基于FDS的某地下车库防排烟系统优化

摘要

通过定量计算分析选择某地下车库最不利防烟分区和典型火灾场景,采用FDS验证排烟口数量及位置等设置方式和排烟量变化对排烟效果的影响,通过计算排烟口等效面积参数,从经济性角度优化设计防排烟系统,并强调水喷淋系统的重要性.%Based on the quantitative analysis of an underground garage, the most unfavorable smoke compartments and typical fire scenarios were selected. The efficiency of smoke exhaust was analyzed in different smoke vent layout modes by FDS. By calculating the equivalent area parameters of smoke vent, the smoke exhaust system were optimized from an economic point of view, and the importance of sprinkler system were emphasized.