Phase change material-based thermal energy storage
SUMMARY. Phase change materials (PCMs) having a large latent heat during solid-liquid phase transition are promising for thermal energy stor-age applications. However, the …
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Review of the heat transfer enhancement for phase change heat storage devices …
The heat is converted into internal energy and stored. The heat storage density is about 8–10 times that of sensible heat storage and 2 times that of phase change heat storage. The device is difficult to design because the reaction temperature is usually high [9]. The research is still in the laboratory stage.
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Progress in the Study of Enhanced Heat Exchange in Phase Change Heat Storage Devices …
Abstract. In comparison with sensible heat storage devices, phase change thermal storage devices have advantages such as high heat storage density, low heat dissipation loss, and good cyclic performance, which have great potential for solving the problem of temporal and spatial imbalances in the transfer and utilization of heat …
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Experimental research of photovoltaic-valley power hybrid heating system with phase change material thermal storage …
Among the three types of thermal energy storage systems, latent heat thermal energy storage utilizing Phase Change Materials (PCMs) has recently garnered significant attention [14]. This is due to its numerous advantages, which include a high storage density, accessibility, ease of use, non-toxicity, non-corrosiveness, and …
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Heat transfer performance of a phase-change material in a rectangular shell-tube energy storage …
Paraffin wax, having a melting point of 322 K, was used as the PCM. To eliminate the risk of PCM spillage owing to an increase in the PCM volume when melted by heat, the degree of filling was less than 100%, and 14 kg of paraffin wax was filled. Fig. 1 shows the entire system. shows the entire system.
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Optimization of phase change thermal storage units/devices with multichannel flat tubes: A theoretical …
Parameter effect of a phase change thermal energy storage unit with one shell and one finned tube on its energy efficiency ratio and heat storage rate Appl. Therm. Eng., 93 ( 2016 ), pp. 50 - 60 View PDF View article View in Scopus Google Scholar
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Research on Optimization of Tube Structure of Phase …
To improve the economy of ground source heat pump heating system, the phase change material (PCM) energy storage equipment using off-peak power was researched in this paper.
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Phase change material-based thermal energy storage
Phase change materials (PCMs) having a large latent heat during solid-liquid phase transition are promising for thermal energy storage applications. However, …
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Progress in the Study of Enhanced Heat Exchange in Phase Change Heat Storage Devices …
PCM in solar air conditioning systems facilitates the absorption and release of heat, enabling air cooling and heating. PCM can store and release solar energy heat in solar thermal power generation systems, effectively generating electricity through steam turbine propulsion. The application of PCM thermal energy storage systems has also …
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Numerical analysis on the energy storage efficiency of phase change …
DOI: 10.1016/J.APPLTHERMALENG.2017.05.075 Corpus ID: 113491390 Numerical analysis on the energy storage efficiency of phase change material embedded in finned metal foam with graded porosity In the …
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Analysis of melting and solidification processes in the phase-change device of an energy storage interconnected heat pump system …
For such a spherical heat storage unit, numerical simulations were performed for two spherical erythritol-filled units having different diameters. 12 In the simulation, the external convection process of the sphere, heat conduction of the wall of the sphere, natural convection of the liquid phase inside the sphere, volume expansion of the …
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Experimental study of thermal performance in a rectangular finned-tube latent heat storage device …
Phase change materials and geometric structure of latent heat storage (LHS) devices constitute crucial factors affecting the performance of phase change thermal energy storage systems. In this study, focusing on the LHS system with a heat source temperature of 150 °C, a rectangular finned-tube latent heat storage device was …
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Progress in the Study of Enhanced Heat Exchange in Phase …
provides a review of enhanced heat transfer in phase change thermal storage devices from two aspects: internal structure enhanced heat transfer and heat exchange medium …
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Analysis of melting and solidification processes in the phase-change device of an energy storage interconnected heat pump system …
Analysis of melting and solidification processes in the phase-change device of an energy storage interconnected heat pump system May 2020 AIP Advances 10(5):055021
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Research on Optimization of Tube Structure of Phase Change …
In view of the low heat transfer efficiency of the phase-change heat storage device and the inability to quickly respond to temperature changes, the fluid …
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Rate capability and Ragone plots for phase change thermal energy storage
Thermal energy storage can shift electric load for building space conditioning 1,2,3,4, extend the capacity of solar-thermal power plants 5,6, enable pumped-heat grid electrical storage 7,8,9,10 ...
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Experimental study on thermal performance of phase change heat storage device with rectangular shell structure …
A phase change heat storage device with rectangular shell structure is designed.Paraffin is used as a phase change material.The total heat release of the heat storage unit is 61.06 MJ. • The results will provide reference for …
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Thermal performance of dual S-channel air-type phase change energy storage device …
The air-type phase change energy storage device (AT–PCESD) exchanges heat with air and uses the latent heat from the phase change materials (PCMs). The dual S-channel AT–PCESD can store and release heat separately and shortens the length of the device. Both the numerical simulation method and experimental verification …
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Assessment on the melting performance of a phase change material based shell and tube thermal energy storage device …
The independence of grid has been checked by employing the device containing 60 leaf-shaped fin as modelling case. The simulation results on the PCM average temperature at five different grid systems of 31,222, 56,638, 79,020, 102,674 and 123,982 are shown in Fig. 3..
