Hostname: page-component-78c5997874-m6dg7 Total loading time: 0 Render date: 2024-11-06T02:18:31.739Z Has data issue: false hasContentIssue false
  • English
  • Français

Experiments on the stability of hydromagnetic Couette flow

Published online by Cambridge University Press:  28 March 2006

R. J. Donnelly  and
D. R. Caldwell
R. J. Donnelly
Affiliation:
Institute for the Study of Metals and Department of Physics, The University of Chicago, Chicago, Illinois
D. R. Caldwell
Affiliation:
Institute for the Study of Metals and Department of Physics, The University of Chicago, Chicago, Illinois
Get access Rights & Permissions [Opens in a new window]

Abstract

The viscometer investigations of Donnelly & Ozima (1962) on the stability of flow between rotating cylinders in the presence of a magnetic field have been extended by making careful torque measurements in the subcritical range using improved mercury. The results show that a small difference in stability can be observed with conducting cylinders as compared with insulating cylinders. The results also suggest that a heretofore unnoticed instability begins well before the instability studied earlier. This relatively weak instability accounts for some of the anomalous effective viscosity observed by Donnelly & Ozima.

Type
Research Article
Information
Journal of Fluid Mechanics , Volume 19 , Issue 2 , June 1964 , pp. 257 - 263
Copyright
© 1964 Cambridge University Press

Access options

Get access to the full version of this content by using one of the access options below. (Log in options will check for institutional or personal access. Content may require purchase if you do not have access.)

References

Caldwell, D. R. 1963 Oscillating boundary layer in magnetohydrodynamics. I. Nonconducting boundary. II. Conducting boundary. Phys. Fluids (in Press).
Chandrasekhar, S. 1961 Hydrodynamic and Hydromagnetic Stability. Oxford: Clarendon Press.
Di Prima, R. C. 1961 Phys. Fluids, 4, 751.
Donnelly, R. J. & Ozima, M. 1962 Proc. Roy. Soc. A, 266, 272.