Cost analysis of a mini-facet heliostat
Date
2017
Authors
Hall, C.
Pratt, R.
Farrant, D.
Corsi, C.
Pye, J.
Coventry, J.
Editors
Obaidli, A.A.
Advisors
Journal Title
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Type:
Conference paper
Citation
AIP Conference Proceedings, 2017 / Obaidli, A.A. (ed./s), vol.1850, iss.110005, pp.1-9
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Conference Name
22nd International Conference on Concentrating Solar Power and Chemical Energy Systems, SolarPACES 2016 (11 Oct 2016 - 14 Oct 2016 : Dhabi, United Arab Emirates)
Abstract
A significant problem with conventional heliostats is off-axis astigmatism, which increases the spot size at the central receiver, limiting the temperature and efficiency of solar thermal systems. Inspired by low-cost mini-actuators used for car wing mirrors, we examine the economic feasibility of a heliostat with individually adjustable mini-facets to correct astigmatic effects, and we compare three alternative tracking configurations.
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Copyright 2017 Author(s)
Access Condition Notes: This article is free to read online