Abstract
The article presents the theoretical and practical research results regarding the development of the IT and methodological infrastructure for assessing the parameters which define explosive substances. The software us intended for estimating, based on the chemical composition of substances, parameters which define such substances (detonation velocity, detonation energy, detonation pressure etc.), as well as for determining the probability of explosion. EXPLO5 is a specialized software which allows to solve thermo-dynamic equations between different reaction products in order to determine the balance composition, having incorporated a filtering algorithm for estimating Jones-Wilkins-Lee (JWL) state equations coefficients which are used for calculating the detonation energy of explosives. For the proper performance of pilot tests of numerical simulations upon certain representative types of explosives (civil use explosives and double-use explosives: civil and military) there have been taken into account the special characteristics of EXPLO5 provided by the EOS BKW (BKW standard with set of BKWN constants and BKW EOS modified with the set of constants and volumes BKWN-M) and EXP-6 EOS function which is based more on theoretical concepts.
Highlights
IntroductionEXPLO5 is thermochemical computer code that predicts detonation (e.g. detonation velocity, pressure, energy, heat end temperature etc.) and combustion (e.g. specific impulse, force, pressure etc.) performance of energetic materials
EXPLO5 is thermochemical computer code that predicts detonation and combustion performance of energetic materials
- Program calculates composition of detonation products and parameters of state along the entire shock adiabat of detonation products, starting from the initial density of explosive to a final maximum pressure on the shock adiabat and increasing density for an arbitrary chosen density increase step; The calculation along the shock adiabat terminates when detonation pressure becomes higher than the maximum pressure chosen or when density becomes larger than 2 0
Summary
EXPLO5 is thermochemical computer code that predicts detonation (e.g. detonation velocity, pressure, energy, heat end temperature etc.) and combustion (e.g. specific impulse, force, pressure etc.) performance of energetic materials. The program has non-linear curve fitting program built in to fit relative volume-pressure data along the expansion isentrope according to the JonesWilkins-Lee (JWL) model, enabling the calculation of the detonation energy available for performing mechanical work. EXPLO5 is thermochemical computer code that can predict the performance of ideal high explosives and various explosive formulations, propellants, and pyrotechnic mixtures. It predicts the performance under constant volume combustion, constant pressure combustion, and ideal detonation 2
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