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飞翼布局无人机进排气影响及机理分析

郁新华 陶于金 张琳 高丽敏

郁新华, 陶于金, 张琳, 等 . 飞翼布局无人机进排气影响及机理分析[J]. 北京航空航天大学学报, 2015, 41(5): 786-792. doi: 10.13700/j.bh.1001-5965.2014.0327
引用本文: 郁新华, 陶于金, 张琳, 等 . 飞翼布局无人机进排气影响及机理分析[J]. 北京航空航天大学学报, 2015, 41(5): 786-792. doi: 10.13700/j.bh.1001-5965.2014.0327
YU Xinhua, TAO Yujin, ZHANG Lin, et al. Influence of engine inlet and exhaust on flying wing UAV and its mechanism analysis[J]. Journal of Beijing University of Aeronautics and Astronautics, 2015, 41(5): 786-792. doi: 10.13700/j.bh.1001-5965.2014.0327(in Chinese)
Citation: YU Xinhua, TAO Yujin, ZHANG Lin, et al. Influence of engine inlet and exhaust on flying wing UAV and its mechanism analysis[J]. Journal of Beijing University of Aeronautics and Astronautics, 2015, 41(5): 786-792. doi: 10.13700/j.bh.1001-5965.2014.0327(in Chinese)

飞翼布局无人机进排气影响及机理分析

doi: 10.13700/j.bh.1001-5965.2014.0327
基金项目: 国家自然科学基金(51236006)
详细信息
    通讯作者:

    郁新华(1972—),男,江苏泰兴人,副教授,yuxinhua@nwpu.edu.cn,主要研究方向为无人机总体气动设计.

  • 中图分类号: V211.3

Influence of engine inlet and exhaust on flying wing UAV and its mechanism analysis

  • 摘要: 进气道尾喷管的存在不仅影响着飞机机身前后的流场特性与压力分布,而且影响着飞机升力特性、阻力特性以及力矩特性.为了研究进排气效应对飞机气动特性的影响,采用计算流体力学(CFD)数值模拟技术,建立飞翼布局无人机(UAV)堵锥整流模型和动力影响模型,其中动力影响模型是根据发动机不同的工作状态,在进气道以及尾喷管截面上设置不同的边界条件,对比分析这两种计算模型在流场特征和气动特性上的差异性,揭示内在的影响机理.进排气效应的研究有助于飞机/发动机的一体化气动综合设计.

     

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出版历程
  • 收稿日期:  2014-06-06
  • 修回日期:  2014-08-25
  • 刊出日期:  2015-05-20

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