PNNL: Compressed Air Energy Storage
The basic idea of CAES is to capture and store compressed air in suitable geologic structures underground when off-peak power is available or additional load is needed on the grid for balancing. The stored high
Coupled hydromechanical analysis of an underground compressed
DOI: 10.1680/GEOLETT.13.00068 Corpus ID: 109773930; Coupled hydromechanical analysis of an underground compressed air energy storage facility in sandstone @article{Snchez2014CoupledHA, title={Coupled hydromechanical analysis of an underground compressed air energy storage facility in sandstone}, author={Marcelo
UNDERGROUND COMPRESSED AIR ENERGY STORAGE FOR ELECTRIC UTILITIES
Compressed air energy storage (CAES) is a concept for electric utility application which stores energy generated during periods of low demand and releases that energy during peak demand periods. Air is compressed during low demand periods by motor-driven compressors and stored in large underground reservoirs. When power is
(PDF) Design issues for compressed air energy storage in sealed underground cavities
Compressed air energy storage (CAES) systems represent a new technology for storing very large amount. of energy. A peculiarity of the systems is that gas must be stored under a high pressure
Numerical simulation for the coupled thermo
However, given the intermittent nature of these energy sources, they cannot provide power continuously. Thus, energy storage is critical for the practicability of renewable energy. One promising energy-storage and power-generation technology, compressed air energy storage (CAES), is regarded as suitable for renewable energy
Numerical study on the impacts of layered heterogeneity on the
Inspired by the experience of natural gas storage engineering in aquifers, compressed air energy storage in aquifers (CAESA) has been proposed, which utilizes appropriate brine aquifers as the air storage space [9, 10].A schematic diagram of CAESA is shown in Fig. 1 [11] comparison with the salt cavern, CAESA has two advantages.
The underground performance analysis of compressed air energy
Compressed air energy storage in aquifers (CAESA) has been considered a potential large-scale energy storage technology. However, due to the lack of actual field tests, research on the underground processes is still in the stage of theoretical analysis and
(PDF) Overview of current compressed air energy storage
Compressed air energy storage (CAES) is an established and evolving technology for providing large-scale, long-term electricity storage that can aid electrical power systems achieve the goal of
Journal of Energy Storage
Lined mining drifts can store compressed air at high pressure in compressed air energy storage systems. In this paper, three-dimensional CFD numerical models have been conducted to investigate the thermodynamic performance of underground reservoirs in compressed air energy storage systems at operating
Design Criteria for Compressed Air Storage in Hard Rock
Compressed Air Energy Storage (CAES) in underground caverns can be used to generate electrical power during peak demand periods. The excess power generation
Numerical investigation of underground reservoirs in compressed air energy storage
Xu et al. [38] developed a 3D thermo-mechanical analysis of an underground compressed air energy storage. The analyzed two different plugging schemes in abandoned mining drifts. Mousavi et al. [39] conducted a thermodynamic modeling and economic analysis of an A-CAES system based on cascade packed bed
An Analytical Solution for Mechanical Responses Induced
Mechanical Properties of a Lining System under Cyclic Loading Conditions in Underground Lined Rock Cavern for Compressed Air Energy Storage Tunnel and Underground Space 10.7474/tus.2012.22.2.077
Modeling of Coupled Thermodynamic and Geomechanical
Performance of Underground Compressed Air Energy Storage (CAES) in Lined Rock Caverns . Jonny Rutqvist1, Hyung-Mok Kim2, Dong-Woo Ryu2, Joong-Ho Synn2, Won-Kyong Song2. 1 Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA 94720 U.S.A. 2 Korea Institute of Geoscience and Mineral Resources (KIGAM), Daejeon, 305-350
Compressed Air Energy Storage
Compressed Air Energy Storage (CAES) is the term given to the technique of storing energy as the potential energy of a compressed gas. Usually it refers to air pumped into
Numerical study on the impacts of layered heterogeneity on the underground process in compressed air energy storage
A reasonable support could ensure the stability and tightness of underground caverns for compressed air energy storage (CAES). In this study, ultra-high performance concrete (UHPC) and high-temperature resistant polyethylene were used for structural support and tightness of caverns excavated in hard rock.
