• Pontoppidanstræde 111, 1-129

    9220 Aalborg Ø

    Denmark

19972021
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Research Output 1997 2020

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Journal article
2003
96 Citations (Scopus)

Modelling the motion of cylindrical particles in a nonuniform flow

Yin, C., Rosendahl, L. A., Kær, S. K. & Sørensen, H., 2003, In : Chemical Engineering Science. 18, 15, p. 3489-3498

Research output: Contribution to journalJournal articleResearchpeer-review

2004
94 Citations (Scopus)

Numerical modelling of a straw-fired grate boiler

Kær, S. K., 2004, In : Fuel. 83, 9, p. 1183-1190

Research output: Contribution to journalJournal articleResearchpeer-review

Straw
Dynamic analysis
Boilers
Computational fluid dynamics
Coal Ash
73 Citations (Scopus)

Use of numerical modeling in design for co-firing biomass in wall-fired burners

Yin, C., Rosendahl, L. A., Kær, S. K. & Condra, T. J., 2004, In : Chemical Engineering Science. 59, 16, p. 3281-3292

Research output: Contribution to journalJournal articleResearchpeer-review

Fuel burners
Biomass
Drag
Gases
Boiler firing
2005
51 Citations (Scopus)

Straw combustion on slow-moving grates: a comparison of model predictions with experimental data

Kær, S. K., 2005, In : Biomass & Bioenergy. 28, 3, p. 307-320 13 p.

Research output: Contribution to journalJournal articleResearchpeer-review

Straw
combustion
straw
prediction
Boilers
2006
120 Citations (Scopus)

Experimental characterization and modeling of commercial polybenzimidazole-based MEA performance

Korsgaard, A., Refshauge, R. H., Nielsen, M. P., Bang, M. & Kær, S. K., 2006, In : Journal of Power Sources. 162, 1, p. 239-245 7 p.

Research output: Contribution to journalJournal articleResearchpeer-review

polybenzimidazole
fuel cells
stoichiometry
assembly
cathodes
55 Citations (Scopus)

Towards a CFD-based mechanistic deposit formation model for straw-fired boilers

Kær, S. K., Rosendahl, L. A. & Baxter, L. L., 2006, In : Fuel. 84, 5-6, p. 833-848 15 p.

Research output: Contribution to journalJournal articleResearch

Straw
Boilers
Computational fluid dynamics
Deposits
Ashes
2007
25 Citations (Scopus)

Physical characterization of biomass fuels prepared for suspension firing in utility boilers for CFD modelling

Rosendahl, L., Yin, C., Kær, S. K., Friborg, K. & Overgaard, P., 2007, In : Biomass & Bioenergy. 31, 5, p. 318-325 8 p.

Research output: Contribution to journalJournal articleResearchpeer-review

biofuels
Boilers
Computational fluid dynamics
Biomass
Straw
2008
47 Citations (Scopus)
2 Downloads (Pure)

Directly connected series coupled HTPEM fuel cell stacks to a Li-ion battery DC bus for a fuel cell electrical vehicle

Andreasen, S. J., Ashworth, L., Remón, I. N. & Kær, S. K., 28 Nov 2008, In : International Journal of Hydrogen Energy. 33, 23, p. 7137-7145 9 p.

Research output: Contribution to journalJournal articleResearchpeer-review

Proton exchange membrane fuel cells (PEMFC)
fuel cells
electric batteries
Fuel cells
vehicles
5 Citations (Scopus)
655 Downloads (Pure)

Experimental Evaluation of a Pt-based Heat Exchanger Methanol Reformer for a HTPEM Fuel Cell Stack

Andreasen, S. J., Kær, S. K. & Nielsen, M. P., 2008, In : ECS Transactions. 12, 1, p. 571-578 8 p.

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access
File
Heat exchangers
Fuel cells
Methanol
Hydrogen
Reforming reactions
313 Citations (Scopus)
3380 Downloads (Pure)

Grate-firing of biomass for heat and power production

Yin, C., Rosendahl, L. & Kær, S. K., 2008, In : Progress in Energy and Combustion Science. 34, 6, p. 725-754 30 p.

