Оценка работоспособности высокоплотных взрывчатых веществ с использованием уравнения состояния JWL

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Оценка работоспособности высокоплотных взрывчатых веществ…
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Assessment of high-density explosives performance
using the JWL equation of state
© S.G. Andreev, M.A. Shestakov
Bauman Moscow State Technical University, Moscow, 105005, Russia
In the article we have refined estimations of the explosive materials performances con-
sidered as the ability of their decomposition products to produce work while isoentropi-
cally expanding from the initial state of the instantaneous explosion products; the effect
of the ‘cold’ components of pressure and internal energy of the actuating medium pro-
ducing the work was taken into account. Results of the calculations using the Jones–
Wilkins–Lee (JWL) equation of state for low-density and high-density PETN charges are
provided for several ways of delivering extra energy into explosion products, excessive as
compared to the heat generation at the detonation front characterized by the Chapman–
Jouget parameters.
Keywords: explosive material, heat of explosive reaction, performance, efficiency coeffi-
cient, instantaneous explosion
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