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Experimental Investigation of Wind Effect on Roof Configurations with Photovoltaic Panel Systems for Sustainable Building Design

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  • Răzvan-Andrei Polcovnicu

    (Faculty of Civil Engineering and Building Services, Technical University “Gheorghe Asachi” of Iasi, 67 Prof. D. Mangeron, 700050 Iasi, Romania)

  • Sebastian-Valeriu Hudișteanu

    (Faculty of Civil Engineering and Building Services, Technical University “Gheorghe Asachi” of Iasi, 67 Prof. D. Mangeron, 700050 Iasi, Romania)

  • Nicolae Ţăranu

    (Faculty of Civil Engineering and Building Services, Technical University “Gheorghe Asachi” of Iasi, 67 Prof. D. Mangeron, 700050 Iasi, Romania
    The Academy of Romanian Scientists, 3 Ilfov Street, Sector 5, 050663 Bucharest, Romania
    Technical Sciences Academy of Romania, 26 Dacia Blvd., 030167 Bucharest, Romania)

  • Dragoș Ungureanu

    (Faculty of Civil Engineering and Building Services, Technical University “Gheorghe Asachi” of Iasi, 67 Prof. D. Mangeron, 700050 Iasi, Romania
    The Academy of Romanian Scientists, 3 Ilfov Street, Sector 5, 050663 Bucharest, Romania)

  • Marius Alexa

    (Faculty of Civil Engineering and Building Services, Technical University “Gheorghe Asachi” of Iasi, 67 Prof. D. Mangeron, 700050 Iasi, Romania)

  • Iuliana Hudișteanu

    (Faculty of Civil Engineering and Building Services, Technical University “Gheorghe Asachi” of Iasi, 67 Prof. D. Mangeron, 700050 Iasi, Romania)

  • Cătălin Onuțu

    (Faculty of Civil Engineering and Building Services, Technical University “Gheorghe Asachi” of Iasi, 67 Prof. D. Mangeron, 700050 Iasi, Romania)

  • Alexandru-Florin Mustiață

    (Faculty of Civil Engineering and Building Services, Technical University “Gheorghe Asachi” of Iasi, 67 Prof. D. Mangeron, 700050 Iasi, Romania)

Abstract

This study investigates the aerodynamic behavior of roof structures under wind-induced forces, focusing on buildings equipped with photovoltaic panels. Experimental data were obtained through wind tunnel testing of three 1:100 scale models, each representing a distinct roof geometry: gabled, hipped, and multi-pitched. Measurements of dynamic pressure and pressure coefficients were conducted for various wind incidence angles, ranging from 0° to ±150°. The results highlight the impact of roof geometry and PV panel placement on the pressure distribution, with notable variations due to flow separation and vortex formation around the panels. Gabled roofs exhibited pronounced pressure gradients, while hipped roofs showed more uniform distributions. Multi-pitched roofs demonstrated the most complex aerodynamic behavior due to their variable slopes. These findings enhance the understanding of wind-structure interactions for buildings with roof photovoltaic panels, contributing to the development of more resilient and energy-efficient structures. The research supports sustainable construction practices by improving wind load predictions and informing design decisions that promote the safe integration of renewable energy systems into the built environment.

Suggested Citation

  • Răzvan-Andrei Polcovnicu & Sebastian-Valeriu Hudișteanu & Nicolae Ţăranu & Dragoș Ungureanu & Marius Alexa & Iuliana Hudișteanu & Cătălin Onuțu & Alexandru-Florin Mustiață, 2025. "Experimental Investigation of Wind Effect on Roof Configurations with Photovoltaic Panel Systems for Sustainable Building Design," Sustainability, MDPI, vol. 17(10), pages 1-21, May.
    • Handle: RePEc:gam:jsusta:v:17:y:2025:i:10:p:4739-:d:1661102
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    References listed on IDEAS

    as
    1. Alireza Eslami Majd & David S. Adebayo & Fideline Tchuenbou-Magaia & James Willetts & Dave Nwosu & Zackery Matthews & Nduka Nnamdi Ekere, 2024. "Wind Flow and Its Interaction with a Mobile Solar PV System Mounted on a Trailer," Sustainability, MDPI, vol. 16(5), pages 1-21, February.
    2. Zhibin Tu & Gensheng Zheng & Jianfeng Yao & Guohui Shen & Wenjuan Lou, 2022. "Computational Investigation of Wind Loads on Tilted Roof-Mounted Solar Array," Sustainability, MDPI, vol. 14(23), pages 1-17, November.
    3. Jianfeng Yao & Zhibin Tu & Dong Wang & Guohui Shen & Wenjuan Lou, 2022. "Experimental Investigation of Wind Loads on Roof-Mounted Solar Arrays," Sustainability, MDPI, vol. 14(14), pages 1-20, July.
    4. Yanyu Ke & Guohui Shen & Xiaoyue Yang & Jiming Xie, 2022. "Effects of Surface-Attached Vertical Ribs on Wind Loads and Wind-Induced Responses of High-Rise Buildings," Sustainability, MDPI, vol. 14(18), pages 1-17, September.
    5. Mina Nezamisavojbolaghi & Erfan Davodian & Amal Bouich & Mouhaydine Tlemçani & Oumaima Mesbahi & Fernando M. Janeiro, 2023. "The Impact of Dust Deposition on PV Panels’ Efficiency and Mitigation Solutions: Review Article," Energies, MDPI, vol. 16(24), pages 1-19, December.
    Full references (including those not matched with items on IDEAS)

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