Author(s): Shengcai Li; Youjing Zhang; F. G. Hammitt

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Abstract: Pressure pulsations in a cavitating venturi were measured and investigated statistically. A classification method for the components of the pressure pulsations based on their statistical characteristics is here presented. The pulsations can be classified as of three basic categories: basic flow noise, cavitation bubblecollapse pulses, and cavitation associated low-frequency pressure fluctuations. Their distinctively statistical characteristics are presented, and a spectrum analysis for the low-frequency fluctuations is given to help explain their mechanism.

DOI: https://doi.org/10.1080/00221688609499325

Year: 1986