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Flux thermique critique dans l'écoulement forcé d'He II sous pression.

Critical heat flux in forced flow of pressurized He II.

Auteurs : OKAMURA T., TATSUMOTO H., HATA K., et al.

Résumé

Forced convection cooling may become necessary for a superconducting magnet to realize a high magnetic field required. A new experimental apparatus for forced flow heat transfer of pressurized He II is developed. Critical heat flux (CHF) has been measured as a function of the flow velocities ranging from 0 to 1.34 m/s and for the inlet liquid temperatures of 1.8, 1.9, 2.0 and 2.1 K. The CHFs reached about 2.2 times of those for 0 velocity at the maximum flow velocity of 1.34 m/s, independently of the inlet liquid temperature. Temperature distribution along the duct has been measured by using ruthenium oxide sensors.

Détails

  • Titre original : Critical heat flux in forced flow of pressurized He II.
  • Identifiant de la fiche : 2006-0039
  • Langues : Anglais
  • Source : Proceedings of the nineteenth International Cryogenic Engineering Conference. ICEC 19.
  • Date d'édition : 22/07/2002

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