Abstract
In the selection of smoke control system, the Technical standard for smoke management systems in buildings (GB51251-2017), Article 3.1.1, paragraph 2, makes strict requirements for the setting of mechanical pressurized air supply outlets in anterooms, in order to study the influence of different setting methods of supply outlets on the smoke control effect of anterooms, the wind speed of the anteroom doorway section and the smoke flow in the anteroom are researched for different settings of the location of outlet and air supply angle with the help of Pyrosim. The results show that the effect of anteroom smoke control is not only related to the wind speed of the doorway section, but also related to the air velocity distribution at each point of the doorway section; at the same time, the air supply angle also has some influence on it.
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