期刊
CHEMICAL ENGINEERING RESEARCH & DESIGN
卷 87, 期 4A, 页码 460-467出版社
INST CHEMICAL ENGINEERS
DOI: 10.1016/j.cherd.2008.12.006
关键词
CFD; Homogenisation; Stirred tank; Gas-liquid; Mixing time
In this work, simulations of liquid homogenisation were performed for a two-phase gas-liquid stirred tank using computational fluid dynamics (CFD). The predictions were compared with experimental results obtained in a baffled cylindrical vessel stirred by a pitched-blade impeller with constant impeller speed for various volumetric gas flow rates. The CFD simulations were performed in 3D using the FLUENT 6.3 numerical software. The influence of different techniques for simulation of impeller motion (the multiple reference frames and sliding mesh models) on predictions of gas-liquid flow field and tracer distribution was investigated. For the solution, a simplified numerical setup of mono-dispersed bubbles and the k-epsilon mixture turbulence model have been applied. Despite the assumed simplifications, the numerical predictions exhibit a good agreement with the experimental data. Crown Copyright (C) 2008 Published by Elsevier B.V. on behalf of The Institution of Chemical Engineers. All rights reserved.
作者
我是这篇论文的作者
点击您的名字以认领此论文并将其添加到您的个人资料中。
推荐
暂无数据