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Experimental and Numerical Investigation of Forced Convection in a Double Skin Façade

Author

Listed:
  • Tuğba İnan

    (Department of Architecture, Niğde Ömer Halisdemir University, Niğde 51240, Turkey)

  • Tahsin Başaran

    (Department of Architecture, İzmir Institute of Technology, İzmir 35430, Turkey)

  • Aytunç Erek

    (Department of Mechanical Engineering, Dokuz Eylül University, İzmir 35397, Turkey)

Abstract

Flow and heat transfer of the air cavity between two glass façades designed in the box window type of double skin façade (DSF) was evaluated in a test room which was set up for measurements in the laboratory environment and analyzed under different working conditions by using a computational fluid dynamics tool. Using data from the experimental studies, the verification of the numerical studies was conducted and the air flow and heat transfer in the cavity between the two glass façades were examined numerically in detail. The depth to height of the cavity, the aspect ratio, was changed between 0.10 and 0.16, and was studied for three different flow velocities. Reynolds and average Nusselt numbers ranging from 28,000 to 56,500 and 134 to 272, respectively, were calculated and a non-dimensional correlation between Reynolds and Nusselt numbers was constructed to evaluate the heat transfer from the cavity (except inlet and outlet sections) air to the inside environment and it could be used the box window type of DSF applications having relatively short cavities.

Suggested Citation

  • Tuğba İnan & Tahsin Başaran & Aytunç Erek, 2017. "Experimental and Numerical Investigation of Forced Convection in a Double Skin Façade," Energies, MDPI, vol. 10(9), pages 1-15, September.
    • Handle: RePEc:gam:jeners:v:10:y:2017:i:9:p:1364-:d:111306
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    References listed on IDEAS

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    1. Jordi Parra & Alfredo Guardo & Eduard Egusquiza & Pere Alavedra, 2015. "Thermal Performance of Ventilated Double Skin Façades with Venetian Blinds," Energies, MDPI, vol. 8(6), pages 1-17, May.
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    1. Tao, Yao & Zhang, Haihua & Zhang, Lili & Zhang, Guomin & Tu, Jiyuan & Shi, Long, 2021. "Ventilation performance of a naturally ventilated double-skin façade in buildings," Renewable Energy, Elsevier, vol. 167(C), pages 184-198.
    2. Zhiqiang Wang & Qi Tian & Jie Jia, 2022. "The Convective Heat Transfer Performance and Structural Optimization of the Cavity in Energy-Saving Thermal Insulation Windows under Cold Air Penetration Condition," Energies, MDPI, vol. 15(7), pages 1-21, March.
    3. Yorgos Spanodimitriou & Giovanni Ciampi & Michelangelo Scorpio & Niloufar Mokhtari & Ainoor Teimoorzadeh & Roberta Laffi & Sergio Sibilio, 2022. "Passive Strategies for Building Retrofitting: Performances Analysis and Incentive Policies for the Iranian Scenario," Energies, MDPI, vol. 15(5), pages 1-22, February.

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