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

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  • Halil Alibaba

    (Faculty of Architecture, Department of Architecture, Eastern Mediterranean University, Mersin 10, Turkey)

Abstract

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%.

Suggested Citation

  • Halil Alibaba, 2016. "Determination of Optimum Window to External Wall Ratio for Offices in a Hot and Humid Climate," Sustainability, MDPI, vol. 8(2), pages 1-21, February.
    • Handle: RePEc:gam:jsusta:v:8:y:2016:i:2:p:187-:d:64190
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    References listed on IDEAS

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    Cited by:

    1. Paweł Szałański & Piotr Kowalski & Wojciech Cepiński & Piotr Kęskiewicz, 2023. "The Effect of Lowering Indoor Air Temperature on the Reduction in Energy Consumption and CO 2 Emission in Multifamily Buildings in Poland," Sustainability, MDPI, vol. 15(15), pages 1-19, August.
    2. Nari Yoon & Mary Ann Piette & Jung Min Han & Wentao Wu & Ali Malkawi, 2020. "Optimization of Window Positions for Wind-Driven Natural Ventilation Performance," Energies, MDPI, vol. 13(10), pages 1-25, May.
    3. Mohammad Y. AbuGrain & Halil Z. Alibaba, 2017. "Optimizing Existing Multistory Building Designs towards Net-Zero Energy," Sustainability, MDPI, vol. 9(3), pages 1-15, March.
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    5. Krzysztof Grygierek & Joanna Ferdyn-Grygierek & Anna Gumińska & Łukasz Baran & Magdalena Barwa & Kamila Czerw & Paulina Gowik & Klaudia Makselan & Klaudia Potyka & Agnes Psikuta, 2020. "Energy and Environmental Analysis of Single-Family Houses Located in Poland," Energies, MDPI, vol. 13(11), pages 1-25, May.
    6. Hardi K. Abdullah & Halil Z. Alibaba, 2017. "Retrofits for Energy Efficient Office Buildings: Integration of Optimized Photovoltaics in the Form of Responsive Shading Devices," Sustainability, MDPI, vol. 9(11), pages 1-22, November.
    7. Adrian Pitts, 2017. "Passive House and Low Energy Buildings: Barriers and Opportunities for Future Development within UK Practice," Sustainability, MDPI, vol. 9(2), pages 1-26, February.
    8. Silvia Cesari & Paolo Valdiserri & Maddalena Coccagna & Sante Mazzacane, 2020. "The Energy Saving Potential of Wide Windows in Hospital Patient Rooms, Optimizing the Type of Glazing and Lighting Control Strategy under Different Climatic Conditions," Energies, MDPI, vol. 13(8), pages 1-24, April.
    9. Mushk Bughio & Thorsten Schuetze & Waqas Ahmed Mahar, 2020. "Comparative Analysis of Indoor Environmental Quality of Architectural Campus Buildings’ Lecture Halls and its’ Perception by Building Users, in Karachi, Pakistan," Sustainability, MDPI, vol. 12(7), pages 1-29, April.
    10. Haiqiang Liu & Zhihao Zhang & Xidong Ma & Weite Lu & Dongze Li & Shoichi Kojima, 2021. "Optimization Analysis of the Residential Window-to-Wall Ratio Based on Numerical Calculation of Energy Consumption in the Hot-Summer and Cold-Winter Zone of China," Sustainability, MDPI, vol. 13(11), pages 1-24, May.
    11. Hardi K. Abdullah & Halil Z. Alibaba, 2020. "Window Design of Naturally Ventilated Offices in the Mediterranean Climate in Terms of CO 2 and Thermal Comfort Performance," Sustainability, MDPI, vol. 12(2), pages 1-33, January.
    12. Reihaneh Aram & Halil Zafer Alibaba, 2019. "Thermal Comfort and Energy Performance of Atrium in Mediterranean Climate," Sustainability, MDPI, vol. 11(4), pages 1-29, February.
    13. Mohammad K. Najjar & Vivian W. Y. Tam & Leandro Torres Di Gregorio & Ana Catarina Jorge Evangelista & Ahmed W. A. Hammad & Assed Haddad, 2019. "Integrating Parametric Analysis with Building Information Modeling to Improve Energy Performance of Construction Projects," Energies, MDPI, vol. 12(8), pages 1-22, April.
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