Browse Items (83 total)

  • Tags: Heat storage

District cooling systems (DCSs) are networks able to distribute thermal energy, usually as chilled water, from a central source to industrial, commercial, and residential consumers, to be used for space cooling/dehumidification. As cooling demand…

Phase change materials (PCMs) provide a state-of-the-art thermal energy storage capability and offer enormous potential for solar energy storage systems. However, the widespread adaptation of PCMs in advanced energy systems is often limited by low…

Energy storage is a critical issue and it becomes increasingly vital due to rapidly diminishing of fossil fuels and as renewable energy resources are currently intermittent. The thermal energy storage is the dawn of thermal management field. The lack…

Novel cement based mortars containing bottom ash (BA) and phase change material (PCM) as thermal energy storing material were developed for thermal controlling of buildings. Form-stable BA/Capric-Stearic (C-S) acid eutectic mixture composite was…

In this experimental study, a flat plate solar collector was constructed and examined for absorbing and transferring heat from soil to fluid. The light source was an infrared lamp with average illumination intensity of 3150 lux. For the first time,…

In modern heat transfer systems, thermal storage not only causes the balance between demand and supply, but also improves the heat transfer efficiency in these systems. In the present study, a comprehensive review of the applications of micro- or…

Phase change materials (PCMs) have received substantial interest for their ability to store and release latent heat for energy conservation and thermal control purposes. PCMs are available in a variety of latent heat and melting points but their…

Homogeneous ternary and quaternary molten nitrate salts with low melting points (110 C) with enhanced thermo-physical properties were synthesized for thermal energy storage media and heat transfer fluids. The ternary and quaternary molten salts were…

Water is an inorganic, non-flammable and easily available phase change material (PCM), which can be utilized for cold thermal energy storage (TES) application (melting point at 0C). Although water has a specific heat of about 4.18Jg1K1 and has…

The present work presents and analyzes the results acquired from outdoor experimental measurements of a solar latent heat storage unit integrated with built-in thermal energy storage at the presence and absence of porous media. The tank consists of a…

Purpose: : The presence of thermal energy storage devices in concentrated solar power plants is advantageous for controlling power and energy demand. The capacity of materials used in total thermal energy storage is thought to improve their…

A dual-media thermal energy storage system consisting of ceramic pebbles as a storage material and high-temperature heat transfer fluid (HTF) is analyzed for 1 MWe National Solar Thermal Power Plant. A numerical model has been formulated to study the…

The solidification process in a multi-tube latent heat energy system is affected by the natural convection and the arrangement of heat exchanger tubes, which changes the buoyancy effect as well. In the current work, the effect of the arrangement of…

In summer, the coastal areas of southern Iran suffer from the freshwater shortage and electricity instability. Meanwhile, this region benefits from the high intensity of solar radiation and the huge potential of brackish water resources. Hence, this…

A novel efficient and entirely green hybrid energy conversion system comprising compressed air energy storage and Kalina KCS11 is proposed for peak shaving application and grid stability. The use of high-temperature thermal energy storage as a…

The combination of metal-organic frameworks (MOFs), namely UiO-66, with polyethylene glycol (PEG) polymers yields hybrid polyMOF materials, which show unique morphology with tunable characteristics of UiO-66. Mixed MOF-PolyMOFs (referred to as…

The present investigation aims to develop a potential composite phase change material (PCM) with leak-resistive and high thermal conductivity. Sugar beet pulp (CSBP) as an industrial waste was carbonized to produce a porous framework and used for…

Organic phase change materials (PCMs) are the most common heat storage components in latent heat based thermal energy storage (TES) systems. Among the different organic PCMs, fatty acids (FAs) have shown a real potential in important areas, such as,…

Being dependent statistics, building energy consumption has accounted for 2/5 of the world's total energy consumption. The combination of phase change energy storage materials with floor radiant cooling and heating system has become one of the main…

Water scarcity is a big challenge especially for developing countries and desert areas like Saudi Arabia. Using solar energy for freshwater production is the way forward for future development of the water industry. The present study developed a new…

This paper concerns the optimum design of double elliptical latent heat storage units during the charging process using three-dimensional numerical simulation. Water and RT35 are employed as the heat transfer fluid and phase change material,…

Form-stable phase change materials (PCMs) have garnered tremendous attention in thermal energy storage (TES) owing to their remarkable latent heat. However, the integration of intelligent manufacturing, recycling, and optimized multifunction is…

