湖南大学学报（自然科学版）2009，Vol.36Issue(z1)：35-39,5.
Experimental Investigation on Local Air Age and Air Distribution of Stratum Ventilation
Experimental Investigation on Local Air Age and Air Distribution of Stratum Ventilation
WANG Feng-hao 1LI Yuan-bin 1LIU Xiao-dong 1WANG Xin-ke1
作者信息
- 1. School of Human,Settlements and Civil Engineering,Xi'an Jiaotong University,Xi'an,Shaanxi 710049,China
- 折叠
摘要
Abstract
Because of the multiple problems on high energy consumption and unbalanced thermal comfort caused by the traditional ventilation system,a new concept of ventilation-stratum ventilation has been proposed,which sends the fresh air to the breathing zone directly.In this paper,the local air distributions of the displace-ment ventilation and the stratum ventilation in a model office were measured.The air ages in the breathing zone for the displacement ventilation and stratum ventilation were compared with the tracer gas concentration decay method.The decay curves of tracer gas concentration for these two ventilation systems in the breathing zonewere obtained, and the air ages were calculated.The experimental results show that the stratum ventilation sys-tem can offer lower air age for four mechanically ventilated cases in the breathing zone,and it can also provide better thermal comfort,which renews the air of breathing zone more quickly and reduces the energy consump-tion in some degree.The experimental investigation provides a theoretical basis for the application of stratum ventilation system.关键词
ventilation/air quality/air age/distributionKey words
ventilation/air quality/air age/distribution分类
建筑与水利引用本文复制引用
WANG Feng-hao,LI Yuan-bin,LIU Xiao-dong,WANG Xin-ke..Experimental Investigation on Local Air Age and Air Distribution of Stratum Ventilation[J].湖南大学学报（自然科学版）,2009,36(z1):35-39,5.
