Abstract. Heat energy storage characteristics of a new type of PCM heat exchange tube was researched, in which it took the traditional double-tube exchanger as the total construction foundation ...
Learn MoreStudy on Ca(OH)2/CaO Thermochemical Energy Storage Performance of Reactor With Embedded Heating Tube Bundle 2, ...
Learn MoreImprovement 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 performance of thermal energy storage is examined during the melting process of a phase change material (RT50). The heat transfer and phase change modeling are based …
Learn MoreThis study shows that the proposed latent heat thermal energy storage unit (M06) significantly reduces PCM melting time compared with vertical (76%), horizontal (66%), and helical-coiled. (53% ...
Learn MoreIt mainly contains sensible heat thermal energy storage [1], latent heat thermal energy storage (LHTES) [2], and chemical energy storage [3]. In the three types, LHTES units are the key to solving the contradiction in practical thermal systems because of their superiorities of larger thermal storage density, stable thermodynamic performance, …
Learn MoreThe circular shell had an inner diameter of 90 mm and a length of 120 mm. Two nested copper tubes, with diameters of 9 mm and 19.05 mm, were concentrically placed to transfer heat from the HTF (heat transfer fluid) to the PCM. As depicted in Fig. 3, hot water enters the system through the inner tube at the inlet of the HX.. Upon reaching the …
Learn MoreThe architecture of the cooling system is described first, then the geometrical configuration of the vertical STHE, the experimental apparatus and the results are provided. Fig. 1 shows the layout of the cooling system used for the experimental analysis, which consists of a water chiller, a heat exchanger (user) simulating a single …
Learn MoreDOI: 10.1016/j.applthermaleng.2022.119861 Corpus ID: 254669211 Energy Storage Characteristics and Size Optimization of Ca(OH)2/CaO Reactor With the Embedded Heating Tube Bundle @article{Liu2022EnergySC, title={Energy Storage Characteristics and ...
Learn MoreThe highest heat SER during 4 h of energy storage is related to Case 8, which reaches the maximum value of 101.14% in 4339 s. Case 8, which has the most energy storage, has 100.3%, 83.3%, 58.4% ...
Learn MoreInvestigation of thermal performance of a shell and tube latent heat thermal energy storage tank in the presence of different nano-enhanced PCMs Case Stud. Thermal Eng., 37 (2022), p. 102280 View PDF View article View …
Learn MoreA fast reduced model for a shell-and-tube based latent heat thermal energy storage heat exchanger and its application for cost optimal design by nonlinear programming Int. J. Heat Mass Transf., 176 (2021), p. 121479, 10.1016/j.ijheatmasstransfer.2021.121479 ...
Learn MoreExperimental study on the effect of tube rotation on performance of horizontal shell and tube latent heat energy storage J. Storage Mater., 39 (2021), Article 102626 View PDF View article View in Scopus Google Scholar [45] J. Tombrink, H. Jockenhöfer, D. Bauer
Learn MoreThe total energy stored in the sensible heat storage medium inside the evacuated tube during a time interval of 1800 s is expressed as (5) E s = m C p, medium T medium, j + 1 − T medium, j Where T medium,i is the …
Learn MoreFang and Chen (2007) used multiple phase change materials in a shell and tube latent thermal energy storage system to enhance heat transfer. They investigated the effects of multiple PCMs'' melting temperatures and the length of each PCM section on the melted fraction, stored thermal energy and fluid outlet temperature of the latent heat …
Learn MoreShell-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. Even though many studies have investigated the material formulation, heat transfer through simulation, …
Learn MoreDiscover the Innovative Future of Energy Storage: Learn about Thermal Batteries. In this video, uncover the science behind thermal batteries, from the workin... Discover the Innovative …
Learn MoreAbo-Elfadl et al. (2020) conducted energy and exergy analysis of reflector integrated evacuated tube heat pipe solar collector with water as thermal energy storage medium. The results show that the addition of upper and lower reflectors to the evacuated tube heat pipe solar collector reduced the losses due to convection and improved the …
Learn MoreOnly a few research articles enlisted in Table 1 have discussed the investigations on multiple tube latent heat thermal energy storage system (MT-LHTESS). Agyenim et al. [45] investigated the effect of using four HTF tubes on the charging and discharging performance of MT-LHTESS with erythritol as PCM. ...
Learn MoreThus the HTF temperature is a parameter that should also play a part in optimizing the design of a fin/nanoparticle combination for the triplex tube latent heat thermal energy storage system. Due to the both-sides heating approach of the triplex-tube configuration, the heat exchanger performs better than the double-pipe heat exchanger …
Learn Moreheat thermal energy storage systems (LHTES) with phase change materials (PCMs) pro vide a solution for the mismatches between energy supplies and demands by offering a …
Learn MoreThis study presents numerical simulations of the charging process for a multitube latent heat thermal energy storage system. A thermal energy storage model, consisting of five tubes of heat transfer …
Learn MoreLatent heat thermal energy storage (LHTES) has a large energy density and almost constant temperature during charging/discharging, which makes it an attractive technology [3], [4], [5]. However, the storage media, i.e., phase change materials (PCMs), commonly suffer from low thermal conductivity, leading to low melting and solidification rate.
Learn MoreNumerical modeling was performed to simulate the melting process of a fixed volume/mass phase-change material (PCM) in different shell-and-tube type latent thermal energy storage units with identical heat transfer area.The effect of liquid PCM natural convection (NC) on the latent heat storage performance of the pipe and cylinder …
Learn MoreA novel trigeneration compressed air energy storage system combining vortex tube for cooling, heating and power generation is presented in this paper. The automatic heating and cooling processes further reduce the complexity of the compressed air energy storage system while reducing carbon emissions.
Learn MoreImproving the melting performance of a horizontal shell-tube latent-heat thermal energy storage unit using local enhanced finned tube Energy Build., 183 (2019), pp. 161-173 View PDF View article View in Scopus Google Scholar [53] …
Learn MoreInvestigation of the effects of shell geometry and tube eccentricity on thermal energy storage in shell and tube heat exchangers J. Storage Mater., 52 (2022), Article 104978 View PDF View article View in Scopus …
Learn MoreRequest PDF | On Dec 1, 2023, Mehdi Ghalambaz and others published Latent heat thermal energy storage in a shell-tube design: Impact of metal foam inserts in the heat transfer ...
Learn MoreSimultaneous energy storage and recovery in triplex-tube heat exchanger using multiple phase change materials with nanoparticles J. Energy Storage, 49 ( 2022 ), Article 104164, 10.1016/J.EST.2022.104164
Learn MoreThe application of a latent heat thermal energy storage (LHTES) system can effectively solve the problem of the mismatch between the energy supply and …
Learn MoreBulgarian Chemical Communications, 2016, 48: 181-188 [16] S. Seddegh, X. Wang, A.D. Henderson,Numerical investigation of heat transfer mechanism in a vertical shell and tube latent heat energy storage system,Applied Thermal Engineering, 2015,87: 698
Learn MoreVarious concepts for storing thermal energy in phase change materials (PCMs) have been discussed in general by Cabeza [3]. The finned shell-and-tube storage concept has been investigated by ...
Learn MoreSimulation study on the effect of fins on the heat transfer performance of horizontal dual-inner-tube latent thermal energy storage heat exchangers [J] J. Storage Mater., 49 (2022), p. 104125 View PDF View article View …
Learn More1. Introduction A thermal energy storage device can address the discrepancy between the energy supply and demand. In particular, latent heat thermal energy storage (LHTES) units have widespread applications. Liu et al. [1] studied a series of shell-and-tube sensible heat and latent heat thermal energy storage systems for next …
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