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A novel particle tracking algorithm using polar coordinate system similarity

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Abstract

A new algorithm using polar coordinate system similarity (PCSS) for tracking particle in particle tracking velocimetry (PTV) is proposed. The essence of the algorithm is to consider simultaneously the changes of the distance and angle of surrounding particles relative to the object particle. Monte Carlo simulations of a solid body rotational flow and a parallel shearing flow are used to investigate flows measurable by PCSS and the influences of experimental parameters on the implementation of the new algorithm. The results indicate that the PCSS algorithm can be applied to flows subjected to strong rotation and is not sensitive to experimental parameters in comparison with the conventional binary image cross-correlation (BICC) algorithm. Finally, PCSS is applied to images of a real experiment.

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Authors and Affiliations

  1. The State Key Laboratory of Fluid Power Transmission and Control, Zhejiang University, Hangzhou, 310027, China

    Xiaodong Ruan & Wenfeng Zhao

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  1. Xiaodong Ruan
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  2. Wenfeng Zhao
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Correspondence to Xiaodong Ruan.

Additional information

The project supported by the National Natural Science Foundation of China (50206019)

The English text was polished by Yunming Chen.

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Ruan, X., Zhao, W. A novel particle tracking algorithm using polar coordinate system similarity. ACTA MECH SINICA 21, 430–435 (2005). https://doi.org/10.1007/s10409-005-0054-6

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  • DOI: https://doi.org/10.1007/s10409-005-0054-6

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