Night-time Ventilation for Passive Cooling of Dwellings: A case study for Cyprus
Date Issued
2010
Abstract
The objective of this work is to investigate the effectiveness of night ventilation (NV) system that could cover at least a part of the cooling load of domestic buildings in an environmental friendly way in areas with a hot and humid climate. In this framework, a case study is conducted for the island of Cyprus where the Climatic Cooling Potential for NV is estimated for representative areas of the island namely for the cities of Nicosia, Limassol, Larnaca, Paphos and Paralimni. Subsequently the applicability of NV is further evaluated according to synthetic and analytical weather data. A detailed model has been used for the calculation of the mean and maximum inside temperature decrease and also for the percentage of the cooling coverage when NV is applied. The outcome of the case study is the evaluation of the effectiveness of NV systems for typical domestic buildings. It is found that the Climatic Cooling Potential is rather low for the cities of Nicosia and Paralimni during the summer months when the need for cooling is imperative.
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