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圆锥形气固喷动床内数值模拟与实验的比较(英文)
【文件类型】 【消费金额】2.4 【文章页数】8 【会员操作】  
【文章作者】王淑彦;邵宝力;刘锐;赵健;刘扬;刘义坤;杨树人;
【文章摘要】      Flow behavior of gas and particles in conical spouted beds is experimentally studied and simulated using the twofluid gas-solid model with the kinetic theory of granular flow.The bed pressure drop and fountain height are measured in a conical spouted bed of 100 mm I.D.at different gas velocities.The simulation results are compared with measurements of bed pressure drop and fountain height.The comparison shows that the drag coefficient model used in cylindrical beds under-predicted bed pressure drop and fountain height in conical spouted beds due to the partial weight of particles supported by the inclined side walls.It is found that the numerical results using the drag coefficient model proposed based on the conical spouted bed in this study are in good agreement with experimental data.The present study provides a useful basis for further works on the CFD simulation of conical spouted bed.
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【期刊】Chinese Journal of Chemical Engineering【卷】【ISSUE】【ISSUEID】    【文章期份】2015    【发布日期】2016/1/8 0:00:00    点击率:1    打印    关闭
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