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Experimental study of a phase change thermal energy storage with copper

The objectives of the present study are to assess copper foam interest as thermal conductivity enhancement technique for latent heat thermal energy storage and to compare copper foam with other heat transfer enhancement systems for shell-and-tubes heat exchangers. The best heat transfer fluid injection side is sought for charge and discharge.

Foam Energy Absorption | Duocel® Foam

Energy absorption using foam is an extremely reliable way to absorb kinetic energy by compressing at a constant stress over a set distance. Springs perform a somewhat similar function, but they rebound, hence they are energy storage devices, not energy absorbers.

Melting performance of a cold energy storage device filled with

Performance prediction of cold thermal energy storage (CTES) devices is an important step in guiding their design and application. However, related studies are limited, and some do not consider the influence of structural parameters. In this study, a CTES with metal foam–composite phase-change materials (PCMs) was built, and the influence mechanism of

Green building material with superior thermal insulation and energy

A novel building material composed of paraffin and foam cement, exhibiting both energy storage capabilities and superior thermal insulation performance. Abstract In the field of architecture and construction, foam cement has been gradually gaining popularity due to its outstanding attributes of reduced weight, carbon footprint, and potential

Numerical study on latent thermal energy storage systems with

The paper analyzes the behavior of a Latent Heat Thermal Energy Storage system (LHTES) with a Phase Change Material (PCM), with and without aluminum foam. A numerical investigation in a two-dimensional domain is accomplished to investigate on the system thermal evolution.

Experimental investigation on combined thermal energy storage

In the cooling cycle, beneficial from the latent heat storage/release of PCM, the case of pure PCM provided the most thermoelectric energy, followed by foam/PCM composite. The energy harvest from pure foam in the cooling cycle was negligible due to the absence of latent heat. Download : Download high-res image (193KB)

Employing perforated copper foam to improve the thermal

The performance of latent thermal energy storage units (LTESU) is limited by the low thermal conductivity of phase change materials (PCM). Copper foam can enhance PCM''s heat conduction, but its structure inhibits the internal natural convection.Based on this, the perforated copper foam was proposed to enhance the natural convection of PCM. The

Foam Energy Absorption | Duocel® Foam

Energy absorption using foam is an extremely reliable way to absorb kinetic energy by compressing at a constant stress over a set distance. Springs perform a somewhat similar function, but they rebound, hence they are energy

Thermal energy storage optimization using composite foam

A design of latent heat thermal energy storage (LHTES) unit for the rapid charging process of the nano-enhanced coconut oil inside an open-cell copper foam was proposed. A stream of hot liquid coconut oil was allowed to enter the thermal energy storage unit from the bottom and leave the unit from the top to accelerate the melting process. A heat

(PDF) Three-dimensional pore scale modelling of PCM-metal foam

This paper presents a study on the effect of pore size on energy absorption characteristics of a PCM-metal foam energy storage system. Different metal foam geometries are generated by using a

Optimization of thermal storage performance of cascaded multi

The study is focused on the heat transfer enhancement method for a latent heat thermal energy storage (LHTES) system with the three-stage axially cascaded multi-phase change materials (PCMs) and composite carbon foam. It was found that the comprehensive storage density evaluation (CSDE) of the LHTES system was enhanced up to 11.41 % under

Journal of Energy Storage

As further explained the CHT in metal foam and in the PCM is one of the mechanisms of heat transfer in the chamber. Using a porous medium enhances the effective TCC and consequently rises the convective heat transfer. The characteristics of metal foam can affect the energy storage process in the chamber. Download : Download high-res image (357KB)

Response to the design conditions of a tube-bundle thermal energy

Response to the design conditions of a tube-bundle thermal energy storage unit with paraffin-copper foam composite as a storage medium. Author links open overlay panel Ahmed Alhusseny a b, Nabeel Al-Zurfi a b, Qahtan Al-Aabidy a b, Thermal energy storage (TES) is an effective means to bridge the mismatch between the times of energy supply

Heat transfer enhancement in latent heat thermal energy storage

There are three typical categories of TES: sensible heat [6], latent heat [7] and thermo-chemical reaction [8]. Compared with sensible heat and thermo-chemical thermal heat energy storage, latent heat thermal energy storage (LHTES) has the following merits: (1) high thermal storage density, (2) temperature variation is small during the phase change process.

Renewable Energy

Energy, exergy and economic analysis of ceramic foam-enhanced molten salt as phase change material for medium- and high-temperature thermal energy storage Energy, 262 ( 2023 ), Article 125462 View PDF View article View in Scopus Google Scholar

Fast and stable solar/thermal energy storage via gradient SiC foam

1. Introduction. Depletion of fossil fuels and climate change have posed new challenges to the sustainable development of the whole world. Coupled with huge energy demand in human society, solar thermal utilization becomes one of the most promising techniques to solve these problems given its high efficiency due to the full-spectrum solar light harvesting

Analysis of charging performance of thermal energy storage

Among these methods, the employment of metal foam stands out as a straightforward and highly effective passive enhancement technique [15]. Liu et al. [16] analyzed the melting behavior of the shell-and-tube latent heat thermal energy storage unit (LHTESU) with and without metal foam.

