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On a Modification of the Two-Term Equation of State

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Abstract—

A simple modification of the well-known two-term equation of state is proposed. The modification makes it possible to extend considerably the range of applicability of this equation of state and improve the accuracy of the results of calculation of thermodynamic quantities obtained by means of this equation, in particular, of such important parameter as the temperature. An example of constructing the modified two-term equation of state for water is given.

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ACKNOWLEDGMENTS

The author wishes to thank A.A. Charakhch’yan for a series of fruitful discussions and submission of certain materials on the equation of state for water.

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  1. Dorodnicyn Computing Center of the Federal Research Center “Computer Science and Control” of the Russian Academy of Sciences, Moscow, Russia

    L. V. Shurshalov

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  1. L. V. Shurshalov
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Correspondence to L. V. Shurshalov.

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Translated by E.A. Pushkar

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Shurshalov, L.V. On a Modification of the Two-Term Equation of State. Fluid Dyn 55, 751–759 (2020). https://doi.org/10.1134/S0015462820060105

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