摘要
以湍流脉动分量服从正态分布的假设为基础，导出湍流对分级效率影响的数学方程。方程数值解表明，湍流度越大对分级效率的影响越大，湍流对所有粒径的颗粒都有影响，但不会导致“鱼钩效应”的产生。
This paper assumes that the pulsation speed of turbulent flow subjects to normal distribution, and thus develops the formula of clapeifyirig efficiency under influence of turbulence.The numerical value solution shows that the bigger turbulent degree leads the greater influence on efficiency, and this kind of influence is valid for powders of all sizes, but is not the origin of 'fish -hook, effect'.
关键词
湍流
气流分级
效率
正态分布
粉碎
turbulent flow
air classification
classifying efficiency
normal distribution
