Indoor air aerosol model: the effect of outdoor air, filtration and ventilation on indoor concentrations

被引：82

作者：

Kulmala, M ^{[1
]}

Asmi, A ^{[1
]}

Pirjola, L ^{[1
]}

机构：

[1] Univ Helsinki, Dept Phys, FIN-00014 Helsinki, Finland

来源：

ATMOSPHERIC ENVIRONMENT | 1999年 / 33卷 / 14期

关键词：

radioactive aerosols; dose reduction factor; fungal spores; transport from outdoor to indoor;

D O I：

10.1016/S1352-2310(99)00070-9

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

A simple model has been developed to predict the indoor air concentration, indoor surface accumulation and the connection between the outdoor and indoor air concentrations. The model is valid for systems where the chemical reactions are slow or the aerosol size distribution is pretty constant, for example for the number concentration of radioactive aerosols (particularly the total activity) or fungal spores. In the model, several factors such as filtration, ventilation, deposition, re-emission, outdoor concentration and indoor sources are included. When simulating radioactive clouds the model results show that there is always a time period after which the radioactivity indoors is higher than outdoors. If the outdoor aerosol particles have a periodic behaviour, also the indoor aerosols behave periodically but smoother and with some delay. Indoor sources are shown to be able to increase indoor concentrations continuously. (C) 1999 Elsevier Science Ltd. All rights reserved.

引用

页码：2133 / 2144

页数：12

共 26 条

[1] INDOOR-OUTDOOR RELATIONSHIPS FOR AIRBORNE PARTICULATE MATTER OF OUTDOOR ORIGIN [J].