Comparison of shading design between the northern and southern hemispheres: using the NSGA-II algorithm to reduce building energy consumption and improve occupants' comfort

被引:3
作者
Nazari, Sarah [1 ,2 ]
Mohammadi, Payam Keshavarz Mirza [3 ]
Ghaffarianhoseini, Amirhosein [4 ]
Ghaffarianhoseini, Ali [4 ]
Doan, Dat Tien [4 ]
Almhafdy, Abdulbasit [5 ]
机构
[1] Univ Tehran, Coll Engn, Sch Mech Engn, Tehran, Iran
[2] Pars Univ Architecture & Art, Tehran, Iran
[3] Shahid Beheshti Univ, Fac Civil Water & Environm Engn, Tehran, Iran
[4] Auckland Univ Technol, Dept Built Environm Engn, Auckland, New Zealand
[5] Qassim Univ, Coll Architecture & Planning, Dept Architecture, Buraydah, Saudi Arabia
关键词
Energy consumption; Optimization method; Shading design; Thermal comfort; Visual comfort; Multi-objective optimization; ARCHITECTURAL DESIGN; VISUAL COMFORT; LIGHT SHELVES; BLIND; OPTIMIZATION; REGIONS;
D O I
10.1108/SASBE-11-2022-0248
中图分类号
X [环境科学、安全科学];
学科分类号
08 ; 0830 ;
摘要
PurposeThis paper aims to investigate the optimization of window and shading designs to reduce the building energy consumption of a standard office room while improving occupants' comfort in Tehran and Auckland.Design/methodology/approachThe NSGA-II algorithm, as a multi-objective optimization method, is applied in this study. First, a comparison of the effects of each variable on all objectives in both cities is conducted. Afterwards, the optimal solutions and the most undesirable scenarios for each city are presented for architects and decision-makers to select or avoid.FindingsThe results indicate that, in both cities, the number of slats and their distance from the wall are the most influential variables for shading configurations. Additionally, occupants' thermal comfort in Auckland is much better than in Tehran, while the latter city can receive more daylight. Furthermore, the annual energy use in Tehran can be significantly reduced by using a proper shading device and window-to-wall ratio (WWR), while building energy consumption, especially heating, is negligible in Auckland.Originality/valueTo the best of the authors' knowledge, this is the first study that compares the differences in window and shading design between two cities, Tehran and Auckland, with similar latitudes but located in different hemispheres. The outcomes of this study can benefit two groups: firstly, architects and decision-makers can choose an appropriate WWR and shading to enhance building energy efficiency and occupants' comfort. Secondly, researchers who want to study window and shading systems can implement this approach for different climates.
引用
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页数:32
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