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从部件的数学模型出发,根据闭环系统各部件的耦合关系,建立了机载蒸发循环系统的动态数学模型。对充注R142b的机载蒸发循环系统进行了动态仿真,仿真数据与试验数据基本吻合,仿真方法可靠,可以作为机载蒸发循环系统优化及系统控制的依据。
According to the mathematical model of components, the dynamic mathematical model of on-board evaporation cycle system is established according to the coupling relationship of each component of closed-loop system. The dynamic simulation of on-board evaporation cycle system filled with R142b is carried out. The simulation data are in good agreement with the experimental data and the simulation method is reliable. It can be used as the basis for the optimization of airborne evaporative circulation system and system control.