Therefore, we present an innovative functional cemented paste backfill material utilizing C-BSW for phase change heat storage in GE-COSM mines. we
Read MoreEnergy storage and heat transfer characteristics of ground heat exchanger with phase change backfill materials Trans. Chin. Soc. Agric. Eng., 30 ( 24 ) ( 2014 ), pp. 193 - 199 View in Scopus Google Scholar
Read MoreThe extensive use of energy storage materials in photothermal energy storage and electro-magnetic-thermal energy storage has aroused widespread concern. How to expand the practical application of microencapsulated phase change materials in such advanced research directions, innovate new forms of energy storage and improve
Read MoreMoreover, by using a PCM as a backfill material, it is possible to reduce the temperature variation in the surrounding soil, which effectively reduces the need for ground and borehole space. These
Read MoreMany researchers also used the thermal resistance and capacity network method to study the phase change heat transfer of phase change materials. Neumann et al. [27] established a simplified capacity resistor simulation model to examine a latent heat storage system based on the flow through heat exchanger plates according to the
Read MoreDownload Citation | On May 1, 2024, Xueli Wang and others published Numerical investigation on the heat storage/heat release performance enhancement of phase change cemented paste backfill body
Read MoreThe thermal energy storage (TES) based on latent heat technique with outstanding thermal performance is required to boost the development of the field thermal management application. Hence, this research proposes a solid-liquid composite phase change materials (CPCMs) based on octadecanoic acid (C18-acid), octadecanol (C18
Read MoreThe PCM can be used as an additive for borehole backfill materials. Their latent heat during phase change can be used to reduce the effect of temperature
Read MorePhase change materials (PCM) have had a significant role as thermal energy transfer fluids and nanofluids and as media for thermal energy storage. Molecular dynamics
Read Morecrack evolution of CTB were studied using a numerical model that considered FA content and particle mechanism of phase change energy storage backfill Jan 2021 2623 Jin Development theme of
Read MoreThe challenge of high temperatures in deep mining remains harmful to the health of workers and their production efficiency. The addition of phase change materials (PCMs) to filling slurry and the use of the cold storage function of these materials to reduce downhole temperatures is an effective approach to alleviate the aforementioned problem.
Read MoreAbstract. In recent years, phase change materials have played an important role in the field of energy storage because of their flexibility and high efficiency in energy storage and release. However, most phase change processes are unsteady and highly nonlinear. The ways to obtain exact solutions are urgently needed.
Read MoreDifferent phase change energy storage units are applied to the system, which can not only improve the heat exchange efficiency of the system and reduce the fluctuation of indoor temperature, but
Read MorePhase change slurries (e.g. ice slurry), which are another heat storage and transport medium are also high functional thermal energy storage and transport media. However, particle size of dispersoids in them is relatively large and they are deposited in pipelines easily when phase change slurries are transported using pipelines [ 9, 10 ].
Read MoreModeling metal foam enhanced phase change heat transfer in thermal energy storage by using phase field method Int. J. Heat Mass Transfer, 99 ( 2016 ), pp. 170 - 181 View PDF View article View in Scopus Google Scholar
Read MoreIce is well-known to be the most environmentally friendly phase change material (PCM) available and has been widely applied in many fields because of a high energy storage density [15]. Therefore, slurry ice
Read MoreFor example, the use of the surrounding rock to save cold energy or heat (Ghoreishi-Madiseh et al. 2017), the cooling method of adding Phase Change Material (PCM) to backfill material (Wang et al
Read MoreThe phase change heat of ice and the heat conduction of backfill are the main factors affecting the heat transfer of backfill slurry. Secondly, heat transfer between the radiant clapboard and the stope is carried out by cold radiation and natural convection, which reduces the stope temperature and achieves the purpose of cold load/storage functional
Read MoreSystem and Heat Transfer Analysis on Phase-Change Heat Storage Backfill for Exploitation of investigations on the performance of such a seasonal thermal energy storage pattern [100,101]; they
Read MorePhase change materials are widely used as core materials for thermal energy storage. The shell material is built to protect the PCMs from leakage and contact against the environment. The microencapsulation methods have been studied in various fields such as medical science [9] and food storage [10], [11] .
