Laser Doppler visualisation of the velocity field by excluding the influence of multiparticle scattering

被引：5
|
作者：
Dubnishchev, Yu. N. [1 ]
Chugui, Yu. V. [2 ]
Kompenhans, J. [3 ]
机构：
[1] Russian Acad Sci, Inst Thermophys, Siberian Branch, Novosibirsk 630090, Russia
[2] Russian Acad Sci, Siberian Branch, Technol Design Inst Sci Instrument Engn, Novosibirsk 630058, Russia
[3] German Aerosp Ctr, D-37073 Gottingen, Germany
来源：
QUANTUM ELECTRONICS | 2009年 / 39卷 / 10期
关键词：
laser Doppler visualisation of the velocity field; multiparticle scattering of light; optical mixing spectroscopy; Doppler global velocimetry;
D O I：
10.1070/QE2009v039n10ABEH014054
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
The method of laser Doppler visualisation and measurement of the velocity field in gas and liquid flows by suppressing the influence of multiparticle scattering is discussed. The cross section of the flow under study is illuminated by a laser beam transformed by an anamorphic optical system into a laser sheet. The effect of multiparticle scattering is eliminated by obtaining differential combinations of frequency-demodulated images of the laser sheet in different regions of the angular spectrum of scattered light.
引用
收藏
页码：962 / 966
页数：5
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