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Computation of Shock Waves in Cavitating Flows

Colonius, Tim and Brennen, Christopher E. and d'Auria, Fabrizio (1998) Computation of Shock Waves in Cavitating Flows. In: Proceedings Of The 1998 ASME Fluids Engineering Division Summer Meeting. American Society of Mechanical Engineers , New York, NY, pp. 1-9. ISBN 0791819507

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Realistic cavitating flows are dominated by a large number of interacting bubbles. These clouds of bubbles exhibit highly nonlinear behavior with sudden changes in void fraction. Because of the potential damage caused by the coherent collapse of bubble clouds, there is a need for effective numerical models to predict their behavior. This paper presents a newly developed computational methodology to solve a continuum model of bubbly cavitating flow in which a Lagrangian finite volume technique is used to accurately and efficiently track all flow variables in space and time. We also present results for the solution of a one-dimensional model problem, namely cavitating shock waves produced by the normal motion of a wall bounding a semi-infinite domain of fluid. The roles of wave steepening and damping mechanisms in the collapse of bubble clouds are highlighted.

Item Type:Book Section
Additional Information:This research was supported in part, by the Office of Naval Research under grant number N00014-91-J-1295. The third author is also grateful for support from the European Space Agency.
Funding AgencyGrant Number
Office of Naval Research (ONR)N00014-91-J-1295
European Space Agency (ESA)UNSPECIFIED
Record Number:CaltechAUTHORS:COLfed98
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Official Citation:ASME Paper No. FEDSM98-5027
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:82
Deposited By: Christopher Brennen
Deposited On:17 Sep 2004
Last Modified:24 Dec 2014 16:50

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