Investigation on thermal reliability and corrosion characteristics of glutaric acid as an organic phase change material for solar thermal energy storage applications

被引：46

作者：

Dheep, G. Raam ^{[1
]}

Sreekumar, A. ^{[1
]}

机构：

[1] Pondicherry Univ, Ctr Green Energy Technol, Solar Thermal Energy Lab, Pondicheny 605014, India

来源：

APPLIED THERMAL ENGINEERING | 2018年 / 129卷

关键词：

Latent heat storage; Phase change materials; Solar thermal energy; Thermal reliability; Corrosion compatibility; LATENT-HEAT STORAGE; CHANGE MATERIALS PCM; TEMPERATURE-RANGE; PERFORMANCE ENHANCEMENT; STABILITY; METAL; COMPATIBILITY; TESTS; SYSTEMS; CYCLES;

D O I：

10.1016/j.applthermaleng.2017.10.133

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

The successful implementation of the latent heat solar thermal energy storage system depends on the long term thermal stability and corrosion characteristics of phase change materials (PCM). Glutaric acid (GA) is an organic PCM with phase transition temperature 94.97-99.20 degrees C and latent heat of fusion 184.8 Jig. Thermo-physical properties and corrosive nature of glutaric acid is investigated using accelerated thermal cycle method under controlled conditions. The study was conducted upon 2000 thermal cycles to explore the feasibility of material for long term usage in solar thermal applications. Relative percentage difference (RPD%), gravimetric analysis and scanning electron microscope (SEM) techniques were used to evaluate the thermal stability and compatibility of glutaric acid. The test results reveal that glutaric acid tends to be a potential PCM for solar thermal energy storage applications due to its prolonged thermal stability and less corrosive nature on containment materials. (C) 2017 Elsevier Ltd. All rights reserved.

引用

页码：1189 / 1196

页数：8

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