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基于准则的大展弦比飞翼气动设计

甘文彪 周洲 许晓平

甘文彪, 周洲, 许晓平等 . 基于准则的大展弦比飞翼气动设计[J]. 北京航空航天大学学报, 2015, 41(9): 1608-1614. doi: 10.13700/j.bh.1001-5965.2014.0672
引用本文: 甘文彪, 周洲, 许晓平等 . 基于准则的大展弦比飞翼气动设计[J]. 北京航空航天大学学报, 2015, 41(9): 1608-1614. doi: 10.13700/j.bh.1001-5965.2014.0672
GAN Wenbiao, ZHOU Zhou, XU Xiaopinget al. Aerodynamic design of high-aspect-ratio flying wing based on criteria[J]. Journal of Beijing University of Aeronautics and Astronautics, 2015, 41(9): 1608-1614. doi: 10.13700/j.bh.1001-5965.2014.0672(in Chinese)
Citation: GAN Wenbiao, ZHOU Zhou, XU Xiaopinget al. Aerodynamic design of high-aspect-ratio flying wing based on criteria[J]. Journal of Beijing University of Aeronautics and Astronautics, 2015, 41(9): 1608-1614. doi: 10.13700/j.bh.1001-5965.2014.0672(in Chinese)

基于准则的大展弦比飞翼气动设计

doi: 10.13700/j.bh.1001-5965.2014.0672
基金项目: 中央高校基本科研业务费专项资金(YWF-15-GJSYS-031); 国家自然科学基金(11302178)
详细信息
    通讯作者:

    甘文彪(1985—),男,湖南邵阳人,讲师,ganhope@buaa.edu.cn,主要研究方向为飞行器总体气动设计与计算流体力学.

  • 中图分类号: V211.4

Aerodynamic design of high-aspect-ratio flying wing based on criteria

  • 摘要: 从设计实际出发,为切实提高气动性能,开展了大展弦比飞翼无人机(UAV)的气动设计及分析研究.在设计分析过程中,依据飞翼无人机的特征,提出了气动设计准则;基于设计准则,采用更新设计的策略,结合变可信度数值模拟、代理模型优化方法构建了优化设计框架;针对飞翼无人机开展了参数化表达、无限插值网格自动生成以及多轮更新优化,得到了优化推荐构型;应用γ-Reθt转捩模型方法对优化构型的气动性能进行了细致地验证分析.研究结果表明:通过气动设计,飞翼无人机设计构型很好地契合了设计准则,其巡航升阻比相比最初的原始构型提高了14%,γ-Reθt转捩模型能较细致地分析大展弦比飞翼的流动特征.

     

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出版历程
  • 收稿日期:  2014-10-30
  • 网络出版日期:  2015-09-20

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