技术中心

【英文篇名】 Calculation of the supply air volume in positive pressure ventilation 【作者中文名】 杜红; 【作者英文名】 By Du Hong; 【作者单位】 中国人民武装警察部队学院; 【文献出处】 暖通空调, HV 送风部位; 开门楼层数; 风速; 【英文关键词】 positive pressure ventilation; ventilation position; open-door storey number; airflow velocity; 【摘要】 针对装有正压送风系统的高层建筑，分析了影响正压逆风量分配状况的因素，这些相关因素包括送风部位、同时开门楼层数和开门门洞的风速，提出了以门开启时通过门洞的空气流足以阻挡着火层或有烟层烟气流的水平扩散为基础的正压送风量计算公式。 【英文摘要】 Ana lyzes fsctors infl uenc lug the a ir flow d istri button inpositive pressure venti lation in hishrise but idings,including thevent i l st ion pos it ion, the number of storeys with s imu l taneous l y openeddoors and the al r velocity throush the door. Presents an equation forcaloul atins the supply al r volume,based on the cond ition that the al rflow through the opened door can be strong enough to prevent smokefrom spread iug from burn ing and smoki ng storeys.