Surface Tension Effect on Profile of a Free Vortex

by Nevzat Yildirim,
Subhash C. Jain, (M.ASCE),

Serial Information: Journal of the Hydraulics Division, 1981, Vol. 107, Issue 1, Pg. 132-136

Document Type: Journal Paper


A number of experimental studies have been reported on the similitude in free-surface vortex formation. The knowledge of these similitude relations is of importance in designing intake models to study the prototype conditions that lead to vortex formation. Based on the experimental results it has been generally accepted that the surface tension effects on the formation of the free surface vortex are not important in most test systems. In this technical note, the effect of the surface tension on the surface profile of a free vortex is examined analytically.

Subject Headings: Surface Tension (water properties) | Free surfaces | Vortices

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