Cost-effective solar furnace system using fixed geometry Non-Imaging Focusing Heliostat and secondary parabolic concentrator

K.K. Chong, C.Y. Lim and C.W. Hiew

Renewable Energy, 2011, vol. 36, issue 5, 1595-1602

Abstract: A novel cost-effective solar furnace system is proposed to be consisted of a Non-Imaging Focusing Heliostat (NIFH) and a much smaller parabolic concentrator. In order to simplify the design and hence leading to the cost reduction, a fixed geometry of the NIFH heliostat is adopted in the novel solar furnace system by omitting the requirement of continuous astigmatic correction throughout the year with the use of local controllers. The performance of this novel solar furnace configuration can be optimized when the heliostat’s spinning-axis is orientated in such a way that the annual variations of incident angle and therefore the annual variations of aberrant image size are the least. To verify the new configuration, a prototype solar furnace has been constructed at Universiti Tunku Abdul Rahman.

Keywords: Non-imaging focusing heliostat; Solar furnace; Astigmatic correction; Spinning-elevation; High concentration solar energy; Solar thermal (search for similar items in EconPapers)
Date: 2011
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Citations: View citations in EconPapers (7)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:renene:v:36:y:2011:i:5:p:1595-1602

DOI: 10.1016/j.renene.2010.11.010

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