Enhancing Latent Heat Storage: Impact of Geometric Modifications, S-shaped enclosure Walls, and L-shaped fins

Abstract

This study explores the thermal performance and phase change behavior of five thermal energy storage (TES) models with varied geometric and design parameters, aiming to enhance heat transfer and storage efficiency.The impact of an innovative S-shaped heat source wall configuration and L-shaped fins on phase change dynamics was examined through numerical simulations, presenting a novel approach to enhancing TES system designs. Temperature distribution, transient PCM temperature, velocity fields, and liquid fraction evolution were analyzed to evaluate melting time, energy storage density (SE m ), mean power (P m ), and total heat storage capacity. The findings indicate that geometric enhancements and fin configurations significantly influence phase change performance. Model 01 exhibited the longest melting time of 11,040 s, whereas Model 05, with enhanced thinner (0.3 mm) and longer (112.3 mm) fins, achieved the shortest melting time of 2,720 s, reducing melting time by 75.36%. Model 05 also demonstrated the highest SE m of 274.12 kJ/kg and Pm of 67.72 W, highlighting its superior thermal storage efficiency. These results emphasize the crucial role of fin geometry and enclosure profiles in improving TES system performance.

Publication DOI: https://doi.org/10.1016/j.mtsust.2025.101114
Divisions: College of Engineering & Physical Sciences > School of Engineering and Technology
College of Engineering & Physical Sciences
Aston University (General)
Funding Information: This research was funded by Taif University, Saudi Arabia, project No. (TU-DSPP-2024-145).
Additional Information: Copyright © 2025 The Authors. Published by Elsevier Ltd. This is an open access article under the CC BY license (https://creativecommons.org/licenses/by/4.0/ ).
Uncontrolled Keywords: Energy storage density (SE ),Melting time reduction,Phase change materials (PCM),Thermal energy storage (TES),General Chemistry,Renewable Energy, Sustainability and the Environment,General Materials Science
Publication ISSN: 2589-2347
Last Modified: 07 May 2025 16:41
Date Deposited: 10 Apr 2025 11:58
Full Text Link:
Related URLs: https://www.sci ... 0430?via%3Dihub (Publisher URL)
http://www.scop ... tnerID=8YFLogxK (Scopus URL)
PURE Output Type: Article
Published Date: 2025-06
Published Online Date: 2025-04-07
Accepted Date: 2025-04-05
Authors: Abdellatif, Houssam Eddine
Khan, Shan Ali
Fatima, Nahid
Aljohani, M.A.
Arshad, Adeel (ORCID Profile 0000-0002-2727-2431)
Belaadi, Ahmed
Alhushaybari, Abdullah

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