Optimization of nickel-infused alumina nanostructure for enhanced solar-thermal conversion

This study investigates the optimization of nickel-infused alumina nanostructure for enhanced solar-thermal energy conversion. The optimization is based on the analytical model using the transfer matrix method, which is first validated with experimental results and then compared with a finite elemen...

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Bibliographic Details
Published in:MRS communications 2023-08, Vol.13 (4), p.581-586
Main Authors: Wang, Xuanjie, Repolho Cagliari, Luiz Victor, Hicken, Jason E., Narayan, Shankar
Format: Article
Language:English
Subjects:
Biomaterials
Characterization and Evaluation of Materials
Chemistry and Materials Science
Materials Engineering
Materials Science
Nanotechnology
Polymer Sciences
Research Letter
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Summary:This study investigates the optimization of nickel-infused alumina nanostructure for enhanced solar-thermal energy conversion. The optimization is based on the analytical model using the transfer matrix method, which is first validated with experimental results and then compared with a finite element model. The optimal nanostructure of the solar absorber shows a high solar absorptance of 0.87 and a low thermal emittance of 0.08. The optimal design can achieve a total net heat flux of 815 W/m 2 , approximately 26% higher than the nominal value of 647 W/m 2 corresponding to the baseline design. Graphical abstract
ISSN:2159-6867
2159-6867
DOI:10.1557/s43579-023-00386-7