期刊名称：International Journal of Engineering and Computer Science
印刷版ISSN：2319-7242
出版年度：2015
卷号：4
期号：12
页码：15262-15273
DOI：10.18535/Ijecs/v4i12.31
出版社：IJECS
摘要：The recent influx of glazing materials being used as curtain walls in Ghana has resulted in theincrease use of energy to provide thermally comfortable interior spaces for occupant comfort. The „glassbox‟ phenomenon in Ghana has arisen due to contemporary architecture. The climate of Ghana (warmhumid) makes it almost impossible for these multi-storey glass boxes to be ventilated naturally throughoutthe year.The current study was aimed at finding means of significantly reducing the cooling loads of these multistoreyoffice buildings whilst ensuring thermal comfort. Four high rise office buildings in Accra wereselected for the study. Several parameters ranging from efficient glazing, thermal mass, façade insulation,night ventilation etc were probed into towards the reduction of cooling loads.The study revealed amongst others that reduced light loads of 2W/m2 considerably decreased cooling loadsin all the buildings. Efficient glazing with low solar heat gain coefficient also cut down on cooling loads byas much as 27%. Additionally, it was realized that external shading could reduce cooling loads andtherefore architects must make a conscious effort to provide same when designing these buildings
