The pressure distribution across a flowing electrolyte - direct methanol fuel cell (FE-DMFC) stack was numerically evaluated using semi-empirical equations for friction and loss coefficients. The stack is considered to have “U” shape manifold design with parallel serpentine fuel channels. The flow is assumed to be laminar and the flow rate in each cell of the stack is determined using the Hardy-Cross method. The results show that, the mass flow rate of methanol is greater at the inlet and declines as the fuel travels further within the stack manifolds. It was further discovered that pressure drop inside the inlet manifolds increases with stack length while the pressure drop inside the individual cell channels tend to decrease with stack length. Finally, the stack power output is estimated by assuming single cell power outputs at various operating current densities and methanol inlet flow rates based on experimental data obtained from the literature.
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ASME 2011 9th International Conference on Fuel Cell Science, Engineering and Technology collocated with ASME 2011 5th International Conference on Energy Sustainability
August 7–10, 2011
Washington, DC, USA
Conference Sponsors:
- Advanced Energy Systems Division
ISBN:
978-0-7918-5469-3
PROCEEDINGS PAPER
Semi-Empirical Flow and Pressure Distribution Modeling of a Flowing Electrolyte Direct Methanol Fuel Cell Stack Available to Purchase
Yashar Kablou,
Yashar Kablou
Carleton University, Ottawa, ON, Canada
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Cynthia A. Cruickshank,
Cynthia A. Cruickshank
Carleton University, Ottawa, ON, Canada
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David Ouellette,
David Ouellette
Carleton University, Ottawa, ON, Canada
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Edgar Matida
Edgar Matida
Carleton University, Ottawa, ON, Canada
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Yashar Kablou
Carleton University, Ottawa, ON, Canada
Cynthia A. Cruickshank
Carleton University, Ottawa, ON, Canada
David Ouellette
Carleton University, Ottawa, ON, Canada
Edgar Matida
Carleton University, Ottawa, ON, Canada
Paper No:
FuelCell2011-54437, pp. 677-683; 7 pages
Published Online:
March 22, 2012
Citation
Kablou, Y, Cruickshank, CA, Ouellette, D, & Matida, E. "Semi-Empirical Flow and Pressure Distribution Modeling of a Flowing Electrolyte Direct Methanol Fuel Cell Stack." Proceedings of the ASME 2011 9th International Conference on Fuel Cell Science, Engineering and Technology collocated with ASME 2011 5th International Conference on Energy Sustainability. ASME 2011 9th International Conference on Fuel Cell Science, Engineering and Technology. Washington, DC, USA. August 7–10, 2011. pp. 677-683. ASME. https://doi.org/10.1115/FuelCell2011-54437
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