斜孔式等离子体合成射流激励器静特性的实验

程林; 孙姝; 谭慧俊; 何小明; 张宇超; 张悦

doi:10.13224/j.cnki.jasp.2017.11.028

斜孔式等离子体合成射流激励器静特性的实验

doi: 10.13224/j.cnki.jasp.2017.11.028

1.
南京航空航天大学能源与动力学院江苏省航空动力系统重点实验室，南京 210016
2.
南京航空航天大学民航学院，南京 210016

基金项目: 国家自然科学基金重点项目（11532007）; 江苏高校优势学科建设工程资助项目

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出版历程
- 收稿日期: 2016-04-22
- 刊出日期: 2017-11-28

Experiment on static characteristics of plasma synthetic jet actuator with oblique orifice

摘要

摘要: 设计了斜孔式等离子体合成射流激励器，采用电参数测量和高速纹影技术研究了其放电特性及瞬态流场特性。实验表明：相较直孔式等离子体合成射流激励器，斜孔式等离子体合成射流激励器的射流流动表现出明显的附壁效应和非对称性，这有利于提高射流对流动分离的控制能力。同时，实验中还观察到了浮力对等离子体高温射流流场演化的影响，特别是在射流演化的末期，其诱导的垂向速度分量显著地改变了射流的最终运动方向。
- 斜孔式 /
- 等离子体合成射流激励器(PSJA) /
- 流动控制 /
- 非对称性 /
- 浮力影响 /
- 附壁效应
Abstract: A plasma synthetic jet actuator with oblique orifice was designed. The discharge characteristics and flow field characteristics were researched by electric parameter measurement system and highspeed Schlieren technology. Results showed that compared with the actuator with normal orifice, the injection flow induced by the jet actuator with oblique orifice tended to attach the wall and behave with significant asymmetry, enhancing the jet flow control capability. Moreover, the effect of buoyancy on the evolution of high temperature plasma jet flow was observed, the normal velocity induced by the buoyancy effect altered the flow direction, and this effect got stronger at the end of the evolution.
- oblique orifice /
- plasma synthetic jet actuator(PSJA) /
- flow control /
- asymmetry /
- buoyancy effect /
- wall attaching effect

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参考文献(18)

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