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Un modèle de l'écoulement homogène à l'intérieur d'un tube capillaire adiabatique hélicoïdal.

A homogeneous flow model for adiabatic helical capillary tube.

Auteurs : KALEEM KHAN M., KUMAR R., SAHOO P. K.

Résumé

A mathematical model has been developed to predict the performance of a helical capillary tube under adiabatic flow conditions. The proposed model can predict the length of the adiabatic helical capillary tube for a given mass flow rate or the mass flow rate through a given length of capillary tube. The effect of parameters like condensing pressure, degree of subcooling, pitch of helix and the coil diameter has been studied for the flow of refrigerant R-134a through the adiabatic helical capillary tube. A capillary tube selection chart has been developed, using the proposed model, to predict the mass flow rate of refrigerant R-134a through a capillary of size 1.07 mm diameter and 2 m length.

Détails

  • Titre original : A homogeneous flow model for adiabatic helical capillary tube.
  • Identifiant de la fiche : 2009-1093
  • Langues : Anglais
  • Source : ASHRAE Transactions. 2008 Winter Meeting, New York City, NY. Volume 114, part 1 + CD-ROM.
  • Date d'édition : 19/01/2008

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