Energy performance of residential buildings in Singapore

被引:63
作者
Chua, K. J. [1 ]
Chou, S. K. [1 ]
机构
[1] Natl Univ Singapore, Dept Mech Engn, Singapore 117576, Singapore
关键词
Envelope thermal transfer value; Residential buildings; Energy performance; Cooling energy requirement; TRANSFER VALUE EQUATION; TRANSFER VALUE OTTV; COMMERCIAL BUILDINGS; HEAT GAIN; SIMULATION; ENVELOPES;
D O I
10.1016/j.energy.2009.10.039
中图分类号
O414.1 [热力学];
学科分类号
摘要
Energy consumption of buildings takes up about a third of Singapore's total electricity production. In this paper, we present a pioneering study to investigate the energy performance of residential buildings. Beginning with an energy survey of households, we established the air-conditioning usage patterns and modelled residential buildings for computer simulations. An ETTV equation for residential buildings was developed. Employing this equation, we demonstrated how to achieve improved energy efficiency in residential buildings. Two types of residential buildings, namely, point block and slab block, were modelled and parametric runs performed. ETTV impacts the energy consumption of residential buildings and thus lowering the ETTV will result in reduced building heat load. Results from the developed equation showed that a unit decrease in ETTV resulted in 4% and 3.5% reduction in annual cooling energy for point block and slab block residential buildings, respectively. In addition, a set of simple energy and load estimating equations were developed using computer simulation and local climatic data. These equations provided a means of estimating the annual cooling energy consumption of residential buildings in Singapore. (C) 2009 Elsevier Ltd. All rights reserved.
引用
收藏
页码:667 / 678
页数:12
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