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Energies
Volume 13
Issue 24
10.3390/en13246693
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Article

Analysis of the Influence of Reducing the Duration of a Thermal Response Test in a Water-Filled Geothermal Borehole Located in Spain

by
Ignacio Martín Nieto
,
Cristina Sáez Blázquez
*,
Arturo Farfán Martín
and
Diego González-Aguilera
Department of Cartographic and Land Engineering, University of Salamanca, Higher Polytechnic School of Avila, Hornos Caleros 50, 05003 Avila, Spain
*
Author to whom correspondence should be addressed.
Energies 2020, 13(24), 6693; https://doi.org/10.3390/en13246693
Submission received: 13 November 2020 / Revised: 14 December 2020 / Accepted: 16 December 2020 / Published: 18 December 2020
(This article belongs to the Section H: Geo-Energy)
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Abstract

Usually thermal response tests are restricted to big geothermal projects; the high investment makes them less suitable for designing domestic low-enthalpy geothermal energy systems. The work here presented aims to study the influence of time reduction in thermal response tests on their precision. Due to the importance of the correct assessment of the thermal characterization of the ground for any kind of geothermal system, time reduction in this essay could make it more affordable to be implemented in some domestic systems. A thermal response test has been implemented, and several time intervals of the test have been considered in order to obtain different results for the thermal conductivity of the ground. The mentioned results have been then compared and also the domestic geothermal systems designed from them by the use of the geothermal software GES-CAL. Results have shown that, in some cases (our testing borehole has some singular characteristics), a significant time reduction in the data acquisition process of the thermal response test does not compromise seriously the precision of the results.
Keywords: thermal response test; low-enthalpy geothermal systems; ground thermal conductivity; software GES-CAL thermal response test; low-enthalpy geothermal systems; ground thermal conductivity; software GES-CAL

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MDPI and ACS Style

Nieto, I.M.; Blázquez, C.S.; Martín, A.F.; González-Aguilera, D. Analysis of the Influence of Reducing the Duration of a Thermal Response Test in a Water-Filled Geothermal Borehole Located in Spain. Energies 2020, 13, 6693. https://doi.org/10.3390/en13246693

AMA Style

Nieto IM, Blázquez CS, Martín AF, González-Aguilera D. Analysis of the Influence of Reducing the Duration of a Thermal Response Test in a Water-Filled Geothermal Borehole Located in Spain. Energies. 2020; 13(24):6693. https://doi.org/10.3390/en13246693

Chicago/Turabian Style

Nieto, Ignacio Martín, Cristina Sáez Blázquez, Arturo Farfán Martín, and Diego González-Aguilera. 2020. "Analysis of the Influence of Reducing the Duration of a Thermal Response Test in a Water-Filled Geothermal Borehole Located in Spain" Energies 13, no. 24: 6693. https://doi.org/10.3390/en13246693

APA Style

Nieto, I. M., Blázquez, C. S., Martín, A. F., & González-Aguilera, D. (2020). Analysis of the Influence of Reducing the Duration of a Thermal Response Test in a Water-Filled Geothermal Borehole Located in Spain. Energies, 13(24), 6693. https://doi.org/10.3390/en13246693

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