One of the basic equations to analyze the detonation of high explosives is the equation of state of the detonation products. Due to the very high pressure of the product, the direct measurement of the thermodynamic variables such as pressure or temperature is not possible. In this research, the parameters of BKW and HOM equations of state of detonation products are determined via experimental measurement of the detonation velocity. Comparing the calculated parameters show good agreement with the published results for a vast range of explosives.
It is also shown that the curve fitting of the enthalpy of the products in standard states to a forth degree polynomial of temperature improves the results with respect to entropy fitting used by Mader.

Keywords: BKW, HOM, Equation of state, Detonation product, Explosion simulation


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