The Effect of Inlet Guide Vanes on Inlet Flow Distortion Transfer and Transonic Fan Stability

被引：24
|
作者：
Shaw, M. J. [1 ]
Hield, P. [2 ]
Tucker, P. G. [1 ]
机构：
[1] Univ Cambridge, Whittle Lab, Cambridge CB3 0DY, England
[2] Rolls Royce PLC, Bristol BS34 7QE, Avon, England
来源：
JOURNAL OF TURBOMACHINERY-TRANSACTIONS OF THE ASME | 2014年 / 136卷 / 02期
关键词：
Inlet flow distortions - Inlet guide vane - Rotor components - Stability margins - Transonic fans;
D O I：
10.1115/1.4024906
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
An investigation was carried out into the effects of variable inlet guide vanes (VIGVs) on the performance and stability margin of a transonic fan in the presence of inlet flow distortion. The study was carried out using computational fluid dynamics (CFD) and validated with experimental data. The capability of CFD to predict the changes in performance with or without VIGVs in the presence of an inlet flow distortion is assessed. Results show that the VIGVs improve the performance and stability margin and do so by reducing the amount of swirl at inlet to the rotor component of the fan.
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页数：9
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