1968
DOI: 10.1063/1.1669687
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PVT Properties of Water. II. Virial Coefficients in the Range 150°–450°C without Independent Measurement of Vapor Volumes

Abstract: The equation of state of steam has been determined at 25° intervals from 150° to 450°C by measuring the mass of water injected into a high-temperature vessel as a function of pressure. The observations have been analyzed by a new method that does not require an independent volume of the vessel and are reported as the second and third virial coefficients and as empirical equations for them. The standard error of the second virial coefficient, taking account of the effects of experimental scatter and of truncati… Show more

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Cited by 103 publications
(31 citation statements)
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“…ASP is the potential described in the text; ASP(S) uses the dispersion function of Szcz,gniak et al instead of the Rijks and Wormer function. a Reference [80] and [81]. b Reference [35].…”
Section: Resultsmentioning
confidence: 99%
“…ASP is the potential described in the text; ASP(S) uses the dispersion function of Szcz,gniak et al instead of the Rijks and Wormer function. a Reference [80] and [81]. b Reference [35].…”
Section: Resultsmentioning
confidence: 99%
“…--, values calculated from square-well potential. (40) r, Kell et al; (41) (45) w · , Haar et al; (46) w, O'Connell and Prausnitz; (47) (57) +, Griskey and Canjar; (58,59) R, McGlashan and Potter; (22) w, Collings and Laughlin; (69) U, Lee and Edmister; (70) $, Pompe and Spurling. (71) calculated using the two potential functions.…”
Section: Discussionmentioning
confidence: 97%
“…A change in K w of 0.1 au changes B by about 3 cm 3 mol a at 673 K, so the value of K w is determined by the second virial coefficient data to within about 0.05. The agreement with experiment at temperatures of 473 K and above is excellent, but at 423 K the calculated second virial coefficient is not as negative as the experimental value of Kell et al [66]. However, after the current work was completed, the recent results of Eubank et al [67] were discovered.…”
Section: +Blfl+b2/? 2'mentioning
confidence: 58%
“…The rms percentage fitting error is 3'9 %, which is smaller than the error in the fit to the penetration energy. The parameter K w is fitted to experimental second virial coefficient data [66]. The second virial coefficient of water can be calculated, neglecting quantum corrections, from the integral…”
Section: Repulsion Energymentioning
confidence: 99%