Hydrodynamic Studies in Slurry Bubble Columns: Experimental and Numerical Study

被引：9
|
作者：
Rabha, Swapna [1 ]
Schubert, Markus [1 ]
Hampel, Uwe [1 ,2 ]
机构：
[1] Helmholtz Zentrum Dresden Rossendorf, Inst Fluid Dynam, D-01314 Dresden, Germany
[2] Tech Univ Dresden, AREVA Endowed Chair Imaging Techn Energy & Proc E, D-01062 Dresden, Germany
来源：
CHEMIE INGENIEUR TECHNIK | 2013年 / 85卷 / 07期
关键词：
Euler-Euler modeling; Slurry bubble column; Solid concentration; Ultrafast electron beam X-ray tomography; LIQUID-SOLID SUSPENSIONS; GAS HOLDUP; HEAT-TRANSFER; MASS-TRANSFER; FLOW; REACTORS; SIZE; TOMOGRAPHY; PARTICLES; 2-PHASE;
D O I：
10.1002/cite.201200227
中图分类号：
TQ [化学工业];
学科分类号：
0817 ;
摘要：
To overcome the current difficulties in designing a slurry bubble column (SBC) reactor with respect to the effect of particle properties, the influence of solid concentration (Cs) on the hydrodynamics of a SBC was studied experimentally using ultrafast electron beam X-ray tomography. The real time gas flow structure, average bubble diameter and average gas holdup as a function of the superficial gas velocity and Cs have been reported. Corresponding three-phase simulations were also performed using the Euler-Euler multi-fluid model implemented in CFX 14. The bubble size distribution was calculated using the MUSIG model. The predicted gas holdup and bubble size distribution also show dependence on UG and Cs and agree well with the measurements.
引用
收藏
页码：1092 / 1098
页数：7
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