Melting performance analysis of finned metal foam thermal energy

Among these methods, adding fins and metal foam are two relatively simple and efficient strengthening measures, and their applications in the latent heat thermal energy storage unit (LHTESU) have been intensively studied [11, 12].Safari et al. [5] studied the melting behavior of smooth tubes, straight-finned tubes, and bifurcated-finned tubes through experiments and

On the performance of melting features in a thermal energy storage

On the performance of melting features in a thermal energy storage unit: metal foam argumentation. Xiaohu Yang 1, Zhaoyang Niu 1, Jiabang Yu 1, Gang Liu 1, Xuanbo Wang 1, Mengyu Zhao 1 and Xiyang Yu 1. Published under licence by IOP Publishing Ltd

Performance prediction of a fin–metal foam–cold thermal energy storage

In this study, a cold thermal energy storage unit with metal foam and straight fins was constructed. On the basis of dimensionless analysis, experimental and numerical methods were used to investigate the structural parameters of straight fin and metal foam on the liquid fraction and effective Nusselt number (Nu*). Results showed that the

Analysis of charging performance of thermal energy storage

Among these methods, the employment of metal foam stands out as a straightforward and highly effective passive enhancement technique [15].Liu et al. [16] analyzed the melting behavior of the shell-and-tube latent heat thermal energy storage unit (LHTESU) with and without metal foam was found that the melting performance of the metal foam tube

Melting and energy storage characteristics of macro

In this study a novel encapsulated phase change material (PCM)-metal foam hybrid system is proposed for energy storage applications. The idea is to improve the melting rate of PCM in encapsulated

Melting Evaluation of Phase Change Materials Impregnated

1 天前· Metal foam promotes the heat transfer of phase change materials (PCMs) in the penalty of reducing the energy storage density of the composite PCMs. In this work, the effects of

Energy, exergy and economic analysis of ceramic foam-enhanced

Using renewable energy is one of the solutions to cope with the global energy crisis and the environmental issue [1, 2].However, some renewable energy resources, such as solar energy, have drawbacks of instability and intermittence, which impairs their efficiency [[3], [4], [5]].Thermal energy storage (TES) technology stores surplus thermal energy during the

Journal of Energy Storage

Energy, exergy and economic analysis of ceramic foam-enhanced molten salt as phase change material for medium- and high-temperature thermal energy storage Energy, 262 ( 2023 ), Article 125462 View PDF View article View in Scopus Google Scholar

Interlayer-spacing-regulated MXene/rGO Foam for Multi

The rapid development of portable and wearable devices has raised multifunction needs for the microcapacitors energy storage devices [1], [2], [3] general, it demands excellent self-discharge resistance to drive the whole system in the long term [4], well flexibility and self-healing properties to maintain structure stability in operation [5], as well as integration with

Effect of Porosity Gradient on the Solidification of Paraffin in a

Abstract. Thermal energy storage (TES) systems are a promising solution for reutilizing industrial waste heat (IWH) for distributed thermal users. These systems have tremendous potential to increase energy efficiency and decrease carbon emissions in both industrial and building sectors. To further enhance the utilization rate of industrial waste heat,

Solar-thermal conversion and thermal energy storage of graphene foam

Herein, we report a three-dimensional (3D) graphene foam and phase change material (PCM) composite for the seamlessly combined solar-thermal conversion and thermal storage for sustained energy

Experimental Study on Melting and Solidification Cycle of a Hybrid

Abstract. Phase change heat storage offers a practical solution to address the instability and intermittency of solar energy. However, the thermal conductivity of heat storage medium (phase change material) is low, which hinders its large-scale application. Metal foam and fins have proven effective in enhancing heat transfer performance. This study establishes a

Carbon nanotube/carbon foam thermal-bridge enhancing solar energy

Compared to other renewable energy sources, solar energy stands out due to its unlimited supply and wide distribution. However, solar energy is an unstable, discontinuous, and low energy density energy source [1, 2].Latent heat storage (LHS) is an ideal way to solve above problems of solar energy through the solar energy conversion and storage, because LHS has high thermal

Advances in thermal energy storage: Fundamentals and

Thermal energy storage (TES) systems store heat or cold for later use and are classified into sensible heat storage, latent heat storage, and thermochemical heat storage. Sensible heat storage systems raise the temperature of a material to store heat. [86]] encapsulation, and metal foam [84, [87], [88], [89], [90]].

Improved thermal energy storage with metal foam enhanced

The metal foam-PCM (MFPCM) based on the Primitive structure has the fastest thermal energy storage rate with melting time prominently reduced by 20% compared to the traditional structure (Lattice). The underlying mechanism can be attributed to a more continuous and compact internal structure of TPMS compared with traditional MFPCM by thermal

Experimental study of a phase change thermal energy storage

The objectives of the present study are to assess copper foam interest as thermal conductivity enhancement technique for latent heat thermal energy storage and to compare copper foam with other heat transfer enhancement

Journal of Energy Storage

Recently, Pu et al. [45] numerically studied a shell and tube thermal energy storage system with three different configurations of PCM‑copper foam composites: single PCM‑copper foam, radially multi-layered PCM‑copper foam and single PCM with gradient porosity copper foam. It was found that single PCM is more suitable than radial multiple

Cellulose-reinforced foam-based phase change composites for

The PPCNs demonstrated a noteworthy energy storage density (the corresponding enthalpy of melting is 126.18 J/g, and the relative enthalpy efficiency of up to 99.98 %) and excellent thermal conductivity (an improvement of 182 % compared to PEG). Phase change composite based on lignin carbon aerogel/nickel foam dual-network for multisource

Energy storage foam
Energy storage foam [PDF]

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