Extension of a quartic equation of state to pure polar fluids
β Scribed by Lian-yun Zang; Qing-li Zhu; Zhi Yun
- Publisher
- John Wiley and Sons
- Year
- 2011
- Tongue
- English
- Weight
- 162 KB
- Volume
- 89
- Category
- Article
- ISSN
- 0008-4034
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π SIMILAR VOLUMES
## Augmented BACK Equation of State for Polar Fluids The pressure of water is decoupled into a polar pressure and a nonpolar pressure, the latter being obtained from the BACK equation based on the size and nonpolar energy of the water molecule determined by Jorgensen and coworkers. The polar press
## Abstract The Helmholtz energy F is written as the sum F = F~H~ + F~A~ + F~Pol~, where F~H~ is the hardβbody contribution, F~A~ the attractive dispersion force contribution, and F~Pol~ either the quadrupolar or dipolar contribution. Here, a new expression for F~A~ is constructed by a simultaneous
## A Generalized Equation of State for the Thermodynamic Properties of Polar Fluids The generalized relationships of Lee and Kesler for the thermodynamic properties of nonpolar fluids have been combined with an accurate equation of state for water which is utilized as the reference substance for p
The augmented BACK equation of state for polar fluids is extended to mixtures by introducing mixing rules separately for the nonpolar and polar interactions. Fluid phase equilibria are calculated for polar + nonpolar, and polar + polar mixtures including mixtures of hydrogen-bonding substances. Enth