Experimental investigation on the evolution of axi-symmetrical synthetic jet

Ting Duan; JinJun Wang

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Experimental investigation on the evolution of axi-symmetrical synthetic jet

机译：轴对称合成射流演化的实验研究

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摘要

The characteristics of a novel axi-symmetrical synthetic jet in quiescent environment is investigated with laser-induced fluorescence flow visualization technique. It is found that the trajectory of vortex ring is not only related to the dimensionless stroke length, but also the suction duty cycle factor. For the case of fixed dimensionless stroke length, the diameter of vortex ring tends to become smaller in the downstream direction with the increase of suction duty cycle factor.

机译：利用激光诱导的荧光流动可视化技术研究了在静止环境中新型轴对称合成射流的特性。发现旋涡环的轨迹不仅与无量纲行程长度有关，而且与吸力占空比因子有关。在固定无量纲行程长度的情况下，随着吸入占空比的增加，涡流环的直径在下游方向趋于变小。

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来源
《Journal of visualization》 |2016年第3期|351-358|共8页
作者
Ting Duan; JinJun Wang;
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作者单位

Fluid Mechanics Key Laboratory of Education Ministry, Beijing University of Aeronautics and Astronautics, Beijing 100191, China;

Fluid Mechanics Key Laboratory of Education Ministry, Beijing University of Aeronautics and Astronautics, Beijing 100191, China;

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原文格式 PDF
正文语种 eng
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关键词
Flow control; Synthetic jet; Suction duty cycle factor; Vortex trajectory; Vortex diameter;

机译：流量控制;合成射流吸入占空比系数;涡流轨迹;涡旋直径;

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Experimental investigation on the evolution of axi-symmetrical synthetic jet

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