Determination of the kinetic coefficients of a gas in a supersonic jet from Brillouin spontaneous scattering spectra

被引：1

作者：

Anisimov, Yu. I. ^{[1
]}

Kosykh, N. B. ^{[1
]}

Mashek, I. Ch. ^{[1
]}

机构：

[1] St Petersburg State Univ, St Petersburg 198504, Russia

来源：

OPTICS AND SPECTROSCOPY | 2007年 / 102卷 / 03期

关键词：

33.20.Fb;

D O I：

10.1134/S0030400X0703023X

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

The mean free path and the shear viscosity of molecular nitrogen are determined in a rarefied supersonic jet using the Brillouin spontaneous scattering technique. By examples of sub- and supersonic jets, the measured kinetic coefficients are shown to agree with the tabulated values of these parameters. These results are obtained using laser radiation, whose output power, which restricts the signal-to-noise ratio, is as low as 50 mW.

引用

页码：467 / 468

页数：2

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