Rheological characteristics of non-Newtonian nanofluids: Experimental investigation

γ-Al 2O 3, TiO 2 and CuO nanoparticles were dispersed in a 0.5 wt.%. aqueous solution of carboxymethyl cellulose (CMC) to prepare three types of non-Newtonian nanofluids. Rheological characteristics of the base fluid and nanofluids with various nanoparticle concentrations at different temperatures w...

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Veröffentlicht in:	International communications in heat and mass transfer 2011-02, Vol.38 (2), p.144-148
Hauptverfasser:	Hojjat, M., Etemad, S.Gh, Bagheri, R., Thibault, J.
Format:	Artikel
Sprache:	eng
Schlagworte:	Chemistry Colloidal state and disperse state COMPOSITES Condensed matter: structure, mechanical and thermal properties Consistency index COPPER OXIDE Exact sciences and technology Fluid dynamics FLUID FLOW FLUIDITY Fluids Fundamental areas of phenomenology (including applications) General and physical chemistry MICROSTRUCTURES Nanocomposites Nanofluid Nanofluids Nanomaterials Nanoparticles Nanostructure Non-Newtonian Non-newtonian fluid flows PARTICLES Physical and chemical studies. Granulometry. Electrokinetic phenomena Physics Power law PROPERTIES Rheological behavior Rheological properties Thermal properties of condensed matter Thermal properties of small particles, nanocrystals, nanotubes
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Beschreibung
Zusammenfassung:	γ-Al 2O 3, TiO 2 and CuO nanoparticles were dispersed in a 0.5 wt.%. aqueous solution of carboxymethyl cellulose (CMC) to prepare three types of non-Newtonian nanofluids. Rheological characteristics of the base fluid and nanofluids with various nanoparticle concentrations at different temperatures were measured. Results show that all nanofluids as well as the base fluid exhibit pseudoplastic (shear thinning) behavior. The rheological characteristics of nanofluids and those of the base fluid are functions of temperature and particle concentrations.
ISSN:	0735-1933 1879-0178
DOI:	10.1016/j.icheatmasstransfer.2010.11.019