| 压电-活塞式合成射流驱动器结构与性能 |
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| 引用本文： | 张立,王帮峰,周勇.压电-活塞式合成射流驱动器结构与性能[J].宇航学报,2011(8). |
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| 作者姓名： | 张立 王帮峰 周勇 |
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| 作者单位： | 南京航空航天大学;南京信息工程大学; |
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| 基金项目： | 国家自然科学基金(90405008,10772081,90605003) |
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| 摘 要： | 在传统的压电合成射流驱动器驱动器的基础之上,结合活塞式合成射流驱动器的结构特点,设计了一种新型的压电式合成射流驱动器结构。使用ANSYS仿真出这种新结构的振型模态并与传统压电式合成射流驱动器的振动模态对比。通过热线风速仪对新驱动器的驱动能力进行测量。得到了这种新型驱动器的频率响应曲线、瞬时速度、中心线上速度分布和开口处横向速度分布曲线。实验结果显示出这种新型的压电-活塞式合成射流驱动器峰值速度可以达到80m/s以上,可以有效增加驱动器的驱动能力。
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| 关 键 词： | 合成射流 压电-活塞式 热线风速仪 振动模态 |
Novel Structure for Piezoelectric Synthetic Jet Actuator |
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| ZHANG Li,WANG Bang-feng,ZHOU Yong.Novel Structure for Piezoelectric Synthetic Jet Actuator[J].Journal of Astronautics,2011(8). |
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| Authors: | ZHANG Li WANG Bang-feng ZHOU Yong |
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| Institution: | ZHANG Li1,WANG Bang-feng1,ZHOU Yong2 (1.Nanjing University of Aeronautics and Astronautics,Nanjing 210016,China,2.Nanjing University of Information Science and Technology,China) |
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| Abstract: | This paper presents a novel structure for Piezoelectric Synthetic Jet Actuator(PSJA).It unites the traditional PSJA and the motor driven SJA.The simulation of the model has been established by software ANSYS,and compared to traditional PSJA.The experiments with hotwire anemometer have been established.The frequency response,instant velocity around orifice,velocity distribution along axial distance,and the distribution of velocity of the outflow near the orifice has been obtained.The results revealed that th... |
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| Keywords: | Synthetic jet actuator Piezoelectric Hotwire anemometer Vibration model |
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