ACTIVE CONTROL OF COMPRESSIBLE FLOWS ON A CURVED SURFACE | Zendy

L. Maestrello | Zendy; A. Bayliss | Zendy; Paresh Parikh | Zendy; Eli Turkel | Zendy

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ACTIVE CONTROL OF COMPRESSIBLE FLOWS ON A CURVED SURFACE

Author(s) -

L. Maestrello,

A. Bayliss,

Paresh Parikh,

Eli Turkel

Publication year - 1985

Publication title -

sae technical papers on cd-rom/sae technical paper series

Language(s) - English

Resource type - Conference proceedings

SCImago Journal Rank - 0.295

H-Index - 107

eISSN - 1083-4958

pISSN - 0148-7191

DOI - 10.4271/851856

Subject(s) - surface (topology) , mechanics , compressibility , control (management) , computer science , control theory (sociology) , physics , geometry , mathematics , artificial intelligence

The effect of localized, time periodic surface heating and cooling over a curved surface is studied. This is a mechanism for the active control of unstable disturbances by phase cancellation and reinforcement. It is shown that the pressure gradient induced by the curvature significantly enhances the effectiveness of this form of active control. In particular, by appropriate choice of phase, active surface heating can completely stabilize and unstable wave.

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