The role of compressed air energy storage sealing layer

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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 passing …

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). 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 passing …

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A Study on the Transient Response of Compressed Air Energy Storage …

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 parameters such as …

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Compressed air energy storage systems: Components and …

In this investigation, present contribution highlights current developments on compressed air storage systems (CAES). The investigation explores both the operational …

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Air tightness of compressed air storage energy caverns with …

Compressed air storage energy Polymer sealing layer. During the operation of compressed air storage energy system, the rapid change of air pressure in a cavern will cause drastic …

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Air tightness of compressed air storage energy …

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 …

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A thermo-hydro-mechanical damage model for lined rock cavern …

Compressed Air Energy Storage (CAES) technology is a promising solution for storing large amounts of energy. In CAES, surplus electric energy is converted into pressure potential energy by compressing air to a high-pressure state. The stored energy can then be released during peak power consumption periods to generate electricity 4]. Integrating CAES …

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Compressed air energy storage: Characteristics, basic ...

By comparing different possible technologies for energy storage, Compressed Air Energy Storage (CAES) is recognized as one of the most effective and economical …

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A novel nano-grade organosilicon polymer: Improving airtightness …

The storage space for the compressed air represents a critical component in this system. The challenge lies in identifying suitable locations that meet at least three essential technical and environmental criteria to ensure safe operation and minimize energy loss [7]: (1) Substantial capacity: the chosen location should have a significant capacity for storing …

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Stability of a lined rock cavern for compressed air energy storage ...

Compressed air energy storage (CAES) is a large-scale energy storage technique that has become more popular in recent years. It entails the use of superfluous energy to drive compressors to compress air and store in underground storage and then pumping the compressed air out of underground storage to turbines for power generation when needed …

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Stability of a lined rock cavern for compressed air energy storage ...

cavern (LRC) for compressed air energy storage (CAES) containing a weak interlayer during blast-ing in the adjacent cavern, a newly excavated tun- nel-type LRC was taken as the research object. By combining similar model tests and numerical simu-lation, the dynamic responses and deformation char-acteristics of the LRC for CAES under joint action of factors including the gas …

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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). 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 passing through FSL.

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Air tightness of compressed air storage energy caverns with …

In the model, the permeability coefficient and air density of sealing layer vary with air pressure, and the effectiveness of the model is verified by field data in two test caverns. Finally, a compressed air storage energy cavern is taken as an example to understand the air tightness. The air leakage rate in the caverns is larger than that using air-pressure-independent …

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Material Selection and Construction Guidance of Gas Storage in ...

Compressed air energy storage (CAES) as a new large-scale underground energy storage is receiving more and more attentions in the field of energy storage. CAES is built in abandoned mine tunnels ...

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Airtightness of a flexible sealed compressed air storage energy …

Compressed air storage energy (CAES) technology uses high-pressure air as a medium to achieve energy storage and release in the power grid. Different from pumped storage power stations, which have special geographical and hydrological requirements, CAES technology has urgent and huge development potential in areas rich in renewable energy [ 2, …

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A new theoretical model of local air-leakage seepage field for the ...

The gas-tightness and stability of compressed air energy storage (CAES) cavern (usually with three-layered struction of sealing layer, concrete lining and surrounding rock) plays an important role for ensuring the power-generation efficiency of CAES system. Since the action of the compressed air with high temperature and high pressure would possibly …

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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 importance for improving the CAES efficiency, while most of the optimization models for CAES cavern only have strength index without consideration of economical index. In this study, a finite element method of the CAES …

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Airtightness of a flexible sealed compressed air storage energy …

Semantic Scholar extracted view of "Airtightness of a flexible sealed compressed air storage energy (CAES) tunnel considering the permeation accumulation of high-pressure air" by Shikang Qin et al. Skip to search form Skip to main content Skip to account menu. Semantic Scholar''s Logo. Search 221,899,429 papers from all fields of science. Search. Sign In Create …

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Air tightness of compressed air storage energy caverns with …

The air tightness model of compressed air storage energy caverns is then established. In the model, the permeability coefficient and air density of sealing layer vary with air pressure, and the effectiveness of the model is verified by field data in two test caverns. Finally, a compressed air storage energy cavern is taken as an example to ...

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Performance Investigation of the Cryogenic Packed Bed

Liquid air energy storage is a large-scale and long-term energy storage technology which has the advantages of clean, low carbon, safety, long service life and no geographical restrictions [] s key component is the cryogenic regenerator, which can store the high-grade cold energy of liquid air and complete the cold energy transfer between the …

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The role of underground salt caverns for large-scale energy storage…

With the demand for peak-shaving of renewable energy and the approach of carbon peaking and carbon neutrality goals, salt caverns are expected to play a more effective role in compressed air energy storage (CAES), large-scale hydrogen storage, and temporary carbon dioxide storage. Herein the innovation of this paper lies in conducting a comprehensive …

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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 storage caverns are an important part of CAES. In this paper, an analytical solution for calculating air leakage and energy loss within underground caverns were proposed. Using the proposed …

