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Mesures de la performance d'un caloduc à hydrogène de 7 mm de diamètre.

Performance measurements of a 7-mm diameter hydrogen heat pipe.

Auteurs : ABDEL-BARY M., ABDEL-SAMAD S., KILIAN K., et al.

Type d'article : Article

Résumé

A gravity assisted heat pipe with 7-mm diameter has been developed and tested to cool a liquid hydrogen target for extracted beamexperiments at COSY. The liquid flowing down from the condenser surface is separated from the vapour flowing up by a thin wall 3-mmdiameter plastic tube located concentrically inside the heat pipe. The heat pipe was tested at different inclination angles with respect to the horizontal plane. The heat pipe showed good operating characteristics because of the low radiation heat load from the surroundings, low heat capacity due to the small mass, higher sensitivity to heat loads (to overcome the heat load before the complete vaporization of the liquid in the target cell) due to the higher vapour speed inside the heat pipe which transfers the heat load to the condenser. [Reprinted with permission from Elsevier. Copyright, 2006].

Détails

  • Titre original : Performance measurements of a 7-mm diameter hydrogen heat pipe.
  • Identifiant de la fiche : 2007-1038
  • Langues : Anglais
  • Source : Cryogenics - vol. 47 - n. 3
  • Date d'édition : 03/2007

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