✦ LIBER ✦

Translational and vibrational contributions to the thermal conductivity of molecular gases

✍ Scribed by Robin Devonshire; Daomin Hong

Publisher: Elsevier Science
Year: 1995
Tongue: English
Weight: 487 KB
Volume: 243
Category: Article
ISSN: 0009-2614
DOI: 10.1016/0009-2614(95)00865-2

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✦ Synopsis

General expressions for the translational and vibrational contributions, A T, A v, h v and A~, to the thermal conductivities of dilute molecular gases are presented. Numerical results are achieved by combining: approximations to deal with inelastic collisions; correlations for the reduced collision integrals O~2,2~* and O~1,1~' based on the principle of corresponding states; and experimental data on vibrational relaxation. Illustrative calculations are given for N 2 and 12 gases for both equilibrium and non-equilibrium cases. They show that effects of vibrational-translational non-equilibrium on thermal conductivity may be substantial and important.

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