| 压力不匹配混合层流场结构的实验研究 |
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| 引用本文： | 赵玉新,田立丰,易仕和,何霖,程忠宇.压力不匹配混合层流场结构的实验研究[J].实验流体力学,2007,21(3):14-17. |
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| 作者姓名： | 赵玉新 田立丰 易仕和 何霖 程忠宇 |
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| 作者单位： | 国防科技大学航天与材料工程学院,湖南,长沙,410073 |
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| 摘 要： | 为了研究压力不匹配超声速湍流混合层流场结构,采用时间平均纹影、脉冲激光纹影和高时空分辨率NPLS方法获取了相应的流动显示图像.根据不同时间和空间分辨率的实验图像所展示的流场结构,研究了激波与膨胀波对混合层整体结构的影响,分析了压力不匹配对混合层精细结构的影响.
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| 关 键 词： | 压力不匹配 混合层 流场结构 风洞实验 流动显示 |
| 文章编号： | 1672-9897（2007）03-0014-04 |
| 修稿时间： | 2006-07-03 |
Experimental study of flow structure in pressure unmatched mixing layer |
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| ZHAO Yu-xin,TIAN Li-feng,YI Shi-he,HE Lin,CHENG Zhong-yu.Experimental study of flow structure in pressure unmatched mixing layer[J].Experiments and Measur in Fluid Mechanics,2007,21(3):14-17. |
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| Authors: | ZHAO Yu-xin TIAN Li-feng YI Shi-he HE Lin CHENG Zhong-yu |
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| Institution: | College of Aerospace and Material Engineering, National Univ. of Defense Technology, Changsha 410073, China |
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| Abstract: | In order to study the flow structure of pressure unmatched mixing layer,the flow visualization images are acquired by time-average schilieren,pulse laser schilieren and NPLS method.According to the flow structures from different time and space resolution experimental images,the influence of shock wave and expand wave on whole structure of mixing layer and the influence of pressure unmatched on fine structure of mixing layer are discussed. |
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| Keywords: | pressure unmatched mixing layer flow structure wind tunnel test flow visualization |
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