Stall inception in axial compressors

被引：3
|
作者：
McDougall, N.M. [1 ]
Cumpsty, N.A. [1 ]
Hynes, T.P. [1 ]
机构：
[1] Univ of Cambridge, United Kingdom
来源：
Journal of Turbomachinery | 1990年 / 112卷 / 01期
关键词：
Flow of Fluids--Boundary Layer - Leak Detection - Rotors--Fluid Dynamics;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
Detailed measurements have been made of the transient stalling process in an axial compressor stage. The stage is of high hub-casing ratio and stall is initiated in the rotor. If the rotor tip clearance is small stall inception occurs at the hub, but at clearances typical for a multistage compressor the inception is at the tip. The crucial quantity in both cases is the blockage caused by the endwall boundary layer. Prior to stall, disturbances rotate around the inlet flow in sympathy with rotating variations in the endwall blockage.
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页码：116 / 125
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