A new analytical approach is proposed for evaluating the in-plane permeability of gas diffusion layers (GDLs) of proton exchange membrane fuel cells. In this approach, the microstructure of carbon papers is modeled as a combination of equally-sized, equally-spaced fibers parallel and perpendicular to the flow direction. The permeability of the carbon paper is then estimated by a blend of the permeability of the two groups. Several blending techniques are investigated to find an optimum blend through comparisons with experimental data for GDLs. The proposed model captures the trends of experimental data over the entire range of GDL porosity. In addition, a compact relationship is reported that predicts the in-plane permeability of GDL as a function of porosity and the fiber diameter.
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ASME 2010 3rd Joint US-European Fluids Engineering Summer Meeting collocated with 8th International Conference on Nanochannels, Microchannels, and Minichannels
August 1–5, 2010
Montreal, Quebec, Canada
Conference Sponsors:
- Fluids Engineering Division
ISBN:
978-0-7918-4948-4
PROCEEDINGS PAPER
In-Plane Gas Permeability of Proton Exchange Membrane Fuel Cell Gas Diffusion Layers Available to Purchase
A. Tamayol,
A. Tamayol
Simon Fraser University, Surrey, BC, Canada
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M. Bahrami
M. Bahrami
Simon Fraser University, Surrey, BC, Canada
Search for other works by this author on:
A. Tamayol
Simon Fraser University, Surrey, BC, Canada
M. Bahrami
Simon Fraser University, Surrey, BC, Canada
Paper No:
FEDSM-ICNMM2010-30563, pp. 1241-1248; 8 pages
Published Online:
March 1, 2011
Citation
Tamayol, A, & Bahrami, M. "In-Plane Gas Permeability of Proton Exchange Membrane Fuel Cell Gas Diffusion Layers." Proceedings of the ASME 2010 3rd Joint US-European Fluids Engineering Summer Meeting collocated with 8th International Conference on Nanochannels, Microchannels, and Minichannels. ASME 2010 3rd Joint US-European Fluids Engineering Summer Meeting: Volume 1, Symposia – Parts A, B, and C. Montreal, Quebec, Canada. August 1–5, 2010. pp. 1241-1248. ASME. https://doi.org/10.1115/FEDSM-ICNMM2010-30563
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