Effect of plasma on low pressure supersonic helium flow field

doi:10.16568/j.0254-6086.201604014

NUCLEAR FUSION AND PLASMA PHYSICS ›› 2016, Vol. 36 ›› Issue (4): 368-373.DOI: 10.16568/j.0254-6086.201604014

• Non-Fusion Plasma Applications • Previous Articles Next Articles

Effect of plasma on low pressure supersonic helium flow field

HUAI Ying1, LI Shou-zhe2, WU Ke-nan1, YE Fu-li2

(1. Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023; 2. School of Physics and Optoelectronic Technology, Dalian University of Technology, Dalian 116024)

Online:2016-12-15 Published:2016-12-14

等离子体对低气压超音速氦气流场作用的实验研究

怀英1，李寿哲2，吴克难1，叶福莉2

(1. 中国科学院大连化学物理研究所，大连 116023；2. 大连理工大学物理与光电工程学院，大连 116024)

作者简介:怀英(1976-)，女，黑龙江阿城人，博士，研究员，主要从事化学激光内流场控制研究。
基金资助:
国家自然科学基金(61205139)

Abstract

Abstract:

Influence of a boundary surface discharge plasma on the low-pressure supersonic helium flow field is investigated with a DC-driven discharge plasma actuator and its effect on altering the gas flow field by means of the molecular tagging smoke wire. It is found that the cathode region of the boundary surface discharge plasma plays a pivotal role on the control of supersonic flow of helium on the actual conditions. In addition, the higher the driven voltage of plasma actuator, the better the control of airflow field. With the increase of the driven voltage, the discharge area on cathode region will be enlarged, correspondingly the actual working area is enlarged, so that the controlling effect on airflow field is more appreciable.

Key words: DC-driven discharge, Molecular tagging smoke wire, Surface discharge, Gas flow field

摘要：

采用直流驱动等离子体激励器并通过气流场的碘线表征法研究了边界表面放电等离子体对低气压超音速氦气流场的作用。实验结果表明，边界表面放电等离子体的阴极区对以超音速流动的氦气的控制作用在符合实际工程条件的低气压下是有效果的；等离子体激励器的驱动电压越高，气流场的流动控制效果越好；定性观察表明激励器的阴极板的面积越大，实际作用区域越大，相应的实际控制效果越好。

关键词: 直流驱动放电, 碘线法, 表面放电, 气流场

CLC Number:

O539

HUAI Ying1, LI Shou-zhe2, WU Ke-nan1, YE Fu-li2. Effect of plasma on low pressure supersonic helium flow field[J]. NUCLEAR FUSION AND PLASMA PHYSICS, 2016, 36(4): 368-373.

怀英1，李寿哲2，吴克难1，叶福莉2. 等离子体对低气压超音速氦气流场作用的实验研究[J]. 核聚变与等离子体物理, 2016, 36(4): 368-373.

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Effect of plasma on low pressure supersonic helium flow field

等离子体对低气压超音速氦气流场作用的实验研究

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