conical energy storage

Experimental Study on the Melting Behavior of a Phase

Mahdi et al. [22] used a conical tube heat exchanger as an energy storage system. According to that study, using a conical tube instead of a cylindrical tube greatly reduces the PCM melting time. ...

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Enhanced heat transfer in a phase change energy storage with …

Thermal energy storage (TES) using PCM can store solar energy for later use that is employable in buildings, solar systems, and heat energy recovery systems [1] ... The solid accumulation near TES''s bottom takes a long time for complete melting. A conical and helical coil is used near PCM accumulation to expedite melting. Employing such coils ...

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Performance optimization and comparative study of a conical …

This research aimed to establish the optimal diameter of aluminum balls for cost-effective energy storage in conical solar stills to enhance their efficiency. Therefore, during two days, studies were conducted utilizing three identical hemispherical distillates constructed with metal balls ranging in size from 1.5 cm to 2.5 cm (July 2023). 2.

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Unsteady characteristic and flow mechanism of a scroll compressor in small-scale compressed air energy storage …

Compressed Air Energy Storage (CAES) has long been considered a means of improving power quality, reliability, in addition to yielding other benefits [1], [2]. Compared with battery storage technologies, the CAES system has advantages of relative low cost, long life and simple maintenance.

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Enhancement of the charging and discharging performance of a vertical latent heat thermal energy storage unit via conical …

1. Introduction For the past few decades, the global warming intensification induced by the over consumption of fossil fuels gradually enlightens people to resort to the nonpolluting renewable energy [1, 2], among which the solar energy has been paid significant attention to due to the advantages of inexhaustible, nontoxic, broadly available …

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Performance of conical ammonia dissociation reactors for solar thermochemical energy storage,Applied Energy …

Solar thermochemical energy storage cannot only have a high energy density but the capability of storing energy at ambient temperature with little heat loss. Recently, lots of research has been done to advance the heat recovery process of an ammonia synthesis system in the context of ammonia-based solar thermochemical energy storage.

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Experimental optimization of conical solar distillers using graphite ...

The effectiveness and production enhancement of a conical solar distiller by low-cost energy storage material were the subject of experimental study by Attia et al. (2023a). Energy storage materials in the form of 1.4 cm diameter stainless steel balls with varying spacing between them were employed.

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Performance of end-capped multi-segmented conical tubes

The overall results of this study showed that the proposed end-capped multi-segmented conical tubes filled with foam are considerable energy-absorbing …

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Applied Thermal Engineering

A new conical Latent Heat Thermal Energy Storage (LHTES) system was proposed. Thermal behavior and performance of the conical and cylindrical systems was …

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Performance of conical ammonia dissociation reactors for solar ...

The effective energy storage densities of the CaO silo is shown to be over 260 kWh/m3 with reasonable activities of the solids when storing CaO solids in the silo at …

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Performance enhancement of a conical solar still by optimizing ...

Fig. 7 compares the energy effectiveness of three conical stills. Due to the conical energy efficiency reliant on the yield and water temperature, the average energy efficiency ratings for CoSS-60, CoSS-45, and CoSS-30 are 32.26, 42.73, and 49.80%, respectively. ... Optimal size of black gravel as energy storage materials for …

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Comparative investigation on the heat transfer performance of an …

Latent heat thermal energy storage systems can effectively fill the gap between energy storage and application, and phase-change materials (PCMs) are …

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Comparison of heat transfer between cylindrical and conical vertical shell-and-tube latent heat thermal energy storage …

Seddegh et al. [11] developed vertical cylindrical and conical shell LHTESS and found that the energy storage rate enhanced by 12% using the conical shell design.

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Design assessment of a horizontal shell and tube latent heat storage …

Sustainable solar technologies such as thermal energy storage have succeeded in overcoming the supply shortage arising due to the non-existence of solar radiation. ... Investigation of charging and discharging characteristics of a horizontal conical shell and tube latent thermal energy storage device. Energy Convers. Manag., 188 …

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Thermal performance evaluation of a conical solar water heater ...

The experimental setup and a detailed description of the conical solar water heater assembly are provided in Fig. 1, Fig. 2, respectively.The important geometry sizes, materials and characteristics of CSWH system are shown in Table 2.A series of experiments was conducted between May 2013 and August 2013 at Kangwon National …

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Numerical investigation of melting process enhancement in shell …

Efficient energy storage rates are crucial for latent heat energy storage units. Building on previous studies highlighting the benefits of shell and helical tube configurations, which enhance energy storage rates through increased heat exchange areas, this research introduces a novel configuration featuring a combination of conical …

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Comparison of heat transfer between cylindrical and conical vertical shell-and-tube latent heat thermal energy storage …

Finally, the thermal energy storage performance between the vertical cylindrical and conical storage systems was compared. Fig. 3 shows the comparison of the PCM temperature between the experimental data and simulation results at the selected point 3A at a charging temperature of 80 °C and flow rate of 10 L/min.

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Comparison of heat transfer between cylindrical and conical …

A conical design for the shell of latent heat thermal energy storage systems is combined with a diametrically magnetized cylindrical magnet to improve its performance. Numerical simulations explore the effect of the non-uniform magnetic field on latent heat thermal energy storage systems with conical enclosures at different tilting …

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Effect of conical coiled heat transfer fluid tube on ...

The charging of PCM was improved in vertical thermal energy storage using a small conical HTF coil at the bottom of the container (Punniakodi and Senthil, 2020). The lower inclination of an SWH of ...

