Heliyon | |
Influence of inclined wall self-shading strategy on office building heat gain and energy performance in hot humid climate of Malaysia | |
M.G. Abdullahi1  M.Z. Kandar2  Y.A. Dodo2  P.S. Nimlyat3  | |
[1] Corresponding author.;Department of Architecture, Faculty of Built Environment, Universiti Teknologi Malaysia, Malaysia;Department of Architecture, Faculty of Environmental Sciences, University of Jos, Nigeria; | |
关键词: Energy; Environmental science; Self-shading; Simulation; Energy efficiency; Diamond building; | |
DOI : | |
来源: DOAJ |
【 摘 要 】
External shading geometry on buildings has been found to contribute substantially to reducing energy consumption for cooling. This study examines the effect of inclined wall self-shading strategy on heat gain in an office building. Field measurement of environmental variables such as ambient temperature, relative humidity, dew point, and wet bulb temperature was carried out in a case study inclined wall self-shading office building located in Putrajaya, Malaysia. The results of the validation of ApacheSim simulation software tool against the measured environmental variables indicated significant reliability having Pearson correlations ranging from 0.56 to 0.90. In establishing the relationship between different inclined wall strategies to the amount of heat gain, modification of the inclined wall self-shading projection (SSP) was modelled and experimented using ApacheSim simulation. Findings from the analysis revealed a relationship between heat gains into a building space and self-shading projection (SSP), as heat gains tend to reduce with increased SSP. From the findings, the optimum inclination angle of self-shading for effective heat gain reduction is based on a 45% self-shading projection. The application of inclined wall self-shading strategy in buildings would, therefore, bring about a reduction in heat gain, which invariably reduces energy consumption for cooling.
【 授权许可】
Unknown