Performance analysis of a parabolic trough collector using partial metal foam inside an absorber tube: an experimental study

被引：5

作者：

Esmaeili, Zeinab ^{[1
]}

Valipour, Mohammad Sadegh ^{[2
]}

Rashidi, Saman ^{[1
]}

Akbarzadeh, Sanaz ^{[2
]}

机构：

[1] Semnan Univ, Fac New Sci & Technol, Dept Energy, Semnan, Iran

[2] Semnan Univ, Fac Mech Engn, Semnan, Iran

来源：

ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH | 2023年 / 30卷 / 38期

关键词：

Parabolic trough collector; Porous medium; Thermal performance; Heat transfer; Friction factor; HEAT-TRANSFER; DIRECT ABSORPTION; SOLAR COLLECTOR; RECEIVER; ENHANCEMENT; GENERATION;

D O I：

10.1007/s11356-023-28732-1

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

This paper offers an experimental investigation of the effect of metal foam on the thermal and hydrodynamic performance of a parabolic trough collector (PTC). Metal foams play a crucial role in heat transfer improvement due to their high thermal conductivity. Three different arrangements of metal foams are applied inside the absorber tube of the PTC. The flow regime in the absorber tube is laminar at different Reynolds numbers of 422, 844, 1267, and 1689. Experimental tests are designed with Design-Expert software in which the response surface method is utilized. Experimental results revealed that maximum enhancement in thermal efficiency is related to the periodic array arrangement of the metal foam inside the tube. This arrangement leads to a 14% increase in thermal efficiency. However, in this arrangement, the friction factor increases considerably compared to a plain receiver tube.

引用

页码：89794 / 89804

页数：11

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