技术中心

【英文篇名】 Airborne biochemical attacks and building environment security (5):efficiency factor—human-oriented indices for evaluating ventilation efficiency 【作者中文名】 蔡浩; 龙惟定; 李先庭; 程宝义; 【作者英文名】 Cai Hao; Long Weiding; Li Xianting and Cheng Baoyi PLA University of Science and Technology; Nanjing; China; 【作者单位】 解放军理工大学; 同济大学; 清华大学; 解放军理工大学 清华大学; 【文献出处】 暖通空调, Heating Ventilating 评价指标; 污染源有效因子; 送风有效因子; 计算流体力学; 【英文关键词】 ventilation; evaluating index; efficiency factor of contaminant source（EFCS）; efficiency factor of supply air（EFSA）; computational fluid dynamics（CFD）; 【摘要】 为了合理评价突发事件中的通风效果,从以人为本的角度提出了有效因子概念。定义了污染源有效因子EFCS和送风有效因子EFSA两个系列指标,每个系列均包括3个指标。EFCS和EFSA分别用于度量任意时段内污染源和送风对室内人员的影响。通过三维房间的算例,说明了指标的特点和应用。结果表明,系列指标能定量地反映任意时段内室内污染源和送风对人员的影响,可用于指导突发事件中应急通风和疏散策略的制定。 【英文摘要】 For rationally evaluating the ventilation efficiency in emergencies,describes the efficiency factor with human-oriented view.Proposes the two sets of indices,efficiency factor of contaminant source(EFCS) and efficiency factor of supply air(EFSA),and each set includes three indices.EFCS and EFSA indices are meant for scaling the influence of contaminant source and supply air on indoor occupants respectively in any given period of time.In addition,numerically analyses a three-dimensional room object to demons...