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Combustion, Explosion and Shock Waves

2022 year, number 2

Detonation Velocity of VS-2 Pyrotechnical Composition and the Jones-Wilkins-Lee Equation of State Parameters of its Explosion Products

S. I. Gerasimov1,2,3,4, P. G. Kuznetsov2, V. A. Kuz'min1,4, V. S. Rozhentsov1, N. A. Trepalov1, V. I. Erofeev4
1RFNC, All-Russian Research Institute of Experimental Physics, Sarov, 607190 Russia
2Sarov Institute of Physics and Technology - Branch of the National Research Institute Nuclear University (MEPhI), Sarov, 607186 Russia
3Alekseev Nizhny Novgorod State Technical University, Nizhny Novgorod, 603950 Russia
4Institute of Problems of Mechanical Engineering RAS - Branch of the Institute of Applied Physics RAS, Nizhny Novgorod, 603024 Russia
Keywords: detonation velocity, Jones-Wilkins-Lee equation of state, numerical simulation, specific pulse


The values of the detonation velocity in thin layers of the VS-2 pyrotechnic composition are given. The Jones-Wilkins-Lee equation of state parameters of explosion products were determined. The obtained equation of state was used to perform numerical calculations and comparison with the experimental parameters of the air shock wave formed upon initiation of the VS-2 composition. Computational and experimental studies were carried out to determine the dependence of the pressure pulse on the thickness of the VS-2 layer. The dependence of the specific pressure pulse of the explosion products on the surface density of the VS-2 composition was determined.