流体力学与飞行力学

对转风扇设计技术研究

  • 杨琳 ,
  • 陈雷 ,
  • 孙海 ,
  • 杨明绥
展开
  • 中航工业沈阳发动机设计研究所, 辽宁 沈阳 110015
杨琳男,博士,高级工程师。主要研究方向:风扇和压气机气动设计,叶轮机内部复杂流动。Tel:024-24281502-5E-mail:windancer750@126.com

收稿日期: 2013-06-13

  修回日期: 2013-08-27

  网络出版日期: 2013-09-11

基金资助

航空科学基金(2008ZB06011)

Investigation of Counter Rotating Fan Design Technology

  • YANG Lin ,
  • CHEN Lei ,
  • SUN Hai ,
  • YANG Mingsui
Expand
  • AVIC Shenyang Engine Design and Research Institute, Shenyang 110015, China

Received date: 2013-06-13

  Revised date: 2013-08-27

  Online published: 2013-09-11

Supported by

Aeronautical Science Foundation of China (2008ZB06011)

摘要

为了考察对转风扇的工程应用性,通过气动方案论证、气动设计技术研究、强度颤振分析研究、声学分析研究、非设计点匹配和调节研究以及进口畸变流场模拟研究,初步探讨民用大涵道比发动机对转风扇的设计技术,总结未来工程应用可能面临的问题以及解决方案。与常规风扇设计相比,对转风扇后排叶片在非设计点下的工作状态变化幅度较大,因此后排叶片的设计攻角选取不能过大。虽然较低的设计转速下转子叶片的振动频率不高,但也不必太过担心颤振问题,本文风扇在设计点并不会出现颤振问题。采用对转技术降低风扇转速是降低噪声的有效手段,本文设计的风扇远场最大声压级只有90 dB左右。对转风扇在非设计转速具有较好的性能水平,在工程应用时可以不必调节后排叶片的安装角。对转风扇对进气畸变的衰减作用十分有限,两排转子对转也使得畸变区域的周向相位移动并不明显。

本文引用格式

杨琳 , 陈雷 , 孙海 , 杨明绥 . 对转风扇设计技术研究[J]. 航空学报, 2014 , 35(5) : 1226 -1235 . DOI: 10.7527/S1000-6893.2013.0375

Abstract

Aiming at investigation of engineering application, the counter rotating fan design technology for a civil high bypass ratio engine is researched including aerodynamic concept demonstration, aerodynamic design technology investigation, mechanical and flutter analysis, acoustic behavior analysis, off-design point matching and adjustment, and flow simulation of inlet distortion. Certain issues that might be encountered in future engineering application and their possible solutions are summarized. Compared with a conventional fan, the operation point of the rear stage for the counter rotating fan changes considerably. Therefore, too large a design incidence angle of the rear stage cannot be selected. Since flutter does not occur at the design point in this paper, it does not present a big issue, although the counter rotating fan rotors have a low vibration frequency due to their low rotational design speed. The counter rotating fan is effective in reducing noise emission because of its low rotational speed, and only 90 dB of far field sound pressure level is found in this paper. The counter rotating fan is found to perform well at off-design point. It seems unnecessary to open the stagger angle of the rear rotor for engineering application. Distortion passes through counter rotating fan blades with less damping, and the counter rotating makes the circumferential phase movement of the outlet distortion area unconspicuous.

参考文献

[1] Gliebe P R, Janardan B A. Ultra-high bypass engine aeroacoustic study, NASA/CR-2003-212525. Washington, D.C.: NASA, 2003.

[2] Pierret S, Kato H, Coelho R F, et al. Aero-mechanical optimization method with direct CAD access-application to counter rotating fan design, ASME Paper, GT-2006-90505. New York: ASME, 2006.

[3] Ji L C. Analysis of technical challenges in vaneless counter-rotating turbomachinery, ASME Paper, GT-2007-27617. New York: ASME, 2007.

[4] Lynam F C, Hawes S P. Contra rotating axial flow fans[J]. The Engineers, 1946: 1-8.

[5] Young R H. Contra-rotating axial-flow fans[J]. Journal of Institute Heating Ventilating Engineering, 1951, 18: 448-477.

