STALL INCEPTION IN AXIAL COMPRESSORS

被引：313

作者：

MCDOUGALL, NM

CUMPSTY, NA

HYNES, TP

机构：

[1] Whittle Laboratory, University of Cambridge, Cambridge

[2] YARD Ltd., Glasgow, Charing Cross Tower

来源：

JOURNAL OF TURBOMACHINERY-TRANSACTIONS OF THE ASME | 1990年 / 112卷 / 01期

关键词：

D O I：

10.1115/1.2927406

中图分类号：

TH [机械、仪表工业];

学科分类号：

0802 ;

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; these can persist for some time prior to stall, rising and falling in amplitude before the final increase, which occurs as the compressor stalls. © 1990 by ASME.

引用

页码：116 / 125

页数：10

共 18 条

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