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A design handbook for phase change thermal control and energy storage devices Technical Report · Tue Nov 01 00:00:00 EST 1977 OSTI ID: 6899545
Phase change materials are an important and underused option for developing new energy storage devices, which are as important as developing new sources of renewable energy. The use of phase change material in developing and constructing sustainable energy systems is crucial to the efficiency of these systems because of PCM''s ability to harness
TY - JOUR T1 - Performance enhancement of a phase-change-material based thermal energy storage device for air-conditioning applications AU - Nie, Binjian AU - Du, Zheng AU - Zou, Boyang AU - Li, Yongliang AU - Ding, Yulong PY - 2020/5/1 Y1 - 2020/5/1
Solar-driven interface water evaporation has been demonstrated to be one of the most promising technologies for alleviating global water pollution and water shortage. Although significant advances have been achieved for improving the solar-to-vapor efficiency, the design and fabrication of an all-day solar s
Latent heat storage (LHS) systems, in which phase change takes place in the material when the heat is absorbed, have smaller size and volume than the conventional sensible energy TES system [12]. The PCM packed in TES systems has a lower value of thermal conductivity (TC) (k≤0.2 W/m.k), which tremendously impacts these systems''
However, phase change materials (PCMs), the core of LHTES technology, usually feature low thermal conductivity, which may be beneficial to some applications like building envelopes, but not conductive to fast and
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
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 @article{Zhu2017NumericalAO, title={Numerical analysis
Thermal energy storage (TES) is a viable option in various applications for storing energy as heat when the energy resource is available for the purpose of using the stored energy at a later time w Cemil Cihan Özalevli graduated from Middle East Technical University (METU), Mechanical Engineering Department in 2010.
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
This study presents a phase change energy storage CCHP system developed to improve the economic, environmental and energy performance of residential buildings in five climate zones in China. A full-load operation strategy is implemented considering that the existing operation strategy is susceptible to the mismatch of
Abstract. Given that the performance of the phase change thermal storage device (PCTSD) is limited by the low thermal conductivity of the phase change material, more effective heat transfer structures should be developed to improve the thermal storage rate. In this paper, a novel micro heat pipe array (MHPA)–PCTSD with a highly
Our perspective outlines the needs for better understanding of multi-physics phase change phenom-ena, engineering PCMs for better overall transport and thermody-namic
Fundamental mechanisms of heat transfer within the phase change device are discussed. Performance in zero-g and one-g fields are examined as it relates to such a device.
Research on Optimization of Tube Structure of Phase Change Heat Storage Device Haojiang Bai 1 Published under licence by IOP Publishing Ltd Journal of Physics: Conference Series, Volume 2166, International Conference on Frontiers of Electrical Power & Energy Systems 2021 (EPES 2021) 12-14 November 2021,
A design handbook for phase change thermal control and energy storage devices Comprehensive survey is given of the thermal aspects of phase change material
The main research content of this project is the water recovery efficiency of the hot-pressure-driven air water-taking device when the phase-change material is used for energy supply, and combined
Traditionally, water-ice phase change is commonly used for cold energy storage, which has the advantage of high energy storage density and low price [10]. However, owing to the low freezing point of water, the efficiency of the refrigeration cycle decreases significantly [ 11 ].
Malik et al. [65] designed a novel phase change energy storage system using Potash alum as phase change material to store solar energy for everyday heating needs. The experimental results show that this system is capable of successfully storing and utilizing thermal energy on indoor scale such as cooking, heating and those applications
A novel design of a shell-and-tube thermal energy storage unit with phase change material was proposed in the study. The layouts of highly conductive fins and
Phase change materials (PCMs) based thermal energy storage (TES) has proved to have great potential in various energy-related applications. The high energy storage density enables TES to eliminate the imbalance between energy supply and demand. With the fast-rising demand for cold energy, cold thermal energy storage is
Comprehensive lists of most possible materials that may be used for latent heat storage are shown in Fig. 1(a–e), as reported by Abhat [4].Readers who are interested in such information are referred to the papers of Lorsch et al. [5], Lane et al. [6] and Humphries and Griggs [7] who have reported a large number of possible candidates for
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
The structural design and choice of phase change materials significantly impact the storage and release efficiency of the phase change heat exchanger [[4], [5], [6]]. Therefore, selecting a phase change heat exchanger with an appropriate transition temperature is essential for advancing technology progress and promoting sustainable
In comparison with sensible heat storage devices, phase change thermal storage devices have advantages such as high heat storage density, low heat
A design handbook for phase change thermal control and energy storage devices. Comprehensive survey is given of the thermal aspects of phase change material devices.
Three-dimensional CFD simulation fosters improved storage design. • Efficiency is properly studied using characterization results in simulation. • Thermal energy is effectively stored using two different phase change materials. • Nano-Al 2 O 3 addition into the materials improves charging and discharging efficiency.
At the end of operation in solar heating mode, the energy stored in the phase change material energy storage core could still power the heat pump efficiently for 3 h. The results illustrate that the designed solar collector shows superior heating performance compared with other studies, and the solar utilization and heating stability
TES. abstract. An intensive numerical study is performed inside the shell and tube type heat exchanger to find out the. melting performance of a Phase Change Material (PCM). An axis symmetric
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
This paper presents a new general theoretical model of thermal energy harvesting devices (TEHDs), which utilise phase-change materials (PCMs) for energy storage. The model''s
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 systems.
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
A compact thermal energy storage device containing a phase change material has been designed and experimentally investigated for smoothing cooling load of transport air conditioning systems. The phase change material based device used two different types of fins, serrated fins in the air side and perforated straight fins in the phase
Based on this design concept, polyurethane-based GAs have been fabricated with an electric-thermal conversion efficiency of 66.3% at 10 V. 102 Moreover, the resistivity of graphene-based on phase change film declined greatly from 284.34 to
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