The Application Time of Positive Pressure Supply-air Ventilator in Underground Garage Fire
The difficulty to exhaust the fire smoke in the internal space of the underground garage determined by its special structure brings inconvenience to the firefighting and evacuation. Using FDS the author simulated the smoke spread in underground garage fire and the operating effect of positive pressure ventilator to study the best application time of the fan in similar structure and provide technical reference for the fire fighters to carry out the smoke control on such fire ground.