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DOI: 10.1016/j.est.2023.110055 Corpus ID: 266306210 Technical feasibility of lined mining tunnels in closed coal mines as underground reservoirs of compressed air energy storage systems Million cubic meters from abandoned mines worldwide could be used as
Types of underground energy storage chambers. 1 - Salt cavern, typically solution mined from a salt deposit, 2 - Aquifer storage, the air is injected into a permeable rock displacing water and capped by a cap rock, 3 - Lined rock cavern, a specifically excavated chamber then lined with a material to ensure hermeticity, 4 - Depleted gas
Flooded mines constitute groundwater reservoirs that can be exploited with geothermal heat pump systems. Modelling such a reservoir is challenging because groundwater flow and heat transport equations need to be solved within the complex geometry of mine workings. To address this challenge, we developed a tridimensional
This study aimed to identify impacts of changes in subsurface environments on the thermal energy storage performance of un-derground tunnels used as heat exchangers. The
Determining the airtightness of compressed air energy storage (CAES) tunnels is crucial for the selection and the design of the flexible sealing layer (FSL). However, the current airtightness calculations for flexible sealed CAES tunnels often ignore the process of high-pressure air penetration and accumulation in the lining and
A novel cold energy storage method of PCM plates based on tunnel lining GHEs was proposed by our research team [16], which contributes to the geothermal energy utilization and energy storage. PCM plates filled with the cold energy can serve the cooling requirements of high geo-temperature tunnels and other underground spaces.
To evaluate the stability of a lined rock cavern (LRC) for compressed air energy storage (CAES) containing a weak interlayer during blasting in the adjacent cavern, a newly excavated tunnel-type LRC was taken as the research object. By combining similar model tests and numerical simulation, the dynamic responses and deformation
large-capacity compressed air energy storage, and, at the same time, promote 100 MW level compressed air energy storage projects. Regarding the practice of using abandoned coal mines for gas storage, in 2019, the Yungang coal mine in
Compressed air energy storage (CAES) is a buffer bank for unstable new energy sources and traditional power grids. The stability of a CAES cavern is a key issue to cavern safety. However, the stability of a cavern from an abandoned mining
The research results show that compared with the conventional compressed air energy storage system, the mine compressed air energy storage system based on stepped gas compression can increase the power generation efficiency by 3%-9% and the energy storage density by 27.5%~409.5%.
Coupled thermodynamic and thermomechanical modelling was implemented for compressed air energy storage (CAES) in mine tunnels using the technique of lined rock cavern
Technical feasibility of lined mining tunnels in closed coal mines as underground reservoirs of compressed air energy storage systems Author links open overlay panel Falko Schmidt a, Javier Menéndez b, Heinz Konietzky c, Zhongming Jiang d, Jesús M. Fernández-Oro e, Laura Álvarez f, Antonio Bernardo-Sánchez f
Determining the airtightness of compressed air energy storage (CAES) tunnels is crucial for the selection and the design of the flexible sealing layer (FSL). However, the current airtightness calculations for flexible sealed CAES tunnels often ignore the process of high-pressure air penetration and accumulation in the lining and surrounding rock after
： Coupled thermodynamic and thermomechanical modelling was implemented for compressed air energy storage (CAES) in mine tunnels using the technique of lined rock cavern (LRC).Thermodynamic performance considering real air thermophysical properties
Menéndez et al. [35] proposed that abandoned mine tunnel space can be used for hydraulic energy storage while simultaneously extracting mine water and heat. Calculations show that the emission coefficient of energy use from mine water and heat is only 0.048 kg CO 2 kWh −1, which is considerably lower than that of natural gas and oil
In this sense, the top of the caverns should be reinforced when an abandoned coal mine tunnel is transformed into an energy storage cavern. Generally, the displacement of the cavern increases slightly after long-term operation, but this displacement increment does not affect the overall stability of the cavern.
Full-face tunnel boring machine (TBM) tunnelling has unparalleled advantages over conventional drill-and-blast (D&B) techniques in terms of higher advance rates and lower risk levels in favourable ground conditions. However, there are only a few successful TBM applications in mines. The aim of this paper is to discuss the technical
This study focuses on the renovation and construction of compressed air energy storage chambers within abandoned coal mine roadways. The transient mechanical responses of underground gas storage chambers under a cycle are analyzed through thermal-solid coupling simulations. These simulations highlight changes in key
As a large-scale energy storage technology, compressed air energy storage (CAES) has the advantages of high efficiency and high reliability. This paper analyzed the feasibility of CAES cavern constructed in salt mine with multi-interlayer in Zhangshu, Jiangxi Province.
