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Open AccessArticle

Determination of Optimum Window to External Wall Ratio for Offices in a Hot and Humid Climate

Faculty of Architecture, Department of Architecture, Eastern Mediterranean University, Mersin 10, Turkey
Academic Editor: Adrian Pitts
Sustainability 2016, 8(2), 187; https://doi.org/10.3390/su8020187
Received: 7 January 2016 / Revised: 15 February 2016 / Accepted: 17 February 2016 / Published: 20 February 2016
Heat loss and gain through windows has a very high impact on the thermal comfort of offices. This paper analyzes a standard low energy consumption university office that has a standard envelope. Dynamic thermal simulations with EDSL Tas software, a predicted mean vote (PMV), and a predicted percentage of dissatisfied (PPD) with all local discomfort as stated in ASHRAE, ISO 7730: 2005, EN 15251: 2007 were used for thermal sensation, in order to optimize the best window to external wall proportion in a hot and humid climate that exists in the Famagusta case study. A simulated office building is oriented east to west in order to take advantage of the wind direction. In May 45% (PPD < 6%–0.7% open window), 93% (PPD < 10–0.2 open window), and 97% (PPD < 15%–0.1% open window) thermal comfort scores are obtained when the window to external wall ratio (WWR) is 10%. In October 43% (PPD < 6%–0.7% open window), 86% (PPD < 10–0.2 open window), and 92% (PPD < 15%–0.1% open window) thermal comfort scores are obtained when the WWR is 10%. In September 49% (PPD < 10% full open window) and 51% (PPD < 15%–0.1% open window) thermal comfort scores are obtained when the WWR is 10%. View Full-Text
Keywords: PMV-PPD; ISO; ASHRAE; EDSL Tas; low energy design; sustainable buildings; thermal comfort; hot-humid climate PMV-PPD; ISO; ASHRAE; EDSL Tas; low energy design; sustainable buildings; thermal comfort; hot-humid climate
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Alibaba, H. Determination of Optimum Window to External Wall Ratio for Offices in a Hot and Humid Climate. Sustainability 2016, 8, 187.

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