Parametric Investigation of a V-Shape Ribbed Absorber Tube in Parabolic Trough Solar Collectors

被引：3

作者：

Altwijri, Faisal ^{[1
,2
]}

Sherif, S. A. ^{[1
]}

Alshwairekh, Ahmed M. ^{[2
]}

机构：

[1] Univ Florida, Dept Mech & Aerosp Engn, POB 116300, Gainesville, FL 32611 USA

[2] Qassim Univ, Coll Engn, Dept Mech Engn, Buraydah 52571, Qassim, Saudi Arabia

来源：

JOURNAL OF SOLAR ENERGY ENGINEERING-TRANSACTIONS OF THE ASME | 2023年 / 145卷 / 04期

关键词：

parabolic trough solar collector; secondary reflector; V-shape rib; parametric study; heat transfer fluids; turbulators; thermal enhancement; absorber; collector; efficiency; energy; fluid flow; heat transfer; optics; parabolic trough; radiation; simulation; solar receiver; sustainability; thermal power; HEAT-TRANSFER ENHANCEMENT; THERMAL ENHANCEMENT; RECEIVER TUBE; PERFORMANCE; GENERATION; NANOFLUIDS;

D O I：

10.1115/1.4056281

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：

This paper reports on a parametric investigation of the thermal enhancement of a double-reflector parabolic trough collector when employing an in-line mixed V-shape (IMVS) ribbed absorber tube. Three heat transfer fluids (HTFs) are investigated, and a wide range of fluid inlet temperatures are studied. Various geometric parameters of the V-shape rib are analyzed to determine the optimum design of such a modification to the wall of the absorber tube. Results show that the HTF thermal oil Syltherm 800 is superior to the other HTFs that were studied. Results also show that a lower inlet temperature of the HTF leads to better thermo-hydraulic performance. The study provides a set of values for designing a V-shape ribbed absorber tube that produces optimum thermo-hydraulic performance. The optimum ribbed tube design shows a performance enhancement of about 64% compared to a smooth tube.

引用

页数：11

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