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Investigation of solids segregation of binary mixtures in a rotating drum at various Froude numbers

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【Author】 HE Yu-rong1,MEN Yu-bin2,LIU Yuan-chun1,LIU Wen-tie1,DING Yu-long3(1.School of Energy Science & Engineering,Harbin Institute of Technology,Harbin 150001,China;2.Shenyang Aeroengine Research Institute,Aviation Industry Corporation of China,Shenyang 110015,China;3.Institute of Particle Science & Engineering,University of Leeds,Leeds LS2 9JT,UK)

【机构】 School of Energy Science & Engineering,Harbin Institute of Technology； Shenyang Aeroengine Research Institute,Aviation Industry Corporation of China；

【摘要】 To investigate the effect of the Froude number(Fr)on solid segregation in a rotating drum,a two dimensional mathematical modelling on solids behaviour in horizontally oriented rotating drums operated in rolling,cascading and cataracting modes has been carried out by using Euler-Euler multi-fluid model in Fluent6.2 environment.Small particles and big particles are used in the work as binary mixtures to investigate segregation characteristics.The effect of Froude number(rotating velocity)on the flow field is investigated.It is found that the model captures the main features of solids motion and segregation in the drum and numerical results agree well with limited experimental data for solid velocity.更多还原

【Abstract】 To investigate the effect of the Froude number(Fr)on solid segregation in a rotating drum,a two dimensional mathematical modelling on solids behaviour in horizontally oriented rotating drums operated in rolling,cascading and cataracting modes has been carried out by using Euler-Euler multi-fluid model in Fluent6.2 environment.Small particles and big particles are used in the work as binary mixtures to investigate segregation characteristics.The effect of Froude number(rotating velocity)on the flow field is investigated.It is found that the model captures the main features of solids motion and segregation in the drum and numerical results agree well with limited experimental data for solid velocity.更多还原

【关键词】 Solids segregation； binary mixture； rotating drum； Froude number； numerical simulation；
【Key words】 Solids segregation； binary mixture； rotating drum； Froude number； numerical simulation；

【基金】 Sponsored by the National Natural Science Foundation of China(Grant No.20606006);China Postdoctoral Science Foundation Funded Project;the Scientific Research Foundation for the Returned Overseas Chinese Sochlars,State Education Ministry

【文献出处】 Journal of Harbin Institute of Technology ,哈尔滨工业大学学报(英文版) , 编辑部邮箱 ,2010年05期

【分类号】O359
【下载频次】40

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