A NEW PHENOMENON OF ACOUSTIC STREAMING

(整期优先)网络出版时间:1991-03-13
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ThispaperdescribesanewphenomenonofacousticstreamingwhichtakesplacewhenaHelmholtzresonatorisexcitedbyaninsidesoundsourcewithresonantfrequency,andtakestheformofastrongturbulentjet.Theflowvisualizations,hotwireandLDVmeasurementsarecombinedtoinvestigatetheprocessofacousticstreaming.ItisfoundthatthiskindofacousticstreamingresultsfromthecontributionofReynoldsstress.