A generalized equation for computer calculation of liquid densities

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書誌事項

公開日
1966-01
権利情報
  • http://onlinelibrary.wiley.com/termsAndConditions#vor
DOI
  • 10.1002/aic.690120119
公開者
Wiley

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<jats:title>Abstract</jats:title><jats:p>A generalized equation explicitly relating reduced density to reduced temperature and reduced pressure has been developed for calculating liquid densities of pure compounds on a digital computer. The analytical formulation is based mainly on a modified corresponding states principle and the graphical correlation of Lydersen, Greenkorn, and Hougen. The calculated densities from the equation reproduce the literature data within 2% for sixty‐two saturated liquids and nineteen compressed liquids.</jats:p><jats:p>With the aid of a pseudocritical method and a generalized equation of vapor pressure, the same equation is readily applied to the estimation of liquid mixture densities. The method of Prausnitz and Gunn is chosen for the evaluation of pseudocritical constants. For fifteen binary systems, one ternary system, and one quinary system, the one hundred fifty‐nine calculated densities agree with the literature data to within 3%. This method is limited to pseudoreduced temperatures less than 1.0.</jats:p>

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