An Investigation into the Impact of Orientation on the Thermal Performance and Occupant’s Productivity in Curtain Wall High-Rise Office Working Spaces During the Dry Season: A Case Study of Abuja, Nigeria

Christopher Ileanwa Abdul, Roshida Binti Abdul Majid, David B. Dalumo, Adejoh Andrew Ekule, Usman Abdulazeez Adeiza, Isah Obenege Suleiman and Idachaba Kareen Mamenoma
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Christopher Ileanwa Abdul: Faculty of Built Environment and Surveying, Universiti Teknologi Malaysia, Johor, Malaysia. Department of Architectural Technology, Kogi State Polytechnic, Lokoja, Kogi State, Nigeria.
Roshida Binti Abdul Majid: Faculty of Built Environment and Surveying, Universiti Teknologi Malaysia, Johor, Malaysia.
David B. Dalumo: Faculty of Built Environment and Surveying, Universiti Teknologi Malaysia, Johor, Malaysia.
Adejoh Andrew Ekule: Department of Architectural Technology, Kogi State Polytechnic, Lokoja, Kogi State, Nigeria.
Usman Abdulazeez Adeiza: Department of Architectural Technology, Kogi State Polytechnic, Lokoja, Kogi State, Nigeria.
Isah Obenege Suleiman: Department of Architectural Technology, Kogi State Polytechnic, Lokoja, Kogi State, Nigeria.
Idachaba Kareen Mamenoma: Department of Architectural Technology, Kogi State Polytechnic, Lokoja, Kogi State, Nigeria.

International Journal of Research and Innovation in Social Science, 2024, vol. 8, issue 9, 208-224

Abstract: This study evaluates the thermal performance and its effect on occupant productivity in high-rise curtain wall office spaces in Abuja during summer. The heat gain from the east and west facades causes increased indoor temperatures resulting in discomfort conditions in the offices thereby reducing productivity. Due to the significant heat gains from east and west-facing facades, optimizing building orientation is crucial for reducing cooling loads. The primary sources of data are real time readings obtained from hobo loggers and simulation while the secondary data. The research utilized Design Builder and EnergyPlus simulations to analyze the impact of different orientations on indoor temperatures and daylight levels in a typical Abuja office. Results indicate that all orientations exceeded international standards for thermal comfort, with variations in illumination that could affect occupant comfort. These findings underscore the importance of façade orientation in achieving energy-efficient office designs in tropical climates, aligning with Sustainable Development Goals.

Date: 2024
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