Effect of water based Al2O3 nanoparticle PCM on cool storage performance

被引：81
作者：
Altohamy, Ahmed A. [1 ]
Rabbo, M. F. Abd [1 ]
Sakr, R. Y. [1 ]
Attia, Ahmed A. A. [1 ]
机构：
[1] Benha Univ, Dept Mech Engn, Shoubra Fac Engn, 108 Shoubra St, Cairo, Egypt
来源：
APPLIED THERMAL ENGINEERING | 2015年 / 84卷
关键词：
Cool thermal storage; PCM; Nanoparticle; Solidification; Air conditioning; THERMAL-CONDUCTIVITY;
D O I：
10.1016/j.applthermaleng.2015.03.066
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
A spherical capsule with water based Nanofluid (50 nm Al2O3) phase change material during charging process was studied experimentally. The experiments were conducted with pure water and the NFPCM with volumes fractions 0.5%, 1%, 1.5%, and 2%. The results show that there is a significant effect of Nanoparticle concentration on thermal properties of PCM which sequentially reduces complete charging time for all HTF volume flow rates and also at different HTF inlet temperature. The percentage of reduction in complete charging time at HTF inlet temperature -12 degrees C attained approximately 32%, 28%, 18%, 12% at HTF volume flow rate of 12, 10, 8, 6 Ipm respectively. (C) 2015 Elsevier Ltd. All rights reserved.
引用
收藏
页码：331 / 338
页数：8
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