The Addition of Graphene Oxide to Enhance the Photo-Thermal Performance of a Premier Organic Heat Transfer Oil

Wisut Chamsa-ard, Derek Fawcett, Chun Che Fung and Gerrard Eddy Jai Poinern

International Journal of Sciences, 2021, vol. 10, issue 12, 21-23

Abstract: The present study investigated the improvement in photothermal response and temperature enhancement of a commercially available organic thermal oil when small quantities of graphene oxide (0.1 to 0.3% w/v) were added. Characterisation studies revealed the ultrasonic processing procedure did not change the chemical composition of the organic oil, which was found to be thermally stable up to 175 °C before complete decomposition at 315 °C. When the GO-based fluids were exposed to a solar irradiance of 985 Wm-2, the temperature enhancements achieved over the exposure period of 20 minutes typically ranged from 42.4 to 43.2%. The temperature enhancements achieved indicate the GO-based fluids have the potential to be used in direct-absorption solar collectors for improved performance.

Keywords: Graphene Oxide; Photo-Thermal; Direct-Absorption; Solar Collectors (search for similar items in EconPapers)
Date: 2021
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DOI: 10.18483/ijSci.2521

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