The impact of temperature on mean local air age and thermal comfort in a stratum ventilated office

被引：46
|
作者：
Tian, Lin [1 ,2 ]
Lin, Zhang [1 ,2 ]
Liu, Jing [3 ]
Yao, Ting [1 ,2 ]
Wang, Qiuwang [3 ]
机构：
[1] City Univ Hong Kong, Bldg Energy & Environm Technol Res Unit, Sch Energy & Environm, Hong Kong, Hong Kong, Peoples R China
[2] City Univ Hong Kong, Div Bldg Sci & Technol, Hong Kong, Hong Kong, Peoples R China
[3] Xi An Jiao Tong Univ, State Key Lab Multiphase Flow Power Engn, Xian 710049, Peoples R China
来源：
BUILDING AND ENVIRONMENT | 2011年 / 46卷 / 02期
关键词：
Stratum ventilation; Mean local air age; Thermal comfort; Elevated indoor temperatures; INDOOR; QUALITY;
D O I：
10.1016/j.buildenv.2010.08.013
中图分类号：
TU [建筑科学];
学科分类号：
0813 ;
摘要：
The influence of the supply air temperature on the mean local air age and thermal comfort of a typical individual office under stratum ventilation is investigated by a numerical method, which is validated by an experiment carried out by the authors. The results show that for an office, when the supply air temperature is increased from 19 degrees C to 21 degrees C, the corresponding mean occupied zone temperature rises from 24.5 degrees C to 26.5 degrees C. The inhaled air quality for the occupant is improved when supply air temperature rises from 19 C to 21 degrees C. Also, the thermal comfort indices (predicted mean vote or PMV, predicted percentage of dissatisfied or PPD and predicted dissatisfied or PD) fulfill the requirements of ISO 7730 and CR 175 1998. For summer cooling operation, stratum ventilation may offer a feasible solution to elevated indoor temperatures, which are recommended by several governments in East Asia. (C) 2010 Elsevier Ltd. All rights reserved.
引用
收藏
页码：501 / 510
页数：10
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