IIR document

Modelling the bleed port of a thermostatic expansion valve.

Author(s) : NDIAYE D., BERNIER M.

Type of article: Article, IJR article

Summary

This article presents a model to predict refrigerant flow rate through the bleed port of a thermostatic expansion valve using a separated flow model. Four types of inlet/outlet conditions: liquid/liquid; liquid/two-phase; two-phase/two-phase; and vapour/vapour are studied. Refrigerant flow rate predictions of the model are compared to measured data. The results of this comparison show that the model is within plus or minus 20% for 95% of the experimental data corresponding to either an inlet fluid in a subcooled or a two-phase state. When the inlet fluid is in a vapour state, the model is able to predict 96% of the experimental data within plus or minus 16%.

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Pages: 826-836

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Details

  • Original title: Modelling the bleed port of a thermostatic expansion valve.
  • Record ID : 2009-1538
  • Languages: English
  • Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 32 - n. 5
  • Publication date: 2009/08

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