Dissipative Flow of Liquidin the Limit of Absolute Zero
- 22 September 1986
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review Letters
- Vol. 57 (12) , 1448-1451
- https://doi.org/10.1103/physrevlett.57.1448
Abstract
The problem of dissipative superflow in the absence of normal-fluid friction is considered within the hydrodynamic approximation. It is found that microscopic surface roughness gives rise to new mechanisms of dissipative vortex motion and vortex regeneration, accounting not only for the critical velocities at which self-sustaining dissipation becomes possible, but also for the occurrence of discrete dissipative events in oscillating flow.Keywords
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