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A Simulation of Longitudinal Dispersion in Flows Through Partial Emergent Vegetation Based on Lagrangian Approach

Author(s): Xuerong Liang; Wenxin Huai; Zhonghua Yang; Yuhong Zeng

Linked Author(s): Zhonghua Yang, Wenxin Huai, Yuhong Zeng

Keywords: No Keywords

Abstract: Abstract: Compared with molecular diffusion and turbulent diffusion, dispersion has a more important influence on the transport of pollutants due to the larger magnitude. In natural rivers, the dispersion is mainly caused by the non-uniform distribution of longitudinal velocity in the cross-section. We assume that the physical quantities are invariant in the vertical direction and simplify the three-dimensional problem to the horizontal two-dimensional problem.


Year: 2018

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