Hydrodynamic interaction between gas bubbles in liquid | Zendy

L. van Wijngaarden | Zendy; David J. Jeffrey | Zendy

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Hydrodynamic interaction between gas bubbles in liquid

Author(s) -

L. van Wijngaarden,

David J. Jeffrey

Publication year - 1976

Publication title -

journal of fluid mechanics

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.72

H-Index - 226

eISSN - 1469-7645

pISSN - 0022-1120

DOI - 10.1017/s0022112076001110

Subject(s) - bubble , momentum (technical analysis) , mechanics , physics , flux (metallurgy) , materials science , finance , economics , metallurgy

A calculation is given of the velocity which a cloud of identical gas bubbles acquires when the liquid in which the cloud is immersed is impulsively accelerated. From the results an expression follows for the effective virtual mass of a bubble in a gas-bubble/liquid mixture. Further consideration is given to that part of the momentum flux in the mixture associated with relative motion between liquid and bubbles. An expression for this quantity is derived which appears to differ from the one used in practice. It is shown that qualitative support for the expression obtained here is provided by experimental observations reported in the literature

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