Fluctuations in turbulent He II counterflow
โ Scribed by R.M. Ostermeier; M.W. Cromar; P. Kittel; R.J. Donnelly
- Publisher
- Elsevier Science
- Year
- 1980
- Tongue
- English
- Weight
- 324 KB
- Volume
- 77
- Category
- Article
- ISSN
- 0375-9601
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๐ SIMILAR VOLUMES
The flow structure of a thermal counterflow jet is investigated by direct measurement of the normal fluid velocity with a laser Doppler velocimeter (LDV). The temporal and spatial variation of the normal fluid velocity is measured to investigate the detailed properties of a He II thermal counterflow
Surveys of data on turbulent thermal counterHow in superfluid 'He-'He mixtures of molar concentrations X = 4.6%, 7.2% and 11 .(I% have been collected for the temperature range between 1.30 and 1.70 K. The non-steady character of thermal counterflow in mixtures, caused by the drag on the 'He particle
A method of flow visualization in superfluid helium has been developed by the use of solid H2-D 2 particles and hollow glass spheres as neutrally buoyant tracers to follow the normal component flow. It is applied to the study of a thermal counterflow jet based on pattern recognition of jet profiles