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Cavitating Flows

Plesset, Milton S. (1969) Cavitating Flows. California Intstitute of Technology , Pasadena, CA. (Unpublished)

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There are very few differences between the fluid dynamics of liquids and gases. The viscosity of water, for example, is 10^-2 poise at 20° C while the viscosity of air at this temperature is about 2 X 10^-4 poise. The kinematic viscosity of water is 10^-2 cm^2/sec compared with 0.15 cm^2/sec for air. As one would expect from simple kinetic theory, the viscosity of gases increases with increasing temperature; the viscosity of liquids on the other hand decreases rather rapidly as the temperature rises. While the speed of sound in water is about four times that in air, there is a more interesting consequence of the equation of state. A pressure pulse with an intensity of several hundred psi, which propagates as a strong shock in air, will propagate acoustically in water with a negligible production of entropy.

Item Type:Report or Paper (Technical Report)
Additional Information:Office of Naval Research Department of the Navy Contract N00014-67-0094-0009. Report No. 85-46.
Funding AgencyGrant Number
Office of Naval Research (ONR)N00014-67-0094-0009
Subject Keywords:cavitation, bubble dynamics, compressibility effects
Record Number:CaltechAUTHORS:20140603-144623046
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Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:46059
Deposited On:03 Jun 2014 21:54
Last Modified:03 Oct 2019 06:40

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