Modifications Of The Van Der Waals Equation

Improved Predictions of Liquid Volumes and Thermodynamic Properties From Two Separate Modifications of
the Van Der Waals Equation

Modifications Of The Van Der Waals EquationA series of four papers are presented in which we propose two separate modifications to the original van der Waals equation of state for improved predictions of volumetric and thermodynamic properties of hydrocarbons and several nonhydrocarbons, including water.  In reality, these papers are chiefly of academic interest because more than 100 modifications, e.g. the Redlich-Kwong and Soave equations, have been proposed and tested in the past.  However, the modifications presented here retain the integrity of the original van der Waals equation.  This author has pursued this study more out of a sense of curiosity rather than anything else.

Part 1: Prediction of Saturated Liquid Volumes from a Modified (Beta-Version) van der Waals Equation.           Click here to get Part 1

Part 2: Prediction of Saturated Liquid Volumes from a Modified (Beta-Version) van der Waals Equation (Continued).         Click here to get Part 2

Part 3: Prediction of Vapor Pressures and Mixture VLE from a Second Modification (Alpha-Version) of the van der Waals Equation.         Click here to get Part 3

Part 4: Prediction of Petroleum Fraction Enthalpies from the Second Modification (Alpha-Version) of the van der Waals Equation.         Click here to get Part 4

Synopsis: Overall Summary of the Two Proposed Modifications to the van der Waals Equation of Stat.          Click here to get the synopsis

IMPROVED PREDICTIONS OF LIQUID VOLUMES AND THERMODYNAMIC PROPERTIES FROM TWO SEPARATE MODIFICATIONS OF THE VAN DER WAALS EQUATION

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