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Effect of ultrasonication time on the performance of carbon black water nanofluid in solar absorption.

Effect of ultrasonication time on the performance of carbon black water nanofluid in solar absorption.

Authors :
Mostafa, Hend A.
Osman, Osman Omran
Abdelrhman, Yasser
Ahmed, S. M.
Source :
Journal of Dispersion Science & Technology. Oct2024, p1-13. 13p. 11 Illustrations.
Publication Year :
2024

Abstract

AbstractThis research reveals an innovative way of finding the ultimate time of ultrasonication that offers photothermal capability across carbon black (CB) water nanofluids, a great contribution to the field of solar energy absorption and nanofluid technology. The samples were generated using a two-step procedure with varying ultrasonication periods employed, ranging from 15 to 120 minutes, in concentrations of 0.005 wt% CB nanoparticles and 0.005 wt% sodium dodecyl sulfate (SDS) surfactant. Thirty days after preparation visible observation and UV spectroscopy, scanning electron microscopy (SEM) images, and particle size distribution were used to confirm the samples’ stability. The stability properties results demonstrated the beneficial effects of ultrasonication on the dispersion properties of nanofluids. Ultrasonication of less than 30 minutes resulted in the early sedimentation of nanoparticles. According to the results, the investigated nanofluids have high photothermal conversion capability with ultrasonication time. According to the findings, 30 minutes is the “optimal” ultrasonic duration to maximize photothermal conversion efficiency. [ABSTRACT FROM AUTHOR]

Details

Language :
English
ISSN :
01932691
Database :
Academic Search Index
Journal :
Journal of Dispersion Science & Technology
Publication Type :
Academic Journal
Accession number :
180914621
Full Text :
https://doi.org/10.1080/01932691.2024.2420884