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Equations of State for Calculating the Pressures of Shock-Wave Compression of Pentaerythritol Tetranitrate (PETN)

  • THERMOPHYSICAL PROPERTIES
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Journal of Engineering Physics and Thermophysics Aims and scope

An approach is proposed making it possible to construct the shock adiabats of molecular crystals of nitro compounds based on the data on their isothermal compression. For this purpose, an equation of state for a crystal of pentaerythritol tetranitrate (PETN) was constructed. The employed comparative analysis of the experimental data on the shock-wave compression of a simple PETN crystal with calculations carried out using the proposed approach to converting the isothermal compression pressures to the shock adiabat and the constructed equation of state of the PETN showed that the experimental and calculated pressure values are within the experimental error.

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Authors and Affiliations

  1. South-Ural State University (National Research University), 76 Lenin Ave, Chelyabinsk, 454080, Russia

    Yu. M. Kovalev & E. V. Pomykalov

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  1. Yu. M. Kovalev
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  2. E. V. Pomykalov
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Correspondence to Yu. M. Kovalev.

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Translated from Inzhenerno-Fizicheskii Zhurnal, Vol. 96, No. 4, pp. 1053–1061, July–August, 2023

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Kovalev, Y.M., Pomykalov, E.V. Equations of State for Calculating the Pressures of Shock-Wave Compression of Pentaerythritol Tetranitrate (PETN). J Eng Phys Thermophy 96, 1052–1059 (2023). https://doi.org/10.1007/s10891-023-02769-y

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  • DOI: https://doi.org/10.1007/s10891-023-02769-y

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