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Volume 15
Issue 10
10.3390/app15105591
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This is an early access version, the complete PDF, HTML, and XML versions will be available soon.
Article

Modeling Thermal Interference Between Shallow Geothermal Boreholes Using TRNSYS: Application to the Q-Thermie-Uniovi Boreholes (Asturias, Spain)

by
M. P. Castro-García
1,*,
S. Norniella-Llaneza
2,
T. Fernández-González
2,
Y. Centeno-Idiáñez
2 and
T. Alonso-Sánchez
3
1
Department of Energy, University of Oviedo, 33203 Gijón, Spain
2
Chair HUNOSA Research Center, University of Oviedo, 33600 Mieres, Spain
3
Department of Mining Exploitation and Prospecting, University of Oviedo, 33600 Mieres, Spain
*
Author to whom correspondence should be addressed.
Appl. Sci. 2025, 15(10), 5591; https://doi.org/10.3390/app15105591
Submission received: 25 March 2025 / Revised: 22 April 2025 / Accepted: 11 May 2025 / Published: 16 May 2025
(This article belongs to the Section Applied Thermal Engineering)
Versions Notes

Abstract

This study presents the implementation of a new Type for TRNSYS based on the integral exponential function, which is fundamental in subsurface heat transfer modeling. This function can be expressed as a series expansion, and the developed Type enables the representation of multiple terms in this expansion. To validate its accuracy, the model’s results are compared with experimental data from two geothermal boreholes located in Asturias, Spain: Q-Thermie-Uniovi 1 and Q-Thermie-Uniovi 2. These boreholes, spaced 7.3 m apart and each 48 m deep, were used in a thermal response test, where Q-Thermie-Uniovi 1 underwent thermal injection while temperature measurements were recorded in Q-Thermie-Uniovi 2 over a period of three months. This study evaluates how the number of terms in the series expansion influences the model’s accuracy and demonstrates that the newly developed Type effectively replicates experimental data. This work provides a robust tool for optimizing the design of geothermal systems and enhancing the understanding of subsurface heat transfer dynamics.
Keywords: TRNSYS; thermal; interference; boreholes; type 1410 TRNSYS; thermal; interference; boreholes; type 1410

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MDPI and ACS Style

Castro-García, M.P.; Norniella-Llaneza, S.; Fernández-González, T.; Centeno-Idiáñez, Y.; Alonso-Sánchez, T. Modeling Thermal Interference Between Shallow Geothermal Boreholes Using TRNSYS: Application to the Q-Thermie-Uniovi Boreholes (Asturias, Spain). Appl. Sci. 2025, 15, 5591. https://doi.org/10.3390/app15105591

AMA Style

Castro-García MP, Norniella-Llaneza S, Fernández-González T, Centeno-Idiáñez Y, Alonso-Sánchez T. Modeling Thermal Interference Between Shallow Geothermal Boreholes Using TRNSYS: Application to the Q-Thermie-Uniovi Boreholes (Asturias, Spain). Applied Sciences. 2025; 15(10):5591. https://doi.org/10.3390/app15105591

Chicago/Turabian Style

Castro-García, M. P., S. Norniella-Llaneza, T. Fernández-González, Y. Centeno-Idiáñez, and T. Alonso-Sánchez. 2025. "Modeling Thermal Interference Between Shallow Geothermal Boreholes Using TRNSYS: Application to the Q-Thermie-Uniovi Boreholes (Asturias, Spain)" Applied Sciences 15, no. 10: 5591. https://doi.org/10.3390/app15105591

APA Style

Castro-García, M. P., Norniella-Llaneza, S., Fernández-González, T., Centeno-Idiáñez, Y., & Alonso-Sánchez, T. (2025). Modeling Thermal Interference Between Shallow Geothermal Boreholes Using TRNSYS: Application to the Q-Thermie-Uniovi Boreholes (Asturias, Spain). Applied Sciences, 15(10), 5591. https://doi.org/10.3390/app15105591

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