符号Ab—推进剂燃烧表面积AP—燃烧室通道横截面积A~*—喉部横截面积a,b—C—a+bpc 中的常数C~*—特性速度C—r=Cp~n 中的燃速系数二A*/APmd一通过火箭发动机喷管排出的质量流率m’一燃烧室内燃气质量生成速率m;一从点火器流进燃烧室内的质量流率m、·:一燃烧室内的燃气累积速率n一r一cP“史的燃速指 Symbol Ab - Burner surface area of ​​the propellant AP - Cross-sectional area of ​​the passage of the combustion chamber A - * - Cross-sectional area of ​​the throat a, Constant in b-C-a + bpc C * - Characteristic velocity C-r = A * / APmd a through the rocket engine nozzle discharge mass flow rate m ’a combustion chamber gas mass generation rate m; a from the igniter into the combustion chamber mass flow rate m,: a combustion Indoor gas accumulation rate n-r a cP ”history refers to the burning rate