Energy storage charging pile group heating plate
A DC Charging Pile for New Energy Electric Vehicles
Journal of Electrical Engineering & Technology (2023) 18:4301–4319 43031 3 Fig. 1 Block diagram of the DC charging pile system Fig. 2 The charging unit consisting of a Vienna rectier, a DC transformer, and a DC converter 4304 Journal of Electrical Engineering
Thermal Performance of an Energy Pile Group with a Deeply Penetrating U-Shaped Heat …
This study presents a novel heat exchanger configuration, called a deeply penetrating U-shaped configuration, for energy piles. The outlet water temperature, temperature variation along the tube, and heat transfer rate are simulated and computed using Comsol Multiphysics software. The simulations are for the cooling mode. The …
Heat exchange performance of an energy-pile group in a hybrid …
The results indicate that the proposed 2D-3D coupled modeling approach is able to simulate the heat exchange performance of large-scale energy pile groups. Pile …
Energy Pile Groups for Thermal Energy Storage in Unsaturated …
Geothermal energy piles (GEPs) are an environmentally friendly heat exchange technology that dualizes the role of the structural foundation pile for load support and in meeting the ...
A study on heat transfer characteristics and pile group influence of ...
The concrete energy pile system consists of circulating liquid, heat exchange pipes, concrete and soil. The structural diagram is shown in Fig. 1.There is a certain difference between the temperature of the circulating liquid and the temperature of the soil during the heat exchange process in the energy system, and the medium that …
Energy Pile Groups for Thermal Energy Storage in
When comparing the performance of energy pile groups with a group of borehole heat exchangers commonly used in heat storage applications, the energy piles were approximately 1.2 times more ...
Design And Application Of A Smart Interactive Distribution Area For Photovoltaic, Energy Storage And Charging Piles
With the construction of the new power system, a large number of new elements such as distributed photovoltaic, energy storage, and charging piles are continuously connected to the distribution network. How to achieve the effective consumption of distributed power, reasonably control the charging and discharging power of charging piles, and achieve …
Experimental and numerical investigations on thermo-mechanical …
The TM behavior of energy pile group are affected by their start-stop time ratios. Increasing the start-stop time ratio of energy pile group can improve the total …
Multi-objective optimization and evaluation of the building …
The energy-pile GSHP subsystem consists of a heat pump (HP) unit, energy piles, and an HP pump. The BIPV/T subsystem is composed of PV/T collectors, a heat storage tank (HST), and a PV/T pump. The energy-pile GSHP subsystem provides building heating and cooling by the energy pile serving as the heat source in winter and heat sink in summer.
Heat Transfer Performance and Operation Scheme of the Deeply Buried Pipe Energy Pile Group
This paper describes a study on the heat transfer properties of the deeply buried pipeline energy pile group, which is an efficient and convenient geothermal development technology. Through in situ experiments and a simulation algorithm, the research investigated the heat transmission characteristics of the deeply buried pipe …
Thermal runaway characteristics and failure criticality of massive ternary Li-ion battery piles in low-pressure storage …
Nomenclature Symbols A surface area (m 2) D battery pile diameter (m) E activation energy (J/mol) Gr Grashof number (-) h heat transfer coefficient (W/m 2-K) H battery height (m) ΔH heat of reactions (kJ/kg) k thermal conductivity (W/m-K) L characteristic length
Heat exchange behavior of the phase change energy pile under …
On the evaluation of design parameters effects on the heat transfer efficiency of energy piles[J]. Energy and Buildings, 2011, 43(4):1020-1029. [4] YANG W B, LU P F, CHEN Y P. Laboratory investigations of the thermal performance of an energy pile with spiral
Response of energy pile-soil structure and pile group effect: An …
The main body of the device is a box container made of steel plate splicing, with a size of 2 m × 2 m × 2 m. The model is shown in Fig. 1.The length of heat exchange pile is 1.8 m, the length embedded in the soil is 1.6 m, the equivalent proportion with the energy pile actually used in the project is approximately 1:10; fill the model box with 1.8 …
Thermal Runaway Characteristics and Failure Criticality of Massive Ternary Li-ion Battery Piles in Low-Pressure Storage …
Y. Liu, H. Niu, Z. Li, J. Liu, C. Xu, X. Huang (2021) Thermal Runaway Characteristics and Failure Criticality of Massive Ternary Li-ion Battery Piles in Thermal Runaway Characteristics and Failure
Constructability and heat exchange efficiency of large diameter cast-in-place energy piles with various configurations of heat exchange …
Various heat exchange pipe configurations were installed in large-diameter cast-in-place concrete piles. • The 8-pair- and 10-pair-parallel U-type energy piles demand more time and effort for installation. • Relative heat exchange efficiency is …
Heat exchange performance of an energy-pile group in a hybrid GSHP system and effects of pile …
Setting the transfer power at the pile spacing of 10 m as P single, the heat exchange group pile coefficient η is calculated to be 0.165, 0.470, 0.732, and 1 for pile spacings of 2 m, 4 m, 6 m, and 10 m, respectively (Fig. 18).When the pile spacing is …
A review on energy piles design, evaluation, and optimization
Understanding the heat transfer across energy piles is the first step in designing these systems. The thermal process goes in an energy pile, as in a borehole heat exchanger, in different stages: heat transfer through the ground, conduction through pile concrete and heat exchanger pipes, and convection in the fluid and at the interface …
Thermomechanical performance analysis of MicroPCM-enhanced energy pile ...
Energy pile is a form of pile foundation that combines load-bearing and heat exchange, marking a pivotal avenue for harnessing geothermal energy. Recent strides in research have highlighted the incorporation of microencapsulated phase change materials (MicroPCM) into energy piles due to their potential to amplify heat transfer efficiency.
Self-heating ignition of open-circuit cylindrical Li-ion battery pile: Towards fire-safe storage …
The Lithium ion (Li-ion) battery has been widely used in most of the portable electric devices, electric vehicles, and energy storage systems because of their extremely high-power density [1], [2], [3] practice, a large quantify of Li-ion batteries are tightly packed to ...
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