Read MoreAs an energy storage medium, phase change energy storage materials can store and release energy using their own phase change process. Therefore, when using PCMs for backfilling, the change range of soil temperature around the ground heat exchanger can be affected by releasing or absorbing latent heat through a phase
Read MorePhase change material (PCM)-based thermal energy storage significantly affects emerging applications, with recent advancements in enhancing heat capacity and cooling power. This perspective by Yang et
Read More2 · Meanwhile, Delgado et al. [36] designed a thermal energy storage system comprising spiral coil heat exchangers and storage tanks, comparing it with alternative heat storage systems. The emulsion storage tank''s heat transfer coefficient and thermal storage density surpassed that of the water tank by 2–6 times and 34 %, respectively, indicating
Read MoreYang Weibo, Sun Lulu, Wu Xuan. Energy storage and heat transfer characteristics of ground heat exchanger with phase change backfill materials[J]. Transactions of the Chinese Society of Agricultural Engineering (Transactions of the
Read MoreNumerical investigation on the heat storage/heat release performance enhancement of phase change cemented paste backfill body with using casing-type heat pipe heat exchangers Author links open overlay panel Xueli Wang a, Pengju Zhang a, Yan Du b, Lang Liu a c, Jiabin Fang d, Changfa Ji a, Mei Wang a, Bo Zhang a, Chao Huan a
Read MoreCold load and storage (CLS) functional cemented paste backfill (CPB) is a novel mine cooling method that adds phase change material (PCM) to the backfill slurry to cool adjacent stopes [1]. In this method, the latent heat characteristics of PCM in CPB are used to solve the problem of high temperature working environment, which can be
Read MoreThe spherical paraffin microcapsules with phase-change temperature of 30 and particle size of 5–10 μm, which use polymethyl methacrylate as coating material and paraffin as phase change medium, were selected
Read MoreThe heat transfer behavior of a backfill body plays a key role in technology system. We numerically simulated the heat transfer among a backfill body, surrounding rock, and
Read MoreIn this study, a phase change cemented paste backfill body with casing-type heat pipe heat exchanger (HP-PCB) system was proposed to extract the waste
Read MoreThe research on mine geothermal energy exploitation has attracted global interest for many years. This paper proposes an innovative new method for geothermal-coal synergetic mining (GE-COSM) to expand the valorization of coal-based solid waste (C-BSW), reduce the environmental damage caused by coal utilization, and achieve a low-carbon
Read MoreO phase change energy storage system," Energy Conservation, vol. 9, pp. 13–17, 2007. [15] W. B. T ao and R. H. Xie the concept of phase-change heat storage backfill was put forward in this
Read MoreIn view of high ground stress, high geothermal temperature, and thermal hazard during deep mineral resource exploitation, the concept of phase-change heat storage backfill was put forward in this study. Further, the corresponding technical system was constructed and the main content involved in technical system, which is the
Read MoreBased on FLUNET numerical simulation, phase change heat storage technology and heat transfer theory, heat storage backfill body with tube-in-tube heat exchanger is taken as research object. The influences of thermal environment are revealed during its phase change heat storage process.
Read MoreThis study can provide theoretical guidance for a phase-change heat storage backfill, as it has an important significance for the collaborative exploitation of
Read MorePhase change materials (PCMs) allow the storage of large amounts of latent heat during phase transition. They have the potential to both increase the efficiency of renewable energies such as solar
Read MorePhase change backfill materials with a high graphite volume fraction can improve the heat transfer performance of PHC energy piles. This improvement is pivotal
Read MoreAs the photovoltaic (PV) industry continues to evolve, advancements in phase change energy storage particle backfill have become instrumental in optimizing the utilization of renewable energy sources. From innovative battery technologies to smart energy management systems, these solutions are transforming the way we store and distribute solar-generated electricity.
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