ニトラミン化合物添加によるCMDB推進薬の安定燃焼領域の拡大

抄録

The effect of nitramine addition on stable combustion of double-base propellants has been examined in order to lower the combustion limit of rocket motors. The nitramines tested in this study are RDX (cyclotrimethylene trinitramine) and HMX (cyclotetramethylene tetranitramine). These nitramines are used as the energetic materials to increase the specific impulse and are also used as the agents to decrease the burning rate of double-base propellants. It has been found that the addition of the nitramines acts to increase the heat of explosion at low pressures and to prevent an incomplete combustion of double-base propellants. Thus, the pressure exponent of the flame temperature decreases due to the increased flame temperature at low pressures. Consequently, the pressure of stable combustion limit of a double-base propellant rocket motor is lowered by the addition of nitramines.