单体型高大空间建筑的自然排烟设计
Design of natural smoke exhausting for single large space buildings
摘要：
指出自然排烟方式在高大空间建筑内应用的优势，分析了烟气在单体型大空间建筑内的蔓延规律，以及自然排烟设计时关键参数的确定方法，包括火灾规模、烟气上升高度、排烟量与排烟口面积计算、模拟中的网格设置等。结合工程案例，对自然排烟设计时的参数设置进行了详细说明。
关键词：性能化防火设计,自然排烟,单体型高大空间,关键参数,设计
Abstract：
Points out the superiority of natural smoke exhausting applied to single large space buildings. Analyses the spread pattern of smoke in the buildings and the determining method of key parameters for natural smoke exhausting design, including fire hazard scale, smoke rising height, calculation of exhausting amount and exhausting opening, grid setting in simulation, etc. Combining with a project case, explains in detail the parameters setting in natural smoke exhausting design.
Keywords:performance-based fire protection design, natural smoke exhausting, single large space building, key parameter, design