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Chute de pression lors de l'écoulement forcé d'He II pour les nombres de Reynolds élevés.

Pressure drop in forced flow He II at high Reynolds numbers.

Auteurs : FUZIER S., MAIER S., SCIVER S. W. van

Résumé

A forced flow experiment is carried out using a bellows pump to push the superfluid helium through an experimental loop containing a 10 mm ID smooth straight test section. Pressure drop has been measured for velocities up to 18 m/s and bath temperature of 1.7, 1.85 and 2 K. The friction factors measured are compared with results from previous experiments and classical fluid correlations. Measurements of absolute pressure at the end of the experiment indicate the presence of cavitation at medium velocities, which move to the diffuser at higher velocities.

Détails

  • Titre original : Pressure drop in forced flow He II at high Reynolds numbers.
  • Identifiant de la fiche : 2006-0029
  • Langues : Anglais
  • Source : Proceedings of the nineteenth International Cryogenic Engineering Conference. ICEC 19.
  • Date d'édition : 22/07/2002

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