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Software simulation and experimental characterisation of a rotationally asymmetrical concentrator under direct and diffuse solar radiation.

Freier, Daria; Muhammad-Sukki, Firdaus; Abu-Bakar, Siti Hawa; Ramirez-Iniguez, Roberto; Mas'ud, Abdullahi Abubakar; Albarracín, Ricardo; Ardila-Rey, Jorge Alfredo; Munir, Abu Bakar; Yasin, Siti Hajar Mohd; Bani, Nurul Aini

Authors

Daria Freier

Firdaus Muhammad-Sukki

Siti Hawa Abu-Bakar

Roberto Ramirez-Iniguez

Abdullahi Abubakar Mas'ud

Ricardo Albarracín

Jorge Alfredo Ardila-Rey

Abu Bakar Munir

Siti Hajar Mohd Yasin

Nurul Aini Bani



Abstract

Making housing carbon neutral is one of the European Union (EU) targets with the aim to reduce energy consumption and to increase on-site renewable energy generation in the domestic sector. Optical concentrators have a strong potential to minimise the cost of building integrated photovoltaic (BIPV) systems by replacing expensive photovoltaic (PV) material whilst maintaining the same electrical output. In this work, the performance of a recently patented optical concentrator known as the rotationally asymmetrical dielectric totally internally reflective concentrator (RADTIRC) was analysed under direct and diffuse light conditions. The RADTIRC has a geometrical concentration gain of 4.969 and two half acceptance angles of ±40° and ±30° respectively along the two axes. Simulation and experimental work has been carried out to determine the optical concentration gain and the angular response of the concentrator. It was found that the RADTIRC has an optical concentration gain of 4.66 under direct irradiance and 1.94 under diffuse irradiance. The experimental results for the single concentrator showed a reduction in concentration gain of 4.2% when compared with simulation data.

Citation

FREIER, D., MUHAMMAD-SUKKI, F., ABU-BAKAR, S.H., RAMIREZ-INIGUEZ, R., ABUBAKAR MAS'UD, A., ALBARRACIN, R., ARDILA-REY, J.A., MUNIR, A.B., YASIN, S.H.M. and BANI, N.A. 2016. Software simulation and experimental characterisation of a rotationally asymmetrical concentrator under direct and diffuse solar radiation. Energy conversion and management [online], 122, pages 223-238. Available from: https://doi.org/10.1016/j.enconman.2016.05.072

Journal Article Type Article
Acceptance Date May 25, 2016
Online Publication Date Jun 1, 2016
Publication Date Aug 15, 2016
Deposit Date Jun 8, 2016
Publicly Available Date Jun 2, 2017
Journal Energy conversion and management
Print ISSN 0196-8904
Electronic ISSN 1879-2227
Publisher Elsevier
Peer Reviewed Peer Reviewed
Volume 122
Pages 223-238
DOI https://doi.org/10.1016/j.enconman.2016.05.072
Keywords Photovoltaic; Optical concentrator; Asymmetrical concentrator
Public URL http://hdl.handle.net/10059/1514

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