白光气泡图象测速技术

ACTA AERONAUTICAET ASTRONAUTICA SINICA ›› 1993, Vol. 14 ›› Issue (9): 521-523.

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WHITE LIGHT BUBBLE IMAGE VELOCIMETRY

Shen Gong-xin, Ma Guang-yun, Zhuang Feng-gan

Institute of Fluid Mechanics, Beijing Uuiversity of Aeronauticsand Astronaulics,Beijing,10083

Received:1992-03-13 Revised:1993-03-10 Online:1993-09-25 Published:1993-09-25

Abstract

Abstract: A new kind of Particle Image Velocimetry (PIV) ,the White Light Bubble Image Velocimetry (WLBIV) is presented. The oxygen bubble generated from electrolized water is used as the particle tracer in the flow field. A flash set is used as the multi-pulse light source for recording PIV film. With WLBIV method there are no dusty pollution on the testing facilities and no need of high-power laser. PIV film with higher signal-to noise ratio could be obtained .

Key words: particle image velocimetry, white light, bubble, velocity field measurement

Shen Gong-xin;Ma Guang-yun;Zhuang Feng-gan. WHITE LIGHT BUBBLE IMAGE VELOCIMETRY[J]. ACTA AERONAUTICAET ASTRONAUTICA SINICA, 1993, 14(9): 521-523.

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WHITE LIGHT BUBBLE IMAGE VELOCIMETRY

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