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Document IIF

Chute de pression lors de la condensation du R410A à l’intérieur des minicanaux multi-port horizontaux.

Pressure drop during condensation of R410A inside horizontal multiport Minichannels.

Numéro : pap. TP-0034

Auteurs : VU P. Q., CHOI K., OH J., et al.

Résumé

In this study, the pressure drop’s characteristics during condensation were investigated in an experiment of R410A flowing inside three types of multi-port tubes. Two types of multiport minichannels have 8 channels with a 1.16 mm hydraulic diameter and 11 channels with 1.14 mm hydraulic diameter. The test sections were designed as a counter flow tube in a tube exchanger. The experiment is performed with mass fluxes of refrigerant between 50-400 kg/m2s, 3-12kW/m2 of heat fluxes, and saturation temperature of 48°C. The frictional pressure gradient increased with increasing of mass flux and vapor quality but insignificant effect on with heat flux. The experimental results are compared with some well-known correlations for frictional pressure gradient in mini and micro channels.

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Pages : 8

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Détails

  • Titre original : Pressure drop during condensation of R410A inside horizontal multiport Minichannels.
  • Identifiant de la fiche : 30021534
  • Langues : Anglais
  • Source : 5th IIR Conference on Thermophysical Properties and Transfer Processes of Refrigerants.
  • Date d'édition : 23/04/2017
  • DOI : http://dx.doi.org/10.18462/iir.tptpr.2017.0034

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