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International Journal of Thermophysics

, Volume 10, Issue 1, pp 47–59 | Cite as

PVT relationships in a carbon dioxide-rich mixture with ethane

  • G. J. Sherman
  • J. W. Magee
  • J. F. Ely
Article

Abstract

Comprehensive isochoric PVT measurements have been obtained for the system (0.99 CO2 + 0.01 C2H6). The range of state points studied includes those with densities from 2 to 24 mol·dm−3, temperatures from 245 to 400 K, and pressures to 35 MPa. Extensive comparisons have been made with two predictive conformai solution models, one which uses the 32-term BWR-type equation of Stewart and Jacobsen as a reference and the other using the newer Schmidt-Wagner functional form. Results obtained with the Schmidt-Wagner equation are better in the near-critical region owing to the flatter critical isotherm associated with this functional form.

Key words

carbon dioxide corresponding states ethane mixture PVT data 

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Copyright information

© Plenum Publishing Corporation 1989

Authors and Affiliations

  • G. J. Sherman
    • 1
  • J. W. Magee
    • 1
  • J. F. Ely
    • 1
  1. 1.Thermophysics DivisionNational Institute of Standards and Technology (formerly National Bureau of Standards)BoulderUSA

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