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Pool boiling heat transfer to saturated liquid helium from coated surface

Authors
Journal
Cryogenics
0011-2275
Publisher
Elsevier
Publication Date
Volume
29
Issue
6
Identifiers
DOI: 10.1016/0011-2275(89)90113-6
Keywords
  • Heat Transfer
  • Phase Change
  • Superconductors
  • Pool Boiling
Disciplines
  • Physics

Abstract

Abstract Boiling experiments were performed at atmospheric pressure to study the influence of surface coatings on the pool boiling heat transfer to saturated liquid helium from flat surfaces. The parameters of interest were the coating material and the thickness, and the boiling surface inclination. The heat transfer characteristics were related to the surface temperature of the coating and the influences of the coating on boiling heat transfer were discussed. It was established, based on the concept of cold-end recovery of a normal zone, that an insulative coating has an optimum thickness when the coating is utilized to raise the maximum operating current of a superconductor.

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