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Title: Thermophysical properties of IoNanofluids composed of 1-ethyl-3- methylimidazolium thiocyanate and carboxyl-functionalized long multi-walled carbon nanotubes
Authors: Dziadosz, Justyna
Golba, Adrian
Cwynar, Krzysztof
Zorębski, Edward
Gancarz, Paweł
Scheller, Łukasz
Dzida, Marzena
Jóźwiak, Bertrand
Dzido, Grzegorz
Kolanowska, Anna
Boncel, Sławomir
Jędrysiak, Rafał
Keywords: IoNanofluids; thermal conductivity; viscosity; density
Issue Date: 2020
Citation: "Fluids" (2020), iss. 4, art. no. 214, s. 1-9
Abstract: The concept of IoNanofluids (INFs) as the stable dispersions of nanoparticles in ionic liquids was proposed in 2009 by Nieto de Castro’s group. INFs characterize exciting properties such as improved thermal conductivity, non-volatility, and non-flammability. This work is a continuation of our studies on the morphology and physicochemistry of carbon-based nanomaterials a ecting thermal conductivity, viscosity, and density of INFs. We focus on the characterization of dispersions composed of long carboxylic group-functionalized multi-walled carbon nanotubes and 1-ethyl-3-methylimidazolium thiocyanate. The thermal conductivity of INFs was measured using KD2 Pro Thermal Properties Analyzer (Decagon Devices Inc., Pullman, WA, USA). The viscosity was investigated using rotary viscometer LV DV-II+Pro (Brookfield Engineering, Middleboro, MA, USA). The density of INFs was measured using a vibrating tube densimeter Anton Paar DMA 5000 (Graz, Austria). The maximum thermal conductivity enhancement of 22% was observed for INF composed of 1 wt% long carboxylic group-functionalized multi-walled carbon nanotubes.
DOI: 10.3390/fluids5040214
ISSN: 2311-5521
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