短舱扰流片对运输机增升装置气动特性的影响

doi:10.7527/S1000-6893.2013.0010

流体力学、飞行力学与发动机

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短舱扰流片对运输机增升装置气动特性的影响

张文升¹, 陈海昕¹, 张宇飞¹, 符松¹, 陈迎春², 李亚林², 周涛²

1. 清华大学航天航空学院, 北京 100084;
2. 中国商飞上海飞机设计研究院, 上海 200235

收稿日期:2012-02-17 修回日期:2012-03-28 出版日期:2013-01-25 发布日期:2013-01-19
通讯作者: 陈海昕,Tel.:010-62772915,E-mail:chenhaixin@tsinghua.edu.cn E-mail:chenhaixin@tsinghua.edu.cn
作者简介:张文升,男,硕士研究生。主要研究方向:气动设计,计算流体力学。Tel:010-62772915,E-mail:zhangws09@mails.tsinghua.edu.cn;陈海昕,男,博士,副教授,博士生导师。主要研究方向:空气动力学,飞机设计。Tel:010-62772915,E-mail:chenhaixin@tsinghua.edu.cn
基金资助:
国家自然科学基金(10972120,10932005)

Nacelle Strake’s Aerodynamic Characteristics Effects on High-lift Configuration of Transport Aircraft

ZHANG Wensheng¹, CHEN Haixin¹, ZHANG Yufei¹, FU Song¹, CHEN Yingchun², LI Yalin², ZHOU Tao²

1. School of Aerospace, Tsinghua University, Beijing 100084, China;
2. COMAC Shanghai Aircraft Design & Research Institute, Shanghai 200235, China

Received:2012-02-17 Revised:2012-03-28 Online:2013-01-25 Published:2013-01-19
Supported by:
National Natural Science Foundation of China (10972120, 10932005)

摘要/Abstract

摘要：

以民用运输机增升装置复杂增升构型气动设计为背景,针对短舱扰流片对增升构型气动性能的影响,借助数值模拟对流动控制效果和影响机理进行研究。数值结果表明:合理的扰流片设计可以明显改善增升装置的气动特性,提高最大升力系数0.3以上,增大失速迎角3°左右。短舱扰流片安装参数研究表明:短舱扰流片产生旋涡强度对其推迟失速的效果有明显影响;在所研究的范围内,短舱扰流片弦向位置明显影响扰流片的当地来流迎角,进而改变所产生旋涡的强度;扰流片的周向安装角主要影响扰流片的来流强度,同样影响所产生旋涡的强度;扰流片面积对提高升力系数贡献不大,主要影响失速形态。

关键词: 运输机, 增升装置, 短舱扰流片, 气动特性, 机理, 安装参数

Abstract:

The present paper focuses on the mechanism investigation and parametric analysis of the nacelle strake mounted on the high-lift configuration of civil transport aircraft. Numerical simulation is carried out for this research. Results show that appropriate design of strake could greatly improve the aerodynamics performance of the high-lift configuration. The maximum lift coefficient can be increased by least 0.3 and the angle of attack can be increased by 3°. Through parametric analysis of the nacelle strake, it’s found that the strength of the vortex generated by the strake is a key factor of its stall delay effect. In the research, influences of the installation parameters of the inboard strake are that through affecting the strake’s local angle of attack, the axial location of the strake controls the strength of the vortex; the circumferential angle affects the strake’s incoming flow speed, and then controls the strength of strake’s wake; the area of the strake nearly has no effect on lift coefficient of high-lift configuration, it mainly affects the stall behaviors of the high-lift configuration.

Key words: transport aircraft, high-lift configuration, nacelle strake, aerodynamic characteristics, mechanisms, installation parameter

中图分类号:

V211.3

张文升, 陈海昕, 张宇飞, 符松, 陈迎春, 李亚林, 周涛. 短舱扰流片对运输机增升装置气动特性的影响[J]. 航空学报, 2013, 34(1): 76-85.

ZHANG Wensheng, CHEN Haixin, ZHANG Yufei, FU Song, CHEN Yingchun, LI Yalin, ZHOU Tao. Nacelle Strake’s Aerodynamic Characteristics Effects on High-lift Configuration of Transport Aircraft[J]. ACTA AERONAUTICAET ASTRONAUTICA SINICA, 2013, 34(1): 76-85.

参考文献

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[7] Qiu Y S, Bai J Q, Li Y L, et al. Study on influence of complex geometry details on the aerodynamic performance of high-lift system. Acta Aeronautica et Astronautica Sinica, 2012, 33(3): 4214-4219. (in Chinese) 邱亚松, 白俊强, 李亚林, 等. 复杂几何细节对增升装置气动性能影响研究. 航空学报, 2012, 33(3): 4214-4219.

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[11] Sang W M, Li F W. Numerical analysis of flows around 3-D high-lift system by adaptive cartesian grid method. Acta Mechanica Sinica, 2005, 37(1): 80-86. (in Chinese) 桑为民, 李凤蔚. 采用自适应直角网格计算三维增升装置绕流. 力学学报, 2005, 37(1): 80-86.

[12] Shi Y B, Wang H J, Li J. Exploring a feasible method of CFD simulation of high-lift aircraft configuration using patched-grid generation method and multi-grid technique. Journal of Northwestern Polytechnical University, 2010, 28(1): 143-146. (in Chinese) 石永彬, 王豪杰, 李杰. 基于面搭接多重网格技术的全机增升装置绕流数值模拟. 西北工业大学学报, 2010, 28(1): 143-146.

[13] Kanazaki M, Yokokawa Y, Murayama M, et al. Efficient design exploration of nacelle chine installation in wind tunnel testing. AIAA-2008-155, 2008.

[14] Yokokawa Y, Murayama M, Kanazaki M, et al. Investigation and improvement of high-lift aerodynamic performances in lowspeed wind tunnel testing. AIAA-2008-350, 2008.

[15] Yokokawa Y, Murayama M, Uchida H, et al. Aerodynamic influence of a half-span model installation for high-lift configuration experiment. AIAA-2010-684, 2010.

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

短舱扰流片对运输机增升装置气动特性的影响

Nacelle Strake’s Aerodynamic Characteristics Effects on High-lift Configuration of Transport Aircraft

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