Enhanced thermophysical properties of multiwalled carbon nanotubes based nanofluids. Part 2: Experimental verification

Hessam Taherian, Jorge L. Alvarado and Ehsan M. Languri

Renewable and Sustainable Energy Reviews, 2018, vol. 82, issue P3, 4337-4344

Abstract: This paper provides a critical review of an experimental study measuring viscosity and thermal conductivity of carbon nanotube (CNT) nanofluids. The review reveals an inconsistency among theoretical data and experimentally reported results for thermal conductivity enhancement of CNT nanofluids through the development of a transient hot wire device used to verify the literature data. The experimentally collected data on thermal conductivity and viscosity enhancement of CNT nanofluids are compared to the available experimental and theoretical data in the literature and presented in a general map for a visual comparison. The new data follows reasonably close to the prediction by Maxwell's theory when compared at room temperature; however, the effect of temperature is completely ignored in the theory. Results of the current paper disclose that the measurement techniques used by researchers in the area of nanofluids should be standardized for a consistency in measurements. Suggestions are made for developing accurate models for thermal conductivity and viscosity enhancement of CNT nanofluids.

Keywords: Carbon nanotube; Nanofluid; Thermal conductivity; Viscosity; Enhancement (search for similar items in EconPapers)
Date: 2018
References: View complete reference list from CitEc
Citations: View citations in EconPapers (5)

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DOI: 10.1016/j.rser.2017.05.117

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