Evaluación del potencial de acuíferos de baja transmisividad para sistemas de almacenamiento de energía térmica en acuíferos: un estudio de caso en Flandes (Bélgica) 低传导系数含水层地下储能系统的潜力评估：以比利时弗兰德地区为例 Avaliação do potencial de aquíferos de baixa transmissividade para sistemas de armazenamento de energia térmica: um estudo de caso em Flandres (Bélgica) Evaluation du potentiel des aquifères à faible transmissivité pour les systèmes de stockage d’énergie thermique en aquifère: un cas d’étude en Flandres (Belgique) Assessing the potential of low-transmissivity aquifers for aquifer thermal energy storage systems: a case study in Flanders (Belgium)
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Medientyp:
E-Artikel
Titel:
Evaluación del potencial de acuíferos de baja transmisividad para sistemas de almacenamiento de energía térmica en acuíferos: un estudio de caso en Flandes (Bélgica) 低传导系数含水层地下储能系统的潜力评估：以比利时弗兰德地区为例 Avaliação do potencial de aquíferos de baixa transmissividade para sistemas de armazenamento de energia térmica: um estudo de caso em Flandres (Bélgica) Evaluation du potentiel des aquifères à faible transmissivité pour les systèmes de stockage d’énergie thermique en aquifère: un cas d’étude en Flandres (Belgique) Assessing the potential of low-transmissivity aquifers for aquifer thermal energy storage systems: a case study in Flanders (Belgium)
Beteiligte:
Tas, Luka;
Simpson, David;
Hermans, Thomas
Erschienen:
Springer Science and Business Media LLC, 2023
Erschienen in:
Hydrogeology Journal, 31 (2023) 8, Seite 2363-2380
Sprache:
Englisch
DOI:
10.1007/s10040-023-02696-5
ISSN:
1431-2174;
1435-0157
Entstehung:
Anmerkungen:
Beschreibung:
AbstractThe Member States of the European Union pledged to reduce greenhouse gas emissions by 80–95% by 2050. Shallow geothermal systems might substantially contribute by providing heating and cooling in a sustainable way through seasonally storing heat and cold in the shallow ground (<200 m). When the minimum yield associated with the installation of a cost-effective aquifer thermal energy storage (ATES) system cannot be met, borehole thermal energy storage, relying mostly on the thermal conductivity of the ground, is proposed. However, for large-scale applications, this requires the installation of hundreds of boreholes, which entails a large cost and high disturbance of the underground. In such cases, ATES systems can nevertheless become interesting. This paper presents a case study performed on a Ghent University campus (Belgium), where the feasibility of ATES in an area with a low transmissivity was determined. The maximum yield of the aquifer was estimated at 5 m3/h through pumping tests. Although this low yield was attributed to the fine grain size of the aquifer, membrane filtering index tests and long-term injection tests revealed that the clogging risk was limited. A groundwater model was used to optimize the well placement. It was shown that a well arrangement in a checkerboard pattern was most effective to optimize the hydraulic efficiency while maintaining the thermal recovery efficiency of the ATES system. Hence, for large-scale projects, efficient thermal energy storage can also be achieved using a (more cost-effective) ATES system even in low-permeability sediments.