Abstract
The present chapter considers well-known approaches to mathematical simulation of subsonic turbulent jets under periodical harmonic excitation. Particular emphasis is placed on the description (in the framework of these approaches) of generation and interaction of large-scale coherent structures, as well as of their susceptibility to periodical excitation. The calculation results illustrating the turbulent mixing intensification (turbulence generation) in jets under low-frequency harmonic excitation and the mixing attenuation (turbulence suppression) under high-frequency excitation are presented. It is stressed that the mathematical simulation of turbulent jets under periodical excitation allows describing the laws of periodical (acoustical) excitation known from the experimental studies.
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Ginevsky, A.S., Vlasov, Y.V., Karavosov, R.K. (2004). Numerical Simulation of Periodical Excitation of Subsonic Turbulent Jets. In: Acoustic Control of Turbulent Jets. Foundations of Engineering Mechanics. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-540-39914-8_6
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DOI: https://doi.org/10.1007/978-3-540-39914-8_6
Publisher Name: Springer, Berlin, Heidelberg
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