技术中心

【英文篇名】 External factors influencing contamination emission from porous materials 【作者中文名】 余跃滨; 张国强; 余代红; 严伟锋; 【作者英文名】 By Yu Yuebin★; Zhang Guoqiang; Yu Daihong and Yan Weifeng★Hunan University; Changsha; China; 【作者单位】 湖南大学; 南通四建集团有限公司; 【文献出处】 暖通空调, Heating Ventilating 污染物散发; 外部因素; 室内温度; 传质系数; 换气次数; 【英文关键词】 porous material; contamination emission; external factor; indoor temperature; mass transfer coefficient; air changes; 【摘要】 基于所建的污染物散发模型,分析了室内温度、传质系数、换气次数对多孔材料污染物散发的影响。结果显示,室内温度对材料内污染物散发的影响非常明显,温度越高,污染物散发时间越短;提高传质系数不能显著加速污染物散发,而降低该值却可以抑制污染物的释放;换气次数对污染物散发影响很小,但可以通过改变换气次数来控制室内污染物浓度。 【英文摘要】 Based on a contamination emission model, analyses the influences of indoor temperature, mass transfer coefficient and air changes on contamination emission from porous materials. The results show that the influence of indoor temperature is very obvious and the higher temperature is, the shorter emission time is; increasing mass transfer coefficient can not apparently accelerate contamination emission but reducing the coefficient can restrain contamination emission; the influence of air changes is obscure bu...