本文提出了定量评价稠密两相流动中颗粒聚集现象的参数和方法:用碰撞频率的大小估计颗粒聚集的强弱;用颗粒体积分数的标准偏差评价流场中颗粒分布的不均匀程度;用颗粒分布的相关系数衡量流动的相似性;用颗粒体积分数的概率分布和颗粒分布曲线描述流场细节;用高密集区域颗粒数目比例和稀疏区域面积比例来反映流场的特征部分.
参考文献
| [1] | Helland Eivind .Numerical study of cluster formation in a gas-particle circulating fluidized bed[J].Powder Technology,2000(3):210-221. |
| [2] | Tsuji Y;Tanaka T;Yonemura S .Cluster Patterns in Circulating Fluidized Beds Predicted by Numerical Simulation (Discrete Particle Model Versus Two-Fluid Model)[J].Powder Technology,1998,95(03):254-264. |
| [3] | Tanaka T;Yonemura S;Tsuji Y .Effects of Particle Properties on the Structure of Clusters[Z].ASME/FED,1995,228:297-302. |
| [4] | Gonzalez RC;Wintz P.Digital Image Processing[M].Massachusetts:Addison-Wesley Publishing Company,1987:425-427. |
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%