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Thermodynamic properties of ammonia in the critical region.

Author(s) : EDISON T. A., SENGERS J. V.

Type of article: Article, IJR article

Summary

A theoretical based crossover model, which incorporates a crossover from singular thermodynamic behaviour at the critical point to regular thermodynamic behaviour far away from the critical point, is presented for the thermodynamic properties of ammonia. The equation is capable of representing the thermodynamic properties of ammonia between 398 and 500 K in an appreciable range of densities around the critical density. The crossover equation of state was constructed so that it can be used in conjunction with the classical equation of state developed by Tillner-Roth et al. (TR EOS), which works well outside the critical region. The authors also compared their crossover equation of state with the widely used equation of state for ammonia developed earlier by Haar and Gallagher (HG EOS).

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Pages: 365-378

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Details

  • Original title: Thermodynamic properties of ammonia in the critical region.
  • Record ID : 2000-1717
  • Languages: English
  • Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 22 - n. 5
  • Publication date: 1999/08

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