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.              .     2    ,       ,          ,          . ,     , 2               .ABSTRACTVestibule pressurization system should produce uniform air egress velocity to prevent the intrusion of smoke intoescape route when fire accidents occur inside a building and fire doors are open for evacuation of people. Air supplyingunits in the vestibule need to be arranged by taking account of the location of doors and the volume of the vestibule. Inthis study, computational fluid dynamics (CFD) simulations were conducted for the vestibule where two doors areinstalled varying the location of a damper and louver angle. From simulations, we found that when the damper in the ves-tibule is located at the center of the wall opposite to two fire doors, the uniform air egress velocity can be obtained.Keywords : Pressurization system, Vestibule, CFD, Smoke control, Damper

hanguk hwajae sobang hakoe nonmunji/han'gug hwajae so'bang haghoe nonmunji

Numerical Study on Air Egress Velocity in Vestibule Pressurization System : Damper Locationfor Uniform Air Egress Velocity in the case of Two Fire Doors