Effect of diffuse radiation on the performance of a rotationally asymmetrical optical concentrator.

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

Abstract

This paper evaluates the performance of a recently patented rotationally asymmetrical dielectric totally internally reflective concentrator (RADTIRC) under diffuse radiation. The RADTIRC has a geometrical concentration gain of 4.969 and two half acceptance angles of ± 30° and ± 40° along the x-axis and z-axis respectively. Simulation and experimental work have been carried out to determine the optical concentration gain under diffuse radiation. It was found that the RADTIRC has an optical concentration gain of 1.94 under diffuse irradiance. The experimental results for the single concentrator showed an optoelectronic gain of 2.13, giving a difference of 9.8% due to factors such as the presence of direct radiation during experiments, the increase in diffuse radiation due to the reflection from surrounded buildings as well as from the ground reflection.

Citation

FREIER, D., MUHAMMAD-SUKKI, F., ABU-BAKAR, S.H., RAMIREZ-INIGUEZ, R., MUNIR, A.B., YASIN, S.H.M., MAS'UD, A.A. and BANI, N.A. 2016. Effect of diffuse radiation on the performance of a rotationally asymmetrical optical concentrator. In Proceedings of the 6th Institute of Electrical and Electronic Engineers (IEEE) International conference on photonics (ICP), 14-16 March 2016, Sarawak, Malaysia. Piscataway: IEEE [online], pages 71-73. Available from: https://dx.doi.org/10.1109/ICP.2016.7510017

• Conference Name: 6th IEEE International conference on photonics (ICP)
• Conference Location: Sarawak, Malaysia
• Start Date: Mar 14, 2016
• End Date: Mar 16, 2016
• Acceptance Date: Mar 14, 2016
• Online Publication Date: Mar 14, 2016
• Publication Date: Jul 14, 2016
• Deposit Date: Sep 19, 2016
• Publicly Available Date: Sep 19, 2016
• Publisher: IEEE Institute of Electrical and Electronics Engineers
• Article Number: 7510017
• Pages: 71-73
• DOI: https://doi.org/10.1109/ICP.2016.7510017
• Keywords: Building integrated photovoltaic systems; Optoelectronic gain; Rotationally asymmetrical dielectric totally internally reflecting concentrator; Solar photovoltaic; Building integrated photovoltaics; Buildings; Dielectrics; Optical reflection; Reflectivity
• Public URL: http://hdl.handle.net/10059/1750