Review Article
A Review on Nanofluids: Preparation, Stability Mechanisms, and Applications
Table 1
Properties of oxides and their nanofluids.
| | Thermal conductivity* W/(m·K) | Density (g/cm3) | Crystalline | Viscosity (Cp) with 5.0 vol. % 30℃ | Thermal conductivity enhancement of nanofluids (%) with 5.0 vol. % |
| MgO | 48.4 | 2.9 | Cubic | 17.4 | 40.6 | TiO2 | 8.4 | 4.1 | Anatase | 31.2 | 27.2 | ZnO | 13.0 | 5.6 | Wurtzite | 129.2 | 26.8 | Al2O3 | 36.0 | 3.6 | γ | 28.2 | 28.2 | SiO2 | 10.4 | 2.6 | noncrystalline | 31.5 | 25.3 |
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*Thermal conductivities of the oxides are for the corresponding bulk materials
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