Effects of position of semi-circular body on melting of a novel B4C/RT44HC PCM nanocomposite in a closed space

IF 6.4 2区工程技术 Q1 THERMODYNAMICS Case Studies in Thermal Engineering Pub Date : 2024-12-11 DOI:10.1016/j.csite.2024.105628

Ezgi Gurgenc, Muhammed Gur, Hakan Cosanay, Turan Gurgenc, Hakan F. Oztop

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Abstract

This study focuses on optimizing the thermal performance of a novel Boron Carbide (B4C) enhanced RT44HC phase change material (PCM) nanocomposite by analyzing the effects of different semi-circular partition placements within a closed cavity. The primary objective is to determine how the position of these adiabatic bodies influences the melting behavior, thermal conductivity, and energy storage capacity of the PCM. Through detailed computational modeling using the finite volume method and experimental validation, the research reveals that incorporating B4C nanoparticles significantly improves thermal performance, achieving up to a 69.65 % increase in thermal conductivity and a 19.68 % enhancement in energy storage capacity compared to pure PCM. The findings contribute to the field of advanced thermal energy storage and management by presenting a robust strategy for optimizing heat transfer in PCM systems, with potential applications in sustainable building design, electronic cooling, and energy-efficient technologies.

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本研究的重点是通过分析封闭空腔内不同半圆形隔板位置的影响，优化新型碳化硼（B4C）增强 RT44HC 相变材料（PCM）纳米复合材料的热性能。主要目的是确定这些绝热体的位置如何影响 PCM 的熔化行为、热导率和储能能力。通过使用有限体积法进行详细的计算建模和实验验证，研究发现，与纯 PCM 相比，加入 B4C 纳米粒子可显著提高热性能，热导率最高可提高 69.65%，储能能力最高可提高 19.68%。研究结果为优化 PCM 系统中的热传导提供了一种稳健的策略，有望应用于可持续建筑设计、电子制冷和节能技术，从而为先进的热能存储和管理领域做出贡献。

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来源期刊

Case Studies in Thermal Engineering Chemical Engineering-Fluid Flow and Transfer Processes

CiteScore

8.60

自引率

11.80%

发文量

812

审稿时长

76 days

期刊介绍： Case Studies in Thermal Engineering provides a forum for the rapid publication of short, structured Case Studies in Thermal Engineering and related Short Communications. It provides an essential compendium of case studies for researchers and practitioners in the field of thermal engineering and others who are interested in aspects of thermal engineering cases that could affect other engineering processes. The journal not only publishes new and novel case studies, but also provides a forum for the publication of high quality descriptions of classic thermal engineering problems. The scope of the journal includes case studies of thermal engineering problems in components, devices and systems using existing experimental and numerical techniques in the areas of mechanical, aerospace, chemical, medical, thermal management for electronics, heat exchangers, regeneration, solar thermal energy, thermal storage, building energy conservation, and power generation. Case studies of thermal problems in other areas will also be considered.