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The velocity of rise of distorted gas bubbles in a liquid of small viscosity

Moore, D. W.·1965·Journal of Fluid Mechanics

Abstract

The terminal velocity of rise of small, distorted gas bubbles in a liquid of small viscosity is calculated. Small viscosity means that the dimensionless group gμ 4/ρ T3 where g is the acceleration of gravity, μ the viscosity, ρ the density and T the surface tension, is less than 10−8. It is assumed—and the numerical accuracy of the assumption is discussed—that the distorted bubbles are oblate ellipsoids of revolution. The drag coefficient is found by extending the theory given recently (Moore 1963) for the boundary layer on a spherical gas bubble. The results are in reasonable quantitative agreement with the experimental data.

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Metadata

Authors
Moore, D. W.
Venue
Journal of Fluid Mechanics
Published
1965-12
Volume
23
Issue
4
Pages
749-766
ISSN
  • 0022-1120 (ISSN-L)
  • 1469-7645
OpenAlex
W2132428637
Cited by
467
References
0
FWCI
2.83
Type
journal article
Language
en
Open access
closed

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CoChat. (2026). Citation check: The velocity of rise of distorted gas bubbles in a liquid of small viscosity. https://app.cochat.ai/papers/10.1017/s0022112065001660
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Moore, D. W. (1965). The velocity of rise of distorted gas bubbles in a liquid of small viscosity. Journal of Fluid Mechanics. https://doi.org/10.1017/s0022112065001660

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Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.