The control of vortex shedding and wake from a circular cylinder was studied experimentally at Reynolds numbers, ranging from 160 to 400, using an acoustic active control system. The investigation has been carried by, quantitatively, hot-wire to measure the mean and fluctuating velocities and, qualitatively, by using smoke-wire flow visualization technique to examine the formation of the flow field downstream of the cylinder. The present active control method is able to influence the rate of entrainment from main flow into the wake flow. When the Reynolds number is relatively small, it is the size of the cylinder and the induced sound field velocity rather than Reynolds number which are the significant parameters in determining the controlling reverse and optimum phase lag angels.
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ASME 2002 Joint U.S.-European Fluids Engineering Division Conference
July 14–18, 2002
Montreal, Quebec, Canada
Conference Sponsors:
- Fluids Engineering Division
ISBN:
0-7918-3615-0
PROCEEDINGS PAPER
A Study of Active Control of Vortex Shedding and Wake From a Cylinder Available to Purchase
Hani H. Nigim,
Hani H. Nigim
Birzeit University, West Bank, Palestine
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Kohta Shiino,
Kohta Shiino
Tokyo Denki University, Tokyo, Japan
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Hide S. Koyama,
Hide S. Koyama
Tokyo Denki University, Tokyo, Japan
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Hyung Jin Sung
Hyung Jin Sung
Korea Advanced Institute of Science and Technology, Taejon, Korea
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Hani H. Nigim
Birzeit University, West Bank, Palestine
Kohta Shiino
Tokyo Denki University, Tokyo, Japan
Hide S. Koyama
Tokyo Denki University, Tokyo, Japan
Hyung Jin Sung
Korea Advanced Institute of Science and Technology, Taejon, Korea
Paper No:
FEDSM2002-31043, pp. 1351-1356; 6 pages
Published Online:
February 24, 2009
Citation
Nigim, HH, Shiino, K, Koyama, HS, & Sung, HJ. "A Study of Active Control of Vortex Shedding and Wake From a Cylinder." Proceedings of the ASME 2002 Joint U.S.-European Fluids Engineering Division Conference. Volume 1: Fora, Parts A and B. Montreal, Quebec, Canada. July 14–18, 2002. pp. 1351-1356. ASME. https://doi.org/10.1115/FEDSM2002-31043
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