Research Article
Influence of Sonication on the Stability and Thermal Properties of Al2O3 Nanofluids
Table 1
Thermal diffusivity of Al2O3 nanofluids, NPs type A (11 nm), prepared by using different sonication techniques at different NPs concentrations.
| |
Concentration | Bath sonication | Probe sonication | Thermal diffusivity
(cm2/s) × 10−3 | Thermal diffusivity enhancement % | Thermal diffusivity
(cm2/s) × 10−3 | Thermal diffusivity enhancement % |
| | 0.125 | 1.476 ± 0.002 | 3.1 | 1.482 ± 0.004 | 3.5 | | 0.25 | 1.483 ± 0.003 | 3.5 | 1.494 ± 0.002 | 4.3 | | 0.5 | 1.492 ± 0.004 | 4.2 | 1.515 ± 0.003 | 5.8 |
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