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国际流体力学研究期刊
ESCI SJR: 0.206 SNIP: 0.446 CiteScore™: 0.9

ISSN 打印: 2152-5102
ISSN 在线: 2152-5110

国际流体力学研究期刊

DOI: 10.1615/InterJFluidMechRes.v23.i1-2.150
pages 127-133

An Acoustic Model of a Plane Turbulent Boundary Layer and Its Radiation Spectrum

Victor T. Grinchenko
Institute of Hydromechanics, National Academy of Science of Ukraine, Kyiv, Ukraine
I. V. Mayatskiy
Fluid Mechanics Institute of the Ukrainian Academy of Sciences, Kiev, Ukraine

ABSTRACT

The acoustic radiation of a turbulent boundary layer is analyzed by employing a quadrupole model of hydrodynamic sources. The acoustic model of the turbulent boundary layer is defined by means of data on the wave-frequency spectrum of pressure fluctuations at the wall at wave numbers k > k0. A numerical estimate of the far-field acoustic pressure spectrum is given and is compared with published analytic and experimental data.


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