Abstract
Ignition ofPETN particles by a gas-detonation wave in a gas suspension has been studied experimentally. The critical pressure at which the total rate ofPETN decomposition increases sharply has been found using a method of multiwave pyrometry with variation in the pressure of the initial gas mixture from 0.1 to 0.4MPa. It is shown that this can occur owing to a large increase in thePETN surface area because of the fragmentation of melting particles in a high-enthalpy flow of gas.
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