Comparison study of air mixing modes in liquid desiccant based all-air air conditioning systems

被引：3
|
作者：
Xiao, Fu [1 ]
Niu, XiaoFeng [1 ]
机构：
[1] Hong Kong Polytech Univ, Dept Bldg Serv Engn, Hong Kong, Hong Kong, Peoples R China
来源：
BUILDING SERVICES ENGINEERING RESEARCH & TECHNOLOGY | 2012年 / 33卷 / 04期
关键词：
PERFORMANCE; DEHUMIDIFICATION;
D O I：
10.1177/0143624411418183
中图分类号：
TU [建筑科学];
学科分类号：
0813 ;
摘要：
Liquid desiccant is an energy-saving, environmentally friendly and healthy means of air dehumidification. A liquid desiccant-based all-air air conditioning system is studied by simulation. Two different modes of air mixing between the return air and the fresh air are compared, that is mixing before and mixing after the liquid desiccant dehumidifier, respectively. System performance and total energy consumption of the two modes under different operation conditions are obtained. The results show that mixing air after dehumidification consumes less energy than mixing air before dehumidification. Coefficient of performance (COP) of the all-air system with air mixing after dehumidification is higher. The differences of COP and energy consumption between the two air mixing modes increase when the outdoor air temperature and relative humidity increase.
引用
收藏
页码：423 / 435
页数：13
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