CFD SIMULATION OF DISCHARGER RELYING ON WAKE TURBULANCE IN THE HIGH CONSISTENCY BLEACHING TOWER

摘要：

In this work, the pulp flow behavior for the dilution-zone of two rotary dischargers, i.e., S-type and straight–type discharger, were simulated by computational fluid dynamics (CFD). The time-accurate transient simulations of two rotary dischargers were based on the standard k-ε turbulence model in conjunction with the granular Eulerian multiphase model and moving reference frame (MRF) technique in FLUENT. The results showed that the S-type discharger was better than the straight one in pulp discharging. The comparison results of the experiment data measured by PIV and CFD simulations showed that Eulerian and standard k-ε turbulence models could provide a better description for the pulp flow patterns in the dilution-zone.

关键词： computational fluid dynamics discharger simulation Eulerian multiphase model

作者: Chen Kefu Zeng Jinsong Li Jun

作者单位: State Key Laboratory of Pulp and Paper Engineering,South China University of Technology, Guangzhou,510640, China

会议类型: 国际会议

会议名称: 4th ISETPP(第四届制浆造纸新技术国际研讨会)

会议地点: 广州

会议语种:英文

页码: 458-461

在线出版日期: 2010-11-08（万方平台首次上网日期，不代表论文的发表时间）