APPLICATION CHARACTERISTICS OF SPHERICAL MOLECULE FOR CALCULATION AND GENERALIZATION OF THE THERMODYNAMIC PROPERTIES OF GASES

Authors

  • В. И. Недоступ Физико-химический институт им. А.В. Богатского Национальной академии наук Украины, Люстдорфская дорога, 86, г. Одесса, 65080, Украина, Ukraine
  • О. В. Недоступ Физико-химический институт им. А.В. Богатского Национальной академии наук Украины, Люстдорфская дорога, 86, г. Одесса, 65080, Украина, Ukraine

DOI:

https://doi.org/10.18198/j.ind.gases.2005.0176

Keywords:

Criteria of thermodynamic similarity, Model potentials, Thermodynamic properties

Abstract

The proposed before spherical model of polyatomic molecules with the characteristics calculated by the definite method were used in the development of calculation for thermodynamic properties. First of all, the model allows to choice the adequate potential of intermolecular interaction with the substantiated steepness of repulsion. It has been shown that criteria of similarity can be formed on the base of spherical characteristics of polyatomic molecules as well as their application in various generalized correlations. The methods for the application of this approach on the gas mixtures (for which criteria correlation are not applied as a rule) have been considered as well. The main advantage of the proposed methods is that there is no necessity to use experimental information about properties and this fact allows to use them in the pre-calculation of properties of unstudied compounds.

Author Biographies

В. И. Недоступ, Физико-химический институт им. А.В. Богатского Национальной академии наук Украины, Люстдорфская дорога, 86, г. Одесса, 65080, Украина

V.I. Nedostup

О. В. Недоступ, Физико-химический институт им. А.В. Богатского Национальной академии наук Украины, Люстдорфская дорога, 86, г. Одесса, 65080, Украина

O.V. Nedostup

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Issue

No. 3 (2005): Технические газы

Section

THERMOPHYSICAL PROPERTIES OF GASES AND THEIR MIXTURES. THERMODYNAMIC ANALYSIS OF PROCESSES IN LOW-TEMPERATURE SYSTEMS

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