轴流压气机转子叶尖间隙流动结构的数值研究

doi:10.7527/S1000-6893.2013.0387

Abstract

Abstract:

This paper presents steady numerical study on a subsonic rotor, to further the knowledge of tip leakage flow/vortex flow structure in the tip clearance of an axial flow compressor rotor. The rotor and its related low-speed large-scale repeating-stage axial compressor are used for the low-speed model testing of a modern high-pressure compressor. The results are first compared with available experimental data to validate the numerical method. Then complex endwall flow structure and flow loss mechanism at the design operation points are studied. Finally, variations of the axial compressor rotor endwall flow structure among no tip clearance and different clearances are investigated. Also comparisons are made for tip leakage vortex structure, the interface of leakage flow and main flow, endwall blockage and loss between the design and near-stall operation points. The results show that flow spilled from the leading edge of the tip clearance will entrain into the tip leakage vortex below 62.5% clearance height, while it doesn't occur for higher positions. The effects of the tip leakage vortex on the flow decrease at higher positions, where secondary leakage flow appears more common and occupies a broader chordwise extent simultaneously. Although tip leakage vortex will expand and mix strongly with the main flow as it propagates downstream, which leads to the rapid reduction of the normalized streamwise vorticity, the value of the normalized helicity shows that the concentrated vortex feature can still be maintained.

Key words: tip leakage flow, tip leakage vortex, flow structure, flow loss, axial compressor, rotor

CLC Number:

V231.3

ZHANG Chenkai, HU Jun, WANG Zhiqiang, GAO Xiang. Numerical Study on Tip Clearance Flow Structure of an Axial Flow Compressor Rotor[J]. ACTA AERONAUTICAET ASTRONAUTICA SINICA, 2014, 35(5): 1236-1245.

References

[1] Wisler D C. Loss reduction in axial-flow compressor through low-speed model testing[J]. Journal of Engineering for Gas Turbines and Power, 1985, 107(2): 354-363.

[2] Day I J. Stall inception in axial flow compressors[J]. Journal of Turbomachinery, 1993, 115(1): 1-9.

[3] Camp T R, Day I J. A study of spike and modal stall phenomena in a low-speed axial compressor[J]. Journal of Turbomachinery, 1998, 120(3): 393-401.

[4] Rains D A. Tip clearance flows in axial compressors and pumps. Pasadena: California Institute of Technology, 1954.

[5] Lakshminarayana B. Methods of predicting the tip clearance effects in axial flow turbomachinery[J]. Journal of Basic Engineering, 1970, 92(3): 467-482.

[6] Inoue M, Kuroumaru M, Fukuhara M. Behavior of tip leakage flow behind an axial flow compressor rotor[J]. Journal of Engineering for Gas Turbines and Power, 1986, 108(1): 7-13.

[7] Inoue M, Kuroumaru M. Structure of tip clearance flow in an isolated axial compressor rotor[J]. Journal of Turbomachinery, 1989, 111(3): 250-256.

[8] Furukawa M, Saiki K, Nagayoshi K, et al. Effects of stream surface inclination on tip leakage flow fields in compressor rotor[J]. Journal of Turbomachinery, 1998, 120(4): 683-694.

[9] Furukawa M, Inoue M, Saiki K, et al. The role of tip leakage vortex breakdown in compressor rotor aerodynamics[J]. Journal of Turbomachinery, 1999, 121(3): 469-480.

[10] Wu Y H, Chu W L. Behavior of tip-leakage flow in an axial flow compressor rotor[J]. Proceedings of the Institution of Mechanical Engineers, Part A: Journal of Power and Energy, 2007, 221(1): 99-110.

[11] Deng X Y. Numerical investigation on tip clearance flow in compressor. Beijing: Institute of Engineering Thermophysics, Chinese Academy of Sciences, 2006.(in Chinese) 邓向阳. 压气机叶顶间隙流的数值模拟研究. 北京: 中国科学院工程热物理研究所, 2006.

[12] Yu X J, Liu B J, Jiang H K. Characteristics of the tip leakage vortex in a low-speed axial compressor[J]. AIAA Journal, 2007, 45(4): 870-878.

[13] Yamada K, Furukawa M, Nakano T, et al. Unsteady three-dimensional flow phenomena due to breakdown of tip leakage vortex in a transonic axial compressor rotor, ASME Paper, GT-2004-53745. New York: ASME, 2004.

[14] Du J. Investigation on the unsteady mechanism of tip leakage flow in transonic compressor/fan rotors. Beijing: Institute of Engineering Thermophysics, Chinese Academy of Sciences, 2010.(in Chinese) 杜娟. 跨音压气机/风扇转子叶顶泄漏流动的非定常机制研究. 北京: 中国科学院工程热物理研究所, 2010.

[15] Hah C, Rabe D C, Wadia A R. Role of tip-leakage vortices and passage shock in stall inception in a swept transonic compressor rotor, ASME Paper, GT-2004-53867. New York: ASME, 2004.

