Scattering of shock into acoustic waves in shock-vortex interaction

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When a shock interacts with a vortex, various weak waves are radiated causing noise and shock wave scattering. When the vortex is strong, scattering pattern becomes more complex. When the vortex is unstable, vortexlets are brought forth creating diverging acoustics as they interact with the impinging shock. Strong vortex, on the other hand, can foster quadrupole noise source as it impinges into a vortex, like the screech mode of supersonic jet noise. It is described here how we investigated systematically these shock scattering phenomena using shock tube experiments and various computational models.
Publisher
TRANS TECH PUBLICATIONS LTD
Issue Date
2004
Language
English
Article Type
Article; Proceedings Paper
Keywords

SOUND GENERATION

Citation

EXPLOSION, SHOCK WAVE AND HYPERVELOCITY PHENOMENA IN MATERIALS. MATERIALS SCIENCE FORUM, v.465-466, pp.131 - 138

ISSN
0255-5476
URI
http://hdl.handle.net/10203/85901
Appears in Collection
AE-Journal Papers(저널논문)
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