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Author to whom correspondence should be addressed. Shell-and-tube latent heat thermal energy storage units employ phase change materials to store and release heat at a nearly constant temperature, deliver high effectiveness of heat transfer, as well as high charging/discharging power.
Guo et al. 8 revealed that the heat storage and release rate of the heat storage exchanger with an elliptical inner tube is higher than that of the circular inner tube model. Furthermore, the elliptical tube is suitable for heat storage heat exchangers. Yongqing et al. used fluent software to simulate the working condition of heat exchangers.
The results revealed that the heat transfer efficiency of heat exchangers can be improved by adding the inner ring rib structure to the heat exchange copper tube. The difference between the inner and outer diameters of the inner ring rib considerably influences heat dissipation. Furthermore, a sensitivity coefficient of 0.2457 can be obtained.
Heat energy storage systems offer the benefits of high energy storage efficiency and consistent temperature due to the use of phase change material (PCM); however, its disadvantage is that thermal energy storage takes longer to complete due to the material poor thermal conductivity.
Some energy production processes, such as renewable energy generation and waste heat recovery, face the issues of mismatch between demand and supply. Thermal energy storage (TES) provides a promising solution to bridge this mismatch by storing and releasing heat or cold at given conditions, thus upgrading the system efficiency [ 2, 3 ].
Based on heat transfer performance analysis, the study demonstrates this fin can accelerate the heat transfer process in the heat storage system compared with the traditional configuration.
In this work, it is suggested to use the spiral-wired tube, a finned tube with a …
With the increasing proportion of new energy generation and the increasing depth of peaking of thermal power generation, the contradiction between supply and demand …
Improvement of thermal performance of energy storage leads to energy savings and reduction of carbon emissions. In this study, the effect of tube arrangement on the …
To optimize the utilization of solar energy in the latent heat thermal energy storage (LHTES) system, this study conducts exergy analysis on a paraffin-solar water shell and tube unit established in the literature to …
This study investigates the effects of cooling water temperature, water …
The specific geometrical parameters of the heat storage tank are as follows: the unit size of the heat storage tank is 250 mm (diameter) × 360 mm (height), the inner tube …
This study proposed increasing the heat dissipation buffer space of heat exchangers by filling the gap between the heat exchanger and the shell with phase-change …
Although the joule is the basic unit for energy and heat, it is not always used to express x-ray tube heat. The special heat unit (HU) was ... This is well over 50% of the anode storage capacity. …
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pack and the large energy storage tank. Therefore, the heat dissipation performance of the semi closed chamber which is based on air cooling can directly represent the temperature …
This study proposed increasing the heat dissipation buffer space of heat …
In this work, it is suggested to use the spiral-wired tube, a finned tube with a coiled helical spiral connecting the fins end. The study includes a comparison between three …
A typical problem faced by large energy storage and heat exchange system industries is the dissipation of thermal energy. Management of thermal energy is difficult …
This paper investigates the heat transfer performance of a shell-and-tube heat storage system with novel fin through numerical simulation. Specifically, the study examines …
Thermal storage technology has received increasing attention under the policy of encouraging the development of renewable energy and new clean energy. Optimizing the …
Heat energy storage systems offer the benefits of high energy storage …
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10 · In terms of safety, as capacity increases, battery cell heat dissipation becomes …
Improvement of thermal performance of energy storage leads to energy …
Shell-and-tube latent heat thermal energy storage units employ phase change materials to store and release heat at a nearly constant temperature, deliver high effectiveness …
In this study, A new fin structure is proposed to overcome the problem of heat …
This study investigates the effects of cooling water temperature, water velocity, and tube shape on the heat removal process of shell-tube PCM energy storage units through …
Solid-state hydrogen storage technology using metal hydrides as carriers has great application prospects. This study aims to optimize the heat transfer resistance and …
In this study, A new fin structure is proposed to overcome the problem of heat transfer blind zones in U-tube heat exchanger type reactors so as to optimize the heat transfer …
Shell-and-tube latent heat thermal energy storage units employ phase change …
Fig. 1 (a) gives the two-dimensional geometry of the horizontal dual-inner-tube heat exchangers with single fin, the detailed parameters are presented below: two inner tubes …
10 · In terms of safety, as capacity increases, battery cell heat dissipation becomes more challenging, and uneven heat distribution becomes more pronounced, increasing the risk …
A numerical study of viscous dissipation effects on heat transfer, thermal energy storage by sensible heat and entropy generation within a porous channel with insulated walls …
Heat energy storage systems offer the benefits of high energy storage efficiency and consistent temperature due to the use of phase change material (PCM); however, its …