Observation of steady inhomogeneous flow states in capillary flow of helium II
โ Scribed by R.P. Slegtenhorst; G. Marees; H. van Beelen
- Publisher
- Elsevier Science
- Year
- 1981
- Weight
- 149 KB
- Volume
- 108
- Category
- Article
- ISSN
- 0378-4363
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๐ SIMILAR VOLUMES
THE hydrodynamic properties of liquid helium-II present a complex picture. In thermally induced flow the superfluid exhibits a well defined critical velocity above which non-linear frictional forces appear. 1 These have been explained in terms of turbulence in the superfluid. In isothermal flow the
The Gorter-Mellink equation of steady-state heat transfer in He II is used to develop a method of calculating the peak heat flux for a magnet cooled in a bath of He II. It is shown that the equivalent thermal resistance of a series or parallel arrangement of linear cooling channels is given by ReQ =
It is demonstrated that a simple, "'one-dimensional'" balance equation for the superfluid vorticity can already account for the occurrence of the wmous types of nonuniform distributions of superfluid turbulence observed in capillary flow of helium I1. Expressions for the rates of creation and annihi