The Study of Soil Temperature Distribution for Very Low-Temperature Geothermal Energy Applications in Selected Locations of Temperate and Subtropical Climate

Tomasz Janusz Teleszewski, Dorota Anna Krawczyk, Jose María Fernandez-Rodriguez, Angélica Lozano-Lunar and Antonio Rodero
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Tomasz Janusz Teleszewski: Department of HVAC Engineering, Bialystok University of Technology, 15-351 Bialystok, Poland
Dorota Anna Krawczyk: Department of HVAC Engineering, Bialystok University of Technology, 15-351 Bialystok, Poland
Jose María Fernandez-Rodriguez: Facultad de Ciencias, Campus de Rabanales, Edificio Marie Curie, 14071 Córdoba, Spain
Angélica Lozano-Lunar: Facultad de Ciencias, Campus de Rabanales, Edificio Marie Curie, 14071 Córdoba, Spain
Antonio Rodero: Grupo de Física de Plasma: Modelos, Diagnosis y Aplicaciones, Universidad de Córdoba, Campus of Rabanales, Ed. Albert Einstein, 14071 Córdoba, Spain

Energies, 2022, vol. 15, issue 9, 1-19

Abstract: The publication presents the results of research on soil temperature distribution at a depth of 0.25–3 m in three measurement locations. Two boreholes were located in Białystok in the temperate climatic zone and one measuring well was installed in Belmez in the subtropical climatic zone. Measurements were made in homogeneous soil layers in sand (Białystok) and in clay (Białystok and Belmez). Based on the results of the measurements, a simplified model of temperature distributions as a function of depth and the number of days in a year was developed. The presented model can be used as a boundary condition to determine heat losses of district heating pipes located in the ground and to estimate the thermal efficiency of horizontal heat exchangers in very low-temperature geothermal energy applications.

Keywords: ground temperature distribution; horizontal heat exchangers; pre-insulated heating pipes; very low temperature geothermal energy; temperate climate; subtropical climate (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2022
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