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Measurement of parameters of low-intensity shock wave under nonuniform flow conditions

Measurement of parameters of low-intensity shock wave under nonuniform flow conditions Abstract Under the experimental studies carried out to reduce the sonic boom intensity created by the aircraft by means of active action, the problem of measuring the shock wave parameters in nonuniform flow is considered. Comparison of the pressure profiles behind the shock wave obtained by means of a drained measuring plate and a comb of brake pressure probes is given. It is shown that the technique using brake pressure probes provides an acceptable reliability of pressure distributions measurements in the near zone of the model. The use of the drained plate leads to significant errors in measuring under nonuniform flow conditions. Analysis of the causes of signal distortion is carried out. The procedure for experimental data processing is presented. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Thermophysics and Aeromechanics Springer Journals

Measurement of parameters of low-intensity shock wave under nonuniform flow conditions

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References (9)

Publisher
Springer Journals
Copyright
2018 Kutateladze Institute of Thermophysics, Siberian Branch of the Russian Academy of Sciences
ISSN
0869-8643
eISSN
1531-8699
DOI
10.1134/S0869864318050050
Publisher site
See Article on Publisher Site

Abstract

Abstract Under the experimental studies carried out to reduce the sonic boom intensity created by the aircraft by means of active action, the problem of measuring the shock wave parameters in nonuniform flow is considered. Comparison of the pressure profiles behind the shock wave obtained by means of a drained measuring plate and a comb of brake pressure probes is given. It is shown that the technique using brake pressure probes provides an acceptable reliability of pressure distributions measurements in the near zone of the model. The use of the drained plate leads to significant errors in measuring under nonuniform flow conditions. Analysis of the causes of signal distortion is carried out. The procedure for experimental data processing is presented.

Journal

Thermophysics and Aeromechanics – Springer Journals

Published: Sep 1, 2018

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