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Experimental and modelling analysis of an office building HVAC system based in a ground-coupled heat pump and radiant floor

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  • Villarino, José Ignacio
  • Villarino, Alberto
  • Fernández, Francisco Ángel

Abstract

This paper shows the evaluation of the performance of a ground-coupled heat pump system monitored building providing heating, ventilating and air conditioning to an office building located in Madrid, in Spain. The system consists of one borehole exchanger, heat pump unit, radiant floor system, mechanical ventilation and data control system. A simulation model was performed with EnergyPlus software and validated. The analyzed period corresponds to the most unfavorable weather conditions in heating and cooling mode. The coefficient of performance obtained in heating and cooling mode was 3.86/5.29, considering all the energy consumption elements of the building and the thermal demand corresponding to an office operation. The CO2 emissions obtained with a value of 34.68kg corresponding to the period analyzed represents a low CO2 emission system. The monitored temperatures reached set point values of 22°C/25°C, considered as acceptable comfort temperatures. The values obtained in the validated simulation model presented a deviation of 2% respected experimental results in heating and cooling mode. A comparative of COPsys and CO2 emissions with other technologies is performed in order to analyze GCHP compared to other available technologies. The GCHP system is presented as a technology that can fully supply the HVAC conditions for a building and environmentally friendly.

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  • Villarino, José Ignacio & Villarino, Alberto & Fernández, Francisco Ángel, 2017. "Experimental and modelling analysis of an office building HVAC system based in a ground-coupled heat pump and radiant floor," Applied Energy, Elsevier, vol. 190(C), pages 1020-1028.
    • Handle: RePEc:eee:appene:v:190:y:2017:i:c:p:1020-1028
    DOI: 10.1016/j.apenergy.2016.12.152
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    References listed on IDEAS

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    Cited by:

    1. Georgios Martinopoulos & Anna Serasidou & Panagiota Antoniadou & Agis M. Papadopoulos, 2018. "Building Integrated Shading and Building Applied Photovoltaic System Assessment in the Energy Performance and Thermal Comfort of Office Buildings," Sustainability, MDPI, vol. 10(12), pages 1-24, December.
    2. Kayaci, Nurullah, 2020. "Energy and exergy analysis and thermo-economic optimization of the ground source heat pump integrated with radiant wall panel and fan-coil unit with floor heating or radiator," Renewable Energy, Elsevier, vol. 160(C), pages 333-349.
    3. Chen, Wenjing & Chan, Ming-yin & Weng, Wenbing & Yan, Huaxia & Deng, Shiming, 2018. "An experimental study on the operational characteristics of a direct expansion based enhanced dehumidification air conditioning system," Applied Energy, Elsevier, vol. 225(C), pages 922-933.
    4. Bodys, Jakub & Hafner, Armin & Banasiak, Krzysztof & Smolka, Jacek & Ladam, Yves, 2018. "Design and simulations of refrigerated sea water chillers with CO2 ejector pumps for marine applications in hot climates," Energy, Elsevier, vol. 161(C), pages 90-103.
    5. Biglarian, Hassan & Abbaspour, Madjid & Saidi, Mohammad Hassan, 2018. "Evaluation of a transient borehole heat exchanger model in dynamic simulation of a ground source heat pump system," Energy, Elsevier, vol. 147(C), pages 81-93.

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