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首页> 外文期刊>Journal of Fluid Science and Technology >Development of A Compact Synthetic Jet Generator Driven by Electromagnetic Micro Flap Actuator
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Development of A Compact Synthetic Jet Generator Driven by Electromagnetic Micro Flap Actuator

机译：电磁微风门驱动器驱动的紧凑型合成射流发电机的研制

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摘要

In this study, a compact synthetic jet generator using electromagnetic micro flap actuator as a driving mechanism is developed and tested. Firstly, the effects of flap's width and length on static and dynamic responses of the driving mechanism are numerically investigated. The results show significant effects of the flap length rather than width. In experiments, the electromagnetic micro flap actuators are fabricated, and the static and dynamic responses for 3 mm wide flaps with 6 and 7 mm long are examined using a high resolution photographing technique and capacitance probe. The significant differences in their static and dynamic responses are observed as expected. After assembling the electromagnetic flap actuator to the synthetic jet generator, its generated jet velocity is examined using CTA anemometer. The maximum jet velocity of 0.6-0.8 m/s at 2 mm downstream from its orifice is obtained at about 600 Hz driving frequency, and no significant effect of driving signal shape, namely sinusoidal and square signals, on the jet velocity is observed. In addition, the jet velocity is comparable to a synthetic jet generator driven by a diaphragm actuator.
机译：在这项研究中，开发并测试了使用电磁微风门执行器作为驱动机构的紧凑型合成射流发生器。首先，数值研究了襟翼的宽度和长度对驱动机构静态和动态响应的影响。结果显示出襟翼长度而不是宽度的显着影响。在实验中，制造了电磁微风门执行器，并使用高分辨率照相技术和电容探头检查了3 mm宽，长度为6和7 mm的风门的静态和动态响应。如预期的那样，观察到它们的静态和动态响应的显着差异。将电磁襟翼执行器组装到合成射流发生器后，使用CTA风速计检查其产生的射流速度。在大约600 Hz的驱动频率下，在其孔口下游2 mm处可获得0.6-0.8 m / s的最大喷射速度，并且未观察到驱动信号形状（即正弦信号和方波信号）对喷射速度的显着影响。此外，喷射速度可与由隔膜致动器驱动的合成喷射发生器相媲美。

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