Rock Salt for Underground Energy Storage: Multiscale and Multiphysics Behavior
A special issue of Energies (ISSN 1996-1073). This special issue belongs to the section "D: Energy Storage and Application".
Deadline for manuscript submissions: closed (31 August 2021) | Viewed by 479
Special Issue Editors
Interests: solution mining and comprehensive utilization of solution cavity in salt mine; intelligent recognition of dynamic disaster precursor information of surrounding rock
Interests: experimental rock mechanics (failure of anisotropic rock, hydraulic fracturing, etc.); rock engineering (mining, caverns, tunnels, et al.); multiscale and multiphysics numerical simulations of rock and geomaterial; machine learning for geomechanics
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Special Issue Information
Dear Colleagues,
Rock salt has low permeability, can self-repair damage, and has good creep characteristics, which makes it one of the most suitable materials for energy and resource storage. Storage caverns in rock salt deposits were first used in Canada to store hydrocarbons during World War II. The UK adopted them for crude oil storage during the time of the Suez crisis, and since then, salt caverns have been used as strategic reserves for nations across the world. Presently, there are 104 underground natural gas storage facilities in salt caverns all over the world, 49 of which exist in the European Union (EU). In terms of storage capacity, 67% of the volume of underground oil storage is in salt caverns. Germany and the United States have successfully used salt caverns for compressed air energy storage. Moreover, in recent years, large salt caverns have also attracted increasing attention for CO2 sequestration and hydrogen storage to adapt the fluctuating and non-dispatchable energy production from wind and solar resources to the actual demand. Thus, energy and resource storage in rock salt plays a crucial role in the world’s energy security and in achieving a carbon-neutral society. This Special Issue aims to highlight the state-of-the-art findings in thermo-hydro-mechanical-chemical (THMC) coupling behaviors of salt rocks from grain-scale to microscopic scale, and to address the critical issues in upscaling the microscopic behaviors from the grain scale to the macroscopic scale for engineering applications. Original theoretical research articles, review articles, and case studies are welcomed. Potential topics include but are not limited to the following:
- The experimental studies about the damage evolution of rock salt from nano/micro to macro scale;
- Finite element, finite difference, discrete element, and coupled numeric modeling approaches;
- Multiphysics and multiscale constitutive models of rock salt;
- Quantitative descriptions of microscopic topological structures;
- Case studies for energy and resource storage hosted by salt rocks, including successful applications and accidents.
Prof. Dr. Jie Chen
Dr. Guowen Xu
Guest Editors
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Keywords
- salt rock
- multiscale and multiphysics
- underground storage
- numerical simulation
- carbon-neutral society
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