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Development and performance analysis of compound parabolic solar concentrators with reduced gap losses—‘V’ groove reflector

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  • Oommen, Rachel
  • Jayaraman, S

Abstract

A system has been developed to use compound parabolic concentrators to collect solar energy and to generate steam. A CPC reflector profile with a V groove at the bottom of the reflector to reduce the gap losses was designed with a half acceptance angle of 23.5° for a tubular absorber of OD 30 mm. Five troughs fabricated with fiberglass substrate pasted over with UV stabilized self-adhesive aluminized polyester foil having high specular reflectivity joined together side by side comprise the CPC module with an aperture area of 2.04 m2. Copper tubes coated with NALSUN selective coatings and enclosed by borosilicate glass envelope act as absorbers. The reflector absorber assembly housed in a single glass wool insulated wooden box forms the CPC collector. Using water as the heat transfer fluid efficiency tests were carried out with different inlet temperatures. In situ steam generation testing and possible application to steam cooking were also carried out. A theoretical modeling was developed by setting up different heat balancing equations and a reasonable agreement between theoretical computed values and the experimental values was observed.

Suggested Citation

  • Oommen, Rachel & Jayaraman, S, 2002. "Development and performance analysis of compound parabolic solar concentrators with reduced gap losses—‘V’ groove reflector," Renewable Energy, Elsevier, vol. 27(2), pages 259-275.
    • Handle: RePEc:eee:renene:v:27:y:2002:i:2:p:259-275
    DOI: 10.1016/S0960-1481(01)00185-9
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    References listed on IDEAS

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    1. Acharya, S.K. & Roetzel, W. & Hussain, J., 1993. "Refrigerants as working fluid in a CPC collector system for electric power generation," Renewable Energy, Elsevier, vol. 3(6), pages 757-761.
    2. Khonkar, H.E.I. & Sayigh, A.A.M., 1995. "Optimization of the tubular absorber using a compound parabolic concentrator," Renewable Energy, Elsevier, vol. 6(1), pages 17-21.
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    Cited by:

    1. Chuan Jiang & Lei Yu & Song Yang & Keke Li & Jun Wang & Peter D. Lund & Yaoming Zhang, 2020. "A Review of the Compound Parabolic Concentrator (CPC) with a Tubular Absorber," Energies, MDPI, vol. 13(3), pages 1-31, February.
    2. Ma, Jun & Wang, Cheng-Long & Zhou, Yuan & Wang, Rui-Dong, 2021. "Optimized design of a linear Fresnel collector with a compound parabolic secondary reflector," Renewable Energy, Elsevier, vol. 171(C), pages 141-148.
    3. Qiang Wang & Jinfu Wang & Runsheng Tang, 2016. "Design and Optical Performance of Compound Parabolic Solar Concentrators with Evacuated Tube as Receivers," Energies, MDPI, vol. 9(10), pages 1-16, October.
    4. Abdullahi, B. & AL-Dadah, R.K. & Mahmoud, S. & Hood, R., 2015. "Optical and thermal performance of double receiver compound parabolic concentrator," Applied Energy, Elsevier, vol. 159(C), pages 1-10.
    5. Li, Guiqiang & Xuan, Qingdong & Akram, M.W. & Golizadeh Akhlaghi, Yousef & Liu, Haowen & Shittu, Samson, 2020. "Building integrated solar concentrating systems: A review," Applied Energy, Elsevier, vol. 260(C).
    6. Shukla, Ruchi & Sumathy, K. & Erickson, Phillip & Gong, Jiawei, 2013. "Recent advances in the solar water heating systems: A review," Renewable and Sustainable Energy Reviews, Elsevier, vol. 19(C), pages 173-190.
    7. Santosh, R. & Kumaresan, G. & Pon Pavithiran, C.K. & Mathu, P. & Velraj, R., 2023. "Effect of geometric variation and solar flux distribution on performance enhancement of absorber tube thermal characteristics for compound parabolic collectors," Renewable Energy, Elsevier, vol. 210(C), pages 671-686.

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