The impact of injected steam temperature on compressor pressure ratio is relative…
低工况时，水蒸气的注入使涡轮的折合流量、膨胀比皆增大；
For improve thrust loading and decrease fuel consume of the engine, propulsive system of the future demand the compressor in possession of higher pressure ratio and more efficiency.
未来飞机推进系统要求压气机的压比和效率均大大高于目前的使用水平，以提高发动机推重比，减小燃油消耗。
This thesis investigated transonic cascade of a certain compressor in order to increase the static pressure ratio of the cascade and reduce the coefficient of the cascade losses.
本课题以某型压气机的跨音速叶栅为研究平台，以提高叶栅静压增压比，减少叶栅流动损失为目标。
But it has smaller volume than displacement compressor at the same mass flow rate; and higher pressure ratio and efficiency than impeller compressor.
且尺寸体积远小于同流量的容积式压缩机，稳定性和压比也比同流量的条件下的叶轮式压气机有所提高。
The compression work or the total pressure ratio of a compressor is determined through the use of cascade element performance data concerning deviation Angle.
压气机的加功量或增压比由其基元叶栅的落后角确定。
Finally, with the air of freedom multiplied by the number of air compression ratio that the pressure can be drainage, to determine choose which kind of air compressor.
最终，用自由空气的数量乘以空气的压缩比即可得出排水所需的压力，以确定选择哪种空压机。
The discharge temperature can be controlled by providing the compressor with a pressure ratio selected to provide a desired discharge temperature.
所述排出温度可以通过提供具有一定压缩比的压缩机而控制，所述压缩比选择成提供所需排出温度。
The discharge temperature can be controlled by providing the compressor with a pressure ratio selected to provide a desired discharge temperature.
所述排出温度可以通过提供具有一定压缩比的压缩机而控制，所述压缩比选择成提供所需排出温度。
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