Similarity Decay of Enstrophy in an Electron Fluid
Journal Article
·
· Physical Review Letters
- Department of Physics and Astronomy, University of Delaware, Newark, Delaware 19716 (United States)
- Department of Physics and Astronomy, Dartmouth College, Hanover, New Hampshire 03755 (United States)
A similarity decay law is proposed for enstrophy of a one-signed-vorticity fluid in a circular free-slip domain. It excludes the metastable equilibrium enstrophy which cannot drive turbulence, and approaches Batchelor's t{sup -2} law for strong turbulence. Measurements of the decay of a turbulent electron fluid agree well with the predictions of the decay law for a variety of initial conditions.
- OSTI ID:
- 21554444
- Journal Information:
- Physical Review Letters, Journal Name: Physical Review Letters Journal Issue: 23 Vol. 105; ISSN 0031-9007; ISSN PRLTAO
- Country of Publication:
- United States
- Language:
- English
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