空间推进系统工作过程的模块化建模

建立空间推进系统仿真模块(包括液体管道模块、三通模块、充填模块、推力室模块等)的数学模型.虽然采用的是集中参数方法,但同时考虑了液体的惯性、粘性和压缩性,所以本文建立的常微分方程组能在一定程度上反映供应系统工作过程的分布特性.

Modular Model of Space Propulsion System in the Whole Operation Process

This paper established dynamic mathematical models of simulation modules of the space propulsion system in the whole operation process,which include liquid pipeline module,triple link module,filling-in pipeline module,thrust chamber module and so on.The lumped parameters method is employed,aiming at synchronously considering the inertia,viscosity and compressibility of liquid.Thus the ordinary differential equation set built in the research can generally reflect the distributed characteristics of the operation process in the supplying system.