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- W3157485767 abstract "A concentrated solar absorber with finned phase change materials was experimentally studied using a Scheffler type parabolic dish concentrator. The absorber's inner surface was fixed with hollow cylindrical containers filled with phase change material (PCM) for heat transfer augmentation. The absorber's selected PCM was acetanilide (Melting point of 116 °C)—the cylindrical capsules protruding into the fluid side to create turbulence and mixing and acting as fins. The absorber surface temperature was observed to be about 130–150 °C during the outdoor tests while passing fluid through the absorber. The fluid flow rate varied from 60 to 100 kg/h during the outdoor experiments. The peak energy and exergy efficiency of parabolic dish collector (PDC) at the fluid flow rate of 80 kg/h with PCM integrated solar absorber was found to be about 67.88% and 6.96%, respectively. The integration of cylindrical PCM containers resulted in more heat transfer augmentation in the solar absorbers. The optimized solar absorber could be suitable for various applications like steam generation, biomass gasification, space heating, and hydrogen generation. • Uniform heat output of PCM integrated solar absorber attained due to PCM. • Heat storage is effective after the complete melting of the PCM in the absorber. • Cylindrical PCM containers assist the smooth fluid flow inside the solar absorbers. • The energy efficiency of concentrated solar absorber with PCM reaches up to 67.88%. • The exergy efficiency of concentrated solar absorber with PCM reaches up to 7%." @default.
- W3157485767 created "2021-05-10" @default.
- W3157485767 creator A5056380136 @default.
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- W3157485767 date "2021-06-01" @default.
- W3157485767 modified "2023-10-16" @default.
- W3157485767 title "Heat transfer enhancement of concentrated solar absorber using hollow cylindrical fins filled with phase change material" @default.
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- W3157485767 doi "https://doi.org/10.1016/j.ijhydene.2021.04.061" @default.
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