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  • SETA-D-21-01496_R1

    Rights statement: This is the author’s version of a work that was accepted for publication in Sustainable Energy Technologies and Assessments. Changes resulting from the publishing process, such as peer review, editing, corrections, structural formatting, and other quality control mechanisms may not be reflected in this document. Changes may have been made to this work since it was submitted for publication. A definitive version was subsequently published in Sustainable Energy Technologies and Assessments, 47, 2021 DOI: 10.1016/j.seta.2021.101538

    Accepted author manuscript, 2.22 MB, PDF document

    Available under license: CC BY-NC-ND

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Optical performance of a hybrid compound parabolic concentrator and parabolic trough concentrator system for dual concentration

Research output: Contribution to Journal/Magazine › Journal article › peer-review

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  • S. Sripadmanabhan Indira
  • C.A. Vaithilingam
  • R. Sivasubramanian
  • K.-K. Chong
  • R. Saidur
  • K. Narasingamurthi
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Article number101538
<mark>Journal publication date</mark>31/10/2021
<mark>Journal</mark>Sustainable Energy Technologies and Assessments
Volume47
Number of pages20
Publication StatusPublished
Early online date20/08/21
<mark>Original language</mark>English

Abstract

This work proposes a hybrid compound parabolic concentrator and parabolic trough concentrator (CPC/PTC) system for concentrator photovoltaic/thermal (CPV/T) and hybrid concentrator photovoltaic/thermal-thermoelectric generator (CPVT-TEG) applications. The geometrical design and optical analysis of the novel hybrid CPC/PTC system are discussed in the present study. Ray-tracing models were used to identify the different variables that influence the optical efficiency of both CPC and PTC. The concentration ratio (CR) of PTC in the hybrid CPC/PTC system is evaluated and compared with the standard PTC concentration ratio for various rim angles ranging from 15° to 75°. The results revealed that the loss in PTC concentration due to the CPC's shadow on the hybrid CPC/PTC system is reduced when the aperture width of the PTC is increased. The maximum optical efficiency of the hybrid CPC/PTC system for 0° incident angle is ~ 73% which is ~ 6.35% higher than standard PTC. Finally, the proposed hybrid CPC/PTC system's overall optical efficiency is evaluated under various tracking modes for equinox, summer solstice, and winter solstice. The results imply that the dual-axis tracking CPC/PTC system achieves a constant optical efficiency of ~ 70%.

Bibliographic note

This is the author’s version of a work that was accepted for publication in Sustainable Energy Technologies and Assessments. Changes resulting from the publishing process, such as peer review, editing, corrections, structural formatting, and other quality control mechanisms may not be reflected in this document. Changes may have been made to this work since it was submitted for publication. A definitive version was subsequently published in Sustainable Energy Technologies and Assessments, 47, 2021 DOI: 10.1016/j.seta.2021.101538