DEM-CFD investigation of particle residence time distribution in top-spray fluidised bed granulation

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• 作者：Matthias Bö ; rner^b ; ^{Matthias.Boerner3@Bosch.com} ; Andreas Bü ; ck^a ; Evangelos Tsotsas^a
• 关键词：Fluidised bed ; Top-spray ; Wet granulation ; Overspray ; DEM-CFD ; Similarity models
• 刊名：Chemical Engineering Science
• 出版年：2017
• 出版时间：6 April 2017
• 年：2017
• 卷：161
• 期：Complete
• 页码：187-197
• 全文大小：2360 K
• 卷排序：161

文摘

DEM-CFD simulation of a three phase fluidised bed based on similarity models. Particle residence time distributions are obtained for a top-spray fluidised bed. Deriving overspray ratios from the droplet existing time. Three types of particle wetting mechanisms are identified in the spray zone.