Evaluation of the 3D-PIV Standard Images (PIV-STD Project)

Authors:
K. Okamoto;S. Nishio;T. Kobayashi;T. Saga;K. Takehara
Affiliations:
Nuclear Engrg. Res. Lab., The University of Tokyo, Tokai-mura, Ibaraki 319-1106, Japan.;Dept. Maritime Science, Kobe University of Mercantile Marine, Kobe, Hyogo, 658-0022, Japan;Institute of Industrial Sci., The University of Tokyo, Roppongi, Tokyo, 106-8558, Japan;Dept. Civil Engineering, Kinki University, Higashi-Osaka, Osaka, 577-8502, Japan;Dept. Civil Engineering, Kinki University, Higashi-Osaka, Osaka, 577-8502, Japan
Venue:
Journal of Visualization
Year:
2000

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Abstract

Particle Imaging Velocimetry (PIV) offers many advantages for studies of fluid flows. Lots of PIV techniques have been developed and applied to various flow fields. However, there are no standard tools for evaluation of the PIV system effectiveness and accuracy. To popularize the PIV for practical use, the PIV system should have some standard. The Visualization Society of Japan (VSJ) started a project for PIV standardization and popularization in 1996 (PIV-STD Project). The PIV has two processes, i.e., the image capture with visualization and image analysis. In order to evaluate the image analysis system for the PIV, standard images were proposed. Using the images, an evaluation of the effectiveness and accuracy for the PIV system will be carried out. The developed PIV standard images are distributed using the Internet, (http://www.vsj.or.jp/piv). The standard images include the two-dimensional and transient three-dimensional images. The correct velocity vectors and correct particle location in three-dimensional field are also provided to evaluate the effectiveness of the target flow field.