[16] Wang Z Q, Hu J, Wang Y F, et al. Aerodynamic design of low-speed model compressor for low-speed model testing[J]. Acta Aeronautica et Astronautica Sinica, 2010, 31(4): 715-723. (in Chinese) 王志强, 胡骏, 王英锋, 等. 用于低速模拟试验的低速模型压气机气动设计[J]. 航空学报, 2010, 31(4): 715-723.

[17] Vo H D, Tan C S, Greitzer E M. Criteria for spike initiated rotating stall[J]. Journal of Turbomachinery, 2008, 130(1): 011023.

Numerical Study on Tip Clearance Flow Structure of an Axial Flow Compressor Rotor

PDF (PC)

Knowledge

Abstract

Cite this article

share this article

References

Related Articles 15

Recommended Articles

Metrics

Comments

[1]	YANG Mingyue, SHOU Yingxin, TANG Yong, LIU Chang, XU Bin. Multi-quadrotor UAVs formation maintenance and collision avoidance control [J]. ACTA AERONAUTICAET ASTRONAUTICA SINICA, 2022, 43(S1): 726913-726913.
[2]	SUN Yang, CHANG Min, BAI Junqiang. Trajectory planning and control for micro-quadrotor perching on vertical surface [J]. ACTA AERONAUTICAET ASTRONAUTICA SINICA, 2022, 43(9): 325756-325756.
[3]	LI Yingjie, ZHAO Guang, WU Xueshen, LI Jian, YUAN Wei, MEI Qing. Review of research on self-excited vibration of aviation spline-rotor system [J]. ACTA AERONAUTICAET ASTRONAUTICA SINICA, 2022, 43(8): 625532-625532.
[4]	TAN Jianfeng, HE Long, YU Lingjun, ZHOU Guochen. Helicopter brownout modeling based on viscous vortex particle and sand particle DEM [J]. ACTA AERONAUTICAET ASTRONAUTICA SINICA, 2022, 43(8): 125536-125536.
[5]	WANG Weimin, CHEN Ziwen, ZHANG Xulong, CHEN Kang. Fault diagnosis method of rotor rub impact based on blade tip timing [J]. ACTA AERONAUTICAET ASTRONAUTICA SINICA, 2022, 43(8): 625031-625031.
[6]	LUO Jiaqi, FU Wenhao, ZENG Xian, XIA Zhiheng. Uncertainty impact of Reynolds number on flow losses of high-lift low-pressure turbine cascade [J]. ACTA AERONAUTICAET ASTRONAUTICA SINICA, 2022, 43(7): 125427-125427.
[7]	FEI Zhongyang, JIANG Xiangwen, ZHAO Qijun. Design of helicopter target rotor based on similar dynamic RCS characteristics [J]. ACTA AERONAUTICAET ASTRONAUTICA SINICA, 2022, 43(7): 125465-125465.
[8]	ZHANG Yuhang, HAN Dong, WAN Haoyun. Rotor performance improvement by blade piecewise linear twist [J]. ACTA AERONAUTICAET ASTRONAUTICA SINICA, 2022, 43(5): 225264-225264.
[9]	WAN Haoyun, HAN Dong, ZHANG Yuhang. Performance improvement of variable speed tail rotors by passively extendable chord [J]. ACTA AERONAUTICAET ASTRONAUTICA SINICA, 2022, 43(2): 224981-224981.
[10]	JIN Yulin, LIU Zhiwen, CHEN Yushu. Fault simulation of blade-casing rubbing for dual-rotor system of aero-engines [J]. ACTA AERONAUTICAET ASTRONAUTICA SINICA, 2022, 43(12): 425072-425072.
[11]	LI Xia, QI Guoyuan, GUO Xitong, ZHAO Xu. High-order differential feedback control and its application in quadrotor UAV [J]. ACTA AERONAUTICAET ASTRONAUTICA SINICA, 2022, 43(12): 326047-326047.
[12]	LIU Jiahao, LI Gaohua, WANG Fuxin. Rotor-wing aerodynamic interference characteristics in conversion mode [J]. ACTA AERONAUTICAET ASTRONAUTICA SINICA, 2022, 43(12): 126097-126097.
[13]	DING Xilun, JIN Xueying. Research progress of rotorcraft UAV interactive manipulation dynamic modeling [J]. ACTA AERONAUTICAET ASTRONAUTICA SINICA, 2022, 43(10): 527388-527388.
[14]	ZHAO Le, WANG Wei, ZHANG Lefu, WANG Weichao, LU Jinling, CHU Wuli. Coupling method for stability improvement for transonic compressor at variable speed [J]. ACTA AERONAUTICAET ASTRONAUTICA SINICA, 2022, 43(1): 124942-124942.
[15]	CHEN Yi, HOU Lei, LIN Rongzhou, YANG Yang, CHEN Yushu. Analysis of primary resonance characteristics of dual-rotor system in maneuvering flight environment [J]. ACTA AERONAUTICAET ASTRONAUTICA SINICA, 2022, 43(1): 224841-224841.