In order to study energy output rule on attenuation of small diameter charge detonation wave passing by air-gap,the detonation shock wave pressures of different charge diameters and confinements,which are attenuated i...In order to study energy output rule on attenuation of small diameter charge detonation wave passing by air-gap,the detonation shock wave pressures of different charge diameters and confinements,which are attenuated in air-gap,are measured by using the manganin piezoresistance method.Thus the experiential attenuation rule of X booster explosive is obtained with confinement of 45# steel and polymethyl methacrylate(PMMA),the experiential relational expressions in charge diameter and air-gap thickness are gained.The results indicate that exponential rule is obtained in accordance with attenuation of small diameter charge detonation wave passing by air-gap,and the bigger charge diameter,the smaller modulus decay.By changing air-gap thickness,the detonation pressure is also changed.The detonation performance can be controlled by adjusting charge dimension,confinement and air-gap thickness.展开更多
文摘In order to study energy output rule on attenuation of small diameter charge detonation wave passing by air-gap,the detonation shock wave pressures of different charge diameters and confinements,which are attenuated in air-gap,are measured by using the manganin piezoresistance method.Thus the experiential attenuation rule of X booster explosive is obtained with confinement of 45# steel and polymethyl methacrylate(PMMA),the experiential relational expressions in charge diameter and air-gap thickness are gained.The results indicate that exponential rule is obtained in accordance with attenuation of small diameter charge detonation wave passing by air-gap,and the bigger charge diameter,the smaller modulus decay.By changing air-gap thickness,the detonation pressure is also changed.The detonation performance can be controlled by adjusting charge dimension,confinement and air-gap thickness.
