Energy Performance of Integrated Wall and Window Switchable Insulated Systems for Residential Buildings

被引:7
作者
Carlier, Remy [1 ]
Dabbagh, Mohammad [1 ]
Krarti, Moncef [1 ]
机构
[1] Univ Colorado Boulder, Dept Civil Environm & Architectural Engn, Boulder, CO 80309 USA
关键词
energy efficiency; residential buildings; switchable insulation systems; two-step controls; variable R-value; wall construction; PCM; FACADE;
D O I
10.3390/en15031056
中图分类号
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号
0807 ; 0820 ;
摘要
In this paper, the energy benefits of switchable insulation systems (SIS) are assessed when applied as shades for windows as well as dynamic insulation for exterior walls of residential buildings located in European countries including Belgium and Spain. A series of analyses is performed for detached houses and apartments representing common Belgian residential buildings to determine the energy performance of SIS when deployed to windows and exterior walls and operated using simplified rule-based controls. The analysis results indicate that SIS-integrated windows can achieve significant energy savings for both dwelling types in Belgium, including the elimination of any mechanical cooling and a reduction of up to 44% of heating energy end-use. Moreover, the results show that SIS can offer even more energy efficiency and thermal comfort benefits when deployed to both windows and exterior walls for residential buildings. These energy efficiency benefits are higher, especially for reducing heating needs, for the milder climates of Belgium and Spain. However, it should be noted that the energy performance of SIS could be affected substantially by windows' orientation and occupants' behavior.
引用
收藏
页数:21
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