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Charging performance evaluation of finned conical thermal storage …

The temporal variation of stored energy for cylindrical and conical shaped LHSS is shown in Fig. 7. The conical shaped LHSS shows 7% more energy storage performance than a cylindrical LHSS due to faster melting. These findings are consistent with a recent experimental study [24] which shows an improved convective heat flow in …

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The Thermal Charging Performance of Finned Conical Thermal Storage …

2. Mathematical Model. In this work, a conical shell-and-tube with inclined copper fins used to store the latent heat energy is employed. As can be seen in Figure 1 a–d, the NePCM is poured into the conical units, and heat transfer fluid (HTF) passes the central copper tube. Since the tube''s thermal conductivity is high and its thickness is low, it can be ignored in …

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Augmenting the performance of pyramid distiller via conical absorbing surface, reflectors, condenser, and thermal storing …

This conical absorber was covered with a wick material, which leads to a reduction in the medium quantity of the pyramid distiller, ... Journal of Energy Storage, Volume 47, 2022, Article 103573 A.S. Abdullah, …, M.M. Younes Show 3 …

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Applied Thermal Engineering

A new conical Latent Heat Thermal Energy Storage (LHTES) system was proposed. Thermal behavior and performance of the conical and cylindrical systems was compared. The conic design showed a ...

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Experimental and numerical analysis of unsteady state conditions …

Experimental and numerical analysis of unsteady state conditions on thermal storage performance of a conical spiral shell-tube energy storage system. …

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Applied Thermal Engineering

Research Paper Comparison of heat transfer between cylindrical and conical vertical shell-and-tube latent heat thermal energy storage systems Saeid Seddegha, S. Saeed Mostafavi Tehranib, Xiaolin ...

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Simulation study on charging performance of the latent energy storage heat exchanger with a novel conical …

It is found that the thermal energy stored in phase change material for semi-circular latent heat thermal energy storage system is 416.4 kJ which is 12.04 % more as compared to thermal energy ...

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Investigation of charging and discharging characteristics of a ...

It can be observed that the energy storage/discharge rate of the conical shell LHS system is higher than that of cylindrical shell system. Download : Download high-res image (356KB) Download : Download full-size image; Fig. 15. Energy stored/discharged rates of the conical shell and the cylindrical shell system for (a) charging and (b) …

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Enhancement of the charging and discharging performance

Request PDF | Enhancement of the charging and discharging performance of a vertical latent heat thermal energy storage unit via conical shell design | Adopting phase change materials (PCMs), the ...

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Performance of conical ammonia dissociation reactors for solar ...

In the discharging loop, the stored energy can be recovered on demand by utilizing the exothermic reaction, i.e., ammonia synthesis reaction, to heat a working fluid, e.g., sCO2, for power ...

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Investigation of charging and discharging characteristics of a ...

Seddegh et al. [11] developed vertical cylindrical and conical shell LHTESS and found that the energy storage rate enhanced by 12% using the conical shell design.

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The heat transfer enhancement of the converging ...

Fig. 1 illustrates shell-and-tube latent heat thermal energy storage (LHTES) units featuring various CDTs. In these units, water is utilized as the heat transfer fluid (HTF) and flows to the tubes from the top to the bottom, while PCM RT35 (paraffin with T m =307.15 K) is encapsulated in the shell side. The thermophysical properties of the …

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Experimental study on the melting behavior of a phase change …

An experimental study on the melting behavior of paraffin wax used as a phase change material (PCM) in a conical coil latent heat energy storage unit (LHSU) was performed. The experiments were conducted concurrently for conical coil and normal coil LHSUs to compare their thermal performances. The effect of heat transfer fluid (HTF) …

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Investigation of charging and discharging characteristics of a ...

@article{Sodhi2019InvestigationOC, title={Investigation of charging and discharging characteristics of a horizontal conical shell and tube latent thermal energy storage device}, author={Gurpreet Singh Sodhi and Abhishek Jaiswal and K. Vigneshwaran and Palanisamy Muthukumar}, journal={Energy Conversion and Management}, …

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Simulation study on charging performance of the latent energy …

The configuration optimization of a vertical shell-and-tube LHTES unit is carried out in this paper to enhance heat storage rate, and the effects of cone angle …

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Experimental study on the melting behavior of a phase change …

An experimental study on the melting behavior of paraffin wax used as a phase change material (PCM) in a conical coil latent heat energy storage unit (LHSU) was performed. The experiments were conducted concurrently for conical coil and normal coil LHSUs to compare their thermal performances. The effect of heat transfer fluid (HTF) inlet …

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Heat transfer enhancement technology for fins in phase change energy storage …

Abstract. In the process of industrial waste heat recovery, phase change heat storage technology has become one of the industry''s most popular heat recovery technologies due to its high heat storage density and almost constant temperature absorption/release process. In practical applications, heat recovery and utilization speed …

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Experimental study on the melting behavior of a phase change material in a conical coil latent heat thermal energy storage unit …

An experimental study on the melting behavior of paraffin wax used as a phase change material (PCM) in a conical coil latent heat energy storage unit (LHSU) was performed. The experiments were conducted concurrently for conical coil and normal coil LHSUs to compare their thermal performances.

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Journal of Energy Storage

In a conical coil-shaped thermal energy storage unit, experimental research on the charging behavior of PCM was conducted [12]. Conical coil and conventional coil were subjected to the same procedures to evaluate their thermal characteristics and the impact of the inlet temperature of heat transfer fluid. For both the cylindrical and conical ...

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The effect of conical shell and converging/diverging tube on the ...

The effect of conical shell and converging/diverging tube on the charging performance of shell and tube latent heat thermal energy storage system August 2023 DOI: 10.1016/j.est.2023.107262

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