叶尖泄漏与压气机叶栅三维角区分离相互作用实验研究

推进技术 ›› 2013, Vol. 34 ›› Issue (2): 187-193.

叶尖泄漏与压气机叶栅三维角区分离相互作用实验研究

韩少冰,钟兢军,陆华伟,阚晓旭

大连海事大学轮机工程学院,辽宁大连 116026;大连海事大学轮机工程学院,辽宁大连 116026;大连海事大学轮机工程学院,辽宁大连 116026;大连海事大学轮机工程学院,辽宁大连 116026

发布日期:2021-08-15
作者简介:韩少冰(1983—),男,博士生,研究领域为叶轮机械气动热力学。E-mail:hanshaobing@126.com
基金资助:
国家自然科学基金(51076018)；中央高校基本科研业务费专项资金；高等学校博士学科点专项科研基金。

Experimental Investigation on Interaction Between Tip Clearance Flow and Three-Dimensional Separation in Compressor Cascade

Marine Engineering College, Dalian Maritime University, Dalian 116026,China;Marine Engineering College, Dalian Maritime University, Dalian 116026,China;Marine Engineering College, Dalian Maritime University, Dalian 116026,China;Marine Engineering College, Dalian Maritime University, Dalian 116026,China

Published:2021-08-15

摘要/Abstract

摘要： 为了进一步揭示叶顶泄漏与压气机叶栅三维角区分离流动的相互作用机制,采用五孔气动探针测量了叶栅出口截面气动参数,并对机匣端壁静压进行了测量,详细分析了不同间隙尺寸及来流角度时压气机叶栅间隙流对角区三维分离流动的影响机理。研究结果表明,适当大小叶顶间隙引入的泄漏流阻止了端壁二次流动与叶片吸力面附面层之间的相互作用,移除了三维角区分离,改善了叶栅性能。随着叶顶间隙尺寸及叶栅内气流折转程度的增加,叶顶泄漏涡与上通道涡间的相互作用程度逐渐增强。

关键词: 压气机叶栅;间隙流动;三维分离;来流角度

Abstract: In order to further uncover the interaction of tip clearance flow with three-dimensional separation in the corner region of a compressor cascade, detailed experimental investigations were carried out. The outlet aerodynamic parameters were measured by five hole pneumatic probe, and the distribution of the static pressure on the endwall was obtained. The effects of tip clearance size and inlet flow angle on the interaction of tip clearance flow with three-dimensional separation in a compressor cascade were analyzed in detail. The results show that the three-dimensional separation on the blade suction surface is largely removed by the clearance flow for a proper tip clearance size and the aerodynamic performance of the cascade is improved. The removal mechanism is associated with preventing the endwall fluid from interacting with the suction surface boundary layer by the clearance flow. The interaction between the leakage vortex and the tip side passage vortex turns stronger with increasing the clearance size and the flow turning. 

Key words: Compressor cascade; Tip clearance flow; Three-dimensional separation; Inlet flow angle

韩少冰,钟兢军,陆华伟,阚晓旭. 叶尖泄漏与压气机叶栅三维角区分离相互作用实验研究[J]. 推进技术, 2013, 34(2): 187-193.

HAN Shao-bing,ZHONG Jing-jun,LU Hua-wei, KAN Xiao-xu. Experimental Investigation on Interaction Between Tip Clearance Flow and Three-Dimensional Separation in Compressor Cascade[J]. Journal of Propulsion Technology, 2013, 34(2): 187-193.

参考文献

[1] Kang S.Investigation of the Three Dimensional Flow within a Compressor Cascade with and Without Tip Clearance [D].Brussel:Vrije Universiteit Brussel,1993.
[2] 蔡睿贤,王锡刚,彭惠君,等.静叶内围带对轴流压气机气动性能的影响及4500马力机车燃气轮机的热力性能[J].工程热物理学报,0,1(1):3-9.
[3] Dong Y, Gallimore S J, Hodson H P.Three Dimensional Flows and Loss Reduction in Axial Compressor [J].Journal of Turbomachinery, 7,9(3):354-361.
[4] 贾希诚, 王正明.叶轮机械中间隙流与通道二次流相互作用的数值研究[J].航空动力学报,2002,17(4).
[5] Gbadebo S, Cumpsty N A, Hynes T P.Interaction of Tip Clearance Flow and Three-Dimensional Separations in Axial Compressors [J].Journal of Turbomachinery, 7,9(4):679-685.
[6] 左志涛,朱阳历,张冬阳,等.静叶轮毂间隙对高压压气机气动性能的影响[J].推进技术,1,2(3) :329-333.(ZUO Zhi-tao, ZHU Yang-li, ZHANG Dong-yang, et al.Numerical Investigation of the Stator Hub Gap Effects on Aerodynamic Performance of a High-pressure Compressor [J].Journal of Propulsion Technology, 1,2(3):329-333.)
[7] 田江涛,吴艳辉,李清鹏,等.静子轮毂角区失速与尖隙流动相互作用机理分析[J].工程热物理学报,1,2(12) :2034-2039.
[8] Storer J A, Cumpsty N A.Tip Leakage Flow in Axial Compressors [J].Journal of Turbomachinery,1,3(2):252-259.
[9] 周作元,李荣光.温度与流体参数测量基础[M].北京:清华大学出版社,1986.
[10] 陈绍文.不同折转角压气机叶栅中应用弯曲叶片的实验与数值研究[D].哈尔滨:哈尔滨工业大学,2007.
[11] 钟兢军.弯曲叶片控制扩压叶栅二次流动的实验研究[D].哈尔滨:哈尔滨工业大学,1995.
[12] 彭泽琰,刘刚,桂幸民,等.航空燃气轮机原理[M].北京:国防工业出版社,2008.