ADAPTATION TO INDOOR AIR-POLLUTION

被引:111
作者
GUNNARSEN, L [1 ]
FANGER, PO [1 ]
机构
[1] TECH UNIV DENMARK,HEATING & AIR CONDITIONING LAB,DK-2800 LYNGBY,DENMARK
关键词
D O I
10.1016/0160-4120(92)90209-M
中图分类号
X [环境科学、安全科学];
学科分类号
08 ; 0830 ;
摘要
The change in the perception of polluted air was studied during the first 15 min of exposure in climate chambers. Subjects, 16 female and 16 male, ages 18-30 y, served as air quality judges during 42 exposures. They were exposed to different concentrations of human bioeffluents (500-4000-mu-L/L CO2), tobacco smoke (0.25-2.5-mu-L/L CO), and emissions from building materials (-). The subjects voted every 2 min on scales for odor intensity and acceptability of the air quality, while they were exposed to constant levels of the air pollution. Perception of bioeffluents reached a low level independent of concentration after a few minutes. Adaptation to tobacco smoke caused acceptability to increase, but votes still depended on concentration. Ventilation for comfort may be reduced considerably if a few minutes of discomfort are acceptable or if the occupants are exposed to a gradually increased pollution level during the first 10 min or more of their stay in a space.
引用
收藏
页码:43 / 54
页数:12
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