Application of design method of low reaction and aspiration axial compressor in multistage axial compressor
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摘要: 随着对吸附式低反动度轴流压气机内部流动细节的逐步深入,进一步完善了多级吸附式低反动度轴流压气机气动设计思想,完成了3级吸附式低反动度轴流压气机气动设计.三维黏性的数值计算结果表明:在第1级动叶入口叶尖切线速度为370m/s的前提下,通过只在首级静叶和末级静叶中进行附面层抽吸,实现了总压比为6.1的3级吸附式低反动度轴流压气机气动设计.附面层总抽吸流量占入口流量的11.3%.在不考虑附面层抽吸对流动效率影响的前提下,3级效率达到88.1%.Abstract: With further understanding of the internal flow details in the low reaction and aspiration axial compressor stages, the design method of low reaction and aspiration axial compressor used in the three stages was further improved. A verification aerodynamic design of a low reaction and aspiration axial compressor with three stages was carried out. From these three-dimensional viscous numerical results, a compressor was attained with total pressure ratio 6.1 and efficiency 88.1%, without consideration of the influence of the bleed flow at inlet tip tangential speed 370m/s. Boundary layer suction was used only in the first and third stator. The total bleed flow was around 11.3% of the inlet.
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Key words:
- multistage /
- axial compressor /
- low reaction /
- aerodynamic design /
- boundary layer suction
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