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Evaluation and predicting thermodynamic properties of alternative refrigerant fluids.

Number: pap. C5-084

Author(s) : MOBINIPOUYA M. R., PAPARI M. M.

Summary

A numerical procedure has successfully predicted accurate values of thermodynamic properties in seven cubic equations of state (EOS) in predicting thermodynamic properties of nine ozone-safe refrigerants both in super and sub-critical regions. Refrigerants include R22, R32, R123, R124, R125, R134a, R141b, R143, and R152a and equations of state, considered here, are Ihm-Song-Mason (ISM), Peng-Robinson (PR), Redlich-Kwong (RK), Soave-Redlikh-Kwong (SRK), Modified Redlickh-Kwong (MRK), Nasrifar-Moshfeghian (NM), and TCC are shown in this paper. In general, the results are in favor of the preference of TCC and PR EOS over other remaining EOS's in predicting gas densities of all aforementioned refrigerants in both super and sub critical regions. Typically, PR and SRK are in good agreement with those obtained from recent correlations and speed of sound measurements. Therefore, these two EOS stand over other EOS both in sub and super critical regions.

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Pages: 4 p.

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Details

  • Original title: Evaluation and predicting thermodynamic properties of alternative refrigerant fluids.
  • Record ID : 30005354
  • Languages: English
  • Subject: HFCs alternatives
  • Source: ACRA2010. Asian conference on refrigeration and air conditioning: Tokyo, Japan, June 7-9, 2010.
  • Publication date: 2010/06/07

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