Through the usage of simulation software based on the network layout,airway resistances and parameters of main fans,ventilation calculations were performed to ana- lyse the current situation as a ventilation wall buil...Through the usage of simulation software based on the network layout,airway resistances and parameters of main fans,ventilation calculations were performed to ana- lyse the current situation as a ventilation wall built in No.1 west airway to separate the two subsystems.A comparison of simulation results and in-site measurements show that the maximum deviation is less than 10%.Further calculations for the case that the ventilation wall in No.1 west airway is removed to consider the consequences when the two sub- systems are merged together.Results of the simulation show that the total airflow rate in- creases,and the ventilation resistance of the mine decreases in comparing with that of the foregoing simulation.展开更多
文摘Through the usage of simulation software based on the network layout,airway resistances and parameters of main fans,ventilation calculations were performed to ana- lyse the current situation as a ventilation wall built in No.1 west airway to separate the two subsystems.A comparison of simulation results and in-site measurements show that the maximum deviation is less than 10%.Further calculations for the case that the ventilation wall in No.1 west airway is removed to consider the consequences when the two sub- systems are merged together.Results of the simulation show that the total airflow rate in- creases,and the ventilation resistance of the mine decreases in comparing with that of the foregoing simulation.
