Control of vortex breakdown in a closed cylinder with a small rotating rod
Identifieur interne : 009751 ( Main/Merge ); précédent : 009750; suivant : 009752Control of vortex breakdown in a closed cylinder with a small rotating rod
Auteurs : D. Lo Jacono [Australie] ; J. N. Sorensen [Danemark] ; M. C. Thompson [Australie] ; K. Hourigan [Australie]Source :
- Journal of fluids and structures [ 0889-9746 ] ; 2008.
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- Pascal (Inist)
English descriptors
- KwdEn :
Abstract
Effective control of vortex breakdown in a cylinder with a rotating lid was achieved with small rotating rods positioned on the stationary lid. After validation with accurate measurements using a novel stereoscopic particle image velocimetry (SPIV) technique, analysis of numerical simulations using a high-order spectral element method has been undertaken. The effect of a finite length rod creates additional source terms of vorticity as the rod rotates. These additional source terms and their spatial locations influence the occurrence of the vortex breakdown.
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Pascal:09-0137572Le document en format XML
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<profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Cantilever beam</term>
<term>Modelling</term>
<term>Particle image velocimetry</term>
<term>Rotating beam(mechanics)</term>
<term>Rotating cylinder</term>
<term>Spectral element method</term>
<term>Stationary condition</term>
<term>Stereoscopy</term>
<term>Vortex breakdown</term>
<term>Vortex flow</term>
<term>Vortices</term>
<term>Vorticity</term>
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<keywords scheme="Pascal" xml:lang="fr"><term>Eclatement tourbillonnaire</term>
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<term>Ecoulement tourbillonnaire</term>
<term>Poutre cantilever</term>
<term>Poutre tournante</term>
<term>Cylindre tournant</term>
<term>Modélisation</term>
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<front><div type="abstract" xml:lang="en">Effective control of vortex breakdown in a cylinder with a rotating lid was achieved with small rotating rods positioned on the stationary lid. After validation with accurate measurements using a novel stereoscopic particle image velocimetry (SPIV) technique, analysis of numerical simulations using a high-order spectral element method has been undertaken. The effect of a finite length rod creates additional source terms of vorticity as the rod rotates. These additional source terms and their spatial locations influence the occurrence of the vortex breakdown.</div>
</front>
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<name sortKey="Hourigan, K" sort="Hourigan, K" uniqKey="Hourigan K" first="K." last="Hourigan">K. Hourigan</name>
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<country name="Danemark"><noRegion><name sortKey="Sorensen, J N" sort="Sorensen, J N" uniqKey="Sorensen J" first="J. N." last="Sorensen">J. N. Sorensen</name>
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