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A Reduced-Order Model of Heat Transfer Effects on the Dynamics of Bubbles

Preston, A. and Colonius, T. and Brennen, C. E. (2002) A Reduced-Order Model of Heat Transfer Effects on the Dynamics of Bubbles. In: 2002 ASME Fluids Engineering Division Summer Meeting, 14-18 July 2002, Montreal, Quebec, Canada.

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The Rayleigh-Plesset equation has been used extensively to model spherical bubble dynamics, yet it has been shown that it cannot correctly capture damping effects due to mass and thermal diffusion. Radial diffusion equations may be solved for a single bubble, but these are too computationally expensive to implement into a continuum model for bubbly cavitating flows since the diffusion equations must be solved at each position in the flow. The goal of the present research is to derive reduced-order models that account for thermal and mass diffusion. We present a model that can capture the damping effects of the diffusion processes in two ODE's, and gives better results than previous models.

Item Type:Conference or Workshop Item (Paper)
Record Number:CaltechAUTHORS:PREfedsm02
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Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:139
Deposited By: Christopher Brennen
Deposited On:27 Oct 2004
Last Modified:26 Dec 2012 08:39

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