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Density of the refrigerant fluids of R365mfc and R152a: measurement and prediction.

Number: pap. 2013

Author(s) : ABDALLA M. E., PANNIR. S.

Summary

This work presents the density of new environmentally friendly refrigerants 1,1-difluoroethane (R152a) and 1,1,1,3,3-Pentafluorbutane (R365mfc) in their pure fluid form as well as a mixture. The density is covered in the temperature range of -10°C to 45°C and the pressure range of p=0.65-10.47 bar. The density is measured by a vibrating-tube densitometer (DMA-HPM) manufactured by Anton Paar. The apparatus supplies data in the temperature range of -10°C to 200°C and a pressure range of 0 to 1400 bar, with an uncertainty of 0.1%. The experimental data is validated using the ‘Volume Translated Peng Robinson Equation of State’ and high precision fundamental equations of state by Outcalt and McLinden from the National Institute of Standard and Technology (NIST). Outcalt and McLinden model achieve deviations less than 0.56% for R365mfc and 0.51% for R152a. The deviations of VTPR are within 2.5% and 15% for the pure fluid and the mixture respectively.

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Pages: 10

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Details

  • Original title: Density of the refrigerant fluids of R365mfc and R152a: measurement and prediction.
  • Record ID : 30018891
  • Languages: English
  • Source: 2016 Purdue Conferences. 16th International Refrigeration and Air-Conditioning Conference at Purdue.
  • Publication date: 2016/07/11

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