Continuous ultrasonic signal method of laser-ultrasonic technique for flow field measurements

Binqian Zhang; Zhoumo Song; Jianying Li

doi:10.1117/12.509870

29 April 2003 Continuous ultrasonic signal method of laser-ultrasonic technique for flow field measurements

Binqian Zhang, Zhoumo Song, Jianying Li

Proceedings Volume 5058, Optical Technology and Image Processing for Fluids and Solids Diagnostics 2002; (2003) https://doi.org/10.1117/12.509870
Event: Optical Technology and Image Processing for Fluids and Solids Diagnostics 2002, 2002, Beijing, China

Abstract

One new kind of the laser-ultrasonic technique in which a continuous ultrasonic signal is used to record flow-induced traveling time differences of ultrasonic wave, propagation along a measuring sound beam between two laser beams, so-called A Continuous Ultrasonic Signal Method of Laser-Ultrasonic Technique, is presented. This method allows a fast and non-disturbing exploration of the flow field around models in wind tunnels. By using the new method, even an ultrasonic transducer with lower performance could be employed, and there is no need a high-accuracy optical detector.

Citation Download Citation

Binqian Zhang, Zhoumo Song, and Jianying Li "Continuous ultrasonic signal method of laser-ultrasonic technique for flow field measurements", Proc. SPIE 5058, Optical Technology and Image Processing for Fluids and Solids Diagnostics 2002, (29 April 2003); https://doi.org/10.1117/12.509870

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