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Keldysh Institute preprints, 2015, 080, 24 pages (Mi ipmp2042)  

Estimation of typical frequencies of pressure pulsations in a flow over a rectangular cavity

A. E. Lutsky, I. S. Menshov, A. V. Severin


Abstract: The results of the numerical calculations of transonic flow over the cavity with a transitional type of flow are presented. The analysis of the spectrum of the pressure fluctuations in the cavity is done. It is proposed an algorithm for automatic detection of typical frequencies, eliminating the element of subjectivity and allowing to distinguish the basic frequencies with less calculations than by visual analysis of the spectrum.

Keywords: separation zone, vortex structures, wave perturbations, self-oscillation, aero-acoustic noise, spectral analysis.

Funding Agency Grant Number
Russian Foundation for Basic Research 14-08-00624
14-01-00566


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Citation: A. E. Lutsky, I. S. Menshov, A. V. Severin, “Estimation of typical frequencies of pressure pulsations in a flow over a rectangular cavity”, Keldysh Institute preprints, 2015, 080, 24 pp.

Citation in format AMSBIB
\Bibitem{LutMenSev15}
\by A.~E.~Lutsky, I.~S.~Menshov, A.~V.~Severin
\paper Estimation of typical frequencies of pressure pulsations in a flow over a rectangular cavity
\jour Keldysh Institute preprints
\yr 2015
\papernumber 080
\totalpages 24
\mathnet{http://mi.mathnet.ru/ipmp2042}


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  • Препринты Института прикладной математики им. М. В. Келдыша РАН
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