Wu, Yupeng, Eames, Philip C., Smyth, Mervyn and Mallick, Tapas K. (2007) Optical and thermal analysis of different asymmetric compound parabolic photovoltaic concentrators (ACPPVC) systems for building integration. In: Solar World Congress of the International-Solar-Energy-Society, Beijing, China, 18-21 Sep 2007. Published in: Proceedings of ISES World Congress 2007 : solar energy and human settlement, September 18-21, 2007, Beijing, China pp. 1440-1444. ISBN 9787302161462.

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Abstract

Ray-trace techniques have been used to predict the optical performance and angular acceptance of Asymmetric Compound Parabolic Photovoltaic Concentrator (ACPPVC) systems suitable for integration into vertical south facing building facades. Untruncated and truncated ACPPVC systems ACPPVC-50, ACPPVC-55 and ACPPVC-60, which have acceptance angels of 50 degrees and 0 degrees, 55 degrees and 0 degrees, 60 degrees and 0 degrees, respectively, have been simulated. The PV absorber was 0.125m wide in all simulations. Comparisons of angular acceptance between the untruncated and truncated systems are also discussed. Increased truncation leads to increased angular acceptance with reduced maximum concentration. From the simulations undertake, the angular acceptance was 100% in the range of incidence angles between the acceptance half angels for all ACPPVC systems. The highest optical efficiency predicted was 88.67% for all ACPPVC systems. The predicted solar flux distributions over the PV surface for the truncated ACPPVC-55 system are presented for selected angles of incidence along with concentration ratio. The temperatures within the truncated ACPPVC-55 system predicted using Computational Fluid Dynamics are presented for various solar incidence angles.

Item Type:	Conference Item (Paper)
Subjects:	T Technology > TH Building construction T Technology > TJ Mechanical engineering and machinery T Technology > TA Engineering (General). Civil engineering (General)
Divisions:	Faculty of Science > Engineering
Journal or Publication Title:	Proceedings of ISES World Congress 2007 : solar energy and human settlement, September 18-21, 2007, Beijing, China
Publisher:	Tsinghua University Press ; Springer
ISBN:	9787302161462
Editor:	Goswami, DY and Zhao, YW
Official Date:	2007
Dates:	Date Event 2007 UNSPECIFIED
Number of Pages:	5
Page Range:	pp. 1440-1444
Status:	Peer Reviewed
Publication Status:	Published
Conference Paper Type:	Paper
Title of Event:	Solar World Congress of the International-Solar-Energy-Society
Type of Event:	Other
Location of Event:	Beijing, China
Date(s) of Event:	18-21 Sep 2007

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