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《Engineering Journal of Wuhan University》 2011-01
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Particle tracing random simulation on advection diffusion of pollutants

FAN Shiping1,WANG Yanfang1,FENG Minquan1,ZHENG Bangmin2(1.Key Laboratory of Northwest Water Resources and Environmental Ecology of Education Ministry,Xi'an University of Technology,Xi'an 710048,China;2.School of Water Resources and Hydropower,Wuhan University,Wuhan 430072,China)  
A two-step Lagrangian particle tracing method was used to simulate the particle movement in convective diffusion.Firstly,the flow field distribution was given by finite difference method.Secondly,convective diffusion was simulated by particle tracing method.Jet current through centre slit in the static flow and turbulent flow as well as the side discharge of pollutant were simulated as case study.The result shows that the data produced by the particle tracing method is reasonable;and the method is stable.This method can be applied to the calculation of the convective diffusion of pollutant and spread to other problems.
【Fund】: 山西省水利厅科技计划基金项目(编号:2008-9-23)
【CateGory Index】: X502
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