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Mode decomposition of disturbances in a supersonic flow

Mode decomposition of disturbances in a supersonic flow Controlled disturbances are inserted into the wind tunnel flow, and probing measurements of the fields of the amplitudes of pressure and phase velocity oscillations of these disturbances are performed. Based on the relations for inviscid interaction of long-wave vortex, entropy, and acoustic disturbances with the shock wave on a wedge and numerical simulations, the coefficients of conversion of various modes to pressure oscillations on the model surface are determined for the test conditions of a supersonic flow in the T-327B blowdown wind tunnel located at the Khristianovich Institute of Theoretical and Applied Mechanics of the Siberian Branch of the Russian Academy of Sciences. The method of mode decomposition for controlled disturbances with the use of disturbance conversion coefficients is implemented in the case of a flat plate model with a sharp leading edge aligned at different angles of attack and side-slip in the flow. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Thermophysics and Aeromechanics Springer Journals

Mode decomposition of disturbances in a supersonic flow

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References (14)

Publisher
Springer Journals
Copyright
Copyright © I.S. Tsyryulnikov, Yu.V. Gromyko, and T.V. Poplavskaya 2020
ISSN
0869-8643
eISSN
1531-8699
DOI
10.1134/S0869864320050029
Publisher site
See Article on Publisher Site

Abstract

Controlled disturbances are inserted into the wind tunnel flow, and probing measurements of the fields of the amplitudes of pressure and phase velocity oscillations of these disturbances are performed. Based on the relations for inviscid interaction of long-wave vortex, entropy, and acoustic disturbances with the shock wave on a wedge and numerical simulations, the coefficients of conversion of various modes to pressure oscillations on the model surface are determined for the test conditions of a supersonic flow in the T-327B blowdown wind tunnel located at the Khristianovich Institute of Theoretical and Applied Mechanics of the Siberian Branch of the Russian Academy of Sciences. The method of mode decomposition for controlled disturbances with the use of disturbance conversion coefficients is implemented in the case of a flat plate model with a sharp leading edge aligned at different angles of attack and side-slip in the flow.

Journal

Thermophysics and AeromechanicsSpringer Journals

Published: Feb 20, 2021

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