)

Zentral oder dezentral – Technologien für die Energiewende

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

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

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

Karl J (2017)

Aus der Forschung heraus erfolgreich gründen

Karl J (2017)

Balancing renewable energies - the European Challenge

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

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

VDI-Berichte

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

Biomassvergasung mittels nichtthermischen Plasmen im Fallrohrreaktor

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

Karl J (2017)

Diskussion, Zusammenfassung und Ausblick

Leimert J, Karl J, Dillig M (2017)

Dry Reforming of Methane Using a Nickel Membrane Reactor

Processes

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, Karl J (2017)

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

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

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)

Performance and efficiency of the Heatpipe Reformer gasification system

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

Performance of a 100 kW Heatpipe Reformer operating on Lignite

Energy & Fuels

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

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

Plankenbühler T, Müller D, Karl J (2017)

Slagging prevention and plant optimization by means of numerical simulation

Neubert M, Dillig M, Karl J (2017)

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

Karl J (2017)

Zentral oder dezentral – Technologien für die Energiewende

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

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

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

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

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)

Einsatz von Nickelmembranen zur in-situ Wasserstoffabtrennung im Heatpipe Reformer

Leimert J, Karl J (2016)

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

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

Müller D, Karl J (2016)

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

Leimert J., Karl J. (2016)

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

International Journal of Hydrogen Energy

Plankenbühler Th, Müller D, Karl J (2016)

Numerical simulation and experimental investigation of slagging in biomass combustion

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

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, Treiber P, Karl J (2016)

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

Fuel Processing Technology

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

Müller D, Karl J (2015)

Bestimmung der Wärmeentbindung in biomassegefeuerten Wirbelschichten

Müller D, Karl J (2015)

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

Hoeftberger D, Karl J (2015)

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

Dillig M, Karl J (2015)

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

BWK Das Energie Fachmagazin

Leimert J, Karl J (2015)

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

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

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

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

Karl J (2015)

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

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 - A Concept with Heat Pipe Heat Exchanger

Hoeftberger D, Karl J (2015)

The Indirectly Heated Carbonate Looping Process for CO2 Capture

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

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

Leimert J, Karl J (2014)

Herstellung von Wasserstoff auf Basis der Heatpipe Reformer Technologie

Plankenbühler T, Karl J (2014)

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

Dillig M, Karl J (2014)

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

Hoeftberger D (2013)

Self-Fluidization in an Indirectly Heated Calciner

Chemical Engineering & Technology

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

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

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

Fuel

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

Plankenbühler T, Karl J (2013)

Erweiterung des Brennstoffbandes moderner Biomassefeuerungen

Reschmeier R, Karl J (2013)

Kinetik der Pyrolyse von Holzwürfeln in Wirbelschichten

Karl J (2013)

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

ReSource

Baumhakl C, Karl J (2013)

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

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

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

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

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

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

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

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, Kienberger T, Karl J (2011)

Transient operation effects of SOFCs driven with tar loaded synthesis gas

Hauth M, Karl J (2010)

Entwicklungsstand innovativer SOFC Systeme zur dezentralen Energiebereitstellung

Karl J (2010)

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

Kienberger T, Karl J (2010)

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

Karl J (2010)

Technische Grundlagen der Kraft-Wärme-Kopplung

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

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

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 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

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

Karl J (2008)

Distributed generation of substitute natural gas from biomass

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

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., 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

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

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)

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

Frank N, Saule M, Karl J (2006)

Degradation of solid oxide fuel cells with wood

Karl Jurgen (2006)

Facility for the gasification of carbon-containing feed materials

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

Schuster A, Karellas S, Karl J (2006)

Innovative applications of organic rankine cycle

Karl J, Schuster a (2006)

Konzepte für die Kraft-Wärme-Kopplung mit biogenen Gasen

Gas und Wasserfach, Gas, Erdgas

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

Operation of Solid Oxide Fuel Cells with Syngas from Biomass

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

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

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

Experimental results of the biomass heatpipe reformer

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

Karl J, Karellas S (2004)

Highly efficient SOFC systems with indirect gasification

Karellas S, Raindl M, Karl J (2004)

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

VDI-Berichte

Kautz M, Hansen U, Karl J (2004)

The externally fired gas turbine | Die extern gefeuerte gasturbine

DGMK Tagungsbericht

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

Karl J (2004)

Wirbelschichtvergasung-Stand der Technik

Stockar R, Karl J (2003)

Bestimmung verbrennungsrelevanter Größen in Flammen mit einem optimierten laseroptischen Messverfahren

VDI-Berichte

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"

Ottmann M, Karl J, Hein D (2003)

Entwicklung von Sonden zur "Online-Korrosionsmessung"

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)

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

Laseroptische Messungen an Erdgasflammen bei variabler Warmeabfuhr

VDI-Berichte

Stocker R, Karl J, Hein D (2001)

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

Karl J (2000)

DEVICE FOR THE GASIFICATION OF CARBONACEOUS FEEDSTOCK

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

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

Karl J, Ottmann M (2000)

Measuring water temperatures by means of linear Raman spectroscopy

Goldbrunner M, Karl J, Hein D (2000)

Spontaneous condensation in boundary layers at stratified flow

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 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

Karl Jürgen (1997)

Untersuchung des Wärmeübergangs bei der Partialkondensation mittels linearer Ramanspektroskopie

Prof. Dr. Jürgen Karl

Publications