Numerical simulation of smoke exhausts function of roof vent in compartment fires

摘要：

The influence of roof vent area and fire source area on smoke exhaust function of roof vent is provided in this paper. Numerical simulation results show that the temperature of hot smoke layer increases with the increases of heat release rate and decreases as the roof vent area increases. For the evaluation criterion with temperature difference, with the increase in roof vent area and fire source area, the smoke exhausts function of roof vent was enhanced. But for the evaluation criterion with efficiency of smoke exhaust, the smoke exhaust efficiency increases as the roof vent area increase and decreases with the increases of fire source area.

关键词： Compartment fire roof vent smoke exhaust numerical simulation

作者: Jinmei Li Qiang Li Jiaqing Zhang Changhai Li

作者单位: Department of Fire Engineering, Chinese Peoples Armed Police Academy, Langfang, China Department of Fire Engineering, Chinese Peoples Armed Police Academy, Langfang, China State Key Lab State Key Laboratory of Fire Science, University of Science and Technology of China, Hefei, China

会议类型: 国际会议

会议名称: 2012 International Conference on Industiial Design and Mechanical Power(2012工业设计与机械动力国际会议 ICIDMP 2012)

会议地点: 黄山

会议语种:英文

页码: 418-421

在线出版日期: 2012-07-10（万方平台首次上网日期，不代表论文的发表时间）