Salt hydrates, one of the categories of inorganic phase change materials (PCMs), have huge potential to latent heat or thermal energy storage in buildings energy management applications. But their energy storage performance seems not to be…

Solar thermal energy efficiency of cementitious mortar is enhanced by introducing a phase change material (PCM) with thermal energy harvesting/releasing ability. Within this framework, a new type of cement based-thermal energy storage mortar (CBTESM)…

Salt hydrates are one of the most common inorganic compounds that are used as phase change material (PCM). These are available for a wide range of phase transition temperature for thermal energy storage (TES) application. They have some most desired…

The micro-encapsulated phase change materials could be used for thermal storage and temperature regulation, which solved the energy mismatch in space and time, and the utilization rate of energy has been greatly improved. Thus, recently, the…

This paper explicitly deals with the role of thermal energy storage (TES) with respect to energy performance measures in buildings. Buildings constitute about 50% of the total energy consumption worldwide. Thus buildings are directly found to be one…

In the emergence of new technologies to harness renewable energy, industrial-scale storage of heated water in a geothermal system is a promising technique. A porous, permeable medium, bounded by a poorly thermally conductive/convective overburden and…

Conventional thermal energy storage (TES) media and heat transfer fluids (HTFs) currently used in commercial concentrated solar power (CSP) plants are nitrate-based molten salts with working temperature up to about 565 C. Current interest in raising…

Phase Change Materials (PCMs) are used for thermal energy storage (TES) due to their high latent heat capacity. While inorganic PCMs have the ability to store large amounts of thermal energy (as they possess higher values of latent heat capacity)…

The excessively available solar energy storage is a very useful way to bridge the energy demand and its supply gap. This thermal energy storage (TES) can be done in the form of sensible or latent heat energy. The energy storage in the form of latent…

A comprehensive study was conducted to develop and utilize a novel shape-stabilized phase change material utilizing two abundantly available and low-cost natural materials, namely scoria and expanded perlite and an industrial byproduct, heavy oil…

This study aims to develop a numerical scheme to model and optimize the solidification process within a Latent Heat Thermal Energy Storage System (LHTESS), while specific nanoparticles are employed, and the system is equipped with curved fins.…

Latent heat storage using metals as solid-liquid phase change materials (PCMs) have been concerned for medium-temperature thermal energy storage. However, due to the leakage and corrosion problems during phase transformation, the use of metallic PCMs…

This paper concerns the ongoing studies on a Concentrated Solar Power (CSP) plant in operation in Ottana (Italy), comprising a 629 kW organic Rankine cycle (ORC) unit fed by a linear Fresnel solar field. Hexamethyldisiloxane (MM) and "Therminol SP-I"…

Solid-liquid phase change materials (PCMs) have been preferred for solar passive thermal energy storage (TES) applications. However, low thermal conductivity and leakage issue of molten PCMs considerably restrain their TES potential. In this…

The solar air heater (SoAH) absorbs the solar radiation and convert it into thermal energy. The drawback of solar radiation is its uneven distribution in time and it is the main roadblock for further expansion of solar energy. The technical…

This paper reviews cascaded or multiple phase change materials (PCMs) approach to provide a fundamental understanding of their thermal behaviors, the performance in terms of heat transfer uniformity, and the influence of input parameters and…

Latent heat thermal energy storage was widely used to solve the problem of the intermittency in time and space for solar energy systems. To improve the energy storage efficiency, metal fins were typically further added to the shell side to increase…

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…

This work evaluates the influence of combining twisted fins in a triple-tube heat exchanger utilised for latent heat thermal energy storage (LHTES) in three-dimensional numerical simulation and comparing the outcome with the cases of the straight…

The solid-liquid phase change energy storage system promoted the efficient and sustainable utilization of dispersive and intermittent renewable energy. Low energy storage rate and unbalanced thermophysical characteristics existed in the vertical…

Chinese solar greenhouse (CSG) is an energy-saving agricultural building which is used to grow vegetables in winter. The north wall of CSG plays an crucial role in concerning the production yield and quality during the winter months. To improve the…

Assessing the optimal placement and design of a largescale high temperature energy storage system in crystalline bedrock is a challenging task. This study applies and evaluates various methods and strategies for presite investigation for a potential…

High-temperature aquifer thermal energy storage (HT-ATES) is a cost-effective and suitable technology to store large amounts of energy. HT-ATES has been demonstrated to be an efficient and stable tool to buffer seasonal imbalances and significantly…
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