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JOURNALS // Matematicheskoe modelirovanie // Archive

Matem. Mod., 2007 Volume 19, Number 8, Pages 37–48 (Mi mm1100)

Mathematical model and method calculation of aeroacoustic parameters in nonisothermal jets

V. K. Erofeev, V. V. Gregoreev, P. G. Genkin

Baltic State Technical University "Voenmech"

Abstract: The physical and mathematical model of generation of acoustic fields is developed by nonisothermal jets with use of acoustic analogy Lighthill [1, 2], models of local sources [3] and the equations of gas dynamics of turbulence streams [4]. The method calculation of aeroacoustic parameters of nonisothermal turbulence flow and acoustic fields generated by them is received on the basis of this model. The advantage of this method is the usage of the wave equation Lighthill with the right part as a full completeness tensor strain.

Received: 11.12.2006



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