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THE EFFECT OF RECTANGULAR HELIOSTAT SHAPE RATIO ON THE SPIRAL LAYOUT PERFORMANCE OF A SOLAR TOWER THERMAL POWER PLANT

Belaid, A.; Gama, A.; Filali, A.; Arrif, T.; Bouakba, M.
Abstract:
The heliostat structure and shape must deliver the essential rigidity to accurately reflect solar radiation onto the target under several working conditions. Therefore, the aim of this study is to investigate the effect of various rectangular heliostat shape aspect ratios ? =L/W on the spiral layout performance considered by keeping the same heliostat area. Here ‘L’ and ‘W’ are the length and width of the rectangular heliostat shape respectively. A combination of an-inhouse developed computer code based on the vector geometry to design different heliostat models with the TracePro optical software are used to quantify the effect of the introduced aspect ratio changes on the efficiency of the spiral heliostat field layout. Results are presented and showed that the field efficiency can importantly affected when using different values for this heliostat aspect ratio. The chosen calculation period during the day may also affect the average calculated total flux per day and affects in general the efficiency of the heliostat field.
SGEM Research areas:
Year:
2018
Type of Publication:
In Proceedings
Keywords:
Spiral layout; heliostat aspect ratios; layout efficiency; optimal Field.
Volume:
18
SGEM Book title:
18th International Multidisciplinary Scientific GeoConference SGEM2018
Book number:
4.3
SGEM Series:
International Multidisciplinary Scientific GeoConference-SGEM
Pages:
551-558
Publisher address:
51 Alexander Malinov blvd, Sofia, 1712, Bulgaria
SGEM supporters:
Bulgarian Acad Sci; Acad Sci Czech Republ; Latvian Acad Sci; Polish Acad Sci; Russian Acad Sci; Serbian Acad Sci & Arts; Slovak Acad Sci; Natl Acad Sci Ukraine; Natl Acad Sci Armenia; Sci Council Japan; World Acad Sci; European Acad Sci, Arts & Letters; Ac
Period:
3 – 6 December, 2018
ISBN:
978-619-7408-70-6
ISSN:
1314-2704
Conference:
18th International Multidisciplinary Scientific GeoConference SGEM2018, 3 – 6 December, 2018
DOI:
10.5593/sgem2018V/4.3/S11.066
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