Parametric study on melting process of a shell-and-tube latent thermal energy storage under fluctuating thermal conditions

Li, Zhi; Lu, Yiji; Huang, Rui; Wang, Lei; Jiang, Ruicheng; Yu, Xiaonan; Yu, Xiaoli

doi:10.1016/j.applthermaleng.2020.115898

Cited by 29 publications

(3 citation statements)

References 36 publications

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“…Milliozi et al 39 also used this SA with NaNO 3 that improved thermal capacity and thermal diffusivity. Li et al 54 used alumina with compound salt with composition LiNO 3 ‐KCl‐NaNO 3 to have transient study in variable load condition and obtained a decreasing trend in heat storage capacity and increasing trend in thermal conductivity and heat transfer coefficient with increasing period of amplitude. Bonk et al 55 used industrial waste material alfer rock (Fe 2 O 3 ) with NaNO 3 ‐KNO 3 mixture that showed formation of Na 2 Fe 2 O 3 by showing its excellent compatibility to sustain the corrosiveness.…”

Section: Performance Enhancement Methodologymentioning

confidence: 99%

Performance enhancement with inorganic phase change materials for the application of thermal energy storage: A critical review

2022

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In the current energy crisis, energy saving becomes important to reduce the gap of supply and demand of energy. Phase change material (PCM) plays a bigger role to store energy due to its high latent of fusion. The present article provides an insight into the present developments in enhancing the performance of inorganic PCMs. In this article, a comprehensive review of different techniques like mixing of different salts, addition of nanoparticle, addition of nucleating agents, encapsulation methods and so on are discussed in detail. Special attention is given to know the enhancement in high thermal conductivity, large phase change enthalpy, high density, thermal stability, corrosion resistance and so on.

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Section: Performance Enhancement Methodologymentioning

confidence: 99%

Performance enhancement with inorganic phase change materials for the application of thermal energy storage: A critical review

2022

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“…The results showed that fluctuating heat flux could reduce the final average temperature and melting time of PCM compared with steady-state heat boundary. Li et al [26,27] investigated the dynamic heat transfer characteristics of LTES and the effects of the composite PCM with…”

Section: Introductionmentioning

confidence: 99%

Sensitivity analysis of thermophysical properties on PCM selection under steady and fluctuating heat sources: A comparative study

Chang

Huang

et al. 2021

Applied Thermal Engineering

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“…Phase change materials (PCMs) have high latent heat capacity, thus they can store and release a significantly high amount of energy during phase transition at specific temperature. Latent heat thermal energy storage technology with PCMs is a promising way to improve the utilization rate of renewable energy, and ease the contradiction between energy supply and demand 1–5 . PCMs have many application potentials, such as continuous use of solar energy, waste heat recovery and utilization, cooling of electronics, mobilized thermal energy storage 6–14 .…”

Section: Introductionmentioning

confidence: 99%

Effects of thickeners on thermophysical properties of Alum as phase change material for energy storage

Mao

Zhang

et al. 2021

J of Applied Polymer Sci

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The main objective of this research is to characterize, via experimental analysis, the effects of thickeners on thermophysical properties of Alum (KAl[SO4]2·12H2O) as phase change material (PCM) for energy storage. Six thickeners, including sodium carboxymethyl cellulose (CMC‐Na), sodium polyacrylate (PAAS), polyacrylamide (PAM), polyvinyl alcohol, xanthan gum (XG) and methylcellulose (MC), are added in Alum. Then the thermophysical properties and the cycle stability are tested and analyzed by step cooling experiment, differential scanning calorimeter, hot disk, scanning electron microscopy, high‐low temperature alternating test chamber, X‐ray diffraction (XRD), and Fourier transform infrared spectrometer (FT‐IR). The results showed that the adding of 2 wt% CMC‐Na, 1 wt% PAAS, 2 wt% PAM, 5 wt% XG, and 1 wt% MC to Alum can effectively reduce the subcooling of Alum while still maintaining the latent heat at a high level. After stability test with 60 melting‐solidification cycles, the results indicate that Alum with 1 wt% MC has the best thermal cycle stability and has the highest latent heat (230 J/g). The latent heat is only 8.1% lower than that of pure Alum after 1 cycle, and 11.1% higher than that of pure Alum after 60 cycles. The XRD, FT‐IR, and thermogravimetry results show that it has good chemical and thermal stability.

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Parametric study on melting process of a shell-and-tube latent thermal energy storage under fluctuating thermal conditions

Abstract: Xiaoli (2020) 'Parametric study on melting process of a shell-and-tube latent thermal energy storage under uctuating thermal conditions.', Applied thermal engineering., 180 . p. 115898.

Cited by 29 publications

References 36 publications

Performance enhancement with inorganic phase change materials for the application of thermal energy storage: A critical review

Performance enhancement with inorganic phase change materials for the application of thermal energy storage: A critical review

Sensitivity analysis of thermophysical properties on PCM selection under steady and fluctuating heat sources: A comparative study

Effects of thickeners on thermophysical properties of Alum as phase change material for energy storage

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