Research Article
Jul 1968
Behavior of Small Gas Bubbles in Accelerated Liquid
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VIEW THE REPLYPublication: Journal of the Hydraulics Division
Volume 94, Issue 4
Abstract
The time dependent motion of small gas bubbles in liquids subjected to a linear pressure gradient has been studied. An expression for the bubble slip, (ug - ul)/ul was derived as a function of the liquid and gas densities, initial velocities, and the liquid velocity gradient. For air in water, the bubble slip asymptotically approaches zero for uniform flow, independent of initial bubble and liquid velocities, and approaches the value of 0.9967 for highly accelerating flows.
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Published In
Journal of the Hydraulics Division
Volume 94 • Issue 4 • July 1968
Pages: 1073 - 1082
Copyright
© 1968 American Society of Civil Engineers.
History
Published in print: Jul 1968
Published online: Feb 3, 2021
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Authors
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Subba Rao Gutti, M.ASCE
Research Scientist, Grumman Aircraft Engrg. Corp., Bethpage, N.Y
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