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Table 1 Thermal diffusivity of urchin-like gold nanofluids for different nanoparticle diameters and solvents

From: Thermal diffusivity measurement for urchin-like gold nanofluids with different solvents, sizes and concentrations/shapes

Particle size (nm)	Water^a	EG^a	Ethanol^a
55	14.76	9.83	9.05
67	14.71	9.78	8.93
70	14.68	9.73	8.84
79	14.48	9.49	8.61
115	14.34	9.33	8.44

At a constant nanoparticle concentration of 0.1 mg/ml. ^aValues are presented as (α (10⁻⁴ cm² s⁻¹ ) ± 0.03).

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