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Oscillations of drops in zero gravity with weak viscous effects

Published online by Cambridge University Press:  21 April 2006

T. S. Lundgren  and
N. N. Mansour
T. S. Lundgren
Affiliation:
Department of Aerospace Engineering and Mechanics, University of Minnesota, Minneapolis, MN 55455, USA
N. N. Mansour
Affiliation:
NASA Ames Research Center, Moffett Field, CA 94035, USA
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Abstract

Nonlinear oscillations and other motions of large axially symmetric liquid drops in zero gravity are studied numerically by a boundary-integral method. The effect of small viscosity is included in the computations by retaining first-order viscous terms in the normal stress boundary condition. This is accomplished by making use of a partial solution of the boundary-layer equations which describe the weak vortical surface layer. Small viscosity is found to have a relatively large effect on resonant-mode coupling phenomena.

Type
Research Article
Information
Journal of Fluid Mechanics , Volume 194 , September 1988 , pp. 479 - 510
Copyright
© 1988 Cambridge University Press

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