Abstract
This paper deals with aerodynamic sounds generated by the circular wires in a uniform air flow experimentally. The circular wire is bend with a diameter of D in the shape of a circle, and the diameter of wire is d. In the experiment, the effects of D's on the aerodynamic sound have been examined in detail. The results of frequency analyses of aerodynamic sounds show that eminent aeolian sounds are generated by the circular wires. The results of measurement of the coherence between the aerodynamic sound and the velocity fluctuation of the wake behind the circular wire and calculating the band overall value of coherence output power, the source regions of the aerodynamic sound are clarified.
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