Thermodynamics of complex hard body fluids

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Abstract
An equation of state (EOS) for complex hard body fluids is developed by using as input the virial coefficients: this has been called the CY5 EOS. After comparing with molecular simulation data of complex hard body systems, it is concluded that this is a very accurate route for predicting thermodynamic behaviour of such fluid phases. It corrects well established EOSs, like the Carnaham—Starling type equations for had spheres and non-spherical bodies. In addition, it gives new insight into controversial problems, like the demixing phenomena of hard sphere mixtures, produced by large size ratios or the presence of non-additive interactions.

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