Energy piles, combined ground source heat pumps (GSHP) with the traditional pile foundation, have the advantages of high heat transfer efficiency, less space occupation and low cost. This paper …
Geothermal energy pile is a remarkable alternative energy source that can provide heating and cooling energy to meet the energy demands in buildings. This study aims to quantify and expand the knowledge on the thermal storage performance of the geothermal pile system embedded with phase change material containers as …
The simulation results of this paper show that: (1) Enough output power can be provided to meet the design and use requirements of the energy-storage charging pile; (2) the control guidance ...
Prevention and control of spontaneous combustion of coal storage pile primarily used to gravity heat pipe as a highly efficient heat transfer device, gravity heat pipe structure and working principle schematic diagram in Fig. 1.Gravity heat pipe is generally composed of three parts: evaporation section, heat transfer section and condensation …
Because energy storage technology has the functions of shaving peaks and filling valleys, smoothing loads, and improving power grid characteristics, it can …
Abstract: In order to study the ability of microgrid to absorb renewable energy and stabilize peak and valley load, This paper considers the operation modes of wind power, photovoltaic power, building energy consumption, energy storage, and electric vehicle charging piles under different climatic conditions, and analyzes the modeling and analysis of the "Wind …
The evaluation and optimal design of energy piles is an emerging research direction in recent years. Huang et al. [] proposed a new type of independent drawable double helix energy pile and evaluated its heat pumping effect by numerical simulation.Alberdi-Pagola et al. [] verified and optimized an actual energy pile …
China has built 55.7% of the world''s new-energy charging piles, but the shortage of public charging resources and user complaints about charging problems continues. ... Many papers have …
Compressed air energy storage (CAES) has been re-emerging over the last decades as a viable energy storage option, and the authors have recently explored the idea of utilizing building foundations (termed as CAES piles) as small-scale storage media for the air charge and load-bearing elements under simplified conditions. This paper …
The new version of DST, the duct ground heat storage model, is chosen to simulate the energy piles (Pahud et al., 1996). The following features are implemented in the DST version:
The charging pile energy storage system can be divided into four parts: the distribution network device, the charging system, the battery charging station and the real-time monitoring system . On the charging side, by applying the corresponding software system, it is possible to monitor the power storage data of the electric vehicle in the ...
Energy piles, combined ground source heat pumps (GSHP) with the traditional pile foundation, have the advantages of high heat transfer efficiency, less space occupation and low cost. This paper summarizes the latest research on the heat transfer and bearing capacity of energy piles. It is found that S-shaped tubes have the largest …
In response to the issues arising from the disordered charging and discharging behavior of electric vehicle energy storage Charging piles, as well as the dynamic characteristics of electric vehicles, we have developed an ordered charging and discharging optimization scheduling strategy for energy storage Charging piles …
Moreover, a coupled PV-energy storage-charging station (PV-ES-CS) is a key development target for energy in the future that can effectively combine the advantages of photovoltaic, energy storage …
One of the technologies is to treat the pile foundation as a heat-exchanger, the so-called energy pile, to enable an exchange of heat with the surrounding soil by …
Abstract With the widespread of new energy vehicles, charging piles have also been continuously installed and constructed. In order to make the number of piles meet the needs of the development of new energy vehicles, this study aims to apply the method of system dynamics and combined with the grey prediction theory to determine …
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