Vibrational Relaxation in Polyatomic Gas (Methane)
1955 年 10 巻 3 号 p. 208-218
詳細
1955 年 10 巻 3 号 p. 208-218
A method to obtain an expression of the intermolecular potential including internal coordinates is proposed. The potential is assumed to be the sum of interatomic ones. The calculation is carried out for CH4–CH4 interaction and the vibrational relaxation times for ν4, ν2 and ν1 have been calculated. It is shown that ν4 relaxation time corresponds to the value obtained by Eucken and Aybar and is the decisive one in the supersonic dispersion in accord with their experiment.
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