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Mass and heat transfer in a diatomic gas

Published online by Cambridge University Press:  13 March 2009

J. C. Haas
Affiliation:
Department of Mechanical Engineering, University of Michigan, Ann Arbor
V. S. Arapaci
Affiliation:
Department of Mechanical Engineering, University of Michigan, Ann Arbor
G. S. Springer
Affiliation:
Department of Mechanical Engineering, University of Michigan, Ann Arbor

Abstract

The transfer of mass and heat through a diatomic gas bounded by two plane parallel surfaces is investigated by a kinetic model which includes translational, rotational and vibrational degrees of freedom. A full range moment method is employed in the solution. Numerical solutions obtained for small temperature and pressure differences show the effect of inelastic collisions on the mass and heat fluxes. Approximate analytical expressions are derived for the mass and heat transfer rates, which are valid over the entire density range and yield the correct free-molecule and continuum limits. The results agree well with existing heat transfer and density measurements.

Type
Research Article
Copyright
Copyright © Cambridge University Press 1971

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