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Pressure-Volume-Temperature Relationships of Gases Virial Coefficients.


AD719749

Publication Date 1971
Personal Author Sengers, J. M. H. L.; Klein, M.; Gallagher, J. S.
Page Count 56
Abstract Tables of second virial coefficients as functions of temperature are presented for 14 gases. These gases are mainly noble gases and constituents of air. In most cases, these are based on a reexamination of the original P-V-T data. Where necessary and possible, these data have been refitted and improved experimental virials determined. In the case of eight of these gases, it has been possible to fit the experimental second virials to those predicted by the (m,6) potential function and potential parameters determined. In almost all cases, an optimum fit was obtained for m = 18. The optimum potential function was used for extrapolating the tables somewhat beyond the experimental range, and for obtaining temperature derivatives of B. In the case of the other six substances virial coefficients predicted by the (m,6) functions were used as a smoothing aid. Experimental third virial coefficients are presented at the experimental temperatures. A table of Boyle and Joule-Thomson inversion temperatures is also presented. (Author)
Keywords
  • Gases
  • Thermodynamics
  • Helium group gases
  • Air
  • Oxygen
  • Nitrogen
  • Water
  • Heavy water
  • Methane
  • Carbon dioxide
  • Tables
  • Virial coefficients
Source Agency
  • Invalid Source Agency Code
NTIS Subject Category
  • 99F - Physical & Theoretical Chemistry
Corporate Authors National Bureau of Standards Washington D C Heat Div
Document Type Technical Report
Title Note Final rept. Jul 69-Oct 70.
NTIS Issue Number 197108
Pressure-Volume-Temperature Relationships of Gases Virial Coefficients.
Pressure-Volume-Temperature Relationships of Gases Virial Coefficients.
AD719749

  • Gases
  • Thermodynamics
  • Helium group gases
  • Air
  • Oxygen
  • Nitrogen
  • Water
  • Heavy water
  • Methane
  • Carbon dioxide
  • Tables
  • Virial coefficients
  • Invalid Source Agency Code
  • 99F - Physical & Theoretical Chemistry
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