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Numerical simulation of micromixing effect on the reactive flow in a co-rotating twin screw extruder
【文件类型】 【消费金额】3.6 【文章页数】12 【会员操作】  
【文章作者】Hao Tang;Yuan Zong;Ling Zhao;
【文章摘要】      To control the multicomponent reactions in extrusion, reactive-mixing flow in a co-rotating twin screw extruder was numerically studied in the present paper. Effects of initial species distribution, rotating speed and flow rate on a competitive-parallel reaction were investigated and the relationship between mixing and reactions was discussed from the view of chemical reaction engineering. The simulation results show the studied operational parameters, which determine residence time distribution, earliness of mixing and segregation degree of reactive-mixing flows, affect the local species concentration and reaction time and hence have significant influences on the reaction extent. Orthogonal test was adopted to clarify the significance of operational parameters.The analysis shows that initial species distribution and flow rate are the most important factors in the control of reaction extent, and effect of rotating speed is conditional depending on the micro-mixing status of the fluid.
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【期刊】Chinese Journal of Chemical Engineering【卷】【ISSUE】【ISSUEID】    【文章期份】2016    【发布日期】2017/2/18 0:00:00    点击率:1    打印    关闭
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