Advances in Geothermal Water and Energy

A special issue of Water (ISSN 2073-4441). This special issue belongs to the section "Water-Energy Nexus".

Deadline for manuscript submissions: 19 September 2024 | Viewed by 193

Special Issue Editor


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Guest Editor
Department of Energy, Politecnico di Milano, Milano, Italy
Interests: watershed management; multiphase flow in porous media; rainwater harvesting and consumption; soil contamination/remediation; underground hydrogen storage; underground carbon storage; underground thermal energy storage; inverse modelling; uncertainty assessment; high-performance computing

Special Issue Information

Dear Colleagues,

With the increasing share of renewable energy in the power generation sector, searching for storage technologies of renewably produced energy has begun. Subsurface systems have shown significant potential to be used as thermal storage media. Evaluating the potential of geothermal resources is a multifaceted challenge requiring interdisciplinary expertise, with hydrogeology playing a pivotal role. The present Special Issue gravitates towards elucidating the influence of inherent shallow aquifer characteristics on the efficiency of installing underground thermal energy storage (UTES) systems. The most popular technologies of UTES currently available in the market include, but are not limited to, low- and high-temperature aquifer thermal energy storage (ATES), borehole thermal energy storage (BTES), pit thermal energy storage (PTES), tank thermal energy storage (TTES), and cavern thermal energy storage (CTES).

Original research/review papers referring to theoretical, experimental, or numerical studies relevant to UTES are welcome to be submitted to the present Special Issue.

Dr. Ehsan Ranaee
Guest Editor

Manuscript Submission Information

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Keywords

  • clean energy
  • hydrogeology
  • seasonal heating and cooling supply
  • underground thermal energy storage (UTES)
  • aquifer thermal energy storage (ATES)
  • borehole thermal energy storage (BTES)
  • pit thermal energy storage (PTES)
  • tank thermal energy storage (TTES)
  • cavern thermal energy storage (CTES)

Published Papers (1 paper)

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Research

21 pages, 7075 KiB  
Article
Groundwater Potential for the Utilisation of Shallow Geothermal Energy from a Closed Coal Mine
by Željko Vukelić and Jurij Šporin
Water 2024, 16(11), 1572; https://doi.org/10.3390/w16111572 - 30 May 2024
Abstract
In accordance with the programme of closure works and the implementation of ecological spatial rehabilitation in the area of the Slovenian coal mine Trbovlje–Hrastnik (RTH), there is a great opportunity to exploit shallow geothermal energy from water and ground sources. In the RTH [...] Read more.
In accordance with the programme of closure works and the implementation of ecological spatial rehabilitation in the area of the Slovenian coal mine Trbovlje–Hrastnik (RTH), there is a great opportunity to exploit shallow geothermal energy from water and ground sources. In the RTH area, there is great energy potential in the utilisation of underground water and heat from the earth. In our research, we have focussed on the use of geothermal energy with heat pumps from groundwater (water/water system) and from ground collectors and wells up to a depth of 150 m (rock/water system). With the water/water system, we have an average of 2.7 MW of thermal energy available, with the rock/water system having 7.5 kW of thermal energy from a 150 m deep well. With the rock/water system in particular, the development of an industrial zone in the RTH area can also provide for a greater demand for thermal energy. The thermal energy obtained in this way is utilised via heat pumps to heat and cool commercial, residential and industrial buildings. The utilisation of shallow geothermal energy can make a major contribution to carbon neutrality, as the use of geothermal energy has no negative impact on the environment and causes no greenhouse gas emissions. The aim of the paper is to provide an overview of the methods used to analyse heat storage in aquifers of abandoned coal mines, to represent these storages in RTH with a basic mathematical–statistical inventory of what is happening in the aquifer, and to investigate the possibility of using shallow geothermal energy with the help of modelling the use of shallow geothermal energy. The results and analyses obtained can make an important scientific contribution to the use of geothermal energy from abandoned and closed mines. Full article
(This article belongs to the Special Issue Advances in Geothermal Water and Energy)
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