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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 of sealing layer.To calculate and properly evaluate air tightness of polymer sealing caverns,the air-pressure-related air density and permeability must be considered this context,the high …

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Airtightness of a flexible sealed compressed air storage energy …

Compressed Air Energy Storage (CAES) in caverns is gaining prominence for its role in ensuring grid stability by storing surplus energy and releasing it as needed, thus …

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Advanced Compressed Air Energy Storage Systems: …

Compressed air energy storage (CAES) is an effective solution for balancing this mismatch and therefore is suitable for use in future electrical systems to achieve a high penetration of renewable energy generation. This study introduces recent progress in CAES, mainly advanced CAES, which is a clean energy technology that eliminates the use of fossil …

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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 …

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Compressed air energy storage

Compressed air energy storage (CAES), amongst the various energy storage technologies which have been proposed, can play a significant role in the difficult task of storing electrical energy affordably at large scales and over long time …

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Stress redistribution in a multilayer chamber for compressed air energy ...

Compressed 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 the stability of the gas storage chamber. The chamber is a multilayer structure and the …

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Air tightness of compressed air storage energy caverns with …

Lined rock cavern at shallow depth is identified as a promising alternative and cost-effective solution for air storage of large-scale compressed air energy storage (CAES) …

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A review on the development of compressed air energy storage …

During the charging process, surplus electric energy is converted into the internal energy of high-pressure air by the compressor for energy storage; during the discharging process, high-pressure air is released to drive the turbine generator to generate electricity, so that the internal energy of compressed air can be converted back into electrical energy [38]. …

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An Analytical Solution for Analyzing the Sealing-efficiency of ...

Cement-based materials used as a sealing layer in compressed air energy storage (CAES) underground storage caverns have high requirements for gas permeability and resistance to thermal stress ...

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Airtightness evaluation of lined caverns for compressed air energy ...

4 · Large-scale compressed air energy storage (CAES) technology can effectively facilitate the integration of renewable energy sources into the power grid. The airtightness of …

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Enhancing comprehensive performance of epoxy-based sealing layer …

The sequestration capacity of LRCs plays a critical role in ensuring the efficiency and safety of hydrogen storage [10,11]. It is indicated that a 2 % daily air leakage rate would result in an additional levelized cost of $1 million per year in compressed air storage [12], and the costs associated with hydrogen storage leakage are even greater. As shown in Fig. 1, the …

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(PDF) Compressed air energy storage in salt caverns in China ...

PDF | On Jul 19, 2023, Mingzhong Wan and others published Compressed air energy storage in salt caverns in China: Development and outlook | Find, read and cite all the research you need on ...

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Feasibility Analysis of Compressed Air Energy …

Combined with the field water sealing test, the tightness of the target salt cavern is verified. This method has been applied to the salt cavern screening and evaluation of a 300 MW compressed air energy storage …

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Parameter design of the compressed air energy storage salt …

Many researchers in different countries have made great efforts and conducted optimistic research to achieve 100 % renewable energy systems. For example, Salgi and Lund [8] used the EnergyPLAN model to study compressed air energy storage (CAES) systems under the high-percentage renewable energy system in Denmark.Zhong et al. [3] investigated the …

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The Role of Compressed Air Energy Storage (CAES) in Future …

Compressed air energy storage (CAES) is one of many energy storage technologies, which may contribute to creating a flexible energy system with a better utilisation of fluctuating renewable energy sources [21]. CAES is a modification of the basic gas turbine (GT) technology, in which low-cost electricity is used for storing compressed air

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An analytical solution for elastoplastic responses of a lined rock ...

Recently, as the demand for energy storage grows, the underground lined rock caverns have been gradually applied in compressed air energy storage (CAES) projects (Kim et al., 2013, Kim et al., 2016, Park et al., 2016, Jiang et al., 2020, Xu et al., 2021). For instance, in China, there are currently more than ten CAES power stations under construction or in the …

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Thermodynamic and economic analysis of a novel compressed air energy ...

Compressed air energy storage (CAES) is one of the important means to solve the instability of power generation in renewable energy systems. To further improve the output power of the CAES system and the stability of the double-chamber liquid piston expansion module (LPEM) a new CAES coupled with liquid piston energy storage and release (LPSR-CAES) is proposed.

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Airtightness evaluation of lined caverns for compressed air energy ...

Large-scale compressed air energy storage (CAES) technology can effectively facilitate the integration of renewable energy sources into the power grid. The airtightness of caverns is crucial for the economic viability and efficiency of CAES systems. This paper presents a new thermo-hydro-mechanical (THM) model for investigating the effects of complex thermodynamic …

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An Analytical Solution for Mechanical Responses Induced by

Mechanical responses induced by temperature and air pressure significantly affect the stability and durability of underground compressed air energy storage (CAES) in a lined rock cavern. An analytical solution for evaluating such responses is, thus, proposed in this paper. The lined cavern of interest consists of three layers, namely, a sealing layer, a …

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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 of sealing layer.

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