Research on the algorithm of binary image cross-correlation for unsteady flow field measurement

被引：4
作者：
Ruan Xiaodong
Song Xiangqun
Yamamoto Fujio
机构：
[1] Zhejiang University,The State Key Laboratory of Fluid Power Transmission & Control
[2] Fukui University,Department of Mechanical Engineering
来源：
Acta Mechanica Sinica | 1999年 / 15卷 / 1期
关键词：
PIV; cross-correlation; particle identification; post-processing;
D O I：
10.1007/BF02487898
中图分类号：
学科分类号：
摘要：
In the present paper, the algorithm of Binary Image Cross-Correlation (BICC) was developed to measure the unsteady flow field. A vortex flow field was used to test the algorithm by numerical simulation. The results show that BICC is an effective algorithm for particle identification from consecutive images, the accurate velocity vector field can be obtained. The real velocity field in a valve chamber was measured by BICC in this study. From the full-field velocity information, the pressure and vorticity fields were also extracted by post-processing.
引用
收藏
页码：32 / 38
页数：6
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