antechamber

Calculation of pressurization supply air rate for staircase and its antechamber;

楼梯间及其前室正压送风系统送风量的计算

Aiming at some provisions in the code of design on building fire protection and prevention,analysed smoke preventing setting of smoke preventing staircase and antechamber,calculation of antechamber pressurizing air supply volume and design of smoke extraction,and gave the author′s personal opinions.

就《建筑设计防火规范》中的一些防排烟相关规定,如防烟楼梯间及前室的防烟设计、前室正压送风量计算、排烟设计等问题进行了分析,并提出了个人见解。

Presents field tests of pressurization air supply systems of stairwell, antechamber and common antechamber for a tall building in Harbin.

介绍了哈尔滨市一座高层建筑楼梯间及其前室、合用前室的加压送风系统的试验情况。

This paper analyzes in detail the design of anti-smoke stair-half,natural smoke exhaust windows in atria and combined atria of high-rise civil buildings,and puts forward some modus operandi.

对高层民用建筑防烟楼梯间、前室及合用前室自然排烟窗的设计,进行了详细地分析,并提出了一些具体做法。

Aiming at different style of smoke control-stair wells and atria of high-rise buildings, the number of floors with their escape doors open, the model of air supply inlets and proper positive pressure of the pressurization at air supply system were analyzed.

针对高层建筑防烟楼梯间和前室的不同组成,分析了影响其防烟设计的门的开启层数、数量,加压送风口的形式及加压部位正压值等诸多因素,提出了不同形式时加压送风风量的计算方法,在实际工程中可根据不同的情况使用。

Based on analyzing development of the vestibule’s smoke control methods and mathematics principle.

本文在系统、全面地分析高层建筑前室烟气控制方式研究现状、网络模型和场模型的基础上,采用数值模拟方法研究高层建筑加压系统启动后气流运动规律及烟气控制效果。