Influence of the building shape on the energy performance of timber-glass buildings located in warm climatic regions

Miroslav Premrov, Maja Žigart and Vesna Žegarac Leskovar

Energy, 2018, vol. 149, issue C, 496-504

Abstract: An optimal proportion and appropriate orientation of glazing surfaces in timber-glass building play an important role due to the exploitation of solar radiation as a source of renewable energy for heating, applicable in most cases only to buildings located in cold and moderate climatic regions. However, the situation of timber-glass buildings located in warm climatic regions is completely different, since the energy demand for cooling represents a major contribution to the annual energy demand. The optimal solutions in such cases should therefore avoid overheating, which has not been extensively analysed in scientific literature discussing timber buildings. In the present study a total of 216 timber box-house models with a parametrically varied building shape (aspect ratio, horizontal and vertical extension), the thermal transmittance of the building envelope components, along with the varied glazing size and its position in the south or north façade, undergo separate analyses for locations in Athens and Sevilla. Climate conditions are intentionally selected and encompass very similar average temperatures but rather different solar radiation. The influence of the described parameters on the annual energy demand is thoroughly analysed and can serve architects as a systematic guideline in designing timber-glass buildings also for regions with warm climate conditions.

Keywords: Shape factor; Glazing size; Energy demand; Timber-glass buildings; Climate conditions (search for similar items in EconPapers)
Date: 2018
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Citations: View citations in EconPapers (5)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:energy:v:149:y:2018:i:c:p:496-504

DOI: 10.1016/j.energy.2018.02.074

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