A flow control study of a supersonic mixing layer via NPLS
A flow control study of a supersonic mixing layer via NPLS
复制标题
基于NPLS的超声速混合层流动控制研究
DOI：
10.1007/s11433-009-0301-0
复制
发表时间：
2009-12
期刊：
影响因子：
--
通讯作者：
Cheng ZhongYu
中科院分区：
文献类型：
--
作者：
He Lin;Zhao YuXin;Tian LiFeng;Cheng ZhongYu
在对流马赫数Mc为0.5的超声速混合层风洞中研究了超声速混合层的流动控制。混合层的被动控制是通过分离板后缘的扰动带实现的。比较了不同尺寸的二维和三维微扰带的控制效果。混合层通过NPLS可视化，并在NPLS图像中的瞬态精细结构是可识别的，这是用来分析流动控制的效果。结果表明：二维条带可以增强混合层的二维特性，延迟混合层的转捩;三维条带可以增强混合层的三维特性，提前混合层的转捩。通过三维流带控制，观察到了混合层的三维结构，并发现了H型Λ涡。
The flow control of a supersonic mixing layer was studied in a supersonic mixing layer wind tunnel with convective Mach number (Mc) at 0.5. The passive control of the mixing layer was achieved by perturbation tapes on the trailing edge of the splitter plate. The control effects of 2D and 3D perturbation tapes with different sizes were compared. The mixing layer was visualized via NPLS, and the transient fine structures were identifiable in NPLS images, which were used to analyze the effects of flow control. The results show that the 2D tapes can enhance the 2D characteristic of the mixing layer, delaying mixing layer transition; and the 3D tapes can enhance the 3D characteristic of the mixing layer, advancing mixing layer transition. 3D structures of the mixing layer were visualized, and the H-type Λ vortexes were found with 3D tapes control.
登录
查看更多内容
DOI：
10.1007/s11433-009-0180-4
发表时间：
2009-08
期刊：
Science in China Series G: Physics, Mechanics and Astronomy
影响因子：
--
作者：
L. Tian;S. Yi;Yu-xin Zhao;Lin He;Zhongyu Cheng
通讯作者：
L. Tian;S. Yi;Yu-xin Zhao;Lin He;Zhongyu Cheng
DOI：
10.1360/02ys9096
发表时间：
2002-07
期刊：
Science in China Series A: Mathematics
影响因子：
--
作者：
Weijin Cao;Heng Zhou
通讯作者：
Weijin Cao;Heng Zhou
DOI：
--
发表时间：
1998
期刊：
--
影响因子：
--
作者：
M. Gad-el-Hak;A. Pollard;J. Bonnet
通讯作者：
M. Gad-el-Hak;A. Pollard;J. Bonnet
影响因子：
3.7
作者：
A. Michalke
通讯作者：
A. Michalke
DOI：
10.1007/s11434-007-0177-1
发表时间：
2007-05
期刊：
科学通报(英文版)
影响因子：
--
作者：
Zhao YuXin;Cheng ZhongYu;He Lin;Yi ShiHe;Tian LiFeng
通讯作者：
Tian LiFeng