2001•WIT transactions on modelling and simulationRequires access

The Effect Of Surface Tension And SurfaceFriction On The Free Surface Flow In A Two-Dimensional Channel

D.B. Ingham, Xin Wen, Donald Whitley Woodhead

Abstract

A boundary integral technique is developed for steady two-dimensional, irrotational, incompressible fluid flow with a free surface in a two-dimensional channel. The effects of surface tension and surface friction on the free surface profile are investigated. The numerical solutions indicate that the surface tension tends to increase the curvature of the free surface whilst the surface friction tends to smoothen out the free surface profile and it dampens the effect of the surface tension.

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Key concepts: Free surface, Surface tension, Capillary surface, Open-channel flow, Surface (topology), Mechanics, Specific surface energy, Conservative vector field