Ventilation for Basement and Selection of Exhanst Fan

Based on the particularities for basement ventilation,and technological and economical considerations,this paper suggests a ventilating system as a substitution for traditional ones,in which the ordinary smore exhaust system is oembined with the one for fire disaster At the same time,it uses the weight balance approach for the calculation of air exhausting quantity,furthermore analyses the arrangement of ventilating devices,such as exhaust fan etc