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分析了燃速催化剂和主要气体产物对燃速的高压差示扫描量热(PDSC)特征量关系方程参数的影响,结果表明,该方程的压强因子与压强指数线性相关,RDX-CMDB改性双基推进剂(R系列推进剂)的燃速催化剂影响燃热因子,主要分解气体产物相对量值比与“燃热因子”和“压强因子”有线性关系或有近线性关系。因此,该方程除了可以描述PDSC的特征量与燃速的关系外,还可以描述推进剂的催化剂作用,也可以定量描述气体产物提高燃速和降低压强因子或压强指数的作用,同时通过它还可揭示燃速催化剂的作用机理。
The influence of burning rate catalyst and main gas products on the equation parameters of high pressure differential scanning calorimetry (PDSC) was analyzed. The results show that the pressure factor of this equation is linearly related to the pressure exponent, and RDX-CMDB modified bis The burning rate catalyst of the base propellant (R series propellant) affects the combustion heat factor, and the relative magnitude ratio of the main decomposition gas products has a linear relationship with the “combustion heat factor” and the “pressure factor”. Therefore, in addition to describing the relation between the characteristic quantity and the burning rate of PDSC, this equation can also describe the catalyst function of the propellant, and also can quantitatively describe the effect of the gas product on increasing the burning rate and reducing the pressure factor or pressure index, and at the same time, The mechanism of action of burning rate catalyst can be revealed.