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Thermal Performance of Ventilated Double Skin Façades with Venetian Blinds

Author

Listed:
  • Jordi Parra

    (Center for Industrial Diagnostics and Fluid Dynamics, Polytechnic University of Catalonia BARCELONATECH (UPC-CDIF), Av. Diagonal 647, ETSEIB, 08028 Barcelona, Spain)

  • Alfredo Guardo

    (Center for Industrial Diagnostics and Fluid Dynamics, Polytechnic University of Catalonia BARCELONATECH (UPC-CDIF), Av. Diagonal 647, ETSEIB, 08028 Barcelona, Spain)

  • Eduard Egusquiza

    (Center for Industrial Diagnostics and Fluid Dynamics, Polytechnic University of Catalonia BARCELONATECH (UPC-CDIF), Av. Diagonal 647, ETSEIB, 08028 Barcelona, Spain)

  • Pere Alavedra

    (International University of Catalonia, C\Immaculada 22, 08017 Barcelona, Spain)

Abstract

Venetian blinds (VB) are shading devices of widespread use in residential and corporate buildings. They can reflect or transmit light into buildings and at the same time allow daylighting and exterior views. They can also efficiently block radiative heat from entering the building, and if combined with a heat dissipation system such as forced ventilation, they can improve the thermal performance of double skin façades (DSF). Computational Fluid Dynamics (CFD) has proven to be a useful tool for modeling flow and heat transfer in DSF, including conduction, convection and radiation heat transfer phenomena. The aim of this work is to evaluate, by means of CFD, the influence of several optical, construction and operation parameters of a DSF (such as optical properties of the materials, geometrical relations of the VB or flow stream conditions) in terms of energy savings, measured as a reduction of the solar load entering the building. Results obtained show that parameters such as the proximity of the VB to the exterior skin of the façade or a differentiated surface treatment for the exterior and interior faces of the VB louvers can notably affect the thermal performance of the DSF and hence the heat gains experienced by the building.

Suggested Citation

  • 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.
    • Handle: RePEc:gam:jeners:v:8:y:2015:i:6:p:4882-4898:d:50256
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    References listed on IDEAS

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    1. David Valentín & Alfredo Guardo & Eduard Egusquiza & Carme Valero & Pere Alavedra, 2013. "Assessment of the Economic and Environmental Impact of Double Glazed Façade Ventilation Systems in Mediterranean Climates," Energies, MDPI, vol. 6(10), pages 1-19, September.
    2. Manz, Heinrich & Menti, Urs-Peter, 2012. "Energy performance of glazings in European climates," Renewable Energy, Elsevier, vol. 37(1), pages 226-232.
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    Cited by:

    1. Kyung-joo Cho & Dong-woo Cho, 2018. "Solar Heat Gain Coefficient Analysis of a Slim-Type Double Skin Window System: Using an Experimental and a Simulation Method," Energies, MDPI, vol. 11(1), pages 1-17, January.
    2. 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.
    3. Pourshab, Nasrin & Tehrani, Mehdi Dadkhah & Toghraie, Davood & Rostami, Sara, 2020. "Application of double glazed façades with horizontal and vertical louvers to increase natural air flow in office buildings," Energy, Elsevier, vol. 200(C).
    4. Shafaghat, A. & Keyvanfar, A., 2022. "Dynamic façades design typologies, technologies, measurement techniques, and physical performances across thermal, optical, ventilation, and electricity generation outlooks," Renewable and Sustainable Energy Reviews, Elsevier, vol. 167(C).
    5. Anatoliy M. Pavlenko & Karolina Sadko, 2023. "Evaluation of Numerical Methods for Predicting the Energy Performance of Windows," Energies, MDPI, vol. 16(3), pages 1-23, February.
    6. Pau Fonseca i Casas & Antoni Fonseca i Casas & Nuria Garrido-Soriano & Alfonso Godoy & Wendys-Carolina Pujols & Jesus Garcia, 2017. "Solution Validation for a Double Façade Prototype," Energies, MDPI, vol. 10(12), pages 1-19, December.
    7. Jaroslav Košičan & Miguel Ángel Pardo & Silvia Vilčeková, 2020. "A Multicriteria Methodology to Select the Best Installation of Solar Thermal Power in a Family House," Energies, MDPI, vol. 13(5), pages 1-17, February.
    8. Chong Shen & Xianting Li, 2017. "Potential of Utilizing Different Natural Cooling Sources to Reduce the Building Cooling Load and Cooling Energy Consumption: A Case Study in Urumqi," Energies, MDPI, vol. 10(3), pages 1-17, March.
    9. Roya Aeinehvand & Amiraslan Darvish & Abdollah Baghaei Daemei & Shima Barati & Asma Jamali & Vahid Malekpour Ravasjan, 2021. "Proposing Alternative Solutions to Enhance Natural Ventilation Rates in Residential Buildings in the Cfa Climate Zone of Rasht," Sustainability, MDPI, vol. 13(2), pages 1-18, January.
    10. Heangwoo Lee & Janghoo Seo, 2018. "Development of Window-Mounted Air Cap Roller Module," Energies, MDPI, vol. 11(7), pages 1-14, July.
    11. Shiva Najaf Khosravi & Ardeshir Mahdavi, 2021. "A CFD-Based Parametric Thermal Performance Analysis of Supply Air Ventilated Windows," Energies, MDPI, vol. 14(9), pages 1-20, April.
    12. Abel Velasco & Sergi Jiménez García & Alfredo Guardo & Alfred Fontanals & Mònica Egusquiza, 2017. "Assessment of the Use of Venetian Blinds as Solar Thermal Collectors in Double Skin Facades in Mediterranean Climates," Energies, MDPI, vol. 10(11), pages 1-15, November.
    13. 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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