Vibrational relaxation in CD4 and CD4-rare gas mixtures

M.H. De Vasconcelos

Physica A: Statistical Mechanics and its Applications, 1977, vol. 88, issue 2, 395-406

Abstract: Using the optic-acoustic effect, measurements of the relaxation time were made after exciting the v4 mode of CD4. This was done for pure CD4 and for mixtures of CD4 with He, Ne, Ar and Kr, the results being 3.9±0.2, 1.8±0.2, 18±2, 70±15 and ≳ 100 μs at 1 atm, respectively. From the relaxation time dependence on mass as well as from a comparison between results for CH4 and CD4 it is concluded that energy transfer takes place via a vibration-rotation-translation (V-R-T) mechanism.

Date: 1977
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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:88:y:1977:i:2:p:395-406

DOI: 10.1016/0378-4371(77)90013-9

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