Prediction of vortex shedding from bluff bodies in the presence of a sound field

M. C. Thompson, K. Hourigan, M. C. Welsh, W. K. Soh

Research output: Contribution to journalArticleResearchpeer-review

Abstract

The separated flow around a rectangular cylinder, in the presence of a transverse duct resonant acoustic mode, is modelled using a vortex method. The instantaneous transfer of power between the mean flow and the acoustic field is predicted using Howe's theory of aerodynamic sound. Whether the net acoustic energy per cycle generated is positive or negative depends on the phase of the acoustic cycle at which vortex clouds arrive at the trailing edge of the cylinder.

Original languageEnglish
Pages (from-to)349-352
Number of pages4
JournalFluid Dynamics Research
Volume3
Issue number1-4
DOIs
Publication statusPublished - 1 Sep 1988
Externally publishedYes

Cite this

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abstract = "The separated flow around a rectangular cylinder, in the presence of a transverse duct resonant acoustic mode, is modelled using a vortex method. The instantaneous transfer of power between the mean flow and the acoustic field is predicted using Howe's theory of aerodynamic sound. Whether the net acoustic energy per cycle generated is positive or negative depends on the phase of the acoustic cycle at which vortex clouds arrive at the trailing edge of the cylinder.",
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year = "1988",
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Prediction of vortex shedding from bluff bodies in the presence of a sound field. / Thompson, M. C.; Hourigan, K.; Welsh, M. C.; Soh, W. K.

In: Fluid Dynamics Research, Vol. 3, No. 1-4, 01.09.1988, p. 349-352.

Research output: Contribution to journalArticleResearchpeer-review

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AB - The separated flow around a rectangular cylinder, in the presence of a transverse duct resonant acoustic mode, is modelled using a vortex method. The instantaneous transfer of power between the mean flow and the acoustic field is predicted using Howe's theory of aerodynamic sound. Whether the net acoustic energy per cycle generated is positive or negative depends on the phase of the acoustic cycle at which vortex clouds arrive at the trailing edge of the cylinder.

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