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飞行器变后掠过程非定常气动特性形成机理

陈钱 白鹏 李锋

陈钱, 白鹏, 李锋. 飞行器变后掠过程非定常气动特性形成机理[J]. 力学学报, 2013, 45(3): 307-313. doi: 10.6052/0459-1879-12-302
引用本文: 陈钱, 白鹏, 李锋. 飞行器变后掠过程非定常气动特性形成机理[J]. 力学学报, 2013, 45(3): 307-313. doi: 10.6052/0459-1879-12-302
Chen Qian, Bai Peng, Li Feng. STUDY ON THE FORMATION MECHANISMS OF UNSTEADY AERODYNAMIC CHARACTERISTICS OF MORPHING FLIGHT VEHICLE IN SWEEP-VARYING PROCESS[J]. Chinese Journal of Theoretical and Applied Mechanics, 2013, 45(3): 307-313. doi: 10.6052/0459-1879-12-302
Citation: Chen Qian, Bai Peng, Li Feng. STUDY ON THE FORMATION MECHANISMS OF UNSTEADY AERODYNAMIC CHARACTERISTICS OF MORPHING FLIGHT VEHICLE IN SWEEP-VARYING PROCESS[J]. Chinese Journal of Theoretical and Applied Mechanics, 2013, 45(3): 307-313. doi: 10.6052/0459-1879-12-302

飞行器变后掠过程非定常气动特性形成机理

doi: 10.6052/0459-1879-12-302
基金项目: 国家自然科学基金资助项目(90816026).
详细信息
    通讯作者:

    陈钱,博士生,主要研究方向:计算流体力学、计算燃烧学.E-mail:chenqian04@tsinghua.org.cn

  • 中图分类号: V211.3

STUDY ON THE FORMATION MECHANISMS OF UNSTEADY AERODYNAMIC CHARACTERISTICS OF MORPHING FLIGHT VEHICLE IN SWEEP-VARYING PROCESS

Funds: The project was supported by the National Natural Science Foundation of China (90816026).
  • 摘要: 可变体飞行器变后掠过程中的时变气动力与力矩特性对于飞行安全具有重要意义,是亟待深入研究的基础问题. 通过风洞实验对其开展了研究,揭示了可变体飞行器变后掠引起的气动特性动态迟滞现象及滞回环大小与方向的影响因素. 基于风洞实验结果和力学中一些重要概念,提出了3 种物理效应:流场迟滞效应、附加运动效应、固壁牵连效应,以此定性与定量论证了可变体飞行器变后掠过程中非定常气动特性的形成机理. 除了能解释实验现象,这一机理研究亦可用于后续可变体飞行器变后掠过程中的气动特性建模.

     

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出版历程
  • 收稿日期:  2012-10-30
  • 修回日期:  2013-03-17
  • 刊出日期:  2013-05-18

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