Observation of multiple Vinen states in He II counterflow
โ Scribed by R. K. Childers; J. T. Tough
- Publisher
- Springer US
- Year
- 1974
- Tongue
- English
- Weight
- 420 KB
- Volume
- 15
- Category
- Article
- ISSN
- 0022-2291
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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
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
A thermal counterflow jet in stationary superfluid helium (He II) has been investigated using a laser Doppler velocimeter (LDV) with H2-D 2 solid particles as tracer elements in the flow. The average normal fluid velocity measured with the LDV agrees well with a simple theoretical prediction below