楼梯间及其前室机械加压送风量计算方法分析

楼梯间及其前室机械加压送风量计算方法分析
华东建筑设计研究院 方伟 杨国荣 任兵
摘要 高层建筑防烟楼梯间及其前室、合用前室和消防电梯前室的机械加压送风量的计算方法多种多样，本文结合实例对国家规范计算方法和上海规程计算方法进行分析比较，并提出了自己的看法。
关键词 机械加压送风量 压差法 门洞风速法

Analysis of Calculation Methods About Pressurization Air Supply System
at Staircase and its Anteroom
By Fang Wei, Yang Guorong, Ren Bing
East China Architectural Design & Research Institute
Abstract There are many kinds of calculation methods about mechanical pressurization air supply system at staircase, the anterooms of staircase, and the emergency elevator in tall building. This article presents the analysis and compare between the calculation methods of China code and Shanghai code with an example, and provides the authors’ opinion.
Keywords pressurization air supply system, method of pressure difference,
method of air velocity at the door