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International Journal of Fluid Mechanics Research
ESCI SJR: 0.206 SNIP: 0.446 CiteScore™: 0.9

ISSN Печать: 2152-5102
ISSN Онлайн: 2152-5110

Выпуски:
Том 47, 2020 Том 46, 2019 Том 45, 2018 Том 44, 2017 Том 43, 2016 Том 42, 2015 Том 41, 2014 Том 40, 2013 Том 39, 2012 Том 38, 2011 Том 37, 2010 Том 36, 2009 Том 35, 2008 Том 34, 2007 Том 33, 2006 Том 32, 2005 Том 31, 2004 Том 30, 2003 Том 29, 2002 Том 28, 2001 Том 27, 2000 Том 26, 1999 Том 25, 1998 Том 24, 1997 Том 23, 1996 Том 22, 1995

International Journal of Fluid Mechanics Research

DOI: 10.1615/InterJFluidMechRes.v31.i4.60
14 pages

Analysis of Acoustic Signal Generated by Axisymmetyic Localized Area of Cavitation Origin

A. A. Nazarenko
I. I. Mechnikov Odessa National University, Odessa, Ukraine

Краткое описание

The paper present results of an analysis of acoustic signals generated by immersed axisymmetric fluid jets that create local toroidal cavitation regions tending to collapse periodically. A transcendental dispersion equation has been derived, which describes this process, and an analytical relationship has been established which shows how the frequency of the generated vibrations depends on parameters of an emitting system. Coefficients have been introduced and evaluated that define a fraction of the fluid's flow rate spent for developing the cavitation region, a pressure change rate inside it, and a ratio of its volume to the volume cut off by the jet. Plots of experimental and theoretical relationships are presented, that describe the frequency of vibrations vs. parameters of the system in question.


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