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Control of turbulent separated flow over a backward-facing step by local forcing

โœ Scribed by K. B. Chun; H. J. Sung

Publisher
Springer
Year
1996
Tongue
English
Weight
816 KB
Volume
21
Category
Article
ISSN
0723-4864

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๐Ÿ“œ SIMILAR VOLUMES

Control of turbulent channel flow over a
Control of turbulent channel flow over a backward-facing step by suction or injection
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## Abstract Experiments have been performed for turbulent channel flow over a backwardโ€facing step. The backwardโ€facing step is controlled by equipping a slit at the bottom corner of the step. Low momentum fluids in the recirculation region are sucked or high momentum fluids are injected from the s

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The turbulence statistics of an unsteady separated ยฏow was experimentally investigated. A backward-facing step ยฏow at Re 3700 was chosen as the test case, where periodic perturbation was introduced from its step edge. A two-dimensional particle imaging velocimeter (PIV) was used in the ยฏow-ยฎeld meas