[PDF] Numerical simulation for the coupled thermo-mechanical performance of a lined rock cavern for underground compressed air energy storage
Compressed air energy storage (CAES) is a technology that uses compressed air to store surplus electricity generated from low power consumption time for use at peak times. This paper presents a thermo-mechanical modeling for the thermodynamic and mechanical responses of a lined rock cavern used for CAES. The
Overview of Large-Scale Underground Energy Storage Technologies for
Storage technologies such as: a) Electrochemical Storage with Batteries for distributed generation systems (e.g. solar) or even for electrical vehicles; b) Electrical storage with Supercapacitors and Superconducting magnetic energy storage; and c) Thermal Storage (e.g. hot and cold-water tanks, ice storage) for buildings, used as
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
Modeling of coupled thermodynamic and geomechanical
Along with pumped hydroelectric storage, underground compressed air energy storage (CAES) is considered to be one of the most promising large-scale electric energy storage technologies. Compressed air energy storage (CAES) is an approach by which excess electricity is used to compress air, which is then injected into subsurface
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
Coupled hydromechanical analysis of an underground compressed
The underground storage of compressed air is a favourable and low-cost option for balancing off-peak electricity demands. Large volumes of air can be compressed and stored in the ground during low-demand electricity periods, and this pressurised air can then be released to generate electricity during high-demand times.
An Analytical Solution for Mechanical Responses Induced by Temperature and Air Pressure in a Lined Rock Cavern for Underground Compressed
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
Energy from closed mines: Underground energy storage and geothermal
Underground compressed air energy storage (CAES) In addition to UPHES, compressed air energy storage (CAES) systems allow storing a great amount of energy underground, so power generation can be detached from consumption. In this case, the potential energy of a compressed gas (air) is stored in large storage tanks or
Technology Strategy Assessment
This technology strategy assessment on compressed air energy storage (CAES), released as part of the Long-Duration Storage Shot, contains the findings from the Storage Innovations (SI) 2030 strategic initiative. The objective of SI 2030 is to develop specific and quantifiable research, development, and deployment (RD&D) pathways to achieve the
[PDF] Characterizing Excavation Damaged Zone and Stability of Pressurized Lined Rock Caverns for Underground Compressed Air Energy Storage
In this paper, we investigate the influence of the excavation damaged zone (EDZ) on the geomechanical performance of compressed air energy storage (CAES) in lined rock caverns. We conducted a detailed characterization of the EDZ in rock caverns that have been excavated for a Korean pilot test program on CAES in (concrete) lined rock
Underground Compressed Air Storage | Augwind Energy
Compressed air systems are one of the most inefficient systems in industry, and yet, vastly used in major industrial segments such as dairy, plastic, paper, cement, automotive and more, constitutes up to 20% of the overall energy consumption of the factory. Augwind''s solution provides a vast compressed air storage volume with no footprint
Numerical simulation for the coupled thermo-mechanical
Compressed air energy storage (CAES) is a technology that uses compressed air to store surplus electricity generated from low power consumption time
Distribution characteristics and evolution laws of liner cracks in underground caverns for compressed air energy storage
<p>The liner of underground gas storage cavern is used to transfer the internal pressure to the surrounding rock, and at the same time serves as the base of flexible sealing layer. The excessively wide cracks due to the high internal pressure may lead to generation of reflective cracks in the sealing layer, thus causing the leakage of high-pressure gas. To deeply
(2012a) Feasibility analysis of underground compressed air energy storage
Request PDF | On Jan 1, 2012, H.M. Kim and others published (2012a) Feasibility analysis of underground compressed air energy storage in lined rock caverns using the TOUGH
Coupled hydromechanical analysis of an underground compressed air energy storage
The underground storage of compressed air is a favourable and low-cost option for balancing off-peak electricity demands. Large volumes of air can be compressed and stored in the ground during low- DOI: 10.1680/GEOLETT.13.00068 Corpus ID: 109773930
Compressed Air Energy Storage in Underground Formations
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
Compressed air energy storage systems: Components and
Diabatic storage systems utilize most of the heat using compression with intercoolers in an energy storage system underground. During the operation, excess electricity is used to compress the air into a salt cavern located underground, typically at depths of 500–800 m and under pressures of up to 100 bars.
(2012a) Feasibility analysis of underground compressed air energy
The long-term stability of a lined rock cavern (LRC) for underground compressed air energy storage (CAES) is investigated using a thermo-mechanical (TM) damage model. The numerical model is
A review of energy storage types, applications and
This allows exchanging pulsed power as well as storing large amounts of energy. 2.5. Compressed air energy storage. In compressed air energy storage (CAES) systems, air is compressed and stored in an underground cavern or an abandoned mine when excess energy is available.
