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Fluid Phase Equilibria is a peer-reviewed scientific journal on physical chemistry and thermodynamics that is published by Elsevier.The articles deal with experimental, theoretical and applied research related to properties of pure components and mixtures, especially phase equilibria, caloric and transport properties of fluid and solid phases.
VTPR (short for Volume-Translated Peng–Robinson) [1] [2] is an estimation method for the calculation of phase equilibria of mixtures of chemical components. The original goal for the development of this method was to enable the estimation of properties of mixtures which contain supercritical components.
Today the UNIQUAC model is frequently applied in the description of phase equilibria (i.e. liquid–solid, liquid–liquid or liquid–vapor equilibrium). The UNIQUAC model also serves as the basis of the development of the group contribution method UNIFAC, [3] where molecules are subdivided into functional groups. In fact, UNIQUAC is equal to ...
The high value reflects the ordered structure caused by hydrogen bonds. However, in the description of liquid-liquid equilibria the non-randomness parameter is set to 0.2 to avoid wrong liquid-liquid description. In some cases a better phase equilibria description is obtained by setting =. [7]
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Fluid Dynamics Research; Flow, Turbulence and Combustion; International Journal for Numerical Methods in Fluids; International Journal of Multiphase Flow; Journal of Aircraft; Journal of Chemical Physics; Journal of Computational Physics; Journal of Experiments in Fluid Mechanics; Journal of Fluid Mechanics; Journal of Physics A
PSRK (short for Predictive Soave–Redlich–Kwong) [1] is an estimation method for the calculation of phase equilibria of mixtures of chemical components. The original goal for the development of this method was to enable the estimation of properties of mixtures containing supercritical components.
The simplest phase diagrams are pressure–temperature diagrams of a single simple substance, such as water. The axes correspond to the pressure and temperature. The phase diagram shows, in pressure–temperature space, the lines of equilibrium or phase boundaries between the three phases of solid, liquid, and gas.