摘要
基于利用控制容积法求解Reynolds时均的N-S方程、κ-ε湍流模型和Lagrange方法等模型,分析了空心静叶栅内部的二维湿蒸汽汽液两相流场和不同粒径的水滴沉积规律、沉积位置,同时在沉积位置开2种宽度、3个方向和不同数量的缝隙分别分析了抽吸和吹除两种方法对叶栅通道流场的影响以及去湿效果。
Based on the time-averaged Reynolds N-S equations solved by using the control volume method, κ-ε turbulent mode and Lagrange approach and so on, 2D wet steam two-phase flow and the movement rule and deposition position of droplets in hollow cascade are analyzed. When the apertures with different widths, different directions and different quantities are opened, the effects on the inner flow field in the cascade passage and the removal water performances are investigated.
出处
《汽轮机技术》
北大核心
2004年第2期113-115,141,共4页
Turbine Technology
关键词
空心静叶栅
水滴沉积
两相流
边界层
hollow cascade
droplet deposition
two-phase flow
boundary layer
