On the stability of superfluid helium between rotating concentric cylinders |
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| Affiliation: | 1. Department of Soil Science, School of Agriculture, Shiraz University, Shiraz, Iran;2. Department of Earth and Environmental Sciences, Katholieke Universiteit Leuven, Geo-Institute, Celestijnenlaan 200 E, 3001 Leuven, Belgium;3. Soil Physics and Land Management Group, Wageningen University & Research, PO. Box 47, 6700 AA Wageningen, The Netherlands |
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| Abstract: | The stability of the flow of pure superfluid helium between two rotating concentric cylinders is considered. In contrast to the case of classical rotating Couette flow we find that non-axisymmetric disturbances are more important than axisymmetric disturbances. We also find that linear instability can occur when the outer cylinder rotates and the inner cylinder is at rest, a situation which is linearly stable in the classical fluid case. |
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