基于动叶出口轴向速度提升的亚声速低反动度轴流压气机气动设计原理及其验证

当动叶转角增加以进一步提升亚声速轴流压气机级负荷时，为解决其内部流动问题，提出了基于轴向速度提升的亚声速低反动度轴流压气机气动设计原理.分析了在该气动设计原理指导下，各气动参数间的相互影响，设计了一个验证级.三维黏性数值模拟结果表明:在叶尖切线速度为213m/s的前提下，实现了级压比为1.5，效率为92.5%的压气机级设计. 

Aerodynamic design principle and verification for subsonic axial-flow compressor with low reaction based on enhanced axial velocity at rotor outlet

An aerodynamic design principle for subsonic axial-flow compressor with low reaction based on enhanced axial velocity was proposed to solve the internal flow problems when the stage load was further enhanced by increasing the turning angle of the flow in the rotor. The mutual interactions between each aerodynamic parameter were analyzed based on this aerodynamic design principle, and a verification stage had been designed. The three-dimensional viscous numerical simulation results show that a compressor design of stage pressure ratio of 1.5 with efficiency of 92.5% at tip tangential speed of 213m/s has been attained.