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Horizontal Air-Ground Heat Exchanger Performance and Humidity Simulation by Computational Fluid Dynamic Analysis

Author

Listed:
  • Paolo Maria Congedo

    (Department of Engineering for Innovation, University of Salento, 73100 Lecce, Italy)

  • Caterina Lorusso

    (Department of Engineering for Innovation, University of Salento, 73100 Lecce, Italy)

  • Maria Grazia De Giorgi

    (Department of Engineering for Innovation, University of Salento, 73100 Lecce, Italy)

  • Riccardo Marti

    (Department of Engineering for Innovation, University of Salento, 73100 Lecce, Italy)

  • Delia D’Agostino

    (Energy efficiency and Renewables Unit, Energy, Transport and Climate Institute, Joint Research Centre (JRC)-European Commission, 21027 Ispra, Italy)

Abstract

Improving energy efficiency in buildings and promoting renewables are key objectives of European energy policies. Several technological measures are being developed to enhance the energy performance of buildings. Among these, geothermal systems present a huge potential to reduce energy consumption for mechanical ventilation and cooling, but their behavior depending on varying parameters, boundary and climatic conditions is not fully established. In this paper a horizontal air-ground heat exchanger (HAGHE) system is studied by the development of a computational fluid dynamics (CFD) model. Summer and winter conditions representative of the Mediterranean climate are analyzed to evaluate operation and thermal performance differences. A particular focus is given to humidity variations as this parameter has a major impact on indoor air quality and comfort. Results show the benefits that HAGHE systems can provide in reducing energy consumption in all seasons, in summer when free-cooling can be implemented avoiding post air treatment using heat pumps.

Suggested Citation

  • Paolo Maria Congedo & Caterina Lorusso & Maria Grazia De Giorgi & Riccardo Marti & Delia D’Agostino, 2016. "Horizontal Air-Ground Heat Exchanger Performance and Humidity Simulation by Computational Fluid Dynamic Analysis," Energies, MDPI, vol. 9(11), pages 1-14, November.
    • Handle: RePEc:gam:jeners:v:9:y:2016:i:11:p:930-:d:82606
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    References listed on IDEAS

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    Cited by:

    1. Cristina Baglivo & Delia D’Agostino & Paolo Maria Congedo, 2018. "Design of a Ventilation System Coupled with a Horizontal Air-Ground Heat Exchanger (HAGHE) for a Residential Building in a Warm Climate," Energies, MDPI, vol. 11(8), pages 1-27, August.
    2. Piotr Michalak, 2022. "Hourly Simulation of an Earth-to-Air Heat Exchanger in a Low-Energy Residential Building," Energies, MDPI, vol. 15(5), pages 1-23, March.
    3. Aldona Skotnicka-Siepsiak, 2020. "Operation of a Tube GAHE in Northeastern Poland in Spring and Summer—A Comparison of Real-World Data with Mathematically Modeled Data," Energies, MDPI, vol. 13(7), pages 1-15, April.
    4. Wei-Tao Wu & Nadine Aubry & James F. Antaki & Mark L. McKoy & Mehrdad Massoudi, 2017. "Heat Transfer in a Drilling Fluid with Geothermal Applications," Energies, MDPI, vol. 10(9), pages 1-18, September.
    5. Rima Aridi & Jalal Faraj & Samer Ali & Mostafa Gad El-Rab & Thierry Lemenand & Mahmoud Khaled, 2021. "Energy Recovery in Air Conditioning Systems: Comprehensive Review, Classifications, Critical Analysis, and Potential Recommendations," Energies, MDPI, vol. 14(18), pages 1-31, September.
    6. Anna Romanska-Zapala & Mark Bomberg & Miroslaw Dechnik & Malgorzata Fedorczak-Cisak & Marcin Furtak, 2019. "On Preheating of the Outdoor Ventilation Air," Energies, MDPI, vol. 13(1), pages 1-12, December.
    7. Miłosz Raczyński & Radosław Rutkowski, 2020. "How Pro-Environmental Legal Regulations Affect the Design Process and Management of Multi-Family Residential Buildings in Poland," Energies, MDPI, vol. 13(20), pages 1-23, October.
    8. Delia D’Agostino & Danny Parker & Ilenia Epifani & Dru Crawley & Linda Lawrie, 2022. "Datasets on Energy Simulations of Standard and Optimized Buildings under Current and Future Weather Conditions across Europe," Data, MDPI, vol. 7(5), pages 1-18, May.
    9. Taurines, Kevin & Giroux-Julien, Stéphanie & Farid, Mohammed & Ménézo, Christophe, 2021. "Numerical modelling of a building integrated earth-to-air heat exchanger," Applied Energy, Elsevier, vol. 296(C).

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