Euler-Lagrange CFD modelling of unconfined gas mixing in anaerobic digestion

被引：65
|
作者：
Dapelo, Davide [1 ]
Alberini, Federico [2 ]
Bridgeman, John [1 ]
机构：
[1] Univ Birmingham, Sch Civil Engn, Birmingham B15 2TT, W Midlands, England
[2] Univ Birmingham, Sch Chem Engn, Birmingham B15 2TT, W Midlands, England
来源：
WATER RESEARCH | 2015年 / 85卷
关键词：
CFD; Euler-Lagrangian; Anaerobic digestion; Non-Newtonian fluid; Gas mixing; PIV; MUNICIPAL SOLID-WASTE; FLOW; CODIGESTION; SIMULATION; BIOSOLIDS; BUBBLES; SLUDGE;
D O I：
10.1016/j.watres.2015.08.042
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
A novel Euler-Lagrangian (EL) computational fluid dynamics (CFD) finite volume-based model to simulate the gas mixing of sludge for anaerobic digestion is developed and described. Fluid motion is driven by momentum transfer from bubbles to liquid. Model validation is undertaken by assessing the flow field in a labscale model with particle image velocimetry (Ply). Conclusions are drawn about the upscaling and applicability of the model to full-scale problems, and recommendations are given for optimum application. (C) 2015 Elsevier Ltd. All rights reserved.
引用
收藏
页码：497 / 511
页数：15
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