Properties of nonsteady-state heat transfer to superfluid helium
β Scribed by V. M. Miklyaev; I. A. Sergeev; Yu. P. Filippov
- Book ID
- 105073367
- Publisher
- Springer US
- Year
- 1988
- Tongue
- English
- Weight
- 484 KB
- Volume
- 54
- Category
- Article
- ISSN
- 1573-871X
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π SIMILAR VOLUMES
Different types of porous materials as surface coatings on samples (RhFe wire) are investigated at Hells and HeIIp in respect to their influences on the heat transfer. Experimental results of measurements on samples with and without coatings are presented. Wires covered with capillary filter plates
Considering the basic heat transfer rules of superfluid helium and the phase diagram of helium, pressure effects on heat transfer to HeII are especially studied. If the bath pressure is less than -Pressure (P ), special peak heat flux density relations are shown to correlate bath pressure, hydrostat
The temperature rise due to a step-wise pulse current/heat through horizontally immersed thin wires in a bath of sub-cooled superfluid helium (HelIp) is studied. Simplifications are made to establish the mathematical model according to the transient heat transfer characteristics of Hellp. The comput