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Opaque Ventilated Façade (OVF) Thermal Performance Simulation for Office Buildings in Brazil

Author

Listed:
  • Camila Gregório-Atem

    (Civil, Construction Engineering Department, State University of Londrina, Londrina 86057-970, Brazil)

  • Carolina Aparicio-Fernández

    (Department of Architectural Constructions, Universitat Politècnica de València, Camino de Vera s/n, 46022 Valencia, Spain)

  • Helena Coch

    (Architecture, Energy & Environment, School of Architecture of Barcelona, UPC, Av. Diagonal, 649, 7th Floor, 08028 Barcelona, Spain)

  • José-Luis Vivancos

    (GIDDP, Departamento de Proyectos de Ingeniería, Universitat Politècnica de València, Camino de Vera s/n, 46022 Valencia, Spain)

Abstract

Opaque ventilated façades (OVFs) are increasingly gaining in importance in the design of sustainable buildings, given that they can lessen the building´s environmental impact. Opaque ventilated façades can reduce thermal gains in hot climate zones, improving the thermal comfort indoors, and reducing air conditioning demand. Nevertheless, the thermal behaviour of the opaque ventilated façade depends on the climatic conditions and the building´s specific design. This study analyses the effect of opaque ventilated façades in office buildings using 30 constructive configurations under eight tropical climate conditions. The study considers three options for the external layer of cladding (ceramic, stone, and aluminium composite material) and two configurations for the inner layer (plasterboard with mineral wool and ceramic). Simulations were carried out using the software tools TRanNsient SYstem Simulation program (TRNSYS) and TRNFlow. The model developed considers bioclimatic characteristics, including solar radiation and wind conditions for each climatic zone. The operating temperature was selected from within the range established by occupant comfort regulations. The findings suggest that it is possible to select the best office building opaque ventilated façade configuration for each of the specific climate conditions in Brazil.

Suggested Citation

  • Camila Gregório-Atem & Carolina Aparicio-Fernández & Helena Coch & José-Luis Vivancos, 2020. "Opaque Ventilated Façade (OVF) Thermal Performance Simulation for Office Buildings in Brazil," Sustainability, MDPI, vol. 12(18), pages 1-15, September.
    • Handle: RePEc:gam:jsusta:v:12:y:2020:i:18:p:7635-:d:414290
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    References listed on IDEAS

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    3. Alexis Pérez-Fargallo & Carlos Rubio-Bellido & Inmaculada Gallego-Maya, 2018. "Influence of Adaptive Comfort Models in Execution Cost Improvements for Housing Thermal Environment in Concepción, Chile," Sustainability, MDPI, vol. 10(7), pages 1-14, July.
    4. Stazi, F. & Tomassoni, F. & Vegliò, A. & Di Perna, C., 2011. "Experimental evaluation of ventilated walls with an external clay cladding," Renewable Energy, Elsevier, vol. 36(12), pages 3373-3385.
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    1. Víctor Pérez-Andreu & Carolina Aparicio-Fernández & José-Luis Vivancos & Javier Cárcel-Carrasco, 2021. "Experimental Data and Simulations of Performance and Thermal Comfort in a Typical Mediterranean House," Energies, MDPI, vol. 14(11), pages 1-14, June.
    2. Dwinanto Sukamto & Monica Siroux & Francois Gloriant, 2021. "Hot Box Investigations of a Ventilated Bioclimatic Wall for NZEB Building Façade," Energies, MDPI, vol. 14(5), pages 1-16, March.

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