Performance of heat transfer fluids with nanographene in a pilot solar collector

被引：31
|
作者：
Bioucas, F. E. B. [1 ]
Vieira, S. I. C. [1 ]
Lourenco, M. J. V. [1 ]
Santos, F. J. V. [1 ]
Nieto de Castro, C. A. [1 ]
机构：
[1] Univ Lisbon, Ctr Quim Estrutural, Fac Ciencias, P-1749016 Lisbon, Portugal
来源：
SOLAR ENERGY | 2018年 / 172卷
关键词：
Nanofluids; Thermal solar collector; Nanographene; Efficiency; GRAPHENE NANOPLATELETS NANOFLUID; THERMAL-CONDUCTIVITY;
D O I：
10.1016/j.solener.2018.05.040
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：
A pilot scaled solar collector was used to compare different heat transfer fluids, with a radiation source of a 1000 W halogen lamp, real time acquisition with a multiplexer and a Pt100 temperature control. The heat transfer fluid studied was a mixture of water and ethylene glycol 30% (w/w) with three different concentrations of nanographene (0.05, 0.08, 0.10 wt.%). The concentration that showed better results was used in a real test situation, without addition of dispersive agents. For both situations we report a higher efficiency of the collector, without visible clogging problems, due to the low nanomaterial concentration used.
引用
收藏
页码：171 / 176
页数：6
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