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Proceedings Paper

Internal flow measurement in transonic compressor by PIV technique
Author(s): Tongqing Wang; Huaiyu Wu; Yin Liu
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Paper Abstract

The paper presents some research works conducted in National Key Laboratory of Aircraft Engine of China on the shock containing supersonic flow measurement as well as the internal flow measurement of transoijc compressor by PIC technique. A kind of oil particles in diameter about 0.3 micrometers containing in the flow was discovered to be a very good seed for the PIV measurement of supersonic jet flow. The PIV measurement in over-expanded supersonic free jet and in the flow over wages show a very clear shock wave structure. In the PIV internal flow measurement of transonic compressor a kind of liquid particle of glycol was successful to be used as the seed. An illumination periscope with sheet forming optics was designed and manufactured, it leaded the laser shot generated from an integrate dual- cavity Nd:YAG laser of TSI PIV results of internal flow of an advanced low aspect ratio transonic compressor were shown and discussed briefly.

Paper Details

Date Published: 26 November 2001
PDF: 9 pages
Proc. SPIE 4448, Optical Diagnostics for Fluids, Solids, and Combustion, (26 November 2001); doi: 10.1117/12.449391
Show Author Affiliations
Tongqing Wang, Beijing Univ. of Aeronautics and Astronautics (China)
Huaiyu Wu, Beijing Univ. of Aeronautics and Astronautics (China)
Yin Liu, Tsinghua Univ. (China)


Published in SPIE Proceedings Vol. 4448:
Optical Diagnostics for Fluids, Solids, and Combustion
Carolyn R. Mercer; Soyoung Stephen Cha; Gongxin Shen, Editor(s)

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