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Approximation of the real state equation of hydrogen at high compression levels obtained in physical experiments

Yagupov Stanislav Alexandrovich  (Candidate of Physico-Mathematical Sciences Ural State University of Railway Transport )

Discusses the mathematical simulation of isentropic compression of hydrogen with real state equation [9] up to o large values of densities. At these density values in the behavior of isentropy there is a certain anomaly, which is associated [9] with the transition of molecular hydrogen into atomic phase. At this period change the density of hydrogen does not satisfy the properties of the normal gas. The real equation of state of hydrogen [9] for large values of the pressure approximated by different functions, including different parts of the density changes. Set the error of these approximations. The obtained approximation can be used for subsequent mathematical modeling at high degrees of compression of hydrogen.

Keywords:The real state equation of hydrogen, compression up to large values of density, approximation of analytic functions.
 

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Citation link:
Yagupov S. A. Approximation of the real state equation of hydrogen at high compression levels obtained in physical experiments // Современная наука: актуальные проблемы теории и практики. Серия: Естественные и Технические Науки. -2016. -№04. -С. 58-63
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