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Studying equilibrium thermophysical properties of simple liquids based on a four-parameter oscillating interaction potentia

  • Thermophysical Properties of Materials
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Abstract

The equilibrium thermodynamic properties of a system with a four-parameter oscillating interaction potential which can be reduced to an oscillating potential with a single varying parameter is studied in the context of the statistical approach. The appearance of a phase transition of the first kind in the system is established. The relations between the geometric characteristics of potential with coordinates of critical points are obtained. The temperature dependences of some thermophysical properties on the phase equilibrium line and in the supercritical region are found. Thermodynamic parameters that depend on temperature and density are represented as functions of a constituting parameter connected with the interaction potential. The results of calculations are compared with the measurement data.

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Authors and Affiliations

  1. Donetsk National Technical University, Donetsk, Ukraine

    I. K. Loktionov

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  1. I. K. Loktionov
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Correspondence to I. K. Loktionov.

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Original Russian Text © I.K. Loktionov, 2014, published in Teplofizika Vysokikh Temperatur, 2014, Vol. 52, No. 3, pp. 402–414.

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Loktionov, I.K. Studying equilibrium thermophysical properties of simple liquids based on a four-parameter oscillating interaction potentia. High Temp 52, 390–402 (2014). https://doi.org/10.1134/S0018151X14020151

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  • DOI: https://doi.org/10.1134/S0018151X14020151

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