Second virial coefficients of fuel-gas components: (carbon monoxide + nitrogen) and (carbon monoxide + ethene)

1995 ◽  
Vol 27 (7) ◽  
pp. 755-761 ◽  
Author(s):  
P.J. Mcelroy ◽  
S. Buchanan
1980 ◽  
Vol 58 (6) ◽  
pp. 820-827 ◽  
Author(s):  
M. D. Whitmore ◽  
D. A. Goodings

The classical second virial coefficients B(T) for nitrogen and carbon monoxide have been calculated exactly as a function of temperature for three different realistic models of the intermolecular potential. The potential models, due to Kohin, Raich and Mills, and Raich and Gillis, differ mainly, but not solely, in the way in which they represent the short-range Coulomb repulsion between molecules. As this interaction depends on the molecules' shapes, it is highly anisotropic. To ensure good accuracy in the results for B(T) the angular and radial integrals were performed by suitable Gaussian integration methods.The contributions to B(T) of various anisotropic terms are considered, and a power series expansion in terms of the anisotropic part of the potential discussed. The calculated results are compared with experiments, and some general conclusions drawn.


ChemInform ◽  
1987 ◽  
Vol 18 (50) ◽  
Author(s):  
S. F. BARREIROS ◽  
J. C. G. CALADO ◽  
M. NUNES DA PONTE ◽  
G. SAVILLE

1987 ◽  
Vol 19 (9) ◽  
pp. 941-947 ◽  
Author(s):  
Susana F Barreiros ◽  
Jorge C.G Calado ◽  
Manuel Nunes Da Ponte ◽  
Graham Saville

2000 ◽  
Vol 65 (9) ◽  
pp. 1464-1470 ◽  
Author(s):  
Anatol Malijevský ◽  
Tomáš Hujo

The second and third virial coefficients calculated from the Bender equation of state (BEOS) are tested against experimental virial coefficient data. It is shown that the temperature dependences of the second and third virial coefficients as predicted by the BEOS are sufficiently accurate. We conclude that experimental second virial coefficients should be used to determine independently five of twenty constants of the Bender equation. This would improve the performance of the equation in a region of low-density gas, and also suppress correlations among the BEOS constants, which is even more important. The third virial coefficients cannot be used for the same purpose because of large uncertainties in their experimental values.


Sign in / Sign up

Export Citation Format

Share Document