Design optimization of a solar tower power plant heliostat field by considering different heliostat shapes

被引：25

作者：

Belaid, Abdelfetah ^{[1
,2
]}

Filali, Abdelkader ^{[3
,4
]}

Gama, Amor ^{[2
]}

Bezza, Badreddine ^{[2
]}

Arrif, Toufik ^{[2
]}

Bouakba, Mustapha ^{[1
]}

机构：

[1] Univ Kasdi Merbah Ouargla, Fac Sci Appl, Dept Genie Mecan, Ouargla, Algeria

[2] Ctr Dev Energies Renouvelables, Unite Rech Appl Energies Renouvelables, URAER, Ghardaia, Algeria

[3] Natl Polytech Sch Constantine, BP75,A, Nouvelle Ville Ali Mendj 25000, Constantine, Algeria

[4] Imperial Coll London, Chem Engn Dept, London, England

来源：

INTERNATIONAL JOURNAL OF ENERGY RESEARCH | 2020年 / 44卷 / 14期

关键词：

enhanced heliostat field efficiency; heliostat field area; heliostat shape; optimized heliostat field; solar energy; DISH-STIRLING ENGINE; SIMULATION; RECEIVER; COLLECTORS; MODEL; CODE; FLUX;

D O I：

10.1002/er.5772

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：

The present study focuses on the optimization of solar tower power plant heliostat field by considering different heliostat shapes including rectangular, square, pentagon, hexagon, heptagon, octagon, and circular heliostat shapes. The optimization is carried out using an in-house developed code-based MATLAB program. The developed in-house code is validated first on a well-known PS10 Solar Thermal Power plant having rectangular heliostats shape and the resulting yearly unweighted heliostat field efficiency of about 64.43% could be obtained. The optimized PS10 heliostat field using different heliostat shapes showed that the circular and octagon heliostat shapes provide better efficiency with minimum land area. The yearly efficiency is increased from 69.65% for the rectangular heliostat shape to 70.96% and 71% for the octagon and circular shapes, respectively. In addition, the calculated field area (land area) is reduced for the case of circular and octagon heliostat shapes with a gain of about 11.10% and 10.93% (about 42.0436 x 10(3)and 41.4036 x 10(3)m(2)), respectively, in comparison with the PS10 field area.

引用

页码：11524 / 11541

页数：18

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