Decision analysis of emergency ventilation and evacuation strategies against suddenly released contaminant indoors by considering the uncertainty of source locations

被引:11
作者
Cai, Hao [1 ,2 ]
Long, Weiding [3 ]
Li, Xianting [1 ]
Kong, Lingjuan [2 ,4 ]
Xiong, Shuang [1 ]
机构
[1] Tsinghua Univ, Sch Architecture, Dept Bldg Sci, Beijing 100084, Peoples R China
[2] PLA Univ Sci & Technol, Engn Inst Engn Corps, Nanjing 210007, Peoples R China
[3] Tongji Univ, Sino German Coll Appl Sci, Shanghai 201804, Peoples R China
[4] PLA Artillery Inst, Nanjing Branch Campus, Nanjing 211132, Peoples R China
基金
中国博士后科学基金; 中国国家自然科学基金;
关键词
Emergency ventilation; Decision analysis; Computational fluid dynamics (CFD); Evacuation model; Efficiency factor of contaminant source (EFCS); OCCUPANT DISTRIBUTION; MODEL; RISK; IDENTIFICATION; ACCESSIBILITY;
D O I
10.1016/j.jhazmat.2010.01.049
中图分类号
X [环境科学、安全科学];
学科分类号
08 ; 0830 ;
摘要
In case hazardous contaminants are suddenly released indoors, the prompt and proper emergency responses are critical to protect occupants. This paper aims to provide a framework for determining the optimal combination of ventilation and evacuation strategies by considering the uncertainty of source locations. The certainty of source locations is classified as complete certainty, incomplete certainty, and complete uncertainty to cover all the possible situations. According to this classification, three types of decision analysis models are presented. A new concept, efficiency factor of contaminant source (EFCS), is incorporated in these models to evaluate the payoffs of the ventilation and evacuation strategies. A procedure of decision-making based on these models is proposed and demonstrated by numerical studies of one hundred scenarios with ten ventilation modes, two evacuation modes, and five source locations. The results show that the models can be useful to direct the decision analysis of both the ventilation and evacuation strategies. In addition, the certainty of the source locations has an important effect on the outcomes of the decision-making. (C) 2010 Elsevier B.V. All rights reserved.
引用
收藏
页码:101 / 114
页数:14
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