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Rheological non Newtonian behaviour of ethylene glycol based Fe2O3 nanofluids

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Figure

Figure 1 shows the viscosity of EG vs. ˙cating Newtonian behaviour for EG. The flow curves ofthe EG/Fethinning (pseudoplastic) non-Newtonian behaviour
Figure 2 Storage (G’) and loss (G″) moduli. As a function of strain at 10 rad/s and 303.15 K for different concentrations: (solid circle, emptycircle) 5 wt.%, (solid inverted triangle, empty inverted triangle) 10 wt.%, (solid square, empty square) 15 wt.%, (solid diamond, empty diamond)20 wt.% and (solid triangle, empty triangle) 25 wt.%.
Figure 3 Shear stress (s) as function of strain (g) at 10 rad s-1 for different concentrations
Figure 4 Storage (G’) and loss (G″) moduli. As a function of frequency for EG/Fe2O3 nanofluids at 1% strain: (solid circle, empty circle) 5 wt.%;(solid inverted triangle, empty inverted triangle) 10 wt.%; (solid square, empty square) 15 wt.%, (solid diamond, empty diamond) 20 wt.% and(solid triangle, empty triangle) 25 wt.%.

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