A Lagrangian model for the age of tracer in surface water

Yu Ding (), Haifei Liu and Yujun Yi ()
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Yu Ding: School of Environment, Beijing Normal University, Beijing 100875, P. R. China
Haifei Liu: School of Environment, Beijing Normal University, Beijing 100875, P. R. China†State Key Laboratory of Hydraulics and Mountain River Engineering, Sichuan University, Chengdu, Sichuan 610207, P. R. China
Yujun Yi: School of Environment, Beijing Normal University, Beijing 100875, P. R. China

International Journal of Modern Physics C (IJMPC), 2018, vol. 29, issue 02, 1-17

Abstract: The age of tracer is a spatio-temporal scale, indicating the transition time of solute particles, which is helpful to monitor and manage the pollutant leakage accidents. In this study, an effective Lagrangian model for the age of tracer is developed based on the lattice Boltzmann method in D2Q5 lattices. A tracer age problem in an asymmetrical circular reservoir is then employed as a benchmark test to verify this method. Then it is applied to computing the age of tracers under two different reservoir operation schemes in the Danjiangkou Reservoir, the drinking water source for the Middle Route of South-to-North Water Transfer Project.

Keywords: Lattice Boltzmann method; age of tracer; shallow water; Danjiangkou Reservoir (search for similar items in EconPapers)
Date: 2018
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DOI: 10.1142/S0129183118500134

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