Experimental investigation on the thermal efficiency and performance characteristics of a flat plate solar collector using SiO2/EG-water nanofluids

被引：153
|
作者：
Meibodi, Saleh Salavati [1 ]
Kianifar, Ali [1 ]
Niazmand, Hamid [1 ]
Mahian, Omid [1 ]
Wongwises, Somchai [2 ]
机构：
[1] Ferdowsi Univ Mashhad, Dept Mech Engn, Mashhad, Iran
[2] King Mongkuts Univ Technol Thonburi, Fac Engn, Dept Mech Engn, Fluid Mech Thermal Engn & Multiphase Flow Res Lab, Bangkok 10140, Thailand
来源：
INTERNATIONAL COMMUNICATIONS IN HEAT AND MASS TRANSFER | 2015年 / 65卷
关键词：
Thermal efficiency; Performance characteristics; Flat plate solar collector; Nanofluids; CONVECTIVE HEAT-TRANSFER; ENTROPY GENERATION; NATURAL-CONVECTION; SHAPE;
D O I：
10.1016/j.icheatmasstransfer.2015.02.011
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
Application of nanofluids in thermal energy devices such as solar collectors is developing day by day. This paper reports the results of experiments on a flat plate solar collector where the working fluid is SiO2/ethylene glycol (EG)-water nanofluid with volume fractions up to 1%. The thermal efficiency and performance characteristics of solar collector are obtained for mass flow rates between 0.018 and 0.045 kg/s. The curve characteristics of solar collector indicate that the effects of particle loading on the thermal efficiency enhancement are more pronounced at higher values of heat loss parameter. The results of this work elucidate the potential of SiO2 nanoparticles to improve the efficiency of solar collectors despite its low thermal conductivity compared to other usual nanoparticles. (C) 2015 Elsevier Ltd. All rights reserved.
引用
收藏
页码：71 / 75
页数：5
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