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Heat and Air Flow Behavior of Naturally Ventilated Offices in a Mediterranean Climate

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  • Halil Zafer Alibaba

    (Department of Architecture, Faculty of Architecture, Eastern Mediterranean University, 99628 Mersin 10, Turkey)

Abstract

Air changes per hour (ach) rates for windows of different sizes and opened in different ratios were studied to establish natural ventilation concepts in offices with a Mediterranean climate. Dynamic thermal simulations were carried out in EDSL Tas for whole year investigations of an office. The office lost 0.01 W of heat during the winter but gained 0.01 W of heat during the summer. Annual average heat gain was 2.4 W. The heat gain via an external opaque wall was 138.9 W during the winter and 227.3 W during the summer, with an annual average of 190.7 W. The heat gain via an external glass surface was 128.9 W during the winter and 191 W during the summer, with an annual average of 161.5 W. The office had an average of 170.0 ach during the winter and an average of 144.7 ach during the summer, with an annual average of 157.4. The maximum annual ach performance was 480.4 ach when the external wall was fully glazed and the window was fully open, and the minimum annual ach performance was 9.8 when only 10% of the external wall was glass and 20% of the window area was open.

Suggested Citation

  • Halil Zafer Alibaba, 2018. "Heat and Air Flow Behavior of Naturally Ventilated Offices in a Mediterranean Climate," Sustainability, MDPI, vol. 10(9), pages 1-23, September.
    • Handle: RePEc:gam:jsusta:v:10:y:2018:i:9:p:3284-:d:169823
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    References listed on IDEAS

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    1. Krzysztof Grygierek & Joanna Ferdyn-Grygierek, 2018. "Multi-Objective Optimization of the Envelope of Building with Natural Ventilation," Energies, MDPI, vol. 11(6), pages 1-17, May.
    2. Bayoumi, Mohannad, 2017. "Energy saving method for improving thermal comfort and air quality in warm humid climates using isothermal high velocity ventilation," Renewable Energy, Elsevier, vol. 114(PB), pages 502-512.
    3. Jomehzadeh, Fatemeh & Nejat, Payam & Calautit, John Kaiser & Yusof, Mohd Badruddin Mohd & Zaki, Sheikh Ahmad & Hughes, Ben Richard & Yazid, Muhammad Noor Afiq Witri Muhammad, 2017. "A review on windcatcher for passive cooling and natural ventilation in buildings, Part 1: Indoor air quality and thermal comfort assessment," Renewable and Sustainable Energy Reviews, Elsevier, vol. 70(C), pages 736-756.
    4. Nomura, Mika & Hiyama, Kyosuke, 2017. "A review: Natural ventilation performance of office buildings in Japan," Renewable and Sustainable Energy Reviews, Elsevier, vol. 74(C), pages 746-754.
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    Cited by:

    1. Peng Xue & Zhengtao Ai & Dongjin Cui & Wei Wang, 2019. "A Grey Box Modeling Method for Fast Predicting Buoyancy-Driven Natural Ventilation Rates through Multi-Opening Atriums," Sustainability, MDPI, vol. 11(12), pages 1-18, June.
    2. 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.
    3. 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.

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