Accoding to the contradiction between the demand and supply of mine ventilation in No.11 mine of Pingdingshan,the paper had a computer simulation analysis on the mine ventilation system status.

• 针对十一矿供需风之间的矛盾问题,对矿井通风系统现状进行了计算机模拟分析,并对主要通风机供风能力进行了现场试验。