shallow energy storage model
Energy storage systems: a review
Lead-acid (LA) batteries. LA batteries are the most popular and oldest electrochemical energy storage device (invented in 1859). It is made up of two electrodes (a metallic sponge lead anode and a lead dioxide as a cathode, as shown in Fig. 34) immersed in an electrolyte made up of 37% sulphuric acid and 63% water.
Exploring the concept of compressed air energy storage (CAES) in lined rock caverns at shallow depth: A modeling study of air tightness and energy ...
Some renewable/ sustainable post-mining solutions including underground reservoirs (Andrés et al., 2017), hydro-pumped energy storage (PHES) (Menéndez et al., 2017;Pujades et al., 2017 ...
Geomechanical analysis of the stability conditions of shallow cavities for Compressed Air Energy Storage …
Abstract Compressed Air Energy Storage (CAES) systems compress air into underground cavities when there is an excess of energy production (e.g., in the electrical grid or in an electrical plant) and generate electrical energy using a turbine when the electricity demand exceeds the production. Underground air storage requires construction of new …
Heat transfer analysis of underground thermal energy storage in shallow trenches filled with encapsulated phase change materials …
The energy performance of a drainage trench heat exchanger vertically dug in the shallow ground and filled with encapsulated PCMs is analysed. For comparison, the GHE performance is also evaluated with coarse …
Is It Possible to Build a Rock Cavern for Compressed Air Energy Storage at a Shallow …
lined rock caverns at shallow depth: a modeling study of air tightness and energy balance. Appl. Energy 92 ... D., Zhang, X., Jiang, Z. (2021). Is It Possible to Build a Rock Cavern for Compressed Air Energy Storage at a Shallow Depth?. In ) Challenges ...
Latent thermal energy storage technologies and applications: A …
2.2. Latent heat storage. Latent heat storage (LHS) is the transfer of heat as a result of a phase change that occurs in a specific narrow temperature range in the relevant material. The most frequently used for this purpose are: molten salt, paraffin wax and water/ice materials [9].
Exploring the concept of compressed air energy storage (CAES) in lined rock caverns at shallow depth: A modeling study of air tightness and energy ...
Figure 18. Energy balance terms in the tight lining case. - "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" DOI: 10.1016/J.APENERGY.2011.07.013
Exploring the concept of compressed air energy storage (CAES) in lined rock caverns at shallow depth: A modeling study of air tightness and energy ...
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. / Kim, Hyung Mok; Rutqvist, Jonny; Ryu, Dong Woo et al. In: Applied Energy, Vol. 92, 04.2012, p. 653 ...
Performance of a Field-Scale Shallow Horizontal Thermal Energy Storage …
This study focuses on the performance of a shallow, horizontal thermal energy storage system in San Diego. Heat collected from solar thermal panels over a period of 120 days was injected into a slinky-loop heat exchanger installed at a depth of 1.2 m from the ground surface in compacted backfill soil, and the evolution in ground …
Comparison of the shallow groundwater storage change estimated by a distributed hydrological model …
From this perspective, the shallow GWS change during a time step was equal to the difference in shallow aquifer storage between the beginning and the end of the selected time period. Hence, to further explore the consistency of SWAT-simulated and GRACE-based estimations, shallow GWS changes based on the water flux were …
Applied Sciences | Free Full-Text | Large-Scale Pumped Thermal Electricity Storages—Converting Energy Using Shallow …
A fast-paced energy transition needs a higher penetration of renewables, of heating and cooling in the worldwide energy mix. With three novelties 1-of using shallow high-pressure LRC (Lined Rock Cavern) excavated close to storage needs, 2-of using a slow-moving CO2 piston applying steady pressure on the hydro part of UPHES …
Exploring the concept of compressed air energy storage (CAES) in lined rock caverns at shallow depth: A modeling study of air tightness and energy ...
380. ：. HM Kim, J Rutqvist, DW Ryu, BH Choi, C Sunwoo, WK Song. . ：. This paper presents a numerical modeling study of coupled thermodynamic, multiphase fluid flow and heat transport associated with underground compressed air energy storage (CAES) in lined rock caverns. Specifically, we explored the concept ...
Exploring the concept of compressed air energy storage (CAES) in lined rock caverns at shallow depth: A modeling study of air tightness and energy ...
Semantic Scholar extracted view of "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" by Hyung-mok Kim et al. DOI: 10.1016/J.APENERGY.2011.07.013
Geomechanical analysis of the stability conditions of shallow cavities for Compressed Air Energy Storage …
Carranza-Torres, C. M., Fosnacht, D., & Hudak, G. (2017). Geomechanical analysis of the stability conditions of shallow cavities for Compressed Air Energy Storage (CAES) applications. Geomechanics and Geophysics for Geo-Energy and …
Numerical and experimental investigations of concrete lined compressed air energy storage …
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 Appl. Energy, 92 ( 2012 ), pp. 653 - 667 View PDF View article View in Scopus Google Scholar
Compressed air energy storage: Characteristics, basic principles, …
By comparing different possible technologies for energy storage, Compressed Air Energy Storage (CAES) is recognized as one of the most effective and economical technologies to conduct long-term, large-scale energy storage. In terms of choosing underground formations for constructing CAES reservoirs, salt rock formations …
Free Full-Text | Temperature Regulation Model and Experimental Study of Compressed Air Energy Storage …
The first hard rock shallow-lined underground CAES cavern in China has been excavated to conduct a thermodynamic process and heat exchange system for practice. The thermodynamic equations for the solid and air region are compiled into the fluent two-dimensional axisymmetric model through user-defined functions. The …
Analysis, modeling, and simulation of underground thermal energy storage systems …
1. Since an open-loop heating (or cooling) solution depends on the existence of an aquifer, it is usually related to as an aquifer thermal energy storage (ATES) system. It consists of at least two separate wells, one is used to extract groundwater, and another is used to reinject groundwater, typically in a well doublet system.
Exploring Underground Compressed Air Energy Storage (CAES)
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 Hyung-Mok Kim1, Jonny Rutqvist2, Dong-Woo Ryu1, Choon Sunwoo1, Won-Kyong Song1 1 Korea Institute of Geoscience and Mineral Resources (KIGAM), Daejeon, 305-350 Korea ...
Stability of a lined rock cavern for compressed air energy storage containing a weak interlayer during blasting in the adjacent cavern: model ...
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 cavern, a newly excavated tunnel-type LRC was taken as the research object. By combining similar model tests and numerical simulation, the dynamic responses and deformation …
A new multi-objective optimization model of multi-layer prestressed lining cavern for compressed air energy storage …
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 …
Modelling and optimization of shallow underground thermal …
In this work, we show how to practically model such systems, including generation of computational grids with a large number of wells and fractures, numerical discretizations with discrete fractures, and complex storage strategies with multiple wells …
Experimental and Numerical Investigations of Small-Scale Lined Rock Cavern at Shallow Depth for Compressed Air Energy Storage …
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) plant. To better understand the thermodynamic process of the compressed air in the underground cavern and the response of the surrounding rock during air charging and …
Exploring the concept of compressed air energy storage (CAES) in lined rock caverns at shallow depth: A modeling study of air tightness and energy ...
Finally, our numerical simulation study showed that CAES in shallow rock caverns is feasible from a leakage and energy efficiency viewpoint. Our numerical approach and energy analysis will next be applied in designing and evaluating the performance of a planned full-scale pilot test of the proposed underground CAES concept.
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