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Parametric Study of Thermodynamics in the Mediterranean Courtyard as a Tool for the Design of Eco-Efficient Buildings

Author

Listed:
  • Juan M. Rojas

    (Department of Building Construction. E.T.S. Arquitectura, University of Seville, Seville 41012, Spain)

  • Carmen Galán-Marín

    (Department of Building Construction. E.T.S. Arquitectura, University of Seville, Seville 41012, Spain)

  • Enrique D. Fernández-Nieto

    (Department of Applied Mathematics E.T.S. Arquitectura, University of Seville, Seville 41012, Spain)

Abstract

Traditionally, people in the Mediterranean region knew that the temperatures in their courtyards were cooler in summer than outside temperature. This paper provides a quantitative study on the usefulness of Mediterranean courtyards as passive energy saving systems. This work is based on the creation of a Computational Fluid Dynamics (CFD) numerical model developed using the open source Freefem++ language. In this work, first the numerical model is tested using simplified-shape courtyards which have been previously studied both physically under controlled parameters, and mathematically through numerical simulations. We also study the most appropriate depth ratio for a courtyard, based on these simplified shapes, depending on the climate. Secondly, we apply the numerical model in a real geometry, the Monte Málaga hotel. We compare the numerical results with the monitored data of the temperature in the courtyard of the hotel. The numerical model takes into account precomputed solar radiation in the walls of the courtyard, the predominant wind and buoyancy effects.

Suggested Citation

  • Juan M. Rojas & Carmen Galán-Marín & Enrique D. Fernández-Nieto, 2012. "Parametric Study of Thermodynamics in the Mediterranean Courtyard as a Tool for the Design of Eco-Efficient Buildings," Energies, MDPI, vol. 5(7), pages 1-23, July.
    • Handle: RePEc:gam:jeners:v:5:y:2012:i:7:p:2381-2403:d:18804
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    Citations

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    Cited by:

    1. Hao Sun & Carlos Jimenez-Bescos & Murtaza Mohammadi & Fangliang Zhong & John Kaiser Calautit, 2021. "Numerical Investigation of the Influence of Vegetation on the Aero-Thermal Performance of Buildings with Courtyards in Hot Climates," Energies, MDPI, vol. 14(17), pages 1-25, August.
    2. Juan Rojas-Fernández & Carmen Galán-Marín & Carlos Rivera-Gómez & Enrique D. Fernández-Nieto, 2018. "Exploring the Interplay between CAD and FreeFem++ as an Energy Decision-Making Tool for Architectural Design," Energies, MDPI, vol. 11(10), pages 1-19, October.
    3. Juan Rojas-Fernández & Carmen Galán-Marín & Jorge Roa-Fernández & Carlos Rivera-Gómez, 2017. "Correlations between GIS-Based Urban Building Densification Analysis and Climate Guidelines for Mediterranean Courtyards," Sustainability, MDPI, vol. 9(12), pages 1-26, December.
    4. Shimeng Hao & Changming Yu & Yuejia Xu & Yehao Song, 2019. "The Effects of Courtyards on the Thermal Performance of a Vernacular House in a Hot-Summer and Cold-Winter Climate," Energies, MDPI, vol. 12(6), pages 1-29, March.
    5. Zamani, Zahra & Heidari, Shahin & Hanachi, Pirouz, 2018. "Reviewing the thermal and microclimatic function of courtyards," Renewable and Sustainable Energy Reviews, Elsevier, vol. 93(C), pages 580-595.
    6. Kangji Li & Lei Pan & Wenping Xue & Hui Jiang & Hanping Mao, 2017. "Multi-Objective Optimization for Energy Performance Improvement of Residential Buildings: A Comparative Study," Energies, MDPI, vol. 10(2), pages 1-23, February.

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