Fluctuations and superfluid flow
โ Scribed by P. Gluck
- Publisher
- Elsevier Science
- Year
- 1974
- Tongue
- English
- Weight
- 122 KB
- Volume
- 15
- Category
- Article
- ISSN
- 0038-1098
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๐ SIMILAR VOLUMES
Fluctuations and odd-even effects in small superfluid systems at finite temperature are investigated by means of the static path plus RPA approximation. A general derivation of this method is presented, which allows a straightforward implementation in statistical ensembles with fixed number parity (
Flowing superflu~d hehum cav=tates much more readdy than normal hqu=d hehum, and there ts a marked difference =n the cavitation behav=our of the two flmds as the lambda point is traversed Examples of cavJtatton m a turbine meter and centnfugal pump are gtven together wtth measurements of the cavttat
Flow characteristics of superfluid helium through porous elements of thermomechanical pumps were experimentally studied with special emphasis on the critical heat input which bounds the ideal flow regime and the superfluid turbulent flow regime. The dependence of the critical heat input on the tempe