流体力学与飞行力学

带边条翼导弹滚转稳定性分析

  • 耿玺 ,
  • 史志伟 ,
  • 程克明 ,
  • 龚正 ,
  • 刘超
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  • 南京航空航天大学 航空宇航学院, 南京 210016
耿玺 男, 博士研究生。主要研究方向: 实验空气动力学, 非定常空气动力学, 流动控制。 Tel: 025-84892505 E-mail: greatgengxi@163.com;史志伟 男, 博士, 教授, 博士生导师。主要研究方向: 实验空气动力学, 非定常空气动力学, 流动控制。 Tel: 025-84896464 E-mail: szwam@nuaa.edu.cn

收稿日期: 2014-11-13

  修回日期: 2014-12-30

  网络出版日期: 2015-02-11

基金资助

江苏省普通高校研究生科研创新计划(CXLX12_0134); 中央高校基本科研业务费专项资金

Rolling stability analysis of missile with strake wing

  • GENG Xi ,
  • SHI Zhiwei ,
  • CHENG Keming ,
  • GONG Zheng ,
  • LIU Chao
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  • College of Aerospace Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing 210016, China

Received date: 2014-11-13

  Revised date: 2014-12-30

  Online published: 2015-02-11

Supported by

Funding of Jiangsu Innovation Program for Graduate Education (CXLX12_0134); The Fundamental Research Funds for the Central Universities

摘要

为了分析带边条翼导弹模型的非线性自由滚转运动及滚转稳定特性,采用理论分析与动态测力试验、滚转自由度释放测量试验相结合的方式,对低速来流条件下模型0°~60°迎角范围内的滚转运动、滚转稳定特性随迎角变化的规律进行了研究。在10°迎角时,模型在4个"+"形位置是滚转静稳定的并且在"+"形位置上滚转运动保持平衡;迎角大于20°的范围内滚转静稳定的平衡位置变到4个"×"形位置上;并且迎角为20°时模型在"×"形位置滚转保持平衡,迎角大于30°后模型产生滚转极限环自激振荡运动,迎角达到60°时模型的滚转运动发散演变为高速旋转的形式。研究结果表明:模型滚转运动的形式决定于滚转力矩的静、动稳定特性。

本文引用格式

耿玺 , 史志伟 , 程克明 , 龚正 , 刘超 . 带边条翼导弹滚转稳定性分析[J]. 航空学报, 2015 , 36(10) : 3241 -3248 . DOI: 10.7527/S1000-6893.2015.0006

Abstract

In order to study the nonlinear free rolling motion and rolling stability of a missile mounted with strake wing, different methods are used including the theoretical method, the dynamic force tests and the free-to-roll measurement. The free rolling motion and the changing of the rolling stability have been studied from the angle of attack(AOA) from 0° to 60° under the low speed free stream condition. At AOA of 10° the rolling statically stable positions are where the model looks like "+" shape and the model can keep stable at these positions after being released rolling free. When the angle of attack is higher than 20°, the rolling statically stable positions have changed to where the model is "×" shaped. And at AOA of 20° the model can keep rolling stable at the position where the model is "×" shaped. When the AOA is higher than 30°, the model generates the limit cycle oscillation itself at the positions where the model is "×" shaped. When the AOA reaches 60°, the rolling motion becomes spinning after the limit cycle oscillation diverges. The results indicate that the rolling motions are determined by the static and dynamic stability of rolling moment.

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