APPROXIMATE CALCULATION OF THE NOISE SPECTRUM IN THE FIELD OF A TURBULENT JET.

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作者：
Vyaz'menskaya, L.M.
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Fluid Mechanics, Soviet Research | 1977年 / 6卷 / 03期
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摘要：
A method for calculating the noise spectrum in an arbitrary point in the field of a subsonic turbulent jet is suggested. It is based on a simple assumption as to the relationship between the acoustic frequency emitted by an elementary cross section of the jet and the location of this cross section, and employs the results of a previously-developed method for calculating the noise intensity in an arbitrary point of the field of the jet. Results of numerical calculations are presented, and these are compared with previously-published calculations and with experimental data.
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页码：40 / 46
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