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Performance optimization of phase change energy storage combined cooling, heating …
Phase change energy storage combined cooling, heating and power system constructed. • Optimized in two respects: system structure and operation strategy. • The system design is optimized based on GA + BP neural network algorithm. • …
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Study on the thermal storage performance of a new electric heating device with phase change …
The phase change regenerative electric heating device designed in this paper is shown in Fig. 1.The device is mainly composed of a heat storage furnace shell, heat exchange coil, electric heating rods, and multiple PCMs. Among them, the furnace body is about 4 ...
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Heat transfer and energy storage performances of phase change materials encapsulated in honeycomb cells …
Thermal energy storage devices are vital for reducing the inconsistency between energy supply and demand as well as for enhancing the performance of solar thermal systems. The present study investigates the melting process in metallic honeycombed heat exchangers filled with n-octadacane as phase change material (PCM).
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Experimental Investigation and The Development of Phase Change Heat Storage Device Adapted to The Solar Energy Heat …
Experimental Investigation and The Development of Phase Change Heat Storage Device Adapted to The Solar Energy Heat Pump December 2013 Advanced Materials Research 860-863:191-195
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Research progress of phase change thermal storage technology in air-source heat …
Combining the phase change thermal storage unit with the condensing side of the air-source heat pump, and the condensing heat is recovered by using the phase change thermal storage unit. The heat is stored during the day and supplied at night, avoiding the need for the air-source heat pump to operate at low temperatures.
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A review of performance investigation and enhancement of shell and tube thermal energy storage device containing molten salt based phase change ...
Many excellent works have been carried out to review the PCMs based thermal energy storage technologies from the materials properties to devices performance enhancement and system integration. Ibrahim et al. [12] presented a review on various techniques of heat transfer enhancement in latent heat thermal energy storage …
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Metal foam reinforced phase change material energy storage device…
The latent heat thermal energy storage (LHTES) technology based on solid-liquid phase change material (PCM) is of great significance for the efficient utilization of thermal energy. To address the issues of slow thermal response and non-uniform melting of the LHTES technology, a hybrid heat transfer enhancement method combined with …
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Advances in thermal energy storage: Fundamentals and …
Sensible heat storage (SHS) involves heating a solid or liquid to store thermal energy, considering specific heat and temperature variations during phase change processes. Water is commonly used in SHS due to its abundance and high specific heat, while other substances like oils, molten salts, and liquid metals are employed at …
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Novel phase change cold energy storage materials for …
Blended SCD and DHPT with different proportions in the molten state, and conducted DSC test. The results showed that DHPT was a remarkable phase change temperature regulator. As shown in Fig. 2 a, the melting temperature of pure SCD was 33.6 C, and the melting latent heat was 222.6 J/g. ...
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Experimental investigation on thermal performance of porous composite phase change storage device …
In addition to improving the thermophysical properties of PCMs, it is also essential to effectively store and release heat in energy storage devices. The methods proposed so far include two forms: extending the heat transfer surface (e.g. using fins [25], finned heat pipes [26], channel structures [27] and encapsulated PCM [28]) and …
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Heat transfer mechanism and structure design of phase change materials to improve thermoelectric device …
Adding the foam enhances the heat flux through the phase change material by reducing the overall thermal resistance in the energy storage unit. Replacing the case 2 with new case 3 diminished the hot and cold side temperatures without decreasing the output voltage up to 8% and 7%, respectively.
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(PDF) Progress in the Study of Enhanced Heat Exchange in Phase Change Heat Storage Devices …
the most promising thermal storage potential. They have high. thermal storage density, readily available materials, and an. isothermal phase change process. 4, 5. They are widely used in. fields ...
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Design and operational strategy optimization of a hybrid electric heating system with phase change materials for energy storage …
To enhance PV self-consumption capacity in nZEBs, a hybrid electric heating system with phase change materials (PCM) for energy storage using photovoltaic (PV) and grid power was developed. To study the system''s performance, an experimental bench was set up, and mathematical models for energy efficiency and operational …
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Study on the thermal storage performance of a new cascade structure phase change thermal storage …
latent heat thermal energy storage PCM phase change material TES thermal energy storage 1. Introduction The mismatch between thermal energy supply and demand has always been a challenge in sustainable energy applications [1], [2], [3]. ...
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Rate capability and Ragone plots for phase change thermal …
This research sets a clear framework for comparing thermal storage materials and devices and can be used by researchers and designers to increase clean …
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(PDF) Progress in the Study of Enhanced Heat Exchange in …
In comparison with sensible heat storage devices, phase change thermal storage devices have advantages such as high heat storage density, low heat …
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