Advanced Search
Volume 38 Issue 7
Jul.  2012
Turn off MathJax
Article Contents
Journal of Beijing University of Aeronautics and Astronautics  > 2012  >  (7): 867-872.
Wang Libo, Yang Chao, Wu Zhiganget al. Trim induced drag analysis and optimization of elastic twin-tailboom aircraft[J]. Journal of Beijing University of Aeronautics and Astronautics, 2012, (7): 867-872. (in Chinese)
Citation: Wang Libo, Yang Chao, Wu Zhiganget al. Trim induced drag analysis and optimization of elastic twin-tailboom aircraft[J]. Journal of Beijing University of Aeronautics and Astronautics, 2012, (7): 867-872. (in Chinese)
shu

Trim induced drag analysis and optimization of elastic twin-tailboom aircraft

  • School of Aeronautic Science and Engineering, Beijing University of Aeronautics and Astronautics, Beijing 100191, China

  • Received Date: 31 May 2011
  • Publish Date: 30 Jul 2012
    Abstract
  • Based on the energy method, the trim equations of flexible aircraft considering static aeroelasticity are derived. The idea of using static vortex lattice method combined with Trefftz plane theory and empirical formula to solve the induced drag and trim drag of flexible aircraft in trimmed level flight was proposed. The method of reducing total induced drag through optimization of the wing geometric twist angle was introduced. An UAV with twin tailbooms was analyzed. The result shows that the longitudinal bending stiffness has large effects on the total induced drag of the aircraft in such configuration, and it also affects the profile drag of the elevator deflexion and the total drag of the aircraft remarkably. Results of the optimization indicate that appropriate optimization of the geometric twist can make the whole span-wise lift distribution more close to the ellipse one, which will reduce the total induced drag effectively and other drag components positively.

     

    • FullText(HTML)
  • loading
    • References(12)
  • [1]
    Phillips W F.Lifting-line analysis for twisted wings and washout-optimized wings[J].Journal of aircraft,2004,41(1):128-136
    [2]
    Cusher A A,Gopalarathnam A.Drag reduction methodology for adaptive tailless aircraft.AIAA 2006-3320,2006
    [3]
    陈磊,吴志刚,杨超,等.减小弹性机翼诱导阻力的多控制面优化研究[J].工程力学,2009,26(10):191-196
    Chen Lei,Wu Zhigang,Yang Chao,et al.Induced drag reduction optimization study using multi-control surfaces for elastic wing[J].Engineering Mechanics,2009,26(10):191-196 (in Chinese)
    [4]
    Pfeiffer N J.Numerical winglet optimization.AIAA 2004-0213,2004
    [5]
    Kusmina S,Ishmuratov F,Kuzmin V.Minimization of induced drag of elastic airplane.AIAA 2004-4611,2004
    [6]
    Roskam J.Airplane flight dynamics and automatic flight controls [M].Lawrence:DAR Corporation,2001:3-4
    [7]
    Waszak M R,Schmidt D K.On the flight dynamics of aeroelastic vehicles.AIAA 1986-2077,1986
    [8]
    Meirovitch L.Fundamentals of vibrations[M].New York:McGraw-Hill,2001:268-275
    [9]
    Joseph Katz,Allen Plotkin.Low-speed aerodynamics[M].2nd ed.Cambridge:Cambridge University Press,2001:201-204
    [10]
    《飞机设计手册》总编委会.飞机设计手册第6册:气动设计[M].北京:航空工业出版社,2005:252-325
    Editorial board of aircraft design handbook.Aircraft design handbook vol 6:aerodynamic design[M].Beijing:Aviation Industry Press,2005:252-325 (in Chinese)
    [11]
    陈宝林.最优化理论与算法[M].2版.北京:清华大学出版社,2005:417-422
    Chen Baolin.Theory and arithmetic of optimization[M].2nd ed.Beijing:Tsinghua University Press:417-422 (in Chinese)
    [12]
    肖志鹏,万志强,梁猛,等.双尾撑布局飞机飞行载荷分析[J].北京航空航天大学学报,2008,34(4):456-459
    Xiao Zhipeng,Wan Zhiqiang,Liang Meng,et al.Flight loads analysis of a twin-tailboom aircraft[J].Journal of Beijing University of Aeronautics and Astronautics,2008,34(4):456-459 (in Chinese)
    • Relative Articles
    • Supplements(0)
    • Cited By
  • 加载中

Catalog

    通讯作者: 陈斌, bchen63@163.com
    • 1. 

      沈阳化工大学材料科学与工程学院 沈阳 110142

    1. 本站搜索
    2. 百度学术搜索
    3. 万方数据库搜索
    4. CNKI搜索
    Get Citation
    PDF
    XML

    Article Metrics

    Article views(3018) PDF downloads(822) Cited by()
    Proportional views
    Related

    Copyright © Journal of Beijing University of Aeronautics and Astronautics

    Address: Editorial Department of Journal of Beijing University of Aeronautics and Astronautics, 37 Xueyuan Road, Haidian District, Beijing Post Code: 100191 Email: jbuaa@buaa.edu.cn

    Supported by: Beijing Renhe Information Technology Co., Ltd.    

    /

    DownLoad:  Full-Size Img  PowerPoint
    Return
    Return