An equation of state with potential and thermal pressure components has been obtained which makes it possible to calculate the temperature of a condensed medium at high energy densities. The derivation of the equation of state is based on the concepts of a covolume and a free volume for thermal motion of particles and universality of the relationship between the pressure behind the shock-wave front and the potential pressure component. For the proposed equation of state, it is necessary to know only the shock adiabat of the medium. A comparison has been made of calculation results and experimental data for the temperature behind the shock-wave front in elementary substances and chemical compounds. The obtained equation of state can be of use in practical applications and in shock-wave experiments.
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Translated from Inzhenerno-Fizicheskii Zhurnal, Vol. 90, No. 4, pp. 1025–1035, July–August, 2017.
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Anisichkin, V.F. Equation of State for Calculating Temperature of Material in Explosive Processing. J Eng Phys Thermophy 90, 978–987 (2017). https://doi.org/10.1007/s10891-017-1646-2
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DOI: https://doi.org/10.1007/s10891-017-1646-2