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A note on the vorticity expulsion hypothesis

Published online by Cambridge University Press:  29 March 2006

P. A. Strittmatter ,
G. Illingworth  and
K. C. Freeman
P. A. Strittmatter
Affiliation:
Mt. Stromlo and Siding Spring Observatories, Research School of Physical Sciences, The Australian National University
G. Illingworth
Affiliation:
Mt. Stromlo and Siding Spring Observatories, Research School of Physical Sciences, The Australian National University
K. C. Freeman
Affiliation:
Mt. Stromlo and Siding Spring Observatories, Research School of Physical Sciences, The Australian National University
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Abstract

The astrophysical importance of the hypothesis that vorticity is expelled from regions of strong turbulence is briefly reviewed. An experiment from which Gough & Lynden-Bell claimed to provide positive evidence of vorticity expulsion has been repeated. The results are reproduced here and are shown to be due to thermally driven circulation currents. No unambiguous laboratory evidence for (or against) the vorticity expulsion hypothesis therefore exists at present.

Type
Research Article
Information
Journal of Fluid Mechanics , Volume 43 , Issue 3 , 16 September 1970 , pp. 539 - 544
Copyright
© 1970 Cambridge University Press

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References

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