Evaluation of the cross correlation method by using PIV standard images

被引：31

作者：

Hu H. ^{[1
]}

Saga T. ^{[1
]}

Kobayashi T. ^{[1
]}

Okamoto K. ^{[2
]}

Taniguchi N. ^{[1
]}

机构：

[1] Institute of Industrial Science, University of Tokyo, Roppongi, Minato-ku

[2] Nucl. Eng. Research Laboratory, University of Tokyo, Tokai-mura

来源：

Journal of Visualization | 1998年 / 1卷 / 1期

关键词：

Cross correlation method; PIV accuracy; PIV parameter optimism; PIV standard image;

D O I：

10.1007/BF03182477

中图分类号：

学科分类号：

摘要：

Effects of various parameters for PIV image acquiring and processing on the final velocity field is studied by using PIV standard images (Okamoto et al., 1997) to evaluate the cross correlation method. The studied parameters include the size of interrogation window, the size of search window, the number of tracer particles, the diameter of tracer particles, out-of-plane velocity and average image velocity or the time interval between two images. In order to improve the PIV sub-pixel accuracy, the validity of the "sub-pixel interpolation" process also is discussed in the paper. Some useful conclusions are suggested for the optimal parameter selection for a final PIV result with high accuracy.

引用

页码：87 / 94

页数：7

共 8 条

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