NOISE GENERATED BY CAVITATION IN ORIFICE-PLATES WITH SOME GASEOUS EFFECTS.

dc.contributorUniversidade Estadual Paulista (Unesp)
dc.date.accessioned2014-05-27T02:35:18Z
dc.date.available2014-05-27T02:35:18Z
dc.date.created2014-05-27T02:35:18Z
dc.date.issued1986-12-01
dc.identifierAmerican Society of Mechanical Engineers, Fluids Engineering Division (Publication) FED, v. 45, p. 41-52.
dc.identifierhttp://hdl.handle.net/11449/63794
dc.identifier2-s2.0-0022907269
dc.description.abstractAn experimental investigation of the noise generated by cavitation in turbulent shear flows produced by confined sharp-edge orifice-plates is reported. The acoustic source strength of cavitation was determined by means of reciprocity type measurements. Experimentally determined scaling parameters are applied to a model to prototype scaling formula derived from dimensional analysis. The proposed formula is checked experimentally. Comparative photographic observations of the cavitation patterns for two different values of gas content are presented. The observed sound reduction, that occurs when supersaturated conditions exist downstream the orifice-plates, is explained by the effects of gas diffusion into the cavitation bubbles, and by simple acoustic attenuation.
dc.languageeng
dc.relationAmerican Society of Mechanical Engineers, Fluids Engineering Division (Publication) FED
dc.rightsAcesso aberto
dc.sourceScopus
dc.subjectACOUSTIC WAVES - Attenuation
dc.subjectFLOW OF FLUIDS - Orifices
dc.subjectGASES - Diffusion
dc.subjectGASEOUS EFFECTS
dc.subjectORIFICE-PLATES
dc.subjectPROTOTYPE SCALING FORMULA
dc.subjectRECIPROCITY PRINCIPLE
dc.subjectCAVITATION
dc.titleNOISE GENERATED BY CAVITATION IN ORIFICE-PLATES WITH SOME GASEOUS EFFECTS.
dc.typeActas de congresos


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