阵列式介质阻挡放电等离子体激励对近壁区流动影响

秦立涛; 张海灯; 汪一舟

doi:10.7638/kqdlxxb-2021.0068

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阵列式介质阻挡放电等离子体激励对近壁区流动影响

研究论文 | 更新时间：2026-05-28

- 阵列式介质阻挡放电等离子体激励对近壁区流动影响
- Effect on near-wall region flow by an array of dielectric barrierdischarge plasma actuators
- 空气动力学学报 2022年40卷第2期页码：50-58
- 作者机构：
  
  空军工程大学等离子体动力学重点实验室,西安,710038
- 作者简介：
  
  秦立涛（1997-），男，吉林和龙人，硕士，研究方向：压气机等离子体流动控制. E-mail：qlt17058170512@163.com
  张海灯*，男，博士，讲师，研究方向：压气机等离子体流动控制. E-mail：zhanghaideng@126.com
- 基金信息：
  
  国家自然科学基金（51906254）
- DOI：10.7638/kqdlxxb-2021.0068
  中图分类号： O539
- 纸质出版：2022
- 稿件说明：
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秦立涛, 张海灯, 汪一舟. 阵列式介质阻挡放电等离子体激励对近壁区流动影响[J]. 空气动力学学报, 2022, 40(2): 50−58.

QIN Litao, ZHANG Haideng, WANG Yizhou. Effect on near-wall region flow by an array of dielectric barrierdischarge plasma actuators[J]. 2022, 40(2): 50-58.
秦立涛, 张海灯, 汪一舟. 阵列式介质阻挡放电等离子体激励对近壁区流动影响[J]. 空气动力学学报, 2022, 40(2): 50−58. DOI： 10.7638/kqdlxxb-2021.0068

QIN Litao, ZHANG Haideng, WANG Yizhou. Effect on near-wall region flow by an array of dielectric barrierdischarge plasma actuators[J]. 2022, 40(2): 50-58. DOI： 10.7638/kqdlxxb-2021.0068.

摘要

为了揭示介质阻挡放电等离子体激励流场作用效果对流动状态的依赖性，设计了由八组表面介质阻挡放电等离子体激励器（AC-SDBD）组成的阵列式激励器，在来流风速20～80 m/s工况下，研究了其对近壁区流动的影响。实验结果表明：施加激励的瞬间，阵列式AC-SDBD使得近壁区速度明显增大，随着时间的推移，近壁区速度有所下降，最后趋于稳定；当流动状态稳定后，激励沿流向和法向的影响范围分别达到了激励器下游170 mm和距离壁面10 mm位置，且激励后近壁区速度分布规律与流向距离和距壁面高度均有关；来流速度较低时，激励使得稳定后的近壁区速度增大，但当来流速度增大到一定数值时，施加激励后近壁区速度有所减小。

Abstract

In order to reveal the flow state dependence of the control effect by alternating current surface dielectric barrier discharge (AC-SDBD) plasma actuation

an array of eight AC-SDBD plasma actuators was designed

and the influence on the flow in the near-wall region was investigated for the mainstream velocity ranging from 20 m/s to 80 m/s. The experimental results show that the array of AC-SDBD plasma actuators can significantly increase the velocity in the near-wall region initially

which eventually drops a bit before finally stabilizes. After the flow reaches a new stable state

the influence range of the plasma actuation can extent as far as 170 mm downstream of the actuators and 10 mm in the wall-normal direction

respectively. Moreover

the velocity distribution near the wall under the plasma actuation depends on the streamwise and wall-normal locations. When the mainstream velocity is small

the plasma actuation increases the near-wall velocity after stabilization

but when the mainstream velocity is above a certain value

the near-wall velocity after the plasma actuation is lower than the corresponding no actuated case.

关键词

Keywords

references

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