空气流动速度对中等活动水平人体热舒适的影响.zip

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空气流动速度对中等活动水平人体热舒适的影响,材料科学与工程 材料物理与化学,外文文献翻译及原文the effect of air velocity on thermal comfort at moderate activity levels空气流动速度对中等活动水平人体热舒适的影响abstractthe primary purpose of this study...
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材料科学与工程 材料物理与化学,外文文献翻译及原文

The effect of air velocity on thermal comfort at moderate activity levels

空气流动速度对中等活动水平人体热舒适的影响

ABSTRACT
The primary purpose of this study was to determine if the thermal comfort of subjects workingat a moderate level of activity (2.3 MET)was improved or adversely affected by air motion.second purpose of the study was to compareexperimental results with the predicted responsesgiven by the Fanger thermal comfort model and the Azer thermal response model. Tests wereconducted with subjects wearing 0.65 clo and 1.09 clo of clothing insulation and with relativeair velocities of approximately 40 fpm (0.20 m/s) and 240 fpm (1.2 m/s). The air temperaturewas varied over a range selected to include the optimumcomfort level. The results indicatethat comfort is as good, if not better, with the higher air velocity. The experimentalresults showeda higher sensitivity to temperature than predicted by either model.

摘要:本文研究了当活动强度达到中等水平(2.3MET)时空气流动速度是否能对人体的热舒适度产生影响,并将测试结果与Fanger热舒适模型和Azer热感受模型的预测结果进行比较。实验中,受试者的着衣的保温系数为0.65~1.09,空气流动速度为40fpm(0.20m/s)~240fpm(1.20m/s),空气温度保持在舒适水平范围内。测试结果表明:提高空气流动速度,可以提高或保持舒适度;温度对于热舒适度的影响程度远大于预测模型估计程度。