Acoustic Transducer of Turbulent Pressure Fluctuations in a Temperature-Stratified Medium
- Authors: Kudashev E.B.1, Yablonik L.R.2, Liu J.3
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Affiliations:
- Space Research Institute
- Joint-Stock Company “I.I. Polzunov Scientific and Development Association on Research and Design of Power Equipment”
- China Ship Scientific Research Center
- Issue: Vol 64, No 1 (2018)
- Pages: 99-104
- Section: Physical Foundations of Technical Acoustics
- URL: https://journals.rcsi.science/1063-7710/article/view/186426
- DOI: https://doi.org/10.1134/S1063771018010116
- ID: 186426
Cite item
Abstract
The operation of an acoustic transducer in a temperature-stratified medium is investigated. The formation of a response of piezoceramic transducers of pressure fluctuations under the action of temperature fluctuations in a working medium on the sensor element is considered. The attenuation of the temperature signal of a pressure transducer in a turbulent boundary layer is calculated numerically. The effect of distortions of the spectral levels of pressure fluctuations detected by a sound transducer in the field of temperature inhomogeneities is investigated for the example of measurements of turbulent pressure fluctuations in a boundary layer during vertical ascent of the device to the surface from a specified depth in a deep sea.
About the authors
E. B. Kudashev
Space Research Institute
Author for correspondence.
Email: kudashev@iki.rssi.ru
Russian Federation, Moscow, 117997
L. R. Yablonik
Joint-Stock Company “I.I. Polzunov Scientific and Development Association on Research and Design of Power Equipment”
Email: kudashev@iki.rssi.ru
Russian Federation, St. Petersburg, 191167
Jian-hua Liu
China Ship Scientific Research Center
Email: kudashev@iki.rssi.ru
China, Wuxi, Jiangsu, 214082
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