Renewable energy has the advantage of being clean and pollution-free. It has many defects such as instability and difficulty in storage which urgently need corresponding
Gas reservoir is an important part of compressed air energy storage system (CAES), and natural cave is considered as a potential reservoir type. To clarify the feasibility of
Large-scale energy storage is receiving increasing attention with the rapid growth in the use of intermittent renewable energy sources. Among the energy storage options, CAES
Similar to adiabatic components, quasi-isothermal compressor and expander developed by LightSail Energy and Enairys Powertech were also analyzed by solving the energy and heat
Compressed air energy storage (CAES) in underground spaces is a common method for addressing the instability of renewable energy generation. As the construction and
The implementation of large-scale energy storage technologies is deemed essential in addressing the challenges associated with the integration of increasing renewable
Stress and damage evolution of the UHPC lining for both short and long term have been stated, and the extent of crack propagation was evaluated. The numerical result
CASSI – A software for compressed air storage simulation CASSI is a Fortran implementation of a numerical compressed air energy storage (CAES) plant model.
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,
In this study, a numerical simulation model has been developed to describe the air movement within the CAES process. Specifically, the study focuses on two different types of
Exploring the material response of rock salt subjected to the variable thermo-mechanical loading is essential for engineering design of compressed air energy storage (CAES) caverns. Accurate design of salt
It consists of accumulating energy for later use place in a that may be the same or different from the place of production. Converting electrical energy to high-pressure air seems a promising
Coupled nonisothermal, multiphase fluid flow and geomechanical numerical modeling is conducted with TOUGH-FLAC, a simulator based on the multiphase flow and heat
Exploring the concept of compressed air energy storage (CAES) in lined rock caverns at shallow depth: A modeling study of air tightness and energy balance. Submitted for publication, March
Abstract Gas reservoir is an important part of compressed air energy stor-age system (CAES), and natural cave is considered as a potential reservoir type. To clarify the feasibility of natural
Abstract Compressed air energy storage (CAES) is a technology that uses compressed air to store surplus electricity generated from low power consumption time for use
Based on Kushnir''s study and some hypotheses, the mathematical model of compressed air energy storage in aquifer is established in this paper. Then, taking 3 MW
To investigate the influence of the fatigue effect of salt rock on the long-term stability of the compressed air energy storage power plant, the numerical simulation method
Million cubic meters from abandoned mines worldwide could be used as subsurface reservoirs for large scale energy storage systems, such as adiabatic compressed air energy storage (A-CAES). In
Gas reservoir is an important part of compressed air energy storage system (CAES), and natural cave is considered as a potential reservoir type. To clarify the feasibility of
Abstract Compressed air energy storage technology (CAES) has an enormous possibilities in terms of energy conversation, environmental protection, and economic benefits.
The slight increase of energy recovery efficiencies from daily cycle to monthly cycle indicate that with the same energy storage scales, the energy produced by daily cycle
ABSTRACT:. The proportion of green energy, such as photovoltaic and wind power, in power generation is increasing year by year. However, green energy often exhibits
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
This study explores the thermodynamic behaviors that arise from complex factors under high-frequency charging and discharging conditions in compressed air energy
相关论文已在储能领域国际权威期刊《Journal of Energy Storage》上发表,论文题为《Understanding the influence of aquifer properties on the performance of compressed air energy storage in
Energy, 2023, vol. 282, issue C Abstract: A reasonable support could ensure the stability and tightness of underground caverns for compressed air energy storage (CAES). In this study,
The simulation was accomplished in COMSOL Multiphysics and comparisons of the numerical simulation and some analytical solutions validated the thermo-mechanical modeling.
Abstract Compressed air energy storage (CAES) is a promising technology for storing mechanical and electrical energy using the gas power cycle. The expansion device is a
Numerical simulation on cavern support of compressed air energy storage (CAES)considering thermo-mechanical coupling effect Liu X.; Yang J.; Yang C.; Zhang Z.;
Compressed air energy storage in hard rock caverns：airtight performance,thermomechanical behavior and stability ZHANG Guohua1,2,WANG Xinjin1,XIANG Yue1,PAN
The numerical simulation of the physical simulation system of CAES system is carried out based on the rotating speed data of the scroll expander and the load torque data of the generator
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.
CAES simulation was accomplished in COMSOL Multiphysics by establishing four modules. A comparison of the proposed numerical simulation and some analytical solutions was conducted to verify the simulation. The proposed numerical simulation is consistent with the analytical solutions, which validated the proposed TM modeling.
The proposed numerical simulation is consistent with the analytical solutions, which validated the proposed TM modeling. The proposed numerical simulation showed that the maximum and minimum temperatures of compressed air in one CAES cycle increased with the increase in cycle number.
The proposed numerical simulation showed that the maximum and minimum temperatures of compressed air in one CAES cycle increased with the increase in cycle number. Air pressure and temperatures in the concrete lining and sealing layer exhibited the same ‘up–down–down–up’ trend in one cycle.
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.
In addition to numerical simulations and analytical calculations, related projects have also been investigated and tested. The first lined rock cavern (LRC) for high-pressure gas storage in Skallen in southwest Sweden was constructed during construction and operation.
