Directional acoustic radiation from a supersonic jet generated by shear layer instability
- 15 March 1971
- journal article
- research article
- Published by Cambridge University Press (CUP) in Journal of Fluid Mechanics
- Vol. 46 (4) , 757-768
- https://doi.org/10.1017/s0022112071000831
Abstract
A theory on the generation mechanism of directional acoustic radiation from a supersonic jet is proposed. The theory is based on the concept of instability of the shear layer at the boundary of the jet close to the nozzle. Theoretical prediction of the directional wave pattern is found to agree with shadowgraphic observation.Keywords
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