Divergence between elastic plane strain analysis and 3D elastoplastic damage analysis in predicting mechanical behaviour was unveiled. Compressed air …
Learn MoreThermodynamic Analysis of Compressed Air Energy Storage (CAES) Reservoirs in Abandoned Mines Using Different Sealing Layers March 2021 Applied Sciences 11(6):2573
Learn MoreOperationally, abandoned coal mines may safely store compressed air if the shafts and drifts are completely sealed from remaining coal seams to mitigate risks of tunnel wall leaks and...
Learn MoreThis paper deals with underground storage part in CAES concept and lists benefits related to the storage of air in abandoned coal mines. Examples of natural gas …
Learn MoreIn 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 …
Learn MoreEnergies (Feb 2024) A Study on the Transient Response of Compressed Air Energy Storage in the Interaction between Gas Storage Chambers and Horseshoe-Shaped Tunnels in an Abandoned Coal Mine
Learn MoreAbstract. The article gives a brief overview of current developments and projects of Compressed Air Energy Storage (CAES). Typical CAES configurations such as Adiabatic CAES and Diabatic CAES are described. The concept of air storage in isolated workings of closed coal mine is presented taking into account availability of such places …
Learn MoreSemantic Scholar extracted view of "Coupled thermodynamic and thermomechanical modelling for compressed air energy storage in underground mine tunnels" by Xiuxiu Miao et al. DOI: 10.1016/j.ijrmms.2024.105717 Corpus ID: 268625712 Coupled thermodynamic ...
Learn MoreWe have studied three plans for re-use of the abandoned mine roadway tunnels as an energy center. These are the thermostat plan, the thermal accumulator plan, and the CAES plan. Calculations show that the thermostat plan can provide over 15,000 m 2 of building air-conditioning/heating load for each kilometer of roadway, but electric power …
Learn MoreThe use of abandoned coal mine tunnels as underground compressed air energy storage (CAES) facilities has garnered significant attention given that it effectively repurposes unused underground space and enhances the efficiency of renewable energy utilization.
Learn MoreLuo et al. [79] proposed the early idea of using abandoned coal mines for energy storage to address the need for grid peaking and valley filling in the urbanization of developed mining areas in ...
Learn MoreSemantic Scholar extracted view of "Three-dimensional thermo-mechanical analysis of abandoned mine drifts for underground compressed air energy storage: A comparative study of two construction and plugging schemes" by Yingjun Xu et al. DOI: 10.1016/J.EST.2021.102696
Learn MoreBecause the abandoned mine tunnels and cavities have features, such as stable environmental conditions, high security for high-pressure storage (hundreds to thousands of meters depth underground), and low cost (compared with …
Learn MoreThere are more than one million abandoned mines around the world. A large number of voids from closed mines are proposed as pressurized air reservoirs for energy storage systems. A network of tunnels from an underground coal mine in northern Spain at 450 m ...
Learn MoreDOI: 10.1016/J.RENENE.2019.07.034 Corpus ID: 198482513 A coupled thermo-hydro-mechanical model for evaluating air leakage from an unlined compressed air energy storage cavern This study focuses on the renovation and construction of …
Learn MoreIn 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 …
Learn MoreA simplified scheme of an A-CAES plant in a closed mine is shown in Fig. 1 a.The study area is located in the Asturian Central Coal Basin (ACCB), NW Spain. Fig. 1 b shows the 370 m thick modeled lithological sequence considering two mining levels and the existing formations in the study area (sandstone, shale and coal seams). ). The cross …
Learn MoreExploring the development of CAES technology in underground space is one of the innovative approaches to achieve China''s "dual-carbon" goal. Underground energy …
Learn MoreWe have studied three plans for re-use of the abandoned mine roadway tunnels as an energy center. These are the thermostat plan, the thermal accumulator plan, and the CAES plan. Calculations show that the thermostat plan can provide over 15,000 m 2 of building air-conditioning/heating load for each kilometer of roadway, but electric power …
Learn MoreHorseshoe-Shaped Tunnels in an Abandoned Coal Mine Fuqing Li 1,2, Fufeng Li 3, Rui Sun 4,*, Jianjie Zheng 1,5, Xiaozhao Li 1,2 ... underground gas storage chambers for compressed air energy ...
Learn MoreAn overview of potential benefits and limitations of Compressed Air Energy Storage in abandoned coal mines Marcin Lutyński 1 Published under licence by IOP Publishing Ltd IOP Conference Series: Materials Science and Engineering, Volume 268, The Role of Polish Coal in the National and European Energy Sector 19–21 June 2017, …
Learn MoreAppl. Sci. 2021, 11, 2573 3 of 19 in Germany to install an A-CAES plant with a storage capacity of 360 MWh and output power of 90 MW [2]. In this paper, abandoned mines are proposed as underground ...
Learn MoreAppl. Sci. 2021, 11, 2573 3 of 19 in Germany to install an A-CAES plant with a storage capacity of 360 MWh and output power of 90 MW [2]. In this paper, abandoned mines are proposed as underground reservoirs for large scale energy storage systems. A 200 m3 tunnel in an abandoned coal mine was investigated ...
Learn MoreCompressed 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 …
Learn MoreCompressed air energy storage (CAES) is a large-scale energy storage technology that can overcome the intermittency and volatility of renewable energy sources, such as solar and wind energy.Although abandoned mines can be reused for underground CAES of large scale, their feasibility requires further investigations. ...
Learn MoreAccordingly, building compressed air energy storage (CAES) plants along the roadways of abandoned coal mines can serve as a viable energy storage method while repurposing these mines. This study examined the effect of the lower limit of air pressure (LLAP) on the stability of coal mine roadways in CAES applications by …
Learn MoreA Study on the Transient Response of Compressed Air Energy Storage in the Interaction between Gas Storage Chambers and Horseshoe-Shaped Tunnels in an Abandoned Coal Mine Energies Pub Date : 2024-02-19, DOI: 10.3390/en17040953
Learn MoreIntroduction Compressed air energy storage (CAES) systems among the technologies to store large amounts of energy to promote the integration of intermittent renewable energy into the transmission and distribution grid of electric power. 1 CAES can be carried out in underground salt caverns, naturally occurring aquifers, lined rock …
Learn MoreCompressed air energy storage (CAES) is attracting attention as one of large-scale renewable energy storage systems. Its gas storage chamber is one of key components for its success. A successful utilization of an abandoned coalmine roadway depends on
Learn More