phase change material Articles
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Entropy generation assessment of shell and tube latent heat storage unit
Thermodynamic optimisation for latent heat thermal energy storage unit (LHSU) is carried out using the theory of minimisation of entropy generation number. The influence of key parameters like heat transfer fluid (HTF) inlet temperature, initial temperature of phase change material (PCM) and mass flow rates of HTF on entropy generation number is analysed. Analysis is carried out for two PCMs, ...
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CO2 mitigation with thermal energy storage
Thermal Energy Storage (TES) provides us with a flexible heating and/or cooling tool to combat global warming through conserving energy while utilising natural renewable energy resources. This paper aims to show how CO2 emissions can be decreased by utilising different TES concepts in Turkey. The first project is for the heating and cooling of a supermarket using Aquifer Thermal Energy Storage ...
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Solar energy based thermal energy storage system using phase change materials
Nowadays for solar heating applications, usage of phase change materials (PCM) to store the heat in the form of latent heat is increased, because large quantity of thermal energy is stored in small volume. The present experimental investigation on the thermal energy storage (TES) system is developed using paraffin and stearic acid as PCM. In the present system solar energy is used as heat source ...
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Significance of design for energy conservation in buildings: building envelope components
Energy efficient buildings consist of using innovative technologies based on renewable energies and a good thermal insulation. Most strategies applied in design and many of the services offered by lodging establishments require the consumption of substantial quantities of energy, water and non–durable products. In most developing countries, it makes perfect sense to focus on the ...
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Thermal characteristics in latent heat energy storage system using paraffin wax
An energy storage system has been designed to study the heat transfer characteristics of paraffin wax during melting and solidification processes in a vertical annulus energy storage system. In the experimental study, three important issues are focussed. The first one is temperature distribution in the phase change material (PCM) during the phase change processes. The second one is the thermal ...
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Numerical simulation of fluid flow and heat transfer in a phase change thermal energy storage
The objective of this work is the study of an industrial process of energy storage which consists in the use of a cylindrical tank filled with encapsulated Phase Change Materials (PCM). A particularity is present in this kind of processes; it concerns the delay of the crystallisation of PCM, called supercooling phenomenon. The development of a 2D porous-medium model for cold storage with coolant ...
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Design, development and performance evaluation of latent heat storage foot warmers
In this paper, three PCM based foot warmers of cylindrical and rectangular in shape were designed, developed and fabricated to store solar energy during sunshine hours. The stored energy was utilised to warm the feet in the late evening to replace electric heaters. By trial experiment, it was found out that the surface temperature of the storage units of the foot warmer should be between ...
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The thermal energy storage is the key for decarbonization
Summary Thermal energy storage plays a key role in the energy transition process. It makes possible to overcome the intermittence’s obstacle inherent to traditional renewable power generation sources (such as wind or solar), or the mismatch between available energy production and consumer’s demand, solved nowadays by inefficient management of resources, with paid plants on standby ...
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Solar Thermal Power Plants
THE BENEFITS OF SOLAR THERMAL POWER PLANTS Solar thermal energy production requires two main things: sunlight and equipment to capture, store and disperse the energy. Only two types of solar thermal systems exist. They are the passive systems, which do not require equipment (such as the heat build-up in your car whenever you park it in the sun), and active systems which require a method to ...
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Research team in PCM storage breakthrough
Storage tanks at Valle 1 and 2, in Cadiz, Spain. Image courtesy of Sener. Researchers in Catalunya have modelled a radical new PCM storage design that could deliver a 74 % thermal capacity efficiency with 32 % less salt than a traditional system. By Jason Deign A Spanish team has uncovered a radical new encapsulated phase-change material (PCM) storage system after creating a novel ...
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Energy storage implementation to reach carbon neutrality
Summary The massive deployment of intermittent renewables to achieve the decarbonization targets set out in Paris Agreement by 2050, is arising power management concerns while integrating with the power system due to the variability and intermittency of their renewable energy sources. The implementation of energy storage systems will lead to more efficient energy management system since the ...
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Net-zero path 2050 and the role of energy storage
Summary Present climate pledges, even if fully achieved, would fall short to give the world a chance of limiting the global temperature rise to 1.5 °C. Therefore, the world needs to commit on a viable and actionable path to achieve Net-Zero by 2050. While renewables and energy storage are the backbone of the energy transition to achieve Net-Zero by 2050 in the power sector …, the ...
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