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Design parametric study of a lateral configured diabatic straight capillary tube with R-134a.

Étude paramétrique de la conception d’un tube capillaire diabatique droit de configuration latérale utilisant le R-134a.

Numéro : pap. n. 379

Auteurs : DUBBA S. K., KUMAR R.

Résumé

An experimental investigation was conducted to observe the effect of sub-cooling degree on the mass flow rate of R-134a through a diabatic laterally configured straight capillary tube. The variation of mass flow rate of refrigerant through the capillary with the sub-cooling degree is observed to be independent of capillary tube geometry and the inlet pressure. When the diameter of the capillary tube decreased from 1.52 mm to 1.27 mm, the mass flow rate through the capillary tube also decreased by 16 percent. Also The mass flow rate of refrigerant was observed to increase by 12 to 17 percentage in all the tested capillary tubes with an increase of sub-cooling from 6°C to 9°C.

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Pages : 6

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Détails

  • Titre original : Design parametric study of a lateral configured diabatic straight capillary tube with R-134a.
  • Identifiant de la fiche : 30026413
  • Langues : Anglais
  • Source : Proceedings of the 25th IIR International Congress of Refrigeration: Montréal , Canada, August 24-30, 2019.
  • Date d'édition : 24/08/2019
  • DOI : http://dx.doi.org/10.18462/iir.icr.2019.0379

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