Analysis of the influence of large-scale room circulation on the human microenvironment

被引：4
|
作者：
Wang, Ping [1 ]
Zhang, Yongzhi [1 ,2 ]
Yang, Bingqiang [1 ]
Song, Jing [1 ]
Zhang, Jiaxing [1 ]
Xing, Zihan [1 ]
机构：
[1] Donghua Univ, Coll Environm Sci & Engn, Shanghai 201620, Peoples R China
[2] Donghua Univ, Room 221,Integrated Lab Bldg,2999 North Renmin Rd, Shanghai 201620, Peoples R China
来源：
ENERGY AND BUILDINGS | 2023年 / 301卷
关键词：
Climate chamber; Thermal plume; Microenvironment; Large-scale circulation; Vortex structure; CONVECTIVE BOUNDARY-LAYER; THERMAL PLUME; HUMAN-BODY; AIR-FLOW; ENVIRONMENT; IMPACT; CFD;
D O I：
10.1016/j.enbuild.2023.113745
中图分类号：
TU [建筑科学];
学科分类号：
0813 ;
摘要：
In this study, the effects of indoor large-scale circulation on the human microenvironment under natural convection and air-conditioning conditions were investigated by experiments and numerical simulations in a climate chamber. The effect of human thermal plumes on airflow was studied by large-scale circulation period characteristics. The main influencing factors of the vortex structure distribution are analysed under two conditions. The results show that the thermal plume under natural convection condition is the main factor affecting the largescale circulation, and the indoor large-scale circulation has a significant effect on the microenvironment around the human body. The supply air jet can significantly reduce the large-scale circulation period. Moreover, the air supply jet and the human thermal plume are coupled to form multiple small-scale circulations.
引用
收藏
页数：11
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