Research Article
Influence of Sonication on the Stability and Thermal Properties of Al2O3 Nanofluids
Table 2
Thermal diffusivity of Al2O3 nanofluids, NPs type B (30 nm), prepared by using different sonication techniques at different NPs concentrations.
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Concentration | Bath | Probe | Thermal diffusivity (cm2/s) × 10−3 | Thermal diffusivity enhancement % | Thermal diffusivity (cm2/s) × 10−3 | Thermal diffusivity enhancement % |
| 0.125 | 1.446 ± 0.003 | 0.9 | 1.448 ± 0.001 | 1.1 | 0.25 | 1.461 ± 0.002 | 2.1 | 1.473 ± 0.002 | 2.9 | 0.5 | 1.478 ± 0.004 | 3.2 | 1.498 ± 0.003 | 4.6 |
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