Numerical study on performance enhancement of solid-solid phase change materials by using multi-nanoparticles mixtures

被引：29

作者：

Elsayed, Amr Owes ^{[1
]}

机构：

[1] Zagazig Univ, Fac Engn, Dept Power Mech Engn, Zagazig, Egypt

来源：

JOURNAL OF ENERGY STORAGE | 2015年 / 4卷

关键词：

Latent energy storage; Solid-solid phase change; Nano enhanced phase change materials; Multi-nanoparticles mixture;

D O I：

10.1016/j.est.2015.09.008

中图分类号：

TE [石油、天然气工业]; TK [能源与动力工程];

学科分类号：

0807 ; 0820 ;

摘要：

Innovative methods for enhancing storage performance of phase change materials (PCMs) have become the main concern of many scientists. In this numerical study, heat transfer characteristics and thermal storage performance of enhanced neopentyl-glycol (NPG) in a cylindrical container are investigated. Enhancement of phase change material has been done by using a mixture of multi-nanoparticles (Cu, Al, TiO2 and SiO2). Binary and triple mixtures of nanoparticles have been employed to assess the improvement in storage capacity of phase change material. The effect of nanoparticles volume fraction on the thermal behavior of NPG composites has been presented and discussed. It has been found that NPG composite containing (6% SiO2 + 6% Al) is more effective in heat storage than the composition containing (6% Al + 6% Cu). Also, the best performance in heat storage is achieved by the composition (6% Al + 3% SiO2 + 3% TiO2), within the NPG, compared to the other compositions. (C) 2015 Elsevier Ltd. All rights reserved.

引用

页码：106 / 112

页数：7

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