采用双流体模型耦合界面浓度输运方程,对竖直上升管内泡状流进行了三维模拟.结合Wang(1987)的泡状流测量实验,研究了不同壁面润滑力作用下管道界面含气率的分布特征.通过实验测量结果与各种壁面润滑力模型计算结果的对比,分析了各种模型对含气率分布的影响.结果表明,Tomiyama及Frank的模型具有相似的特性,高估了壁面润滑力的大小.而Antal的模型作用范围过于狭小,对气泡分布的峰值的预测偏差很大.Hosokawa的模型则较好地预测了本文工况含气率的分布.
参考文献
| [1] | Wu Q.;Ishii M.;Beus SG.;Kim S. .One-group interfacial area transport in vertical bubbly flow[J].International Journal of Heat and Mass Transfer,1998(8/9):1103-1112. |
| [2] | M. Ishii;S. Kim;J. Uhle .Interfacial area transport equation: model development and benchmark experiments[J].International Journal of Heat and Mass Transfer,2002(15):3111-3123. |
| [3] | Takashi Hibiki;Mamoru Ishii .Development of one-group interfacial area transport equation in bubbly flow systems[J].International Journal of Heat and Mass Transfer,2002(11):2351-2372. |
| [4] | Wei Yao;Christophe Morel .Volumetric interfacial area prediction in upward bubbly two-phase flow[J].International Journal of Heat and Mass Transfer,2004(2):307-328. |
| [5] | Wang, X.;Sun, X. .Three-dimensional simulations of air-water bubbly flows[J].International Journal of Multiphase Flow,2010(11/12):882-890. |
| [6] | Shigeo HOSOKAWA;Akio TOMIYAMA .Lateral Force Acting on a Deformed Single Bubble due to the Presence of Wall[J].日本機械学会論文集. B編,2003(686):2214-2220. |
| [7] | Th. Frank;P.J. Zwart;E. Krepper;H.-M. Prasser;D. Lucas .Validation of CFD models for mono- and polydisperse air-water two-phase flows in pipes[J].Nuclear engineering and design,2008(3):647-659. |
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%