Table 2 Thermophysical properties of nanofluids
From: Scaling analysis for the investigation of slip mechanisms in nanofluids
Properties | Correlations | Nanofluids | Ref |
---|---|---|---|
Density | ρnf = ϕρp + (1 - ϕ)ρbf | - | |
Specific heat | (ρCnf) = ϕ(ρCp)p + (1 - ϕ) (ρCp)bf | [21] | |
Dynamic viscosity | μnf = μbf (T) (1 + 2.5ϕ) | Water/Cu, gold, CNT, grapheme | [22] |
μnf = μbf (T) (1 + 39.11ϕ + 533.9ϕ2) | Water/alumina | [11] | |
μnf = μbf (T) (1 + 5.45ϕ + 108.2ϕ2) | Water/titania | [11] | |
μnf = μbf (T) (1 + 56.5ϕ) | Water/silica | [23] | |
μnf = μbf (T) (1 + 11ϕ) | EG/Cu, gold, CNT, grapheme | [24] | |
μnf = μbf (T) (1 - 0.19ϕ + 3.6ϕ2) | EG/alumina | [25] | |
μnf = μbf (T) (1 + 10.6ϕ + 112.36ϕ2) | EG/titania | [26] | |
| EG/silica | [27] | |
Thermal conductivity | knf - kbf = kbf (0.764ϕ + 0.0186T - 0.46215) | Water/alumina, EG/alumina | [17] |
knf = kbf (1 + 2.92ϕ - 11.99ϕ2) | Water/titania, EG/titania | [11] | |
| Other nanofluids | Maxwell's model |