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(2) The effect of the diameter of the charge on the detonation speed. 1 The smaller the diameter of the charge , the greater the dissipated energy. When it reaches a certain level, the explosion cannot be carried out normally or even refused. 2 The larger the diameter of the charge, the greater the detonation speed. After reaching a certain level, the detonation speed no longer increases;
(3) The effect of particle size on the diameter of the charge. The smaller the particle size , the shorter the chemical reaction time, the less energy loss, and the faster the reaction speed;
( 4 ) The effect of the outer casing on the diameter of the charge has a strong outer casing to prevent and delay the lateral expansion and scattering of the detonation product , thereby reducing the critical diameter and the ultimate diameter of the charge;
(5) The effect of the loading density on the detonation speed. 1. Single explosive , before the charge density reaches the crystal density, the detonation velocity increases with the increase of density. 2. Mixed explosives , the detonation speed increases with the increase of the density of the charge. When the density reaches a certain level, the detonation speed decreases, and when a certain value is reached (critical density), the explosion will occur;
( 6 ) The impact of the detonation rush on the detonation process The greater the detonation energy, the more stable the detonation speed of the explosive. Necessary conditions for exploding explosives: 1 There must be a certain amount of explosive charge; 2 explosives must have a certain contact area with the charge to be exploded.
(1) The effect of explosive properties on the detonation rate. The faster the explosive, the explosive capacity, the density , and the chemical reaction speed of the explosive, the higher the detonation speed;