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Underground solar energy storage via energy piles
Applied Energy, 2020Abstract Conventional piles embedded with geothermal loops, referred to as energy piles, have been successfully used as heat exchangers for the ground source heat pump system. For heating-dominated regions, it is crucial for the ground source heat pump system to keep the ground thermal balance in the long run. Solar energy is the most feasible source
Qijie Ma, Peijun Wang
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Assesment for optimal underground seasonal thermal energy storage
Energy Conversion and ManagementThis project has been supported by NEXTGENERATION EU funds under project MIA.2021.M01.0004.E24. The authors also thank the Ministry of Science and Innovation, Government of Spain, for the financial support given through the project 2022/00397/001. In addition, CSB acknowledges the grant RYC2021-034720-I funded by the Ministry of Science and Innovation ...
Julian Gonzalez-Ayala +2 more
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Underground CSP Thermal Energy Storage
ASME 2019 Power Conference, 2019Abstract Concentrated Solar Power (CSP) is one of the most promising ways to generate electricity from solar thermal sources. In this situation, large tracking mirrors focus sunlight on a receiver and provide energy input to a heat engine.
Roohany Mahmud +2 more
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Underground Storage of CO2 and Energy
2010Of the known greenhouse gases, political attention to date has primarily focused on carbon dioxide (CO2), whereby it is assumed that underground storages of crude oil and natural gas through Carbon Capture and Storage (CCS) technology could contribute significantly to global climate protection.
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Simulation of an underground solar energy storage for a dwelling
Solar Energy, 1991Abstract The system under study consists of an underground insulated storage beneath a slab floor of an individual dwelling. The storage is charged by solar collectors via two arrays of air ducts buried horizontally in the soil at two depths: 2 m (summer working) and 0.4 m (winter working).
B. Bourret, R. Javelas
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Rock engineering in underground energy storage in Korea
Tunnelling and Underground Space Technology, 2003Since the early 1970s, Korea has constructed many large-scale underground energy storage caverns in response to rapid industrial development. In this period, rock mechanical engineers in Korea gained valuable experience in developing underground space technologies.
Chung-In Lee, Jae-Joon Song
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Energy Dissipation and Storage in Underground Mining Operations
Rock Mechanics and Rock Engineering, 2018In this paper, we focus on the energy alteration during longwall mining in an attempt to mimic the conditions of a coal mine in Western Turkey. We verify the proposed model using existing analytical and numerical solutions in terms of stress components.
Xiangjian Dong +4 more
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Underground longterm storage of solar energy—An overview
Solar Energy, 1977Abstract The paper describes different options for longterm storage of solar energy, as well as thermal energy from other sources. The various options are analyzed from the viewpoint of their applicability under different climatic and soil conditions.
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Research on storage of energy in underground caverns
Mining informational and analytical bulletin, 2021Arad Victor +5 more
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Physical, chemical and energy aspects of underground hydrogen storage
International Journal of Hydrogen Energy, 1979Abstract Large scale energy storage is becoming an important consideration as we turn more towards nuclear power and the utilization of renewable sources such as solar energy. Underground storage of hydrogen in aquifers has been suggested as an inexpensive method of providing the required energy storage. With this theme in mind, the losses associated
P CARDEN, L PATERSON
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