Low Speed Axial Compressor Stall Margin Improvement by Unsteady Plasma Actuation

被引：6
|
作者：
Li Gang [1 ]
Xu Yanji [1 ]
Yang Lingyuan [1 ]
Du Wei [1 ]
Zhu Junqiang [1 ]
Nie Chaoqun [1 ]
机构：
[1] Chinese Acad Sci, Inst Engn Thermophys, Beijing 100190, Peoples R China
来源：
JOURNAL OF THERMAL SCIENCE | 2014年 / 23卷 / 02期
基金：
中国国家自然科学基金;
关键词：
axial compressor; plasma actuation; stall margin improvement; FLOW;
D O I：
10.1007/s11630-014-0684-8
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
This research investigates the use of single dielectric barrier discharge (SDBD) actuators for energizing the tip leakage flow to suppress rotating stall inception and extend the stable operating range of a low speed axial compressor with a single rotor. The jet induced by the plasma actuator adds momentum to the flow in the tip region and has a significant impact on the tip-gap flow. Experiments are carried out on a low speed axial compressor with a single rotor. The static pressure is measured at both the rotor inlet and outlet. The flow coefficient and pressure rise coefficient are calculated. Then the characteristic line is acquired to show the overall performance of the compressor. With unsteady plasma actuation of 18kV and 60W the compressor stability range improvement is realized at rotor speed of 1500 r/min - 2400 r/min.
引用
收藏
页码：114 / 119
页数：6
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