Experimental and theoretical investigation of thermal conductivity of some water-based nanofluids

Ali Vakilinejad, Mohammad Ali Aroon, Mohammed Al-Abri, Hossein Bahmanyar, Myo Tay Zar Myint, G. Reza Vakili-Nezhaad

Research output: Contribution to journalArticle

Abstract

Modified transient plane source method has been applied for thermal conductivity measurements of three water-based nanofluids containing Al2O3, TiO2, and graphene nanoparticles. Experiments were conducted at different temperatures and concentrations. The effects of sort of nanoparticles, concentration, and diameter of nanoparticles as well as temperature were studied by comparing the experimental results with the predictions of ten preceding models. The overall performances of these models were compared in terms of percent error. Percent errors were observed in the current study ranging from vicinity of zero up to nearly 110% that belonged to Bruggeman model in predicting the thermal conductivity ratio of graphene/water nanofluids. All ten models performed acceptably in calculating thermal conductivity ratio of Al2O3 nanofluids with the maximum percent error of 2.16%. Four correlations are proposed based on the experimental results of this work three of which are special to each nanofluid and the fourth one is overall. These models succeeded to predict the thermal conductivity ratio of the studied nanofluids with considerably lower percent errors which was maximum 5.19% observed in predicting the thermal conductivity ratio of graphene/water nanofluid.

Original languageEnglish
Pages (from-to)610-623
Number of pages14
JournalChemical Engineering Communications
Volume205
Issue number5
DOIs
Publication statusPublished - May 4 2018

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Thermal conductivity
Graphite
Water
Graphene
Nanoparticles
Temperature
Experiments

Keywords

  • MTPS method
  • nanofluids
  • nanoparticles
  • percent error
  • thermal conductivity ratio

ASJC Scopus subject areas

  • Chemistry(all)
  • Chemical Engineering(all)

Cite this

Experimental and theoretical investigation of thermal conductivity of some water-based nanofluids. / Vakilinejad, Ali; Aroon, Mohammad Ali; Al-Abri, Mohammed; Bahmanyar, Hossein; Myint, Myo Tay Zar; Vakili-Nezhaad, G. Reza.

In: Chemical Engineering Communications, Vol. 205, No. 5, 04.05.2018, p. 610-623.

Research output: Contribution to journalArticle

Vakilinejad, Ali ; Aroon, Mohammad Ali ; Al-Abri, Mohammed ; Bahmanyar, Hossein ; Myint, Myo Tay Zar ; Vakili-Nezhaad, G. Reza. / Experimental and theoretical investigation of thermal conductivity of some water-based nanofluids. In: Chemical Engineering Communications. 2018 ; Vol. 205, No. 5. pp. 610-623.
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