In Numerical simulation of the plug discharge under aerated condition

摘要：

In Fluent, 3-D RNG e - k mathematical model of water and air mixtures is employed to compute plug discharge under aerated condition. When flow enters the plug section, the gradient of air volume fraction increases much and varies drastically, and cavitation number decreases sharply and soon reaches the minimum. When flow enters the sudden expansion, air volume fraction and cavitation number increases respectively. With the increase of sudden expansion length, air volume fraction appears large at the top and small at the bottom and cavitation number increases to recover eventually. Cavitation number increases with the increase of air volume fraction.

关键词： plug discharge Fluent air volume fraction cavitation number

作者: Ze-gao Yin Xian-wei Cao Jin-xiong Zhang Hong-da Shi

作者单位: Ocean engineering key laboratory of Shandong province,Ocean University of China Qingdao,China Department of Hydraulics,China Institute of Water Resources and Hydropower Research Beijing,China

会议类型: 国际会议

会议名称: 9th International Conference on Hydrodynamics(第九届国际水动力学会议 ICHD2010)

会议地点: 上海

会议语种:英文

页码: 620-624

在线出版日期: 2010-10-11（万方平台首次上网日期，不代表论文的发表时间）