THERMAL DIFFUSION OF A HEAVY IMPURITY IN A LASER-IRRADIATED LIGHT GAS.

被引：0
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作者：
Sazonov, V.N.
机构：
来源：
Soviet Physics, Technical Physics (English translation of Zhurnal Tekhnicheskoi Fiziki) | 1979年 / 24卷 / 07期
关键词：
DIFFUSION - LASER BEAMS - Effects;
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摘要：
The diffusion of a heavy impurity in a nonequilibrium light gas is analyzed. The analysis is in good agreement with experiment. It is demonstrated that the thermal-diffusion constant increases when internal degrees of freedom of the heavy molecules are excited by a laser beam. The conditions that maximize this effect are discussed. Diffusion in the field of an acoustic wave excited in a light gas is also investigated. Numerical estimates show that this process has advantages over thermal diffusion for separation of the components of gas mixtures.
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页码：854 / 858
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