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Bubble rise under an inclined plate

Published online by Cambridge University Press:  26 April 2006

T. Maxworthy
T. Maxworthy
Affiliation:
Departments of Aerospace and Mechanical Engineering, University of Southern California, Los Angeles, CA 90089–1191, USA
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Abstract

We extend existing measurements of bubble rise velocity or, equivalently, drag in the spherical-cap regime to include the effects of rise under an inclined plate which both changes the bubble shape and the effective buoyancy force in the direction of bubble motion. As found previously for rise in inclined tubes for example (Zukoski 1966) there is an angle of inclination for which the rise velocity is a maximum. We propose, also, an inviscid model that appears to describe the results adequately, as is the case for the spherical-cap regime in an extended fluid (Davies & Taylor 1950).

Type
Research Article
Information
Journal of Fluid Mechanics , Volume 229 , August 1991 , pp. 659 - 674
Copyright
© 1991 Cambridge University Press

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