机械
湍流
气泡
阻力
计算流体力学
Lift(数据挖掘)
湍流动能
多相流
人口
流量(数学)
热力学
材料科学
物理
数据挖掘
社会学
人口学
计算机科学
作者
Hong-Wei Liang,Wenling Li,Zi-Sheng Feng,Jianming Chen,Guang‐Wen Chu,Yang Xiang
标识
DOI:10.1016/j.cjche.2022.11.001
摘要
In this paper, an improved computational fluid dynamic (CFD) model for gas–liquid flow in bubble column was developed using the one-equation Wary–Agarwal (WA) turbulence model coupled with the population balance model (PBM). Through 18 orthogonal test cases, the optimal combination of interfacial force models, including drag force, lift force, turbulent dispersion force. The modified wall lubrication force model was proposed to improve the predictive ability for hydrodynamic behavior near the wall of the bubble column. The values simulated by optimized CFD model were in agreement with experimental data, and the errors were within ± 20%. In addition, the axial velocity, turbulent kinetic energy, bubble size distribution, and the dynamic characteristic of bubble plume were analyzed at different superficial gas velocities. This research work could provide a theoretical basis for the extension of the CFD–PBM coupled model to other multiphase reactors..
科研通智能强力驱动
Strongly Powered by AbleSci AI