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Field Experiment on Influence of Stack Effect to Pressure Differential System for Smoke Control  

Kim, Jung-Yup (한국건설기술연구원 화재및설비연구센터)
Publication Information
Fire Science and Engineering / v.22, no.3, 2008 , pp. 194-200 More about this Journal
Abstract
In order to design and operate successfully the pressure differential system for smoke control which uses difference of pressure between compartments of building, architectural factors affecting the pressure field of building should be examined and the stack effect is one of the important factors. The field experiments on pressure field in two buildings of 21 stories and 31 stories in summer and winter season with regard to on/off condition of the pressure differential system are carried out to evaluate the influence of stack effect to evacuation and smoke management of high-rise building. In winter season when the stack effect increases, as the pressure differential system starts to operate, the pressure in upper stair rises largely due to the combination effect of the air infiltration from lobby to stair and the stack effect.
Keywords
Pressure differential system; Smoke control; Stack effect; High-rise building;
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  • Reference
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