VELOCITY AND TEMPERATURE DISTRIBUTIONS IN AN UNDEREXPANDED SUPERSONIC JET BY USING A LASER INDUCED FLUORESCENCE

被引：1

作者：

Kurita, Koichi ^{[1
]}

Okai, Takashi ^{[1
]}

Ueno, Kazuaki ^{[1
]}

Kawada, Noriyuki ^{[1
]}

Kato, Mitsuo ^{[1
]}

机构：

[1] Mitsubishi Heavy Ind Ltd, Hiroshima Res & Dev Ctr, Hiroshima 733, Japan

来源：

ANALYTICAL SCIENCES | 1991年 / 7卷

关键词：

supersonic jet; argon; iodine; laser induced fluorescence;

D O I：

10.2116/analsci.7.Supple_1459

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

The axial velocity and temperature distributions in an underexpanded argon jet produced by a sonic nozzle have been investigated by using the laser induced fluorescence technique. To apply the LIF method to rarefied gas flows, seed material used in this experiments is iodine. Doppler shift of the absorption line is exploited to extract velocity distribution on the flow axis. On the other hand, parallel temperature along with flow axis is determined by the Doppler broadening of the absorption line.

引用

页码：1459 / 1462

页数：4

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