微型后缘装置增升效率及几何参数影响研究

流体力学与飞行力学

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微型后缘装置增升效率及几何参数影响研究

褚胡冰¹, 张彬乾¹, 陈迎春^1,2, 李亚林²

1. 西北工业大学航空学院, 陕西西安 710072;
2. 中国商用飞机有限责任公司上海飞机设计研究院, 上海 200232

收稿日期:2011-06-09 修回日期:2011-07-01 出版日期:2012-03-25 发布日期:2012-03-24
通讯作者: 张彬乾 E-mail:bqzhang@nwpu.edu.cn

Investigation on Mini-TED Efficiency and Impact of Its Geometrical Parameters

CHU Hubing¹, ZHANG Binqian¹, CHEN Yingchun^1,2, LI Yalin²

1. School of Aeronautics, Northwestern Polytechnical University, Xi'an 710072, China;
2. Commercial Aircraft Corporation of China Ltd., Shanghai Aircraft Design and Research Institute, Shanghai 200232, China

Received:2011-06-09 Revised:2011-07-01 Online:2012-03-25 Published:2012-03-24

摘要/Abstract

摘要： 为满足现代大型飞机增升装置简洁高效的设计需求,以典型三段翼型为对象,采用数值模拟研究在后缘襟翼上增加微型后缘装置(mini-TED)以提高增升装置效率的可行性;给出了微型后缘装置的作用原理,获得了微型后缘装置位置、长度、偏度等几何参数对增升和升阻性能的影响规律。研究结果表明:微型后缘装置明显改变了襟翼后缘弯度,对襟翼流动产生有利诱导作用,拓展加长了增升装置的有效"气动弦长",是一种附加气动襟翼。其几何参数设计原则是:以长度l≤1.5%c(c为干净翼型弦长)、位于95%襟翼弦向位置前较为合适;偏度则可根据起降等飞行状态进行选择。与四段及其以上增升装置相比,微型后缘装置具有增升效果显著、结构简单、附加重量小和易于工程实现等优点,是一种极具潜力的新型增升技术,具有深入的研究价值和良好的应用前景。

关键词: 增升装置, 微型后缘装置, 数值模拟, 几何参数, 作用原理, 设计原则

Abstract: In order to meet the design requirements of high lift system with high efficiency and simple structure for modern large aircraft, this paper selects a typical three element airfoil, and, based on numerical simulation, studies the feasibility of mini-trailing edge device (mini-TED) to improve the aerodynamic performance of the lift system and analyzes its physical mechanism and the impact of its geometrical parameters, including the mini-TED fixing position, length and deflection angle. The study shows that the mini-TED changes the curvature of the trailing edge and increases the effective aerodynamic chord length for a high lift system, acting like an additional aerodynamic flap. Mini-TED with geometrical parameters of length l≤1.5%c (c is the chord length) and fixing position before 95% length of the flap is suitable, and its deflection angle can be adjusted based on different flying states. Compared with the four or more element high lift system, mini-TED features remarkable lift enhancement effect, simple structure, light additional height, and easy application in engineering. It possesses attractive potential as a new lift enhancement technique.

Key words: high lift system, mini-TED, numerical simulation, geometrical parameter, physical mechanism, design principle

中图分类号:

V211.3

褚胡冰, 张彬乾, 陈迎春, 李亚林. 微型后缘装置增升效率及几何参数影响研究[J]. 航空学报, 2012, (3): 381.

CHU Hubing, ZHANG Binqian, CHEN Yingchun, LI Yalin. Investigation on Mini-TED Efficiency and Impact of Its Geometrical Parameters[J]. ACTA AERONAUTICAET ASTRONAUTICA SINICA, 2012, (3): 381.

参考文献

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[2] Henne P A, Gregg Ⅲ R D. New airfoil design concept. AIAA-1991-46028, 1991.

[3] Thompson B E, Lotz R D. Divergent trailing edge airfoil flow. AIAA-1996-47040, 1996.

[4] Li G. Introduction of mini-TED for civil aircraft. International Aviation, 2006(10): 62-63. (in Chinese) 李果. 商用飞机机翼后缘设计新思路. 国际航空, 2006(10): 62-63.

[5] Singh M K, Dhanalakshmi K, Chakrabartty S K. Navier-Stokes analysis of airfoils with Gurney flap. AIAA-2007-27285, 2007.

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[7] Zhou H. Numerical analysis of effect of mini-TED on aerodynamic characteristics of airfoils in transonic flow. Acta Aeronautica et Astronautica Sinica, 2009, 30(8): 1367-1373. (in Chinese) 周华. Mini-TED改变翼型跨声速性能的数值分析.航空学报, 2009,30(8): 1367-1373.

[8] Ouyang Y F, Pen X Z, Qiu C R. Study on the apply of cruise flap. 6th Straits Seminar of Aeronautics and Astronautics. Xi'an: Northwestern Polytechnical University, 2008: 142-145. (in Chinese) 欧阳一方, 彭小忠, 邱传仁. 巡航襟翼技术的应用研究. 第六届海峡两岸航空航天学术研讨会论文集. 西安: 西北工业大学, 2008: 142-145.

[9] Li Y C, Wang J J, Hua J. Experimental investigations on the effects of divergent trailing edge and Gurney flaps on a supercritical airfoil. Aerospace Science and Technology, 2007, 11 (2/3): 91-99.

[10] Papadakis M, Myose R Y.Experimental investigation of Gurney flaps on a two element general aviation airfoil. AIAA-1997-728, 1997.

[11] Gardner A D, Nitzsche J, Neumann J, et al. Adaptive load redistribution using mini-TEDs.25th International Congress of the Aeronautical Sciences. 2006.

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[13] Hansen H. Application of mini trailing edge devices in the AWIATOR project. 5th ONERA-DLR Aerospace Symposium.2003.

[14] Balaji R, Bramkamp F, Hesse M, et al. Effect of flap and slat riggings on 2-d high-lift aerodynamics. AIAA-2006-19391, 2006.

[15] Zhou R X, Gao Y W, Quan C X, et al. The analyses of aerodynamic characters of multi-elenment airfoil with Gurney flap. Acta Aerodynamica Sinica, 2002, 20(6): 174-178. (in Chinese) 周瑞兴, 高永卫, 全承信, 等. 具有Gurney襟翼的多段翼型空气动力特性分析. 空气动力学学报, 2002, 20(6): 174-178.

E-mail：hkxb@buaa.edu.cn

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主管单位：中国科学技术协会主办单位：中国航空学会北京航空航天大学

微型后缘装置增升效率及几何参数影响研究

Investigation on Mini-TED Efficiency and Impact of Its Geometrical Parameters

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