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A cavitation model for computations of unsteady cavitating flows
Acta Mechanica Sinica, 2015A local vortical cavitation (LVC) model for the computation of unsteady cavitation is proposed. The model is derived from the Rayleigh–Plesset equations, and takes into account the relations between the cavitation bubble radius and local vortical effects. Calculations of unsteady cloud cavitating flows around a Clark-Y hydrofoil are performed to assess
Guoyu Wang, Biao Huang, Yu Zhao
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Criteria for jet cavitation and cavitation jet drilling
International Journal of Rock Mechanics and Mining Sciences, 2014Abstract The research history of cavitation jets is reviewed, and a mechanism that explains cavitation, methods to measure when cavitation occurs and factors that affect cavitation are introduced. The rationality of the cavitation number, which is often used to predict cavitation, is discussed.
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Theory of Cavitation and Design Aspects of Cavitational Reactors
2010Cavitation is a phenomenon by which large magnitude of energy is dissipated locally due to the violent collapse of the cavities creating effects suitable for intensification of chemical and physical processing applications. The current chapter focuses on the basic aspects related to generation of cavitation in different reactors and explains the ...
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Cavitating Jet Apparatus for Cavitation Erosion Testing
1979A submerged cavitating jet is used to erode a specimen placed in its path. The erosion depends primarily on the jet velocity, the downstream pressure, and the standoff distance of the specimen. An apparatus for erosion testing based on this principle is described. Results are presented showing the effect of these parameters on erosion.
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2004
Publisher Summary This chapter explores the process of cavitation. When the pressure in a liquid is reduced to the point where the vapor pressure is reached, boiling occurs in the liquid and vapor pockets or bubbles appear. If such bubbles are generated in a turbomachine and carried to a region where the pressure is higher, resulting in collapse of ...
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Publisher Summary This chapter explores the process of cavitation. When the pressure in a liquid is reduced to the point where the vapor pressure is reached, boiling occurs in the liquid and vapor pockets or bubbles appear. If such bubbles are generated in a turbomachine and carried to a region where the pressure is higher, resulting in collapse of ...
openaire +2 more sources