LES-Lagrangian modelling on gasification of combustible solid waste in a spouted bed

被引：13
|
作者：
Xie, Jun [1 ]
Zhong, Wenqi [1 ]
Jin, Baosheng [1 ]
机构：
[1] Southeast Univ, Sch Energy & Environm, Key Lab Energy Thermal Convers & Control, Minist Educ, Nanjing 210096, Jiangsu, Peoples R China
来源：
CANADIAN JOURNAL OF CHEMICAL ENGINEERING | 2014年 / 92卷 / 07期
关键词：
combustible solid waste; gasification; spouted bed; LES-Lagrangian; gas-solid flow; BUBBLING FLUIDIZED-BED; BIOMASS GASIFICATION; FRICTIONAL STRESS; COAL-GASIFICATION; SIMULATION; FLOW; GAS; HYDRODYNAMICS; TEMPERATURE; REACTOR;
D O I：
10.1002/cjce.21941
中图分类号：
TQ [化学工业];
学科分类号：
0817 ;
摘要：
A three-dimensional numerical model is developed to simulate gasification of combustible solid waste in a spouted bed. Both complex gas-solid flow and chemical reactions are considered. The particle motion is modelled by the Lagrangian method and the gas motion by the large eddy simulation (LES) turbulent model. Calculations were carried out in a cylindrical spouted bed with a diameter of 160mm, a height of 900mm, and a conical base of 60 degrees. Effects of equivalence ratio (ER) on product gas compositions were investigated. The flow patterns, profiles of temperatures and gas compositions in the reactor were also discussed.
引用
收藏
页码：1325 / 1333
页数：9
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