Browsing Theses by Subject "gas diffusion"
Now showing items 1-2 of 2
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Accuracy Improvement for Measurement of Gas Diffusivity through Thin Porous Media
(University of Waterloo, 2012-08-31)Accurate measurement of the gas diffusion coefficient through porous media is of significant interest to science and engineering applications including mass transfer through soils, building materials, and fuel cells to ... -
Measurement and Characterization of Heat and Mass Diffusion in PEMFC Porous Media
(University of Waterloo, 2012-09-19)A single polymer electrolyte membrane fuel cell (PEMFC) is comprised of several sub-millimetre thick layers of varying porosity sandwiched together. The thickness of each layer, which typically ranges from 10 to 200μm, is ...