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Rocks thermal energy storage is one of the most cost-effective energy storage for both thermal (heating/cooling) as well as power generation (electricity). This paper review both fundamental and appl...
Studies have suggested that some energy-related physical quantities for rock deformation and destruction are able to characterize the stresses and strains of a rock material, and close connections can be realized …
Carbon dioxide phase transition fracturing has been widely used in rock mass excavation under complex environments, and its special rock breaking process shows obvious …
To investigate the dynamic mechanical properties of water-saturated fissure rock at different strain rates, prefabricated sandstone specimens with a 45° dip angle were treated …
1. Introduction. Rock is a special geological material that has the properties of non-uniformity, discontinuity and anisotropy. The exploitation of resources for living, such as …
By comparing the energy distribution of rocks with different pore structures, it can be seen that the smaller the porosity and the smaller the pore size, the greater the energy …
Salt cavern tightness evaluation is a prerequisite for salt cavern energy storage. The current salt cavern tightness testing method can only qualitatively evaluate the salt cavern …
The development of large-scale energy storage in such salt formations presents scientific and technical challenges, including: ① developing a multiscale progressive failure …
The key to inducing the energy storage capacity of rock before failure is closely related to the rock damage evolution. The pattern of energy release and dissipation through …
In theory, energy storage or dissipation occurs within a rock material provided that there must be an input of energy. In other words, when the external input energy is zero, both the internal elastic energy and the dissipative energy are zero. Therefore, the point (0, 0) was added to Fig. 9 for the data fitting.
Abstract: Using rock cavern for compressed air energy storage is a promising method for large-scale energy storage. Ensuring the sealing performance and structural safety of the storage …
To quantify the impact of the critical parameters, sensitivity analysis needs to be conducted. The parameters chosen are cavern depth, creep constant, Young''s modulus of halite rock, temperature, and creep exponent. Energy storage technology could involve different operating conditions and heterogeneous properties of rock salt.
Carbon dioxide phase transition fracturing has been widely used in rock mass excavation under complex environments, and its special rock breaking process shows obvious gathering energy effect. In this paper, the …
Rock heterogeneity significantly influences a rock mass''s dynamic mechanical behavior and fracture evolution. This study focused on creating heterogeneous sandstone models using the …
This study aims to investigate the influence of length-to-diameter (L/D) ratio on the strain energy storage and evolution characteristics of rock materials during progressive …
Yet, the specific interplay of dynamic loading and water''s impact on the energy conversion mechanism within the sandstone remains unexplored. To address this gap, this study conducted impact loading experiments on sandstone, elucidating the rock''s mechanical response under these conditions and unraveling the underlying energy conversion mechanisms.
DOI: 10.1016/J.SOLENER.2014.10.021 Corpus ID: 123429793; Dynamic simulation of integrated rock-bed thermocline storage for concentrated solar power @article{Mertens2014DynamicSO, …
Because of the intermittency and instability of solar energy, CSP should be coupled with a thermal energy storage (TES) system to supply a relatively stable power output …
This rock-based energy storage has recently gained significant attention due to its capability to hold large amounts of thermal energy, relatively simple storage mechanism and low cost of storage medium.
Strain energy is often used to analyze the energy storage capacity and damage characteristics of the rock. For instance, the linear energy storage and dissipation (LESD) laws …
In general, a limit of energy accumulation for a rock specimen exists before its stability is lost, which represents the maximum energy stored in a rock specimen before reaching its critical destructive point. The maximum energy stored is termed the ultimate internal elastic energy Ee in this paper.
Request PDF | Dynamic simulation of integrated rock-bed thermocline storage for concentrated solar power | In contrast to wind and photovoltaic, concentrated solar power …
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