[6] Sabel S, Sabatuik S. Turbojet engine development design of phase I & II compressor, Currtise Wright Cooperation(CWR), Report No. 502a and 502b. 1957.

[7] Millar D A J, Chappel M S, Okelah R. The co-turbo shaft-A novel gas turbine power plant for heavy equipment, ASME Paper, GT-79-132. New York: ASME, 1979.

[8] Newton A G. Aero gas turbine engines for commercial application//7th International Symposium on Air Breathing Engines, 1985.

[9] Baldeo M K. Unducted fan engines[J]. Boeing Airliner Magazine (USA), 1987(1-3): 1-15.

[10] Sharma P B, Adekoya A. A review of recent research on contra-rotating axial flow compressor stage, ASME Paper, GT-96-254. New York: ASME, 1996.

[11] Sharma P B, Jain Y P, Jha N K, et al. Stalling behavior of a contra-rotating stage//7th International Symposium on Air Breathing Engines, 1985: 734-740.

[12] Sharma P B, Jain Y P, Pundhir D S. A study of some factors affecting the performance of a contra-rotating axial compressor stage[J]. Proceedings of the Institution of Mechanical Engineers, Part A: Journal of Power and Energy, 1988, 202(1): 15-21.

[13] Kerrebrock J L, Epstein A H, Merchant A A, et al. Design and test of an aspirated counter-rotating fan, ASME Paper, GT-2006-90582. New York: ASME, 2006.

[14] Lengyel T, Vo C, Schmidt T, et al. Design of a counter rotating fan-An aircraft engine technology to reduce noise and CO2-emissions, ISABE-2009-1267. Cincinnati: ISABE, 2009.

[15] Chen M Z, Liu B J. Fan/compressor aero design trend and challenge on the development of high bypass ratio turbofan[J]. Journal of Aerospace Power, 2008, 23(6): 961-975. (in Chinese) 陈懋章, 刘宝杰. 风扇/压气机气动设计技术发展趋势——用于大型客机的大涵道比涡扇发动机[J].航空动力学报,2008, 23(6): 961-975.

[16] Saida J F, Dunba L W, Sizuks P N, et al. Counter rotating aeroengine with high total pressure ratio compressor: China, ZL03106813.8. 2003-03-03. (in Chinese) Saida J F, Dunba L W, Sizuks P N, 等.具有高总压比的压气机的反向旋转的航空燃气轮机: 中国, ZL03106813.8. 2003-03-03.

[17] Wang Y G, Liu B, Chen Y Y, et al. Flow field investigation dual stage counter-rotating compressor[J]. Journal of Northwestern Polytechnical University, 2006, 24(1): 97-101. (in Chinese) 王掩刚, 刘波, 陈云永, 等.双级对转压气机流场分析[J]. 西北工业大学学报, 2006, 24(1): 97-101.

[18] Liu B, Yang Y, Wang Y G, et al. Investigation of influence of rotational speed and pressure ratio on performance of two-stage counter-rotating compressor[J]. Journal of Northwestern Polytechnical University, 2007, 25(4):576-580. (in Chinese) 刘波, 杨艳, 王掩刚, 等. 设计压比和转速变化对对转压气机性能的影响研究[J]. 西北工业大学学报, 2007, 25(4): 576-580.

[19] Yang L X, Zhao X L. Design and numerical investigation of a high-pressure ratio counter-rotating fan, ISABE-2007-1139. Cincinnati: ISABE, 2007.

[20] Yang X H, Shan P. Aerodynamic design and investigation of two counter-rotating fans[J]. Journal of Aerospace Power, 2011, 26(10): 2313-2322. (in Chinese) 杨小贺, 单鹏. 两类对转风扇的设计与气动特征数值研究[J]. 航空动力学报, 2011, 26(10): 2313-2322.

[21] Guo J, Yang L, Zhen N, et al. Investigation of critical technology for lift fan[J]. Aeronautical Science and Technology, 2008(2): 30-35.(in Chinese) 郭捷, 杨琳, 郑宁, 等. 短距/垂直起落战斗机升力风扇关键技术的探讨[J]. 航空科学技术, 2008(2): 30-35.

文章导航

/