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Bubble dynamics in time-periodic straining flows

Kang, I. S. and Leal, L. G. (1990) Bubble dynamics in time-periodic straining flows. Journal of Fluid Mechanics, 218 . pp. 41-69. ISSN 0022-1120. http://resolver.caltech.edu/CaltechAUTHORS:20120508-141550408

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Abstract

The dynamics and breakup of a bubble in an axisymmetric, time-periodic straining flow has been investigated via analysis of an approximate dynamic model and also by time-dependent numerical solutions of the full fluid mechanics problem. The analyses reveal that in the neighbourhood of a stable steady solution, an O(ϵ1/3) time-dependent change of bubble shape can be obtained from an O(ε) resonant forcing. Furthermore, the probability of bubble breakup at subcritical Weber numbers can be maximized by choosing an optimal forcing frequency for a fixed forcing amplitude.


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http://dx.doi.org/10.1017/S0022112090000921 DOIUNSPECIFIED
http://journals.cambridge.org/action/displayAbstract?fromPage=online&aid=380753PublisherUNSPECIFIED
Additional Information:© 1990 Cambridge University Press. Received 16 March 1989 and in revised form 17 January 1990. Published online: 26 April 2006. This work was supported by a grant from the office of Naval Research.
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Office of Naval Research (ONR)UNSPECIFIED
Record Number:CaltechAUTHORS:20120508-141550408
Persistent URL:http://resolver.caltech.edu/CaltechAUTHORS:20120508-141550408
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:31354
Collection:CaltechAUTHORS
Deposited By: Tony Diaz
Deposited On:08 May 2012 23:12
Last Modified:26 Dec 2012 15:10

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