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TECHNICAL PAPERS

Analysis of Flow Maldistribution of Fuel and Oxidant in a PEMFC

[+] Author and Article Information
Ganesh Mohan, B. Prabhakara Rao, Sarit K. Das

Heat Transfer and Thermal Power Laboratory, Department of Mechanical Engineering, Indian Institute of Technology Madras, Chennai 600 036, India

S. Pandiyan, N. Rajalakshmi, K. S. Dhathathreyan

SPIC Science Foundation, Chennai 600 032, India

J. Energy Resour. Technol 126(4), 262-270 (Dec 21, 2004) (9 pages) doi:10.1115/1.1789519 History: Received March 31, 2003; Revised February 24, 2004; Online December 21, 2004
Copyright © 2004 by ASME
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References

Figures

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Inlet and outlet ports arrangement in a Z-type PEMFC
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Schematic plots of port sections [inlet port (a) and outlet port (b)]
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(a) An example of a meshed geometry of 13-channel, PEMFC; (b) a section of the above meshed geometry zoomed for clarity
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Velocity vectors for air, hydrogen, or oxygen flow at 10 l/min in a 13-channel PEMFC (at low flow rates, all three fluids have similar velocity profiles)
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Nondimensionalized channel velocity profile for the flow of oxygen at 50 l/min in the 80-channel PEMFCs of different port dimensions
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Nondimensionalized channel velocity profile for the flow of air at 400 l/min in the 80-channel PEMFCs of different port dimensions
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Velocity magnitude chart for oxygen flow at 50 l/min through an 18/16 mm, 80-channel PEMFC
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Velocity magnitude chart for air flow at 250 l/min through an 18/16 mm, 80-channel PEMFC
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Nondimensionalized channel velocity profile for the flow of hydrogen at 75 l/min in the 80-channel PEMFCs of different port dimensions
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Nondimensionalized channel velocity profile for air, hydrogen, and oxygen for a given volume flow rate at D=18 mm and n=80
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Nondimensionalized channel velocity profile for the flow of oxygen through 18/16 mm, 80-channel PEMFC at different flow rates
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Nondimensionalized channel velocity profile for the flow of air through 18/16 mm, 80-channel PEMFC at different flow rates

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