Research output: Contribution to journalJournal articleResearchpeer-review

Biomass
Boilers
Boiler firing
Fluidized bed combustion
Hot Temperature
112 Citations (Scopus)
3621 Downloads (Pure)

Mathematical modeling and experimental study of biomass combustion in a thermal 108 MW grate-fired boiler

Yin, C., Rosendahl, L., Kær, S. K., Clausen, S., L. Hvid, S. & Hille, T., 2008, In : Energy & Fuels. 22, 2, p. 1380-1390 11 p.

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access
File
Boilers
Biomass
Computational fluid dynamics
Furnaces
Boundary conditions
70 Citations (Scopus)

Modelling and Evaluation of Heating Strategies for High Temperature Polymer Electrolyte Membrane Fuel Cell Stacks

Andreasen, S. J. & Kær, S. K., 7 Sep 2008, In : International Journal of Hydrogen Energy. 33, 17, p. 4655-4664 10 p.

Research output: Contribution to journalJournal articleResearchpeer-review

Proton exchange membrane fuel cells (PEMFC)
fuel cells
Fuel cells
electrolytes
membranes
59 Citations (Scopus)
507 Downloads (Pure)

Part one: a novel model of HTPEM-based micro-combined heat and power fuel cell system

Nielsen, M. P., Kær, S. K. & Korsgaard, A., 2008, In : International Journal of Hydrogen Energy. 33, 7, p. 1909-1920 12 p.

Research output: Contribution to journalJournal articleResearchpeer-review

fuel cells
Fuel cells
Ion exchange
Protons
Steam reforming
38 Citations (Scopus)
427 Downloads (Pure)

Part two: control of a novel HTPEM-based micro combined heat and power fuel cell system

Nielsen, M. P., Kær, S. K. & Korsgaard, A., 2008, In : International Journal of Hydrogen Energy. 33, 7, p. 1921-1931 11 p.

Research output: Contribution to journalJournal articleResearchpeer-review

fuel cells
Fuel cells
heat
electricity
Electricity
2009
29 Citations (Scopus)

A Computational Analysis of Multiphase Flow Through PEMFC Cathode Porous Media Using the Multifluid Approach

Berning, T., Odgaard, M. & Kær, S. K., 14 Sep 2009, In : Journal of the Electrochemical Society. 156, 11, p. B1301-B1311 11 p.

Research output: Contribution to journalJournal articleResearchpeer-review

62 Citations (Scopus)
3 Downloads (Pure)

Characterisation and Modelling of a High Temperature PEM Fuel Cell Stack using Electrochemical Impedance Spectroscopy

Andreasen, S. J., Jespersen, J. L., Schaltz, E. & Kær, S. K., 2009, In : Fuel Cells. 9, 4, p. 463-473

Research output: Contribution to journalJournal articleResearchpeer-review

Electrochemical impedance spectroscopy
Fuel cells
Temperature
Equivalent circuits
Data acquisition
26 Citations (Scopus)
296 Downloads (Pure)

Dynamic Model of the High Temperature Proton Exchange Membrane Fuel Cell Stack Temperature

Andreasen, S. J. & Kær, S. K., 12 Aug 2009, In : Journal of Fuel Cell Science and Technology. 6, 4, p. 041006-1-041006-8 8 p.

Research output: Contribution to journalJournal articleResearchpeer-review

Proton exchange membrane fuel cells (PEMFC)
Dynamic models
Fuel cells
Temperature
Cathodes
80 Citations (Scopus)

Electrochemical characterization of a polybenzimidazole-based high temperature proton exchange membrane unit cell

Jespersen, J. L., Schaltz, E. & Kær, S. K., 2009, In : Journal of Power Sources. 91, 2, p. 289-296

Research output: Contribution to journalJournal articleResearchpeer-review

polybenzimidazole
Protons
Ion exchange
Stoichiometry
impedance
8 Citations (Scopus)

Operation strategy for solid oxide fuel cell systems for small-scale stationary applications

Liso, V., Nielsen, M. P. & Kær, S. K., 2009, In : International Journal of Green Energy. 6, 6, p. 583-593 11 p.

Research output: Contribution to journalJournal articleResearchpeer-review

2010
37 Citations (Scopus)
297 Downloads (Pure)

A study of multi-phase flow through the cathode side of an interdigitated flow field using a multi-fluid model

Berning, T., Odgaard, M. & Kær, S. K., Feb 2010, In : Journal of Power Sources. 195, 15, p. 4842-4852 11 p.

