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Technical note Copper oxide coatings for use in a linear solar Fresnel reflecting concentrating collector

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  • Khan, Md.Kamrul Alam

Abstract

Electroplating selective copper oxide coatings were prepared on the surface of a rectangular absorber (α = 0.92 and ε100°C = 0.18) for operation in conjunction with a prototype linear solar Fresnel reflecting concentrating collector. Overall heat loss coefficients (UL) of the selectively coated absorber at temperatures up to ∼300°C, optical efficiency (ηo) and stagnation temperature of the concentrator–absorber system were determined experimentally. The results have been compared with those obtained from an identical black painted absorber. Thermal efficiency (ηc) computed from the results of UL and ηo measurements at a temperature of 250°C provides a value of 49% with the selectively coated absorber and 48% with the black painted absorber.

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  • Khan, Md.Kamrul Alam, 1999. "Technical note Copper oxide coatings for use in a linear solar Fresnel reflecting concentrating collector," Renewable Energy, Elsevier, vol. 17(4), pages 603-608.
    • Handle: RePEc:eee:renene:v:17:y:1999:i:4:p:603-608
    DOI: 10.1016/S0960-1481(98)00023-8
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    1. Choudhury, C. & Sehgal, H.K., 1982. "Properties of spray-deposited cobalt oxide selective coatings on aluminium and galvanised iron substrates," Applied Energy, Elsevier, vol. 10(4), pages 313-324, April.
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    Cited by:

    1. K.A. Khan & Shahinul Islam & S. R. Rasel & M. A.Saime & Sazzad Hossain & Md. Atiqur Rahman, 2020. "Performance Evaluation Of Pkl (Pathor Kuchi Leaf) Electricity For Use In Television And Radio," Information Management and Computer Science (IMCS), Zibeline International Publishing, vol. 3(2), pages 30-37, December.
    2. Abbas, R. & Muñoz, J. & Martínez-Val, J.M., 2012. "Steady-state thermal analysis of an innovative receiver for linear Fresnel reflectors," Applied Energy, Elsevier, vol. 92(C), pages 503-515.
    3. Dellicompagni, Pablo & Franco, Judith, 2019. "Potential uses of a prototype linear Fresnel concentration system," Renewable Energy, Elsevier, vol. 136(C), pages 1044-1054.

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