Assessment of polydisperse drag models for the size segregation in a bubbling fluidized bed using discrete particle method

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• 作者：Yong Zhang^a ; ^b ; Yuemin Zhao^a ; Liqiang Lu^b ; Wei Ge^b ; ^c ; Junwu Wang^b ; ^{jwwang@ipe.ac.cn} ; Chenlong Duan^a ; ^{clduan@cumt.edu.cn}
• 关键词：Drag force model ; Fluidization ; Gas-solid flow ; Multiphase flow ; CFD-DEM method
• 刊名：Chemical Engineering Science
• 出版年：2017
• 出版时间：16 March 2017
• 年：2017
• 卷：160
• 期：Complete
• 页码：106-112
• 全文大小：1079 K
• 卷排序：160

文摘

A parallel CFD-DEM method was used to simulate a binary gas-solid system. The effects of polydisperse drag models on the size segregation were studied. Two dominant bubble frequencies were found in the binary gas-solid system.