Research output: Contribution to journalJournal articleResearchpeer-review

multiphase flow
Multiphase flow
Flow fields
flow distribution
Cathodes
65 Citations (Scopus)

Co-firing straw with coal in a swirl-stabilized dual-feed burner: modelling and experimental validation

Yin, C., Kær, S. K., Rosendahl, L. & Hvid, S. L., 2010, In : Bioresource Technology. 101, 11, p. 4169-4178 10 p.

Research output: Contribution to journalJournal articleResearchpeer-review

Coal
Straw
Fuel burners
straw
coal
21 Citations (Scopus)

Flow and Pressure Distribution in Fuel Cell Manifolds

Lebæk, J., Bang, M. & Kær, S. K., Aug 2010, In : Journal of Fuel Cell Science and Technology. 7, 6, p. 061001-1 - 061001-8 8 p.

Research output: Contribution to journalJournal articleResearchpeer-review

Pressure distribution
Fuel cells
Pressure gages
Cathodes
Air
146 Citations (Scopus)

New weighted sum of gray gases model applicable to Computational Fluid Dynamics (CFD) modeling of oxy-fuel combustion: Derivation, validation and implementation

Yin, C., Johansen, L. C. R., Rosendahl, L. & Kær, S. K., 2010, In : Energy & Fuels. 24, 12, p. 6275-6282 8 p.

Research output: Contribution to journalJournal articleResearchpeer-review

Computational fluid dynamics
Gases
Furnaces
Air
Gas mixtures
23 Citations (Scopus)

Particle Image Velocimetry and Computational Fluid Dynamics Analysis of Fuel Cell Manifold

Lebæk, J., Blazniak Andreasen, M., Andresen, H. A., Bang, M. & Kær, S. K., Jun 2010, In : Journal of Fuel Cell Science and Technology. 7, 3, p. 031001-1 - 031001-10 10 p.

Research output: Contribution to journalJournal articleResearchpeer-review

Velocity measurement
Dynamic analysis
Fuel cells
Computational fluid dynamics
Pipe flow
26 Citations (Scopus)

Quantification of in situ temperature measurements on a PBI-based high temperature PEMFC unit cell

Lebæk, J., Ali, S. T., Møller, P., Mathiasen, C., Nielsen, L. P. & Kær, S. K., Sep 2010, In : International Journal of Hydrogen Energy. 35, 18, p. 9943-9953 11 p.

Research output: Contribution to journalJournal articleResearchpeer-review

Proton exchange membrane fuel cells (PEMFC)
Temperature measurement
fuel cells
temperature measurement
anodes
41 Citations (Scopus)
3 Downloads (Pure)

System modeling and validation of a thermoelectric fluidic power source: Proton Exchange Membrane Fuel Cell and Thermoelectric Generator (PEMFC-TEG)

Chen, M., Andreasen, S. J., Rosendahl, L., Kær, S. K. & Condra, T., 2010, In : Journal of Electronic Materials. 39, 9, p. 1593 1600 p.

Research output: Contribution to journalJournal articleResearchpeer-review

19 Citations (Scopus)
717 Downloads (Pure)

Thin film thermocouples for in situ membrane electrode assembly temperature measurements in a polybenzimidazole-based high temperature proton exchange membrane unit cell

Talat Ali, S., Jespersen, J. L., Pleth Nielsen, L., Mathiasen, C., Møller, P. & Kær, S. K., Feb 2010, In : Journal of Power Sources. 195, 15, p. 4835-4841 7 p.

Research output: Contribution to journalJournal articleResearchpeer-review

polybenzimidazole
Kapton (trademark)
thermocouples
Thermocouples
Temperature measurement
2011
45 Citations (Scopus)

Analysis of the impact of Heat-to-Power Ratio for a SOFC-based mCHP system for residential application under different climate regions in Europe

Liso, V., Zhao, Y., Brandon, N., Nielsen, M. P. & Kær, S. K., 2011, In : International Journal of Hydrogen Energy. 36, 21, p. 13715-13726

Research output: Contribution to journalJournal articleResearchpeer-review

Solid oxide fuel cells (SOFC)
climate
heat
Space heating
electricity
6 Citations (Scopus)

Boundary model-based reference control of blower cooled high temperature polymer electrolyte membrane fuel cells

Jensen, H-C. B. & Kær, S. K., Apr 2011, In : International Journal of Hydrogen Energy. 36, 8, p. 5030-5037 8 p.

