ShareHeat transport in insulation of cables cooled by superfluid helium.
Author(s) : MEURIS C.
Type of article: Article
Summary
For niobium-titanium magnets cooled by superfluid helium the most severe thermal barrier comes from the electrical insulation of the cable. The thermal behaviour of helium II inside the kapton layers cannot be predicted theoretically. Experiments are carried out to measure the difference in temperature between the insulated conductors and a bath of superfluid helium, when the conductors are heated, and to determine the helium II paths through the insulation. The measured thermal resistance includes the resistance of the kapton tape which is wrapped around the cable and the resistance of the cooling channels which are formed by the fibreglass ribbon around the kapton.
Details
- Original title: Heat transport in insulation of cables cooled by superfluid helium.
- Record ID : 1993-0041
- Languages: English
- Source: Cryogenics - vol. 31 - n. 7
- Publication date: 1991/07
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