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compressed air energy storage sealing layer
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A variable pressure water-sealed compressed air energy storage …
For compressed air energy storage (CAES) caverns, the artificially excavated tunnel is flexible in site selection but high in sealing cost. A novel concept of …
An Analytical Solution for Analyzing the Sealing-efficiency of …
Compressed Air Energy Storage (CAES) is a commercial, utility-scale technology that is suitable for providing long-duration energy storage. Underground air …
A new multi-objective optimization model of multi-layer …
Underground multi-layer cavern is a key component in the compressed air energy storage (CAES) engineering and its optimal design is of vital …
An analytical solution for elastoplastic responses of a lined rock cavern for compressed air energy storage …
For CAES, air severs as an energy storage medium and is compressed into the cavern by using the excess electrical energy. Then, when needed, the air is released to turbines for generating power ( Succar et al., 2008, Raju and Khaitan, 2012, Budt et al., 2016, Menéndez et al., 2022 ), as shown in Fig. 1 .
Thermodynamic Analysis of Compressed Air Energy …
The thermal energy balance through the sealing layer for 30 cy-cles, considering air mass flow rates of 0.22 kg s-1 (charge) and -0.45 kg s-1 (discharge), reached 1,056 and 907 kWh for FRP...
Air tightness of compressed air storage energy caverns with …
Air tightness of compressed air storage energy caverns with polymer sealing layer subjected to various air pressures. Shikang Qin, C. Xia, Shuwei Zhou. …
Thermodynamic Analysis of Compressed Air Energy Storage …
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 …
Numerical simulation for the coupled thermo-mechanical performance of a lined rock cavern for underground compressed air energy storage …
By contrast, the sealing layer has a higher temperature than the air in the second storage after air discharging. Air is heated in this stage. In summary, the temperatures of air and cavern layers exhibit an identical trend with time, that is, ''up–down–down–up.''
A novel nano-grade organosilicon polymer: Improving airtightness of compressed air energy storage …
Semantic Scholar extracted view of "A novel nano-grade organosilicon polymer: Improving airtightness of compressed air energy storage in hard rock formations" by Zhuyan Zheng et al. DOI: 10.1016/j.ijmst.2024.02.003 Corpus ID: …
Stability analysis for compressed air energy storage cavern with initial excavation …
Comprehensive exergy analysis of the dynamic process of compressed air energy storage system with low-temperature thermal energy storage Appl. Therm. Eng., 147 ( 2019 ), pp. 684 - 693, 10.1016/j.applthermaleng.2018.10.115
An Analytical Solution for Analyzing the Sealing-efficiency of Compressed Air Energy Storage …
Under the operating pressure of 4.5–10 MPa, the daily air leakage in the compressed air storage energy cavern of Yungang Mine with high polymer butyl rubber as the sealing material is 0.62% ...
Thermodynamic analysis of compressed air energy storage …
Compressed air energy storage (CAES) is one of two available grid-scale energy storage systems [11]. CAES is superior to pumped hydro energy storage (PHES) because of its relatively longer life time, much lower environmental impact, shorter construction time, higher reliability and lower installation costs [12] .
Air tightness of compressed air storage energy caverns with …
During the operation of compressed air storage energy system, the rapid change of air pressure in a cavern will cause drastic changes in air density and permeability coefficient …
Airtightness of a flexible sealed compressed air storage energy …
Determining the airtightness of compressed air energy storage (CAES) tunnels is crucial for the selection and the design of the flexible sealing layer (FSL). …
A variable pressure water-sealed compressed air energy storage …
Air tightness of compressed air storage energy caverns with polymer sealing layer subjected to various air pressures J Rock Mech Geotech Eng, 15 ( 2023 ), pp. 2105 - 2116 View PDF View article View in Scopus Google Scholar
Air tightness of compressed air storage energy caverns with polymer sealing layer subjected to various air …
： During the operation of compressed air storage energy system,the rapid change of air pressure in a cavern will cause drastic changes in air density and permeability coefficient of sealing layer.To calculate and properly evaluate air tightness of polymer sealing ...
Stability analysis for compressed air energy storage cavern with initial excavation damage …
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 been well studied.
Comparative analysis of thermodynamic and mechanical responses between underground hydrogen storage and compressed air energy storage …
This difference is attributed to compressed hydrogen generating more heat than compressed air, resulting in elevated temperatures across the three layers of the hydrogen storage cavern. This observation underscores the necessity for the sealing layer and concrete lining of hydrogen storage caverns to exhibit higher resistance to heat.
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