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Online ground temperature and soil moisture monitoring of a shallow geothermal system with non-conventional components

  • We present first results from a newly developed monitoring station for a closed loop geothermal heat pump test installation at our campus, consisting of helix coils and plate heat exchangers, as well as an ice-store system. There are more than 40 temperature sensors and several soil moisture content sensors distributed around the system, allowing a detailed monitoring under different operating conditions.In the view of the modern development of renewable energies along with the newly concepts known as Internet of Things and Industry 4.0 (high-tech strategy from the German government), we created a user-friendly web application, which will connect the things (sensors) with the open network (www). Besides other advantages, this allows a continuous remote monitoring of the data from the numerous sensors at an arbitrary sampling rate.Based on the recorded data, we will also present first results from numerical simulations, taking into account all relevant heat transport processes.The aim is to improve the understanding of these processes and their influence on the thermal behavior of shallow geothermal systems in the unsaturated zone. This will in turn facilitate the prediction of the performance of these systems and therefore yield an improvement in their dimensioning when designing a specific shallow geothermal installation.

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Author:Ludwin Duran Paredes, Darius MottaghyORCiD, Ulf HerrmannORCiD, Rolf Fritz GroßORCiD
DOI:https://doi.org/10.5194/egusphere-egu2020-19052
Parent Title (English):EGU General Assembly 2020
Document Type:Conference Proceeding
Language:English
Year of Completion:2020
Date of the Publication (Server):2023/09/13
Note:
EGU General Assembly 2020, Online, 4–8 May 2020
Link: https://doi.org/10.5194/egusphere-egu2020-19052
Zugriffsart:weltweit
Institutes:FH Aachen / ECSM European Center for Sustainable Mobility
FH Aachen / Fachbereich Bauingenieurwesen
FH Aachen / Fachbereich Energietechnik
FH Aachen / Kommission für Forschung und Entwicklung
FH Aachen / Solar-Institut Jülich
open_access (DINI-Set):open_access
Licence (German): Creative Commons - Namensnennung