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Development of a compact x-ray particle image velocimetry for measuring opaque flows. II. Three-dimensional velocity field reconstruction SCIE SCOPUS

Title
Development of a compact x-ray particle image velocimetry for measuring opaque flows. II. Three-dimensional velocity field reconstruction
Authors
Sung Yong JungLee, SJ
Date Issued
2012-04
Publisher
AIP
Abstract
An x-ray particle image velocimetry (PIV) system using a cone-beam type x-ray was developed. The field of view and the spatial resolution are 36 x 24.05 mm(2) and 20 mu m, respectively. The three-dimensional velocity field was reconstructed by adopting the least squares minimum residue and simultaneous multiplicative algebraic reconstruction techniques. According to a simulation study with synthetic images, the reconstructions were acceptable with 7 projections and 50 iterations. The reconstructed and supplied flow rates differed by only about 6.49% in experimental verification. The x-ray tomographic PIV system would be useful for 3D velocity field information of opaque flows. (C) 2012 American Institute of Physics. [http://dx.doi.org/10.1063/1.3700811]
URI
https://oasis.postech.ac.kr/handle/2014.oak/12830
DOI
10.1063/1.3700811
ISSN
0034-6748
Article Type
Article
Citation
REVIEW OF SCIENTIFIC INSTRUMENTS, vol. 83, no. 4, page. 46102, 2012-04
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이상준LEE, SANG JOON
Dept of Mechanical Enginrg
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