3 dimensional hydrodynamic analysis of concentric draft tube airlift reactors with different tube diameters

被引:14
作者
Moradi, S. [1 ]
Rajabi, Z. [1 ]
Mohammadi, M. [1 ]
Salimi, M. [2 ]
Homami, S. S. [3 ]
Seydei, M. K. [3 ]
Shirazian, Saeed [3 ]
机构
[1] Arak Univ, Dept Chem Engn, Fac Engn, Arak, Iran
[2] Islamic Azad Univ, Dept Chem Engn, Arak Branch, Arak, Iran
[3] Islamic Azad Univ, S Tehran Branch, Dept Appl Chem, Fac Sci, Tehran, Iran
关键词
Airlift reactor; CFD; Gas hold-up; Superficial gas velocity; Liquid velocity; MASS-TRANSFER SIMULATION; MEMBRANE CONTACTORS; EXTRACTION; SEPARATION; TRANSPORT; CFD;
D O I
10.1016/j.mcm.2012.10.021
中图分类号
TP39 [计算机的应用];
学科分类号
081203 ; 0835 ;
摘要
The CFD simulation for concentric draft tube airlift reactors with 3D analysis is developed in this study. The simulations were conducted for reactors considering two-phase flow. Simulation of two reactors of different sizes and tube diameters is presented here for investigating the effect of tube diameter in gas hold-up and velocities. The data which is obtained from the simulation is compared with the experimental data to determine the gas hold-up. The comparison between gas hold-up and superficial gas velocity was made and the velocities were set between 0.018 and 0.108. (C) 2012 Elsevier Ltd. All rights reserved.
引用
收藏
页码:1184 / 1189
页数:6
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