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PEM Fuel Cells by Ken S. Chen, Yun Wang

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Appendix VI.B

Multiphase Mixture Model in Porous Media*

1 BASIC DEFINITIONS

In classic multicomponent mixture models, the mixture’s physical properties are based on the properties of its constituents; however, their functional forms are not assumed as a priori, instead derived strictly from a rigorous multiphase flow model. The mixture density, velocity, species concentration, enthalpy, and pressure are defined, respectively, as

41173.jpg (Eq. A.6-b1)

41163.jpg (Eq. A.6-b2)

(Eq. A.6-b3)

(Eq. A.6-b4)

(Eq. A.6-b5)

where a quantity without a subscript is ...

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