技术中心

非规则大空间内烟气填充的研究【英文篇名】 Smoke filling process in an irregular large space 【作者中文名】 李炎锋; 邹高万; 孙萍; 王雪竹; 贾衡; 【作者英文名】 By Li Yanfeng ★; Zou Gaowan; Sun Ping; Wang Xuezhu and Jia Heng★Beijing University of Technology; Beijing; China; 【作者单位】 北京工业大学; 哈尔滨工程大学; 【文献出处】 暖通空调, Hv 烟气; 场模型; 速度; 温度; 【英文关键词】 large space; smoke; field model; velocity; temperature; 【摘要】 采用场模型和贴体坐标技术对某机场候机大厅的烟气填充情况进行了研究。研究结果表明 ,烟气下降到对人逃生有害的高度需要相当长的时间 ,随着火源强度的增加 ,顶棚射流速度和烟气温度增加 ,烟气层底面高度下降 【英文摘要】 Studies the smoke filling in an airport terminal hall with field model and body fitted coordinate technology. The results show that it takes a relatively long time for smoke to reach the height which is necessary for evacuation, and with the increasing of the heat releasing rate of fire, the velocity of ceiling jet and smoke temperature increases and the height of smoke layer decreases.