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A simple demonstration of the Hartmann layer

Published online by Cambridge University Press:  28 March 2006

W. H. Heiser  and
J. A. Shercliff
W. H. Heiser
Affiliation:
Department of Mechanical Engineering, Massachusetts Institute of Technology
J. A. Shercliff
Affiliation:
School of Engineering Science, University of Warwick, Coventry
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Abstract

This paper gives the theory of the motion of a finitely conducting, viscous liquid between long, concentric, rotating cylinders under a radial magnetic field in the case of high Hartmann number. Because the current and vorticity contents of a Hartmann layer are related, it is easy to predict the behaviour in both steady and unsteady states. Experiments with mercury which confirm the theory closely are described. As these were developed for an educational film on magnetohydrodynamics, they have the attraction that the results are immediately obvious to the observer.

Type
Research Article
Information
Journal of Fluid Mechanics , Volume 22 , Issue 4 , August 1965 , pp. 701 - 707
Copyright
© 1965 Cambridge University Press

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References

Shercliff, J. A. 1953 Proc. Camb. Phil. Soc. 49, 136.
Shercliff, J. A. 1956 J. Fluid Mech. 1, 644.
Shercliff, J. A. 1965 Magnetohydrodynamics, a film produced by Educational Services Incorporated, Watertown, Massachusetts, U.S.A.