Research output: Contribution to journalJournal articleResearchpeer-review

blowers
Blowers
Proton exchange membrane fuel cells (PEMFC)
fuel cells
Fuel cells
81 Citations (Scopus)

Chemistry and radiation in oxy-fuel combustion: A computational fluid dynamics modeling study

Yin, C., Rosendahl, L. & Kær, S. K., Apr 2011, In : Fuel. 90, 7, p. 2519-2529 11 p.

Research output: Contribution to journalJournal articleResearchpeer-review

Computational fluid dynamics
Radiation
Furnace fuels
Computer simulation
Heat radiation
98 Citations (Scopus)

High Temperature PEM Fuel Cell Performance Characterisation with CO and CO2 using Electrochemical Impedance Spectroscopy

Andreasen, S. J., Vang, J. R. & Kær, S. K., 1 Aug 2011, In : International Journal of Hydrogen Energy. 36, 16, p. 9815-9830 16 p.

Research output: Contribution to journalJournal articleResearchpeer-review

Electrochemical impedance spectroscopy
fuel cells
Fuel cells
impedance
Anodes
2 Citations (Scopus)

Low stoichiometry operation of a polymer electrolyte membrane fuel cell employing the interdigitated flow field design

Berning, T., Odgaard, M. & Kær, S. K., Oct 2011, In : ECS Transactions. 41, 1, p. 1897-1908 12 p.

Research output: Contribution to journalJournal articleResearchpeer-review

Proton exchange membrane fuel cells (PEMFC)
Stoichiometry
Flow fields
Membranes
Anodes
61 Citations (Scopus)
Proton exchange membrane fuel cells (PEMFC)
Hot water heating
Space heating
Temperature
Fuel cells
59 Citations (Scopus)

Modeling and parametric study of a 1 kWe HT-PEMFC-based residential micro-CHP system

Arsalis, A., Nielsen, M. P. & Kær, S. K., Apr 2011, In : International Journal of Hydrogen Energy. 36, 8, p. 5010-5020 11 p.

Research output: Contribution to journalJournal articleResearchpeer-review

Proton exchange membrane fuel cells (PEMFC)
fuel cells
Fuel cells
membranes
protons

Modelling multiphase flow inside the porous media of a polymer electrolyte membrane fuel cell

Berning, T. & Kær, S. K., 2011, In : WIT Transactions on Engineering Sciences. 70, 6, p. 299-310 12 p.

Research output: Contribution to journalJournal articleResearchpeer-review

Multiphase flow
Proton exchange membrane fuel cells (PEMFC)
Porous materials
Aquaporins
Diffusion in gases
111 Citations (Scopus)
56 Downloads (Pure)

Performance comparison between partial oxidation and methane steam for SOFC micro-CHP systems

Liso, V., Olesen, A. C., Nielsen, M. P. & Kær, S. K., Jul 2011, In : Energy. 36, 7, p. 4216-4226 11 p.

Research output: Contribution to journalJournal articleResearchpeer-review

Solid oxide fuel cells (SOFC)
Methane
Steam
Steam reforming
Oxidation
32 Citations (Scopus)

Water balance simulations of a polymer-electrolyte membrane fuel cell using a two-fluid model

Berning, T., Odgaard, M. & Kær, S. K., 2011, In : Journal of Power Sources. 196, 15, p. 6305-6317 13 p.

Research output: Contribution to journalJournal articleResearchpeer-review

water balance
two fluid models
Proton exchange membrane fuel cells (PEMFC)
fuel cells
electrolytes
2012
12 Citations (Scopus)
2 Downloads (Pure)

Comparison of reynolds averaged navier stokes based simulation and large eddy simulation for one isothermal swirling flow

Yang, Y. & Kær, S. K., 2012, In : Journal of Thermal Science. 21, 2, p. 154-161 8 p.

