引射器最优出口断面的理论分析与数值模拟  

Theoretical Analysis and Numerical Simulation of Optimal Outlet Section of Ejector

作　　者：王文才 张志浩 赵晓坤 刘涛涛 WANG Wencai;ZHANG Zhihao;ZHAO Xiaokun;LIU Taotao(Institute of Mining,Inner Mongolia University of Technology,Baotou 014010,China)

机构地区：[1]内蒙古科技大学矿业研究院,内蒙古包头014010

出　　处：《煤矿安全》2018年第7期89-91,95,共4页Safety in Coal Mines

基　　金：国家自然科学基金资助项目(51764044)

摘　　要：为提高无风墙辅助通风机的通风能力,通过对无风墙辅助通风机通风的理论分析,得出引射器最佳出口半径的计算方法,并通过数值模拟进行验证。以巷道风量和增风率作为判断通风效果的指标具有一定的准确性和合理性,并给出了最优出口断面的计算方法以及不同出口断面对辅助通风机通风效果的影响规律。In order to improve the ventilation capacity of the auxiliary fan without wind wall, the calculation method of the optimal outlet radius of the ejector was obtained by the theoretical analysis of the auxiliary fan without wind wall, which is verified by numerical simulation. It has certain accuracy and rationality to judge the ventilation effect by the wind volume and the increase rate of the roadway. This paper introduced the calculation method of the optimal outlet section and summarized the influence of different outlet section on the auxiliary fan ventilation.

关 键 词：矿井通风 辅助通风机 引射器 增风率 数值模拟 

分 类 号：TD441[矿业工程—矿山机电]