叶片间距的减小使颗粒与叶片的碰撞次数增多；
Narrow blade space causes more collision between particles and the wall.
并从其流场分布特点的角度分析了叶片间距、遮盖度对气流流动及气固分离的影响。
From the viewpoint of the flow field distribution features an analysis is conducted of the effect of blade spacing and cover ratio on air flow and gas solid separation.
本实验选取航空发动机涡轮叶片中段内部冷却通道为研究对象，对不同肋间距的横肋变截面U型通道的换热特性进行了研究。
The experiment has studied the heat transfer characteristic inside U shaped variable cross-section channels with different rib pitches, The channel is the middle part of a gas turbine blade.
应用推荐