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用于热能应用的四丁基氯化铵、石蜡和脂肪酸的热物理性质。

Thermophysical properties of tetrabutylammonium chloride, paraffin and fatty acids for thermal energy applications.

作者信息

Costa Tomás, Sanchez-Vicente Yolanda, Yang Zili, Stevens Lee A, Dias Fabio de S, Costa Pereira Sol-Carolina

机构信息

Department of Mechanical and Construction Engineering, Northumbria University Newcastle Upon Tyne NE1 8ST UK

University of Nottingham, Low Carbon Energy and Resources Technologies Group, Faculty of Engineering Energy Technologies Building, Triumph Road Nottingham NG7 2TU UK.

出版信息

RSC Adv. 2024 Aug 19;14(36):26246-26258. doi: 10.1039/d4ra03782k. eCollection 2024 Aug 16.

DOI:10.1039/d4ra03782k
PMID:39161432
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC11332589/
Abstract

Investigating the thermophysical properties of substances is crucial for using them as phase change materials (PCMs) and heat transfer fluids (HTFs) in thermal energy applications. In this study, the thermophysical properties of three medium-temperature PCMs (around 338 K) and one ionic liquid, tetrabutylammonium chloride ([N ][Cl]), were evaluated and compared. The commercial PCMs were two fatty acids (OM65 and stearic acid) and one paraffin (RT64HC). The characterised thermophysical properties were the viscosity, density, phase change temperatures, melting and solidification enthalpies, and thermal conductivity for the solid and liquid phases. The uncertainties for each property were calculated, and two empirical equations were obtained from the correlation of viscosity and thermal conductivity data along isotherms. This paper also compared the thermophysical properties of commercial PCMs and HTFs against the ionic liquid, discussing the potential use of the ionic liquid as a thermal energy storage material and HTFs.

摘要

研究物质的热物理性质对于将其用作热能应用中的相变材料（PCM）和传热流体（HTF）至关重要。在本研究中，对三种中温PCM（约338 K）和一种离子液体四丁基氯化铵（[N ][Cl]）的热物理性质进行了评估和比较。商用PCM为两种脂肪酸（OM65和硬脂酸）和一种石蜡（RT64HC）。所表征的热物理性质包括粘度、密度、相变温度、熔化和凝固焓以及固相和液相的热导率。计算了每种性质的不确定度，并从等温线上粘度和热导率数据的相关性中获得了两个经验方程。本文还将商用PCM和HTF的热物理性质与离子液体进行了比较，讨论了离子液体作为热能存储材料和HTF的潜在用途。

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本文引用的文献

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