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Refrigerant mixtures flow through capillary tubes: a comparison between homogeneous and separated-flow models.

Author(s) : FIORELLI F. A. S., MATTOS SILVARES O. de

Type of article: Article

Summary

This article presents a study on HCFC-22 alternative refrigerant mixture flow through capillary tubes, analysing two different approaches to two-phase flow modelling: separated flow and homogeneous. Simulation results were compared to a large experimental data bank (about 200 different operational conditions/geometries) for R410A and R407C flow through capillary tubes for both subcooled and two-phase inlet conditions, obtained in an experimental unit implemented for this study. The comparison showed that both models are suitable for simulation of refrigerant mixture flow in capillary tubes, with the same error level in relation to experimental data.

Details

  • Original title: Refrigerant mixtures flow through capillary tubes: a comparison between homogeneous and separated-flow models.
  • Record ID : 2004-2124
  • Languages: English
  • Source: HVAC&R Research - vol. 9 - n. 1
  • Publication date: 2003/01
  • Document available for consultation in the library of the IIR headquarters only.

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