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大功率狭缝式活塞激励器流场测量与分析

刘贺 董金钟 伍耐明

刘贺, 董金钟, 伍耐明等 . 大功率狭缝式活塞激励器流场测量与分析[J]. 北京航空航天大学学报, 2012, (2): 195-201.
引用本文: 刘贺, 董金钟, 伍耐明等 . 大功率狭缝式活塞激励器流场测量与分析[J]. 北京航空航天大学学报, 2012, (2): 195-201.
Liu He, Dong Jinzhong, Wu Naiminget al. Measurements and analysis of high-power slot-type piston actuator flow-field[J]. Journal of Beijing University of Aeronautics and Astronautics, 2012, (2): 195-201. (in Chinese)
Citation: Liu He, Dong Jinzhong, Wu Naiminget al. Measurements and analysis of high-power slot-type piston actuator flow-field[J]. Journal of Beijing University of Aeronautics and Astronautics, 2012, (2): 195-201. (in Chinese)

大功率狭缝式活塞激励器流场测量与分析

详细信息
  • 中图分类号: V 211.3

Measurements and analysis of high-power slot-type piston actuator flow-field

  • 摘要: 研制了一种大功率活塞射流激励器,出口瞬时速度峰值可达0.3Hz,通过对活塞激励器射流流场测量,得到激励器出口流场速度、涡量分布,分析得到激励器合成射流流动结构与特征,通过采用活塞激励器控制同轴射流掺混,实验结果证明此种活塞激励器可以用于相对较高的速度流场的主动流动控制.利用提出的设计方法设计合成射流激励器可以在激励器出口形成稳定的对涡结构,采用一定的激励频率即可对喷管气流掺混进行有效控制.研究表明,合成射流激励器作为主动流动的执行机构,在航空动力排气系统具有潜在的重要价值.

     

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出版历程
  • 收稿日期:  2010-07-20
  • 网络出版日期:  2012-02-29

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