【摘要】 提出了飞机动力涡轮驱动部分闭式环控系统的参数计算关系式，对该系统参数进行了优化计算；针对该系统所特有的参数进行了讨论和分析；并在系统引气量、冲压空气流量、系统重量、系统性能代偿损失等方面与现有高压除水系统进行了比较．结果表明，这种系统在性能上优于现有高压除水环控系统．更多还原

【Abstract】 The parameter calculation formulations of partial close circle environmental control system driven by power turbine are posed.The parameters of this system are optimized and analyzed.In the meantime,it is compared with high pressure dewater system on system bleed air flow,ram air flow,system weight and system coefficient of performance.The result indicates that the performance of this system is better than that of high pressure dewater system.更多还原