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https://doi.org/10.1007/s10851-007-0014-9

has been cited by the following article:

• TITLE: Application of Optical Flow Analysis to Shadowgraph Images of Impinging Jet

  AUTHORS: Masato Hijikuro, Masayuki Anyoji

  KEYWORDS: Impinging Jet, Optical Flow, Shadowgraph, Image Analysis, Velocity Vector

  JOURNAL NAME: Journal of Flow Control, Measurement & Visualization, Vol.8 No.4, September 23, 2020

  ABSTRACT: In this study, we apply the optical flow method to the time-series shadowgraph images of impinging jets using a high-speed video camera with high spatial and temporal resolution. This image analysis provides quantitative velocity vector fields in the object space without tracer particles. The analysis results clearly capture the details of the coherent vortex structure and its advection from the shear layer of the free jet. Although the results still leave challenges for the quantitative validation, the results show that this analysis method is effective for understanding the details of the physical phenomenon based on the quantitative values extracted from the shadowgraph images.