Search Results - "KAER, Søren Knudsen"

System Modeling and Validation of a Thermoelectric Fluidic Power Source: Proton Exchange Membrane Fuel Cell and Thermoelectric Generator (PEMFC-TEG) by Chen, Min, Andreasen, Søren Juhl, Rosendahl, Lasse, Kær, Søren Knudsen, Condra, Thomas

“…To facilitate the co-design and co-optimization of fluid or combustion systems and thermoelectric devices, a three-dimensional (3D) thermoelectric generator…”
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Towards uniformly distributed heat, mass and charge: A flow field design study for high pressure and high current density operation of PEM electrolysis cells by Olesen, Anders Christian, Frensch, Steffen Henrik, Kær, Søren Knudsen

“…In this work, a state-of-the-art, full-scale, Proton Exchange Membrane (PEM) electrolysis cell model is presented. The developed three-dimensional (3D) model…”
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Modelling the motion of cylindrical particles in a nonuniform flow by Yin, Chungen, Rosendahl, Lasse, Knudsen Kær, Søren, Sørensen, Henrik

“…The models currently used in computational fluid dynamics codes to predict solid fuel combustion rely on a spherical shape assumption. Cylinders and disks…”
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A comprehensive review of PBI-based high temperature PEM fuel cells by Araya, Samuel Simon, Zhou, Fan, Liso, Vincenzo, Sahlin, Simon Lennart, Vang, Jakob Rabjerg, Thomas, Sobi, Gao, Xin, Jeppesen, Christian, Kær, Søren Knudsen

“…The current status on the understanding of the various operational aspects of high temperature proton exchange membrane fuel cells (HT-PEMFC) has been…”
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On the complex ageing characteristics of high-power LiFePO4/graphite battery cells cycled with high charge and discharge currents by Groot, Jens, Swierczynski, Maciej, Stan, Ana Irina, Kær, Søren Knudsen

“…Li-ion batteries are known to undergo complex ageing processes, where the operating conditions have a profound and non-linear effect on both calendar life and…”
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Energy management strategy based on short-term generation scheduling for a renewable microgrid using a hydrogen storage system by Cau, Giorgio, Cocco, Daniele, Petrollese, Mario, Knudsen Kær, Søren, Milan, Christian

“…•Energy management strategy for hybrid stand-alone power plant with hydrogen storage.•Optimal scheduling of storage devices to minimize the utilization…”
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Long-term contamination effect of iron ions on cell performance degradation of proton exchange membrane water electrolyser by Li, Na, Araya, Samuel Simon, Kær, Søren Knudsen

“…It is known that impurities, especially metal ions in feed water, can cause significant performance degradation of proton exchange membrane water electrolyser…”
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A detailed pyrolysis model for a thermally large biomass particle by Li, Xiyan, Yin, Chungen, Knudsen Kær, Søren, Condra, Thomas

“…Pyrolysis of a single biomass pellet involves multiple processes, such as evaporation, decomposition, flow field changes, shrinking or swelling. These…”
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Thermodynamic analysis of steam reforming and oxidative steam reforming of propane and butane for hydrogen production by Cui, Xiaoti, Kær, Søren Knudsen

“…Thermodynamic analyses of cracking, partial oxidation (POX), steam reforming (SR) and oxidative steam reforming (OSR) of butane and propane (for comparison)…”
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Model-supported characterization of a PEM water electrolysis cell for the effect of compression by Frensch, Steffen Henrik, Olesen, Anders Christian, Araya, Samuel Simon, Kær, Søren Knudsen

“…This paper investigates the influence of the cell compression of a PEM water electrolysis cell. A small single cell is therefore electrochemically analyzed by…”
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The effect of Fe3+ contamination in feed water on proton exchange membrane electrolyzer performance by Li, Na, Araya, Samuel Simon, Kær, Søren Knudsen

“…The effect of ferric ions on cell performance of proton exchange membrane water electrolyzer (PEM WE) was studied by injecting Fe2 (SO4)3 solution into DI…”
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A numerical study of the gas-liquid, two-phase flow maldistribution in the anode of a high pressure PEM water electrolysis cell by Olesen, Anders Christian, Rømer, Carsten, Kær, Søren Knudsen

“…In this work, the use of a circular-planar, interdigitated flow field for the anode of a high pressure proton exchange membrane (PEM) water electrolysis cell…”
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The disordering-enhanced performances of the Al-MOF/graphene composite anodes for lithium ion batteries by Gao, Chengwei, Wang, Peixing, Wang, Zhaoyang, Kær, Søren Knudsen, Zhang, Yanfei, Yue, Yuanzheng

“…The metal-organic frameworks (MOFs) have gained considerable attention owing to their unique structures with tunable three-dimensional porous frameworks and…”
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Thermal modeling and temperature control of a PEM fuel cell system for forklift applications by Liso, Vincenzo, Nielsen, Mads Pagh, Kær, Søren Knudsen, Mortensen, Henrik H.

“…Temperature changes in PEM fuel cell stacks are considerably higher during load variations and have a negative impact as they generate thermal stresses and…”
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A Review of The Methanol Economy: The Fuel Cell Route by Simon Araya, Samuel, Liso, Vincenzo, Cui, Xiaoti, Li, Na, Zhu, Jimin, Sahlin, Simon Lennart, Jensen, Søren Højgaard, Nielsen, Mads Pagh, Kær, Søren Knudsen

“…This review presents methanol as a potential renewable alternative to fossil fuels in the fight against climate change. It explores the renewable ways of…”
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Impact of iron and hydrogen peroxide on membrane degradation for polymer electrolyte membrane water electrolysis: Computational and experimental investigation on fluoride emission by Frensch, Steffen Henrik, Serre, Guillaume, Fouda-Onana, Frédéric, Jensen, Henriette Casper, Christensen, Morten Lykkegaard, Araya, Samuel Simon, Kær, Søren Knudsen

“…Polymer electrolyte membrane (PEM) degradation in electrolysis mode is simulated through a Fenton model that includes all major involved electrochemical…”
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In-situ experimental characterization of the clamping pressure effects on low temperature polymer electrolyte membrane electrolysis by Al Shakhshir, Saher, Cui, Xiaoti, Frensch, Steffen, Kær, Søren Knudsen

“…The recent acceleration in hydrogen production's R&D will lead the energy transition. Low temperature polymer electrolyte membrane electrolysis (LT-PEME) is…”
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An Electrical Equivalent Circuit Model of a Lithium Titanate Oxide Battery by Madani, Seyed, Schaltz, Erik, Knudsen Kær, Søren

“…A precise lithium-ion battery model is required to specify their appropriateness for different applications and to study their dynamic behavior. In addition,…”
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A Thermodynamic Analysis of an Air-Cooled Proton Exchange Membrane Fuel Cell Operated in Different Climate Regions by Berning, Torsten, Knudsen Kær, Søren

“…A fundamental thermodynamic analysis of an air-cooled fuel cell, where the reactant air stream is also the coolant stream, is presented. The adiabatic cell…”
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Performance comparison between partial oxidation and methane steam reforming processes for solid oxide fuel cell (SOFC) micro combined heat and power (CHP) system by Liso, Vincenzo, Olesen, Anders Christian, Nielsen, Mads Pagh, Kær, Søren Knudsen

“…The aim of this research work is to describe in qualitative and quantitative form the performance of a micro Combined Heat and Power system for residential…”
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