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高密度循环流化床中局部颗粒质量流率及操作域的划分
被引：10
作者：
魏飞
陆坊斌
金涌
俞芷青
机构：
[1] 清华大学化学工程系!北京l
来源：
关键词：
颗粒质量流率;
循环流化床;
操作区域;
D O I：
暂无
中图分类号：
TQ02 [化工过程（物理过程及物理化学过程）];
学科分类号：
081701 ;
081704 ;
摘要：
Results of experimental measurement of solids mass flux profiles in a high density circulating fluidized bed riser over a wide operating condition are described.The existence of three solids flux radial profile regimes:core-annular,parabolic and U-shaped is found.A model for all the three regimes is proposed and correlations of model parameters are obtained.Comparison of predicted solids flux profiles with experimental data is very promising.The correlations for the boundaries of the three regimes and the radius of core for core-annular regime are obtained.
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页码：346 / 351
页数：6
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