Convective heat transfer enhancement with graphene nanoplatelet/platinum hybrid nanofluid

Yarmand, H. and Zulkifli, Nurin Wahidah Mohd and Gharehkhani, S. and Shirazi, S.F.S. and Alrashed, A.A.A.A. and Ali, M.A. and Dahari, Mahidzal and Kazi, Salim Newaz (2017) Convective heat transfer enhancement with graphene nanoplatelet/platinum hybrid nanofluid. International Communications in Heat and Mass Transfer, 88. pp. 120-125. ISSN 0735-1933, DOI

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The work here looked into heat transfer performance in addition to friction loss of graphene nanoplatelet (GNP) - Platinum (Pt) hybrid nanofluids. The experiments were performed with non-changing limit parameters of heat-flux. Nanofluid movement was turbulent at a weight percentage ranging between 0.02 and 0.1%, with the Reynold number from 5000 to 17,500. The experimental findings revealed that compared with the base liquid, all nanofluid samples had higher heat transfer abilities. Nusselt number elevation and the increment of the heat transfer coefficient were found to be dependent on Reynold number, and the weight concentration of the nanocomposite. The greatest value recorded for Nusselt number was 28.48%, accompanied by a 1.109-fold penalty. There was a rise in friction factor with regards to the highest load of nanocomposite (0.1 wt%), with the Reynolds number of 17,500.

Item Type: Article
Funders: Fundamental Research Grant Scheme (Project no.: FRGS-FP063-2015A) University of Malaya, Malaysia
Uncontrolled Keywords: Graphene nanoplatelet (GNP); GNP-Pt nanocomposite; Hybrid nanofluid and convective heat transfer
Subjects: T Technology > TJ Mechanical engineering and machinery
T Technology > TK Electrical engineering. Electronics Nuclear engineering
Divisions: Faculty of Engineering
Depositing User: Ms. Juhaida Abd Rahim
Date Deposited: 31 Jul 2018 03:29
Last Modified: 16 Jun 2020 05:44

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