Analysis of Self-Oscillation Processes in a Cavity with a Flow of OpenType on the Basis of the Data of Vortex-Resolving Calculations

Author:

Dan’kov B. N.1,Duben’ A. P.1,Kozubskaya T. K.1

Affiliation:

1. Ishlinsky Institute for Problems in Mechanics of the Russian Academy of Sciences

Abstract

The mechanisms of self-oscillation processes occurring in cavities of open flow type are considered and substantiated on the basis of a detailed investigation of the phenomena of hydrodynamic, flow-rate, wave, and resonance nature. The theoretical conclusions are substantiated by an analysis of the data of numerical experiments performed by different authors.

Publisher

The Russian Academy of Sciences

Reference32 articles.

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2. Heller H.H., Holmes D.G. and Covert E.E., Flow Induced Pressure Oscillations in Shallow Cavities // J. Sound Vib. 1971. V. 18. № 4. P. 545–553.

3. Heller H.H. and Bliss D.B., The Physical Mechanism of Flow Induced Pressure Fluctuations in Cavities and Concepts for their Suppression // AIAA Paper 75–491. 1975.

4. Block P.J.W., Noise response of cavity of varying dimensions at subsonic speeds // NASA TN D- 8351. 1976. P. 1–67.

5. Tam C.K.W. and Block P.T.W., On the Tones and Pressure Oscillations Induced by Flow over Rectangular Cavities // J. Fluid Mech. 1978. V. 89. Part 2. P. 373–399.

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