Numerical simulation of solid-liquid turbulent flow in a stirred tank with a two-phase explicit algebraic stress model

被引：28

作者：

Feng, Xin ^{[1
,2
]}

Li, Xiangyang ^{[1
,2
]}

Cheng, Jingcai ^{[1
,2
]}

Yang, Chao ^{[1
,2
]}

Mao, Zai-Sha ^{[1
,2
]}

机构：

[1] Chinese Acad Sci, Inst Proc Engn, Key Lab Green Proc & Engn, Natl Engn Lab Hydromet Cleaner Prod Technol, Beijing 100190, Peoples R China

[2] Jiangsu Marine Resources Dev Res Inst, Lianyungang 222005, Peoples R China

来源：

CHEMICAL ENGINEERING SCIENCE | 2012年 / 82卷

基金：

中国国家自然科学基金; 北京市自然科学基金;

关键词：

Explicit algebraic stress model; Multiphase reactors; Turbulence; Simulation; Solid-liquid system; Hydrodynamics; LARGE-EDDY SIMULATION; VELOCITY CHARACTERISTICS; RUSHTON IMPELLER; CFD SIMULATION; REACTOR; SUSPENSION; DYNAMICS; VESSELS; PROFILES; TRACKING;

D O I：

10.1016/j.ces.2012.07.044

中图分类号：

TQ [化学工业];

学科分类号：

0817 ;

摘要：

A two-phase explicit algebraic stress model (EASM) based on an Eulerian-Eulerian approach is developed to simulate solid-liquid turbulent flow in a stirred tank equipped with a Rushton turbine. Such a model is an extension of the EASM used in our previous work for predicting turbulence in single phase stirred tanks. Quantitative comparisons of the two-phase EASM predictions on velocity components, turbulent quantities and solid concentration are conducted with reported experimental data and other predicted results by k-epsilon models and large eddy simulation (LES) in order to validate our model. The simulation results show that the EASM predictions are in good agreement with experimental data. The two-phase EASM is found to give better predictions than the k-epsilon-A(p) model for two-phase flow, thus possibly an alternative tool for understanding turbulent flows in multiphase stirred tanks. (C) 2012 Elsevier Ltd. All rights reserved.

引用

页码：272 / 284

页数：13

共 42 条

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