Table 3.
Extent of heat load cooling and average ferrofluid velocity for various metallic magnetic nanoparticle-based ferrofluids. Notation: T0 = initial heat load temperature, Q = applied heat flux, ΔT = heat load cooling, v = average ferrofluid velocity.
| Materials | Bulk Ms (kA/m) | T0 = 60 °C, Q = 0.6 kW/m2 | T0 = 200 °C, Q = 2.6 kW/m2 | ||
|---|---|---|---|---|---|
| ΔT (°C) | v (mm/s) | ΔT (°C) | v (mm/s) | ||
| AlCoFeNiCr | 320 | 22.2 | 2.84 | 108.53 | 5 |
| FeNi0.7Cr0.3 | 349 | 23.5 | 2.95 | 119.5 | 11.69 |
| FeCu | 361.2 | 24.1 | 2.8 | 117.67 | 9.3 |
| FeNi0.9Cr0.1 | 385 | 23.1 | 3.75 | 116.7 | 8.8 |
| AlCoFeNi | 882.5 | 28.6 | 10.3 | 137 | 14.8 |
| Fe0.3Ni0.7 | 1274 | 29.4 | 12.56 | 140 | 17.17 |
| Fe | 1738 | 30.5 | 21.03 | 152.4 | 32.5 |
| FeCo | 2002 | 31.9 | 28 | 155 | 35.5 |