Explosive Incentive Mechanism Of Inert Gas Produces Visible Light Radiation Is Studied

Based on the gas quantum theory and the air blast theory, this paper presented the operational principle of inert gas emitting light generated by explosion, the dynamic responses on inert gas emitting light generated by explosion are simulated in use of software ANS YS/LS-DYNA with ALE algorithm. Then the effects for the light intensity emitted by inert gas are analyzed on different aspects, such as changed the solid propellants and inert gases in the container, initial pressures of inert gases, explosive column radiuses and the methods ignited by propellants.The results show that the higher detonation velocity of RDX is better than that of TNT, so RDX has a better light-emitting effect of inert gas generated by explosive. The higher initial pressure is, the higher the peak of light density emitted by inert gas is and the better the light-emitting effect of inert gas generated by explosive is. The greater first ionization potential is, such as Helium and Neon, the higher the peak of light density emitted by inert gas is and the better the shock wave front visible radiation intensity is. Under the condition of the unchangeable total volume of inert gas, the peak of visible radiation density is the highest and the light-emitting effect of inert gas is the best when the radius of the explosive column is about1.6cm. There is a little effect on the peak of light intensity of inert gas with different methods ignited by propellants. However, it has an impact on the stability of the emitting light. The results show that stability is the best when center point is initiated.