基于气固两相流体动力学理论,建立气体纳米颗粒团聚物两相流动双流体模型.模型中采用了Jung & Gidaspow (2002)测量的固相应力模量和王垚等(2001)提出的聚团曳力系数计算模型.对纳米颗粒团聚物的流化过程进行了数值模拟,得到纳米颗粒团聚物的流化特性.模拟得出的床层膨胀比与文献中实验的结果较为接近.
参考文献
[1] | 吕雪松;李洪钟 .横向旋转磁场作用下粘性颗粒流态化质量的改善[J].化工学报,2000,51(01):223-226. |
[2] | Wank J R;George S M;Weimer A W .Vibro-Fluidization of Fine Boron Nitride Powder at Low Pressure[J].Powder Technology,2001,121(02):195-204. |
[3] | 王垚,金涌,魏飞,骆添.纳米级SiO2聚团散式流化中聚团参数及曳力系数[J].清华大学学报(自然科学版),2001(4-5):32-35. |
[4] | Jung J;Gidaspow D.Fluidization of Nano-Size Particles[J].Journal of Nanoparticle Research,2002:483497. |
[5] | Gidaspow D.Multiphase Flow and Fluidization: Continuum and Kinetic Theory Description[M].San Diego:Academic Press,1994:129-192. |
[6] | Lu Huilin;Dimitri Gidaspow .Hydrodynamic Simulations of Gas-Solid Flow in a Riser[J].Industrial & Engineering Chemistry Research,2003(11):2390-2398. |
[7] | Abrahamens A R;Geldart D .Behavior of Gas Fluidized Beds of Fine Powders[J].Powder Technology,1980,26(01):35-42. |
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%