基于气固两相流理论和气溶胶动力学原理,建立流化床收集器(CFBA)内气体细颗粒聚团气固两相双流体模型.对不同入口气体速度、初始颗粒尺寸分布和不同颗粒团聚形成机理下收集器内颗粒聚团流动的流体动力特性进行数值模拟.研究结果表明湍流运动和剪切作用对颗粒聚团的形成起主要作用,布朗运动对颗粒团聚形成的影响可忽略不计.吸收颗粒可有效提高捕获细颗粒和颗粒聚团形成的能力.
参考文献
| [1] | Kuwagi K.;Horio M. .A numerical study on agglomerate formation in a fluidized bed of fine cohesive particles[J].Chemical Engineering Science,2002(22/23):4737-4744. |
| [2] | D. Mao;J. R. Edwards;A. V. Kuznetsov;R. Srivastava .A model for fine particle agglomeration in circulating fluidized bed absorbers[J].Heat and mass transfer,2002(4/5):379-388. |
| [3] | O. Iordache;Y. Bloise;J. Chaouki;R. Legros .Clusters in circulating Fluidized Beds: Kinetic Theory Approach[J].Chemical Engineering Communications,1995(1):53-71. |
| [4] | Huilin L;Gidaspow D;Bouillard J X .Hydrodynamic Simulation of Gas-Solid Flow in a Riser Using Kinetic Theory of Granular Flow[J].CHEMICAL ENGINEERING JOURNAL,2003,95:1-13. |
| [5] | Andreas Bensberg;Paul Roth;Reinhard Brink;Helmut Lange .Modeling of Particle Evolution in Aerosol Reactors With Coflowing Gaseous Reactants[J].AIChE Journal,1999(10):2097-2107. |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分：
-
10%
-
20%
-
30%
-
40%
-
50%