By injecting thermal energy in summer and extracting it in winter, the ground in the area of a building''s piles can be used for seasonal energy storage, as long as the underground water flow in ...
DOI: 10.1016/J.CSITE.2021.101313 Corpus ID: 238684766 Performance of a full-scale energy pile for underground solar energy storage @article{Wu2021PerformanceOA, title={Performance of a full-scale energy pile for underground solar energy storage}, author={Di Wu and Gangqiang Kong and Liu Hanlong and Jiang Ning Qiang and Qing …
Based on the research status of phase-change material (PCM) energy piles, this paper proposes a new type of PCM energy pile-spiral tube-encapsulated PCM …
This review-study represents the current state of knowledge about the thermal and thermo-mechanical behaviors of energy piles. It also investigates the key parameters that affect …
Because of the intermittent nature of renewable energy such as solar and wind energy, an energy storage system is needed to maximize the utilization efficiency of renewable energy. Of the different methods for energy storage, compressed air energy storage (CAES) is a promising one for storage of renewable energy. CAES can be …
The energy storage charging pile achieved energy storage benefits through charging during off-peak periods and discharging during peak periods, with benefits ranging from 646.74 to 2239.62 yuan. At an average demand of 90 % battery capacity, with 50–200 electric vehicles, the cost optimization decreased by 16.83%–24.2 % before and …
This paper proposes an en ergy. storage pile power supply sy stem for charging pile, wh ich aims to optimize the use and manage-. ment of the energy storage structure of charging pile and increase ...
The battery energy storage technology is applied to the traditional EV (electric vehicle) charging piles to build a new EV charging pile with integrated charging, discharging, and storage; Multisim software is used to build an EV charging model in order to simulate the charge control guidance module. The traditional charging pile …
This paper investigates the behavior of a single energy pile with three different mechanical head loads (65, 115, and 185 N) and also the effect of pile temperature on its bearing …
Energy piles in Turku Toriparkki, nollaE. Support piles double as heat exchangers. 50 m depth. Store passive solar heat from the market square into wet clay. Used to heat parking hall and keep the market square free of snow. 11.2 GWh storage capacity. 6.6 MW maximum power.
Appl. Sci. 2020, 10, 6597 4 of 17 19]. The more piles in a group, the higher the soil''s temperature was observed [18,19]. Since the thermal transfer mechanism is similar between the thermo‐active pile and the energy storage pile, comparisons of the temperature ...
In terms of zero-carbon electricity, the scheme of wind power + photovoltaic + energy storage + charging pile + hydrogen production + smart operation platform is mainly considered to achieve carbon reduction at the electric power level. In terms of carbon offset, the carbon inventory is first used to recognize the carbon emissions.
It interprets the complex performance of energy piles, expands knowledge on their evaluation criteria and design parameters, and provides design …
Semantic Scholar extracted view of "Underground solar energy storage via energy piles: An experimental study" by Qijie Ma et al. DOI: 10.1016/j.apenergy.2021.118042 Corpus ID: 243475465 Underground solar energy storage via energy piles: An experimental study ...
Energy storage needs to account for the intermittence of solar radiation if solar energy is to be used to answer the heat demands of buildings. Energy piles, which embed thermal …
Energy storage needs to account for the intermittence of solar radiation if solar energy is to be used to answer the heat demands of buildings. Energy piles, which embed thermal loops into the pile body, have been used as heat exchangers in ground source heat pump systems to replace traditional boreholes.
A new pile foundation system is being developed for renewable energy storage through a multi-disciplinary research project. This system utilizes the compressed air technology to store renewable energy inside the reinforced concrete pile foundation configured with hollowed sections. The compressed air can result in high air pressure to which the …
Wu et al. [41] investigated the solar energy storage capacity of an energy pile-based bridge de-icing system with the bridge deck embedded with thermal pipes severing as the solar collector. The ...
DOI: 10.1016/j.jobe.2021.103539 Corpus ID: 240345955 Structural responses of energy storage pile foundations under thermal-mechanical loadings @article{Bimaganbetova2021StructuralRO, title={Structural responses of energy storage pile foundations under ...
DOI: 10.1016/j.est.2022.106194 Corpus ID: 254322101 Performance of a compressed-air energy storage pile under various operation conditions @article{Ko2023PerformanceOA, title={Performance of a compressed-air energy storage pile under various operation conditions}, author={Junyoung Ko and Seung-Mi Kim and …
Semantic Scholar extracted view of "Benefit allocation model of distributed photovoltaic power generation vehicle shed and energy storage charging pile based on integrated weighting-Shapley method" by Q. Tan et …
Phase change energy piles were cast utilizing Gum Arabic and polyethylene glycol 600 door modeling tests were conducted on phase change piles and traditional piles. • Factors affecting the load-carrying performance of phase-change energy storage piles were
The soil''s thermal conductivity λ, and heat capacity C p along the radial distribution across the energy pile group cross section for Case 1 and Case 2 are shown in Fig. 10 (a), 10 (b), 10 (c), and 10 (d). The thermal conductivity and heat capacities of unsaturated soil will follow the same trend as the degree of saturation as shown in the ...
The small scale storage includes flexible bags under water, steel tanks above or below ground surface and pipelines above or below ground surface, which are flexible and can be used at different locations. In this paper, we briefly reviewed the different methods for CAES and studied the feasibility of using steel pipe piles for small scale …
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 considering time-of-use electricity …
In this study, to develop a benefit-allocation model, in-depth analysis of a distributed photovoltaic-power-generation carport and energy-storage charging-pile project was performed; the model was developed using Shapley integrated-empowerment benefit-distribution method.
Numerical Analysis of Seasonal Heat Storage Systems of Alternative Geothermal Energy Pile Foundations. AbstractGeothermal energy pile foundations are sustainable, cost-effective alternative energy systems for heating and cooling needs of buildings. This paper presents the thermal modeling of two….
Semantic Scholar extracted view of "Energy Pile Groups for Thermal Energy Storage in Unsaturated Soils" by F. Behbehani et al. DOI: 10.1016/j.applthermaleng.2022.119028 Corpus ID: 250648608 Energy Pile Groups for Thermal Energy Storage in Unsaturated Soils ...
An energy pile-based ground source heat pump system coupled with seasonal solar energy storage was proposed and tailored for high-rise residential buildings to satisfy their heating/cooling ...
The main goal of this study was to optimize the compressive strength of reactive powder concrete (RPC) for an energy storage pile application using response surface method (RSM). The compressive strength of 9 different RPC mixtures along with 3 plain concrete mixtures was determined.
An energy pile is a building emission reduction technology that uses geothermal energy. The energy it provides can meet most of the heating and cooling needs of buildings and has less impact on …
Geometry and ground surface leads to different energy pile and borehole performance. Overall system SCOP values ranging 2 to 4.5 stress the importance of proper sizing. Limited information on specific heat extraction values of energy piles is available. Models lack the ability to simulate the ground floor heat loss.
Energy storage is a technology that holds energy at one time so it can be used at another time. Building more energy storage allows renewable energy sources like wind and solar to power more of our electric grid.
There are two main different features of the energy pile-solar collector coupled system compared to the traditional borehole system for underground thermal …