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悬停状态下小型共轴直升机操纵响应特性分析

徐冠峰 陈铭

徐冠峰, 陈铭. 悬停状态下小型共轴直升机操纵响应特性分析[J]. 北京航空航天大学学报, 2011, 37(8): 918-922.
引用本文: 徐冠峰, 陈铭. 悬停状态下小型共轴直升机操纵响应特性分析[J]. 北京航空航天大学学报, 2011, 37(8): 918-922.
Xu Guanfeng, Chen Ming. Control response analysis of small coaxial helicopter in hovering state[J]. Journal of Beijing University of Aeronautics and Astronautics, 2011, 37(8): 918-922. (in Chinese)
Citation: Xu Guanfeng, Chen Ming. Control response analysis of small coaxial helicopter in hovering state[J]. Journal of Beijing University of Aeronautics and Astronautics, 2011, 37(8): 918-922. (in Chinese)

悬停状态下小型共轴直升机操纵响应特性分析

详细信息
    作者简介:

    徐冠峰(1980-),男,河南南阳人,博士生,bryantfeng@126.com.

  • 中图分类号: V 212.4

Control response analysis of small coaxial helicopter in hovering state

  • 摘要: 从在研共轴双旋翼直升机的工程实际出发,建立了悬停状态下旋翼非定常气动特性的计算模型.引入Leishman-Beddoes指数函数的半经验公式,建立了二维翼型非定常气动模型;引入干扰因子到动态入流模型,建立了反映共轴双旋翼直升机上下旋翼气动干扰的诱导速度模型;从桨叶的挥舞动力学模型出发,利用四阶Runge-Kutta算法求解桨叶刚性挥舞角的数值解.通过计算分析,得到了悬停状态,总距突增时上下旋翼升力和扭矩的动态响应特性,并分析比较了半差动和全差动航向控制方式的操纵响应差别,为共轴式直升机机动特性的研究作了必要的准备.

     

  • [1] 辛宏.旋翼非定常气动特性的理论和实验研究 .南京:南京航空航天大学航空宇航学院,1995 Xin Hong.Experiment and theoretical investigation on the unsteady aerodynamics of helicopter rotor .Nanjing:College of Aeronautics and Astronautics,Nanjing University of Aeronautics and Astronautics,1995(in Chinese) [2] 林永峰,陈文轩,邓建军.旋翼非定常气动载荷实验研究[J].南京航空航天大学学报,2003,35(3):304-307 Lin Yongfeng,Chen Wenxuan,Deng Jianjun.Experimental study of rotor unsteady aerodynamic loads[J].Journal of Nanjing University of Aeronautics and Astronautics,2003,35(3):304-307(in Chinese) [3] 徐进.直升机大机动飞行中旋翼非定常空气动力研究 .南京:南京航空航天大学航空宇航学院,2007 Xu Jin.Unsteady aerodynamics investigation for the isolated rotor in large amplitude maneuvering flight .Nanjing:College of Aeronautics and Astronautics,Nanjing University of Aeronautics and Astronautics,2007(in Chinese) [4] Leishman J G,Beddoes T S.A semi empirical model for dynamic stall[J].Journal of the American Helicopter Society,1989,34(3):3-17 [5] Leishman J G,Beddoes T S.A generalized model for unsteady airfoil behavior and dynamic stall using the indicial method //The 42nd AHS forum.Washington D C: ,1986:243-265 [6] Gaonkar G H.Peters D A.Review of dynamic inflow modeling for rotorcraft flight dynamics[J].Vertica,1988,12(3):213-242 [7] Pitt D M,Peters D A.Theoretical prediction of dynamic inflow derivatives [J].Vertica,1981,5(1):21-34 [8] Johnson W.Helicopter theory[M].Princeton,New Jersey:Princeton University Press,1980,131-132 [9] Cao Y H,Reichert G.Nonlinear inverse simulation for the maneuvering flight of coaxial rotor helicopters[J].Chinese Journal of Aeronautics,1997,10(4):219-246 [10] Andrew M J.Co-axial rotor aerodynamics in hover[J].Vertica,1981,5(1):163-173
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出版历程
  • 收稿日期:  2010-04-07
  • 网络出版日期:  2011-08-30

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