Beginning with the prescribed wake model, a SemiEmpirical Correction for the vortex core effect on rotor wake is made and free wake calculation is carried out.
首先从预定的广义尾流入手，并引入尖涡涡核作用的半经验修正，对旋翼的自由尾流进行计算分析。
2
There are three kinds of mathematical models for describing the process i. e. the empirical, the semi-empirical and the theoretical models.
目前主要有三种模型用来描述谷物的干燥过程，即经验模型、半经验模型和理论模型。
3
This paper mainly researches on the semi-empirical model of municipal solid waste treatment.