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Aerodynamic noise from wave-turbulence interaction

Chandraker, AL and Munjal, ML (1978) Aerodynamic noise from wave-turbulence interaction. In: Proceedings Mathematical Sciences, 87 (9). pp. 253-263.

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Abstract. In order to estimate the acoustic energy scattered when a unit volume of free turbulence, such as in free jets, interacts with a plane steady sound wave, theoretical expressions are derived for two simple models of turbulence: eddy model and isotropic model. The effect of convection by mean motion of the energy-bearing eddies on the incident sound wave and on the sound generated from wave-turbulence interaction is taken into account. Finally, by means of a representative calculation,the directionality pattern and Mach number dependence of the noise so generated is discussed.

Item Type: Journal Article
Publication: Proceedings Mathematical Sciences
Publisher: Springer
Additional Information: Copyright of this article belongs to Springer.
Keywords: Aeroacoustics;aerodynamic noise;wave-turbulence interaction.
Department/Centre: Division of Mechanical Sciences > Mechanical Engineering
Date Deposited: 21 Sep 2010 07:26
Last Modified: 21 Sep 2010 07:26
URI: http://eprints.iisc.ac.in/id/eprint/32215

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