نتایج جستجو برای: abandoned mines

تعداد نتایج: 16266  

Journal: :Minerals 2022

Governance of abandoned mines has become a pressing issue for China. The utilization is technology that can solve the problem governance and recreate value mines, which in line with current strategic goals ecological protection double carbon In this paper, various models advances rock mechanics across globe are summarized reviewed. be categorized into four aspects: Energy storage, Waste treatme...

Journal: :Geosciences 2022

Upward surface movement or uplift has been extensively observed above abandoned and flooded deep coal mines, which used the longwall mining method, i.e., a caving method. Detailed analysis of satellite measurements indicated that process is one more complex phenomena in ground control. The linked to flooding underground infrastructure rock mass. This was confirmed by conducting analytical calcu...

Journal: :Applied sciences 2021

Million cubic meters from abandoned mines worldwide could be used as subsurface reservoirs for large scale energy storage systems, such adiabatic compressed air (A-CAES). In this paper, analytical and three-dimensional CFD numerical models have been conducted to analyze the thermodynamic performance of A-CAES in during charging discharging processes. Unlike other research works, which heat tran...

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