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Experimental validation of a numerical model of a vapour-compression refrigeration system.

Author(s) : KOURY R. N. N., MACHADO L., ISMAIL K. A. R.

Summary

The test bench employed is constituted of a reciprocating compressor, two parallel expansion devices (one manual and one thermostatic), and an evaporator and a condenser, being the heat exchangers counter-flow multitubes. The refrigeration fluid employed was R134a and the secondary fluids were water (condenser) and a mixture of water and ethylene glycol (evaporator). A data acquisition system recorded all data. The numerical model results related to the temperature values, represented an absolute deviation smaller than 1.5 °C and those error-related to the mass flow rate, smaller than 4%.

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Details

  • Original title: Experimental validation of a numerical model of a vapour-compression refrigeration system.
  • Record ID : 2000-1274
  • Languages: English
  • Source: 20th International Congress of Refrigeration: Refrigeration into the Third Millennium.
  • Publication date: 1999/09/19

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