An ecofriendly graphene-based nanofluid for heat transfer applications

Mohammad Mehrali, Emad Sadeghinezhad, Amir Reza Akhiani, Sara Tahan Latibari, Sepehr Talebian, Alireza Dolatshahi-Pirouz, Hendrik Simon Cornelis Metselaar, Mehdi Mehrali

Research output: Contribution to journalArticleAcademicpeer-review

27 Citations (Scopus)

Abstract

Herein, a new ecofriendly approach to generate a graphene-based nanofluid was established. Specifically, a novel mode of graphene oxide reduction through functionalization with polyphenol extracted from red wine was introduced. Comprehensive characterization methods were employed to confirm and understand the reduction process of graphene oxide in the red wine polyphenol solution. It was noted, that the deoxygenation level of the reduced graphene oxide is comparable with the levels obtained by conventional and non-ecofriendly methods. The physical and thermal properties of the generated nanofluid including chemical stability, viscosity, wettability, electrical conductivity and thermal conductivity were investigated in a comprehensive manner. A significant thermal conductivity enhancement amounting to 45.1% was obtained for a volume fraction of 4%. In addition, the convective heat transfer coefficient of the nanofluid in a laminar flow regime with uniform wall heat flux was investigated to estimate its cooling capabilities. These results, firmly confirm that the generated graphene-based nanofluid is a formidable transporter of heat and yet ecofriendly. Therefore, it's anticipate that the generated nanofluid will open a new avenue in the pursuit of ecofriendly thermal conductors for heat transfer applications.

Original languageEnglish
Pages (from-to)555-566
Number of pages12
JournalJournal of cleaner production
Volume137
DOIs
Publication statusPublished - 20 Nov 2016
Externally publishedYes

Fingerprint

Graphene
heat transfer
oxide
Heat transfer
thermal conductivity
Wine
laminar flow
wettability
Oxides
Thermal conductivity
electrical conductivity
heat flux
viscosity
cooling
Chemical stability
Laminar flow
Heat transfer coefficients
Wetting
Heat flux
Volume fraction

Keywords

  • Functionalization
  • Green reduction
  • Heat transfer properties
  • Nanofluid
  • Red wine
  • Reduced graphene oxide

Cite this

Mehrali, Mohammad ; Sadeghinezhad, Emad ; Akhiani, Amir Reza ; Tahan Latibari, Sara ; Talebian, Sepehr ; Dolatshahi-Pirouz, Alireza ; Metselaar, Hendrik Simon Cornelis ; Mehrali, Mehdi. / An ecofriendly graphene-based nanofluid for heat transfer applications. In: Journal of cleaner production. 2016 ; Vol. 137. pp. 555-566.
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Mehrali, M, Sadeghinezhad, E, Akhiani, AR, Tahan Latibari, S, Talebian, S, Dolatshahi-Pirouz, A, Metselaar, HSC & Mehrali, M 2016, 'An ecofriendly graphene-based nanofluid for heat transfer applications' Journal of cleaner production, vol. 137, pp. 555-566. https://doi.org/10.1016/j.jclepro.2016.07.136

An ecofriendly graphene-based nanofluid for heat transfer applications. / Mehrali, Mohammad; Sadeghinezhad, Emad; Akhiani, Amir Reza; Tahan Latibari, Sara; Talebian, Sepehr; Dolatshahi-Pirouz, Alireza; Metselaar, Hendrik Simon Cornelis; Mehrali, Mehdi.

In: Journal of cleaner production, Vol. 137, 20.11.2016, p. 555-566.

Research output: Contribution to journalArticleAcademicpeer-review

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