： Compressed air energy storage (CAES) is a buffer bank for unstable new energy sources and traditional power grids. The stability of a CAES cavern is a key issue to cavern safety. However, the stability of a cavern from an abandoned mining tunnel has not
Compressed air energy storage (CAES) in underground mine tunnels using the technique of lined rock cavern (LRC) provides a promising solution to large-scale energy storage. A coupled thermodynamic and thermomechanical modelling for CAES in mine tunnels was implemented. Thermodynamic analysis of air during CAES operation
Introduced utility-scale wind turbine with energy storage integrated with diesel generators at the mine. Project evaluates three technologies: flywheel, lithium-ion battery, and electrolyser with fuel cell and hydrogen tanks. Designed and implemented the Hatch Microgrid (HμGrid), which monitors demand for wind power and supply variations, and
DOI: 10.1016/J.JRMGE.2015.09.006 Corpus ID: 7630619; Design issues for compressed air energy storage in sealed underground cavities @article{Perazzelli2016DesignIF, title={Design issues for compressed air energy storage in sealed underground cavities}, author={Paolo Perazzelli and Georgios Anagnostou}, journal={Journal of rock mechanics
One promising energy-storage and power-generation technology, compressed air energy storage (CAES), is regarded as suitable for renewable energy (Kushnir et al 2012b). CAES has unique advantages over other energy storage patterns such as lower maintenance costs and capital investment (Raju and Khaitan 2012 ).
1. Introduction. In a world characterized by massive and increasing thermal energy needs for space conditioning and hot water production [1], the storage and utilization of excess and waste thermal energy are becoming priorities of comparable importance to the harvesting of renewable energy offsetting the mismatch between
The return air flow of the mine tunnel returns to the surface from the return air shaft with a diameter of 4 m on the right. In Case 1, Energy from closed mines: Underground energy storage and geothermal applications
Pyhäsalmi Mine is the deepest base metal mine in Europe, having a depth of 1,444 metres or 4,738 feet.: 5 It is located at the Pyhäjärvi municipality in the south of Northern Ostrobothnia province, Finland.The zinc and copper mine is owned by First Quantum Minerals, a Canadian mining corporation.. The mine was due to be shut down in 2019,
To date, some scholars have utilized phase change materials (PCMs) to cool or adjust the ambient temperature inside tunnels and other underground structures. Yu et al. [14] discovered that PCM structures installed inside a tunnel could reduce the air temperature within the tunnel and remove 56.9% of the heat emitted by trains.. Xu et al.
A novel cold energy storage method of PCM plates based on tunnel lining GHEs was proposed by our research team [16], which contributes to the geothermal energy utilization and energy storage. PCM plates filled with the cold energy can serve the cooling requirements of high geo-temperature tunnels and other underground spaces.
Compressed air energy storage (CAES) in underground mine tunnels using the technique of lined rock cavern (LRC) provides a promising solution to large-scale energy storage. A coupled thermodynamic and thermomechanical modelling for CAES in mine tunnels was implemented.
Thermodynamic Analysis of Compressed Air Energy Storage (CAES) Reservoirs in Abandoned Mines Using Different Sealing Layers March 2021 Applied Sciences 11(6):2573
DOI: 10.1016/J.JRMGE.2015.09.006 Corpus ID: 7630619 Design issues for compressed air energy storage in sealed underground cavities @article{Perazzelli2016DesignIF, title={Design issues for compressed air energy storage in sealed underground cavities}, author={Paolo Perazzelli and Georgios Anagnostou}, journal={Journal of rock mechanics
In this paper, abandoned mines are proposed as underground reservoirs for large scale energy storage systems. A 200 m 3 tunnel in an abandoned coal mine was investigated as compressed air
The results suggest that the seasonal thermal energy storage of rock-pit is able to assist thermal management in underground mine and to reduce energy consumption for winter heating and summer cooling. The ventilation air temperature is about 15–20 °C higher/lower as compared to ambient temperature in winter/summer,
This work focuses on tunnels equipped with ground heat exchangers, typically called energy tunnels, to serve as seasonal, medium-temperature underground thermal energy
Coupled thermodynamic and thermomechanical modelling for compressed air energy storage in underground mine tunnels. Xiuxiu Miao, Kai Zhang, +4 authors. Qingliang Chen. Published in International Journal of Rock 1
As the address types of underground gas storage, the existing compressed air energy storage projects or future ideas can be divided into the following four types: rock salt caves [15], artificially excavated hard rock caverns [16], abandoned mines and roadways
Compressed air energy storage (CAES) in underground mine tunnels using the technique of lined rock cavern (LRC) provides a promising solution to large-scale energy storage.
This compressed air can be released on demand to produce electrical energy via a turbine and generator. This chapter describes various plant concepts for the large-scale storage of compressed air and presents the options for underground storage and their suitability in accordance with current engineering practice.
In this paper, four mining levels in a closed coal mine in the Asturian Central Coal Basin (NW Spain) have been selected as a case study to investigate the technical
DOI: 10.1016/j pgeo.2023.105329 Corpus ID: 257209998 Fracture initiation and propagation in the lined underground caverns for compressed air energy storage: Coupled thermo-mechanical phase-field modeling @article{Xia2023FractureIA, title={Fracture
Technical feasibility of lined mining tunnels in closed coal mines as underground reservoirs of compressed air energy storage Journal of Energy Storage ( IF 9.4) Pub Date : 2023-12-12, DOI: 10. Falko Schmidt, Javier Menéndez, Heinz Konietzky, Zhongming Jiang, Jesús M. Fernández-Oro, Laura Álvarez, Antonio Bernardo-Sánchez
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