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前体边条控制技术对航向静稳定性的影响

闻静 王延奎 邓学蓥

闻静, 王延奎, 邓学蓥等 . 前体边条控制技术对航向静稳定性的影响[J]. 北京航空航天大学学报, 2016, 42(10): 2180-2188. doi: 10.13700/j.bh.1001-5965.2015.0746
引用本文: 闻静, 王延奎, 邓学蓥等 . 前体边条控制技术对航向静稳定性的影响[J]. 北京航空航天大学学报, 2016, 42(10): 2180-2188. doi: 10.13700/j.bh.1001-5965.2015.0746
WEN Jing, WANG Yankui, DENG Xueyinget al. Effect of forebody strake control technology on static directional stability[J]. Journal of Beijing University of Aeronautics and Astronautics, 2016, 42(10): 2180-2188. doi: 10.13700/j.bh.1001-5965.2015.0746(in Chinese)
Citation: WEN Jing, WANG Yankui, DENG Xueyinget al. Effect of forebody strake control technology on static directional stability[J]. Journal of Beijing University of Aeronautics and Astronautics, 2016, 42(10): 2180-2188. doi: 10.13700/j.bh.1001-5965.2015.0746(in Chinese)

前体边条控制技术对航向静稳定性的影响

doi: 10.13700/j.bh.1001-5965.2015.0746
基金项目: 国家自然科学基金(11272035)
详细信息
    作者简介:

    闻静,女,博士研究生。主要研究方向:流体力学。Tel.:010-82317524,E-mail:wenjing-1983@163.com;王延奎,男,博士,教授,博士生导师。主要研究方向:流体力学。Tel.:010-82339591,E-mail:wangyankui@buaa.edu.cn;邓学蓥,男,博士,教授,博士生导师。主要研究方向:流体力学。Tel.:010-82317524,E-mail:dengxueying@vip.sina.com

    通讯作者:

    王延奎,Tel.:010-82339591,E-mail:wangyankui@buaa.edu.cn

  • 中图分类号: V221+.3;TB553

Effect of forebody strake control technology on static directional stability

Funds: National Natural Science Foundation of China (11272035)
  • 摘要: 当飞机航向失稳时,垂尾所在的机身后体处于低能的翼身涡尾流中,效率降低,而机身前体则位于尚未干扰的气流中,在机身头部加前体边条,可以起到增加航向静稳定性作用。通过对一系列前体边条的试验研究,发现长度为机身总长3%的前体边条,可将全机航向失稳迎角提高约8°左右,且侧滑角越小,航向失稳迎角提高越多。通过测压和PIV试验数据可以发现,前体边条提高航向静稳定性,主要是由于前体边条产生边条涡,该涡主要影响机身前体,使得前体背风侧负压力值减小,从而导致前体截面不稳定偏航力矩减小,增加了全机的航向静稳定性。

     

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出版历程
  • 收稿日期:  2015-11-12
  • 刊出日期:  2016-10-20

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