Issue |
E3S Web of Conf.
Volume 544, 2024
8th International Symposium on Deformation Characteristics of Geomaterials (IS-Porto 2023)
|
|
---|---|---|
Article Number | 18002 | |
Number of page(s) | 7 | |
Section | Practical Prediction and Interpretation of Ground Response: Field Observation and Case Histories - Performance Evaluation of Geotechnical Structures | |
DOI | https://doi.org/10.1051/e3sconf/202454418002 | |
Published online | 02 July 2024 |
Assessing the potential of using geothermal energy in buildings: Parametric analysis
1 University of Aveiro. Civil Engineering Department
2 RISCO-Research Centre for Risks and Sustainability in Construction, Civil Engineering Department, University of Aveiro
3 Geotechnics Department, LNEC – National Laboratory of Civil Engineering
4 Department of Energy Resources, University of Stavanger, Norway
* Batool Ajeeb: ajeebbatool@ua.pt
For the development of more energy-efficient buildings, pursuing comprehensive sustainable solutions can help decrease greenhouse gas emissions, and using natural resources sustainably and at low cost are challenging objectives for the achievement of the United Nations (UN) sustainable development goals. In this context, the main objective of this research is the evaluation of the energy-efficiency improvement of shallow geothermal systems, based on one case study building located at Aveiro University. The present research undertakes the improvement of several parameters with influence on the shallow geothermal systems efficiency, using as a demonstrator a university building in Aveiro University, the CCCI department building. The performed work was developed in three phases: (i) the acquisition of vertical temperature profiles in 15 exploration boreholes, (ii) the simulation of the buildings’ energy needs using EnergyPlus® software, and (iii) the evaluation of the energy demand of the geothermal system using HYGCHP® software. A sensitivity analysis was carried out with HYGCHP® by changing several parameters (average ground temperature, soil thermal conductivity, pipe radius, and total installation length) to assess the reduction potential of the annual energy consumption. Combining different parameters in the design phase allows a considerable reduction in the annual energy consumption. Two parameters are highlighted with a higher influence: the soil thermal conductivity and the average soil temperature (measured in the boreholes). A synthesis of the simulations carried out will lead to concrete recommendations and guidelines for future planning actions regarding geothermal systems installation to ensure sustainable use conditions, comfort, and health in the campus environment.
Key words: Geothermal energy / HYGCHP software / Sustainable buildings / Parametric analysis
© The Authors, published by EDP Sciences, 2024
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
Current usage metrics show cumulative count of Article Views (full-text article views including HTML views, PDF and ePub downloads, according to the available data) and Abstracts Views on Vision4Press platform.
Data correspond to usage on the plateform after 2015. The current usage metrics is available 48-96 hours after online publication and is updated daily on week days.
Initial download of the metrics may take a while.