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Surface tension of refrigerant mixtures: Integral equation method.

Author(s) : KHORDAD R.

Type of article: Article, IJR article

Summary

In this work, we have used the integral equations method to compute the surface tension of several refrigerant mixtures. For this goal, we have employed the Stockmayer potential and examined theoretically the surface tension of several pure refrigerants like R134a, R32, R125, R152a, R1234yf, R1234ze and also refrigerant mixtures such as R32?+?R125, R32?+?R134a, R125?+?R134a, R125?+?R143a, and R143a?+?R134a, R125?+?R152a, R134a?+?R152a, R32?+?R1234ze, R32?+?R1234yf and R290?+?R600a. We have solved numerically the Ornstein-Zernike (OZ) equation using the hypernetted chain approximation (HNC) for binary refrigerant mixtures and obtained the radial distribution functions. Finally, the variation of surface tension as a function of temperature is studied using a new molecular thermodynamic model and the obtained results have been compared with available results. Our theoretical results show a fairly agreement with available data except for R290?+?R600a.

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Pages: 73-81

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Details

  • Original title: Surface tension of refrigerant mixtures: Integral equation method.
  • Record ID : 30023033
  • Languages: English
  • Subject: HFCs alternatives
  • Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 86
  • Publication date: 2018/02
  • DOI: http://dx.doi.org/10.1016/j.ijrefrig.2017.11.027

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