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International Journal of Thermophysics

, Volume 29, Issue 2, pp 546–556 | Cite as

Thermodynamic Properties of HFC-236ea

  • V. A. Gruzdev
  • R. A. Khairulin
  • S. G. Komarov
  • S. V. Stankus
Article

Abstract

The density of gaseous and liquid 1,1,1,2,3,3-hexafluoropropane (HFC-236ea) and the speed of sound in liquid HFC-236ea have been studied by a γ-attenuation technique, an ultrasonic interferometer, and an isochoric piezometer method over the temperature range of 263–423 K at pressures up to 4.05 MPa. The purity of the samples used throughout the measurements is 99.68 mol%. The pressures of the saturated vapor were measured over the same temperature range. The experimental uncertainties of the temperature, pressure, density, and speed-of-sound measurements were estimated to be within ±20 mK, ±1.5 kPa, ±(0.05–0.30)%, and ±(0.05–0.10)%, respectively.

Keywords

Density Gamma densimeter HFC-236ea Isochoric piezometer Speed of sound Ultrasonic interferometer Vapor pressure 

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Copyright information

© Springer Science+Business Media, LLC 2008

Authors and Affiliations

  • V. A. Gruzdev
    • 1
  • R. A. Khairulin
    • 1
  • S. G. Komarov
    • 1
  • S. V. Stankus
    • 1
  1. 1.Institute of ThermophysicsSiberian Branch of the Russian Academy of SciencesNovosibirskRussia

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