根据流体力学射流理论，分析了空气幕在综采工作面隔离粉尘的作用，并根据综采工作面应用空气幕隔尘的特点，设计了空气幕。
An air curtain was designed according to the jet theory of fluid mechanics and the role and feature of air curtain to separate dust in a fully mechanized face.
并通过计算机数值模拟及优化，分析了工作面预掘巷受采动影响的作用，确定了合理的工作面预掘巷支护方案与支护参数；
The influence of mining on the advance roadway of working face is analyzed with numerical simulation and the rational advance supporting method and parameters of working face are confirmed.
论述了顶煤介质状态转化对工作面支架的作用，不同强度顶煤在工作面控顶区上方的性态分布和放顶煤线处的垮落特点；
The loading affection on supports in process of transformation. the roof coal behaviour on the face zone and its caving character at cavity edge are expounded.
应用推荐