Research output: Contribution to journalJournal articleResearchpeer-review

swirling
large eddy simulation
vortex breakdown
grids
simulation
23 Citations (Scopus)

Experimental Characterization of the Poisoning Effects of Methanol-Based Reformate Impurities on a PBI-Based High Temperature PEM Fuel Cell

Araya, S. S., Andreasen, S. J. & Kær, S. K., 24 Oct 2012, In : Energies. 5, 11, p. 4251-4267

Research output: Contribution to journalJournal articleResearchpeer-review

Fuel Cell
Impurities
Fuel cells
Methanol
Membrane
22 Citations (Scopus)

Investigating the effects of methanol-water vapor mixture on a PBI-based high temperature PEM fuel cell

Araya, S. S., Andreasen, S. J., Nielsen, H. V. & Kær, S. K., 2012, In : International Journal of Hydrogen Energy. 37, 23, p. 18231–18242 11 p.

Research output: Contribution to journalJournal articleResearchpeer-review

polybenzimidazole
Water vapor
fuel cells
water vapor
Fuel cells
23 Citations (Scopus)

Large-eddy simulations of the non-reactive flow in the Sydney swirl burner

Yang, Y. & Kær, S. K., 2012, In : International Journal of Heat and Fluid Flow. 36, p. 47-57

Research output: Contribution to journalJournal articleResearchpeer-review

swirling
Large eddy simulation
burners
large eddy simulation
Fuel burners
12 Citations (Scopus)

Low stoichiometry operation of a proton exchange membrane fuel cell employing the interdigitated flow field: A modeling study

Berning, T. & Kær, S. K., 2012, In : International Journal of Hydrogen Energy. 37, 10, p. 8477-8489 13 p.

Research output: Contribution to journalJournal articleResearchpeer-review

Proton exchange membrane fuel cells (PEMFC)
Stoichiometry
fuel cells
stoichiometry
Flow fields
41 Citations (Scopus)

Modeling and optimization of a 1 kWe HT-PEMFC-based micro-CHP residential system

Arsalis, A., Nielsen, M. P. & Kær, S. K., 1 Feb 2012, In : International Journal of Hydrogen Energy. 37, 3, p. 2470-2481 12 p.

Research output: Contribution to journalJournal articleResearchpeer-review

Proton exchange membrane fuel cells (PEMFC)
heat
optimization
reactors
Water gas shift
36 Citations (Scopus)

Numerical model of a thermoelectric generator with compact plate-fin heat exchanger for high temperature PEM fuel cell exhaust heat recovery

Xin, G., Andreasen, S. J., Chen, M. & Kær, S. K., May 2012, In : International Journal of Hydrogen Energy. 37, 10, p. 8490-8498 9 p.

Research output: Contribution to journalJournal articleResearchpeer-review

thermoelectric generators
fins
Waste heat utilization
heat exchangers
fuel cells
1 Citation (Scopus)

Numerical simulation of effect of catalyst wire-mesh pressure drop characteristics on flow distribution in catalytic parallel plate steam reformer

Sigurdsson, H. Ö. & Kær, S. K., Jun 2012, In : International Journal of Hydrogen Energy. 37, 12, p. 9485-9495 10 p.

Research output: Contribution to journalJournal articleResearchpeer-review

wire cloth
heat exchangers
pressure drop
parallel plates
steam
18 Citations (Scopus)
Coal
Straw
Fuel burners
Suspensions
Biomass
2013
21 Citations (Scopus)
Proton exchange membrane fuel cells (PEMFC)
Electricity
Temperature
Lead
Stirling engines
22 Citations (Scopus)

Comprehensive study of ignition and combustion of single wooden particles

Momenikouchaksaraei, M., Yin, C., Kær, S. K. & Hvid, S. L., 2013, In : Energy & Fuels. 27, 2, p. 1061-1072

Research output: Contribution to journalJournal articleResearchpeer-review

Ignition
Pulverized fuel
Biomass
Oxygen
Wood
36 Citations (Scopus)
454 Downloads (Pure)

Control and experimental characterization of a methanol reformer for a 350 W high temperature polymer electrolyte membrane fuel cell system

Andreasen, S. J., Kær, S. K. & Sahlin, S. L., 6 Feb 2013, In : International Journal of Hydrogen Energy. 38, 3, p. 1676-1684 9 p.

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access
File
Proton exchange membrane fuel cells (PEMFC)
fuel cells
Methanol
methyl alcohol
electrolytes