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Journal of Flow Visualization and Image Processing
SJR: 0.161 SNIP: 0.312 CiteScore™: 0.1

ISSN Druckformat: 1065-3090
ISSN Online: 1940-4336

Journal of Flow Visualization and Image Processing

DOI: 10.1615/JFlowVisImageProc.v1.i1.90
pages 63-68

A LASER SCHLIEREN-SPECKLE INTERFEROMETRY SYSTEM FOR MEASUREMENT OF PHASE OBJECTS

J. Z. Shu
Institute of Mechanics, Academia Sinica, Beijing, China
J. Y. Li
Institute of Engineering Thermophysics, Academia Sinica, Beijing, China

ABSTRAKT

A laser schlieren-speckle interferometry system for diagnosing the flow field is proposed here. With this optical system, a specklegram and a shearing interferogram can be taken simultaneously. The experiments demonstrate that speckle photography is more suitable for measurement with a turbulent flow.