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Phase Change Materials and Thermal Energy Storage Systems

A special issue of Energies (ISSN 1996-1073). This special issue belongs to the section "G2: Phase Change Materials for Energy Storage".

Deadline for manuscript submissions: 30 September 2024 | Viewed by 478

Special Issue Editor


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Guest Editor
School of Energy Science and Engineering, Central South University, Changsha 410083, China
Interests: phase change materials; thermal energy storage; thermal energy management; energy storage system design

Special Issue Information

Dear Colleagues,

As we all know, most forms of energy will eventually be transformed into thermal energy. More importantly, nearly 60% of all the energy we make from all energy resources, such as fossil fuels and solar energy, is wasted in the form of thermal energy in its utilization. If this huge amount of thermal energy can be effectively used, it can make a great difference for mankind. Phase change materials, such as fatty acids, nitrites, and carbonates, are effective mediums to store thermal energy due to their high latent heat level. With the appropriate design of thermal energy storage systems and phase change materials, the wasted thermal energy from almost all industrial fields can be more effectively used, which can then play a very important role in coping with current global challenges, such as the energy crisis and global warming.

This Special Issue aims to present and disseminate the most recent advances related to the theory, design, modeling, and application of all kinds of phase change materials and all types of thermal energy systems.

Topics of interest for publication include, but are not limited to:

  • All aspects of phase change materials and thermal energy storage systems.
  • New phase change materials.
  • Phase transition enhancement theory and techniques.
  • The design and application of thermal energy storage systems.
  • Life cycle assessment of thermal energy storage systems.
  • Performance analysis of thermal energy storage systems.
  • Latent and sensible heat storage.
  • The thermal conductivities improvement of phase change materials.
  • Heat and mass transfer and fluid flow in thermal energy storage systems.
  • The evaluation and optimization of thermal energy systems.
  • The modeling of thermal energy storage systems.

Dr. Jiangwei Liu
Guest Editor

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Energies is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2600 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • phase change material
  • thermal energy storage
  • phase transition enhancement
  • heat and mass transfer
  • energy storage system design
  • latent heat storage
  • sensible heat storage
  • evaluation and optimization

Published Papers (1 paper)

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Research

17 pages, 6479 KiB  
Article
Melting and Solidification Characteristics of PCM in Oscillated Bundled-Tube Thermal Energy Storage System
by Jiangwei Liu, Yuhe Xiao, Dandan Chen, Chong Ye and Changda Nie
Energies 2024, 17(8), 1973; https://doi.org/10.3390/en17081973 - 22 Apr 2024
Viewed by 206
Abstract
Phase change material (PCM) based thermal energy storage (TES) is an important solution to the waste of heat and intermittency of new energy sources. However, the thermal conductivity of most PCMs is low, which severely affects the thermal energy storage performance. Oscillation of [...] Read more.
Phase change material (PCM) based thermal energy storage (TES) is an important solution to the waste of heat and intermittency of new energy sources. However, the thermal conductivity of most PCMs is low, which severely affects the thermal energy storage performance. Oscillation of the tube bundles in a TES unit can intensify the convection of liquid PCM and, therefore, enhance heat transfer. However, the energy storage performance of bundled-tube TES systems in response to oscillation at different amplitudes and frequencies has not been well understood yet, and the optimum time to apply the oscillation during phase transition remains unexplored. To address this issue, this present study was carried out. First, the melting behaviour of PCM with oscillation starting at different times was investigated. Then, the influences of oscillation frequency and amplitude on the melting performance were explored. Finally, the solidification behaviour of PCM with oscillation starting at different times was examined. Results show that the oscillation can accelerate the phase transition process by enhancing convective heat transfer. Compared to the case without oscillation, the complete melting and solidification times are reduced by 8.2 and 6.7% for the case with oscillation starting at 200 s, respectively. The effect of oscillation frequency on the melting enhancement is negligible, while the oscillation amplitude has an important effect on the melting enhancement. Full article
(This article belongs to the Special Issue Phase Change Materials and Thermal Energy Storage Systems)
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