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  •   Open Research
  • AUT Faculties
  • Faculty of Design and Creative Technologies (Te Ara Auaha)
  • School of Engineering, Computer and Mathematical Sciences - Te Kura Mātai Pūhanga, Rorohiko, Pāngarau
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A Morphology-based Model for Forecasting Cooling Energy Demand of Condominium Buildings in Sri Lanka

Geekiyanage, D; Ramachandra, T; Rotimi, JOB
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http://hdl.handle.net/10292/10797
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Abstract
Building morphology has significant influence on operational energy demand of buildings. Energy consumption for space cooling accounts for more than 75% of electricity use in typical condominium buildings. With increase in the number of condominiums in Sri Lanka, the requirement for space cooling has increased resulting in significant energy demands. Accordingly, this study developed a morphology-based model for forecasting cooling energy demand of condominiums. The study employed a quantitative approach involving questionnaire survey and document review to collect data from thirty (30) condominiums in Sri Lanka. The correlation analysis performed on the data collected indicates that the number of floors (0.940), building height (0.930), building shape (-0.686), grouping of buildings (-0.647) window-to-wall-ration (0.597), gross internal floor area (0.489), and wall-to-floor-ratio (-0.457) have significant correlations with the cooling energy demand of condominiums in Sri Lanka. A multiple linear regression model developed shows that the number of floors and window-to-wall-ration account for 91.2% accuracy of the cooling energy estimation for condominiums in Sri Lanka. Thus, using the developed model, the annual cooling energy demand of a condominium can be forecast, considering significant design factors that could inform decisions at the building design and construction stage to ensure energy efficient designs.
Keywords
Building morphology; Condominiums; Cooling energy; Sri Lanka
Date
2017
Source
Proceeding of the 33rd Annual ARCOM Conference. 4-6 September 2017, Cambridge, UK. pp/ 289-298.
Item Type
Conference Contribution
Publisher
The Association of Researchers in Construction Management (ARCOM)
Publisher's Version
http://www.arcom.ac.uk/conf-next_2017.php
Rights Statement
All authors of papers published in the ARCOM Conferences retain the right to re-publish their work in any format without the need for further permission from ARCOM. This includes depositing the final published pdf version of papers on Universities' Institutional Repositories.

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