Author:
VAN DE KONIJNENBERG J. A.,VAN HEIJST G. J. F.
Abstract
The dependence of spin-up in a rectangular tank on deformation
of the
free surface is investigated experimentally. The results agree with earlier
experimental and numerical data about the motion of vortices over topography.
However, the presence of sidewalls
appears to interact with the vortex drift induced by the surface topography.
This
combined effect provides a qualitative explanation for the observed behaviour
of
individual vortices. In particular, in the presence of free-surface deformation,
cyclonic vortices in an elongated rectangle tend to drift away from the
centre of
the tank, so that their merging in the centre is discouraged.
Publisher
Cambridge University Press (CUP)
Subject
Mechanical Engineering,Mechanics of Materials,Condensed Matter Physics
Cited by
11 articles.
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