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A transcritical refrigeration cycle with diabatic capillary tube as an internal heat exchanger.

Author(s) : KRÓLICKI Z.

Summary

Capillary tubes have been used in refrigeration systems for many years, but not in systems using transcritical CO2. The application of capillary tubes in a transcritical CO2 refrigeration cycle have been investigated theoretically. The paper presents a diabatic model of carbon dioxide flow through a capillary tube. The model is based on the fundamental conservation equations of mass, momentum and energy. These equations are solved simultaneously through iterations. Carbon dioxide undergoes a phase change from supercritical fluid flow to subcritical two-phase flow. The overall behaviour of capillary tube in a refrigeration cycle has been analysed.

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Pages: pp. 79-86

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Details

  • Original title: A transcritical refrigeration cycle with diabatic capillary tube as an internal heat exchanger.
  • Record ID : 2010-1052
  • Languages: English
  • Source: Projektowanie i eksploatacja przyjaznych srodowisku systemów chlodniczych i klimatyzacyjnych. Miedzynarodowa konferencja. XL Dni chlodnictwa.
  • Publication date: 2008/10/15

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