compressed gas energy storage cavern lining cracking
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A variable pressure water-sealed compressed air energy storage …
Large-scale, long-period energy storage technologies primarily encompass compressed air energy storage (CAES), pumped hydro energy storage (PHES), and hydrogen energy storage (HES). Among these, PHES is heavily reliant on environmental factors, while HES faces limitations in large-scale application due to high costs.
(PDF) Stability of a lined rock cavern for compressed air energy …
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 …
Exploring the concept of compressed air energy storage (CAES) in lined rock caverns at shallow depth: A modeling study of air tightness and energy ...
However, the energy loss by heat conduction can be minimized by keeping the air-injection temperature of compressed air closer to the ambient temperature of the underground storage cavern. In such a case, almost all the heat loss during compression is gained back during subsequent decompression.
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 …
Investigation of failure behavior of continuous rock mass around cavern under high internal pressure …
Case studies are conducted to investigate the influence of various factors on the gas storage capacity of the cavern supported by the segmented lining. Parameters such as the quality of the surrounding rock, cavern burial depth, spring stiffness of the retractable connector, and preset seam width of the lining are evaluated.
Distribution characteristics and evolution laws of liner cracks in …
To deeply understand the characteristics of liner cracking in high-pressure underground gas storage cavern, a routine for cracking analysis of a liner based on the FLAC 3D platform is developed, and the influences of reinforcement mode and ratio, concrete cover
Numerical and experimental investigations of concrete lined compressed air energy storage …
In underground high-pressure gas storage caverns, it is essential that the lining works in harmony with the sealing layer and the surrounding rock for the safety and stability of the cavern (Chen et al., 2022).
Numerical simulation on cavern support of compressed air energy …
Abstract. A reasonable support could ensure the stability and tightness of underground caverns for compressed air energy storage (CAES). In this study, ultra …
High internal pressure induced fracture patterns in rock masses surrounding caverns: Experimental study using …
Case studies are conducted to investigate the influence of various factors on the gas storage capacity of the cavern supported by the segmented lining. Parameters such as the quality of the surrounding rock, cavern burial depth, spring stiffness of the retractable connector, and preset seam width of the lining are evaluated.
Buildings | Free Full-Text | Evolution of High Toughness Cementitious Composites Gas …
High-toughness cementitious composite (HTCC) may be considered for use as a concrete lining material for underground lined rock caverns in compressed air energy storage (CAES) power stations. This experiment investigated the effect of coupled thermal-mechanical cycling on the changes in the gas permeability and pore structure of …
Exploring Underground Compressed Air Energy Storage (CAES)
flow and heat transport associated with underground compressed air energy storage (CAES) in lined rock caverns. Using the approach presented here, we carry out a …
Temperature Regulation Model and Experimental …
China''s first underground gas storage test cavern with a shallowly buried lining of hard rock has been reconstructed to realize the gas storage test with a high internal pressur e of 10 MPa.
Storage of highly compressed gases in underground Lined Rock Cavern…
Layout of the LRC pilot plant in Sweden (1989). 2.3 Step 3 – Evaluation of Pilot Tests The third step consisted of compiling and analysing in depth the results from the Pilot tests and was ...
Rock cavern linings for compressed-air energy storage. Final …
Final report. Title: Rock cavern linings for compressed-air energy storage. Final report. Technical Report · Thu May 01 00:00:00 EDT 1986. OSTI ID: 5858885. Calculations suggest that an average air leakage of 1% per day from a 220-MW underground compressed-air storage plant represents a cumulative energy loss of up to $100,000 per year.
Gas-mechanical coupled crack initiation analysis for local air …
The gas-tightness and stability of compressed air energy storage (CAES) cavern (usually with three-layered struction of sealing layer, concrete lining and …
Long-term stability of a lined rock cavern for compressed air energy storage…
The long-term stability of a lined rock cavern (LRC) for underground compressed air energy storage is investigated using a thermo-mechanical (TM) damage model. The numerical model is implemented in COMSOL Multiphysics, and TM modeling is verified by the existing analytical solution in the case of no damage.
Buildings | Free Full-Text | Evolution of High Toughness …
High-toughness cementitious composite (HTCC) may be considered for use as a concrete lining material for underground lined rock caverns in compressed air …
Mechanical behavior of a new segmented lining for underground rock cavern…
A new theoretical model of thermo-gas-mechanical (TGM) coupling field for underground multi-layered cavern of compressed air energy storage Energy, 257 ( 2022 ), Article 124646 View PDF View article View in Scopus Google Scholar
Long-term stability of a lined rock cavern for compressed air …
The long-term stability of a lined rock cavern (LRC) for underground compressed air energy storage is investigated using a thermo-mechanical (TM) …
Construction cost analysis of rock cavern gas storage for compressed air energy storage …
Gas storage technology and gas storage cost are the key factors affecting the promotion of compressed air energy storage (CAES) technology. This paper focuses on the rock cavern gas storage (RCGS) technology of compressed air energy storage, and first analyzes the different surrounding rock characteristics, lining methods and sealing …
A simplified and unified analytical solution for temperature and pressure variations in compressed air energy storage cavern…
In all of the above mentioned literature that are related to underground gas/energy storage caverns, most models [3,4,7, 8, 11] were focused on the thermodynamic processes (i. e. the change of ...
Gas-mechanical coupled crack initiation analysis for local air-leakage of compressed air energy storage (CAES) cavern …
2023The 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.
Characterizing Excavation Damaged Zone and Stability of Pressurized Lined Rock Caverns for Underground Compressed Air Energy Storage
air and inject the compressed air to store in the cavern with an air tight concrete lining system. When power demand exceeds supply, the stored air is used to run a gas turbine generator and to provide the power to a grid. Because gas turbines typically expend
Underground storage of hydrogen in lined rock caverns: An …
The surrounding rock mass supports the load generated by the high gas pressure inside the cavern, while the lining minimizes the amount of gas pressure carried and ensures complete gas tightness. The cavern wall is a critical component of the construction, responsible for transferring the load of high gas pressure to the adjacent …
Stability of a lined rock cavern for compressed air energy storage …
Stability of a lined rock cavern for compressed air energy storage containing a weak interlayer during blasting in the adjacent cavern: model tests and numerical
Free Full-Text | Temperature Regulation Model and …
Today, two existing commercial CAES plants are in operation: a 290 MW unit built in Huntorf, Germany, in 1978, and a 110 MW unit built in McIntosh, AL, USA, in 1991 []; the monitoring data of their …
A new multi-objective optimization model of multi-layer …
Abstract: 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 …
Stability analysis for compressed air energy storage cavern with …
During the use of compressed air energy storage devices, the chamber continuously inflates and deflates and operates continuously for 365 days a year, with a lifespan of about 40 years and a total ...
(PDF) Seepage and Heat Transfer Characteristics of Gas Leakage under the Condition of CAES Air Reservoir Cracking …
Introduction Compressed Air Energy Storage (CAES) is a new technology suitable for large-scale power energy storage; it is one of the key technologies to solve the instability and intermittency of ...
An Analytical Solution for Analyzing the Sealing-efficiency of Compressed Air Energy Storage Cavern…
18 m2 would result in an acceptable air leakage rate of less than 1%. Air leakage will increase linearly with increasing lining permeability. Increasing the thickness of the concrete lining could enhance the sealing efficiency of the storage cavern. Keywords: compressed air energy storage, lined rock cavern, sealing efficiency, analytical ...