Velocity measurement of compressible air flows utilizing a high-speed video camera

PIV-measurements of the flow above a pitching airfoil were conducted in a transonic wind tunnel. An ultrahigh-speed video camera was used for separate recording of two exposures. The data was analyzed using the cross-correlation method. The results show the applicability of the technique in high-spe...

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Bibliographic Details
Published in:Experiments in fluids 1995, Vol.18 (3), p.204-215
Main Authors: RAFFEL, M, KOMPENHANS, J, STASICKI, B, BRETTHAUER, B, MEIER, G. E
Format: Article
Language:English
Subjects:
Exact sciences and technology
Fluid dynamics
Fundamental areas of phenomenology (including applications)
Instrumentation for fluid dynamics
Physics
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Summary:PIV-measurements of the flow above a pitching airfoil were conducted in a transonic wind tunnel. An ultrahigh-speed video camera was used for separate recording of two exposures. The data was analyzed using the cross-correlation method. The results show the applicability of the technique in high-speed flows. (Author)
ISSN:0723-4864
1432-1114
DOI:10.1007/BF00230266