Limitation and improvement of PIV |
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| Authors: | H T Huang H E Fiedler J J Wang |
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| Institution: | (1) Hermann-Föttinger-Institut, Technical University of Berlin, Germany;(2) Dept. of Eng. Phys., Tsinghua University, Beijing, P.R. China |
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| Abstract: | In this second part of the paper, the Particle Image Distortion (PID) technique is described. It is proposed to overcome the limitations of conventional PIV due to the local deformations  u/x, u/y, v/x and v/y in two-dimensional flows. Both simulation and experiment demonstrate that high accuracy and high spatial resolution are possible with this technique. The large time required to compute the cross-correlations, however, limits its wide applications at present. |
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