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International Journal of Thermophysics

, Volume 35, Issue 11, pp 2158–2165 | Cite as

Perspectives of Applicability and Validity of Tait Equation for Liquids

  • V. N. Verveyko
  • M. V. Verveyko
  • Yu. F. Melikhov
  • G. A. Melnikov
Article

Abstract

Recently, a number of state equations for liquids have been proposed but none of them has a universal character (the possibility of application to all classes of liquids) as well as a sufficient theoretical basis and necessary accuracy. One of the most well-known empirical state equations of liquids is the Tait equation and its modified versions. A theoretical justification of the Tait equation does not exist despite numerous attempts to solve this problem. The authors have verified the Tait equation for aromatic hydrocarbons and nematic liquid crystals on the basis of experimental density data. The above mentioned studies allow concluding that the Tait equation can be used for prediction of the density over a wide range of pressures for different classes of liquids if the data taken from a narrow range of pressures are known. Theoretical justification of the empirical Tait equation is possible within the cluster model proposed by the authors.

Keywords

Cluster theory Density Distribution function  High pressure Tait equation 

Notes

Acknowledgments

The work was supported by the Ministry of Education and Science of the Russian Federation (Governmental Assignment Number 2014/349, Project Number 1437).

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Copyright information

© Springer Science+Business Media New York 2014

Authors and Affiliations

  • V. N. Verveyko
    • 1
  • M. V. Verveyko
    • 1
  • Yu. F. Melikhov
    • 1
  • G. A. Melnikov
    • 1
  1. 1.Physics and Mathematics DepartmentKursk State UniversityKurskRussia

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