Research Article
Influence of Process Parameters and Convective Heat Transfer on Thermophysical Properties of SiO2 Nanofluids by Multiobjective Function Analysis (DFA)
Table 4
Heat transfer coefficient, Nusselt and Reynolds number.
| Runs | TC (W/mK) | SHC (J/kg K) | V (Cp) | Fluid velocity (m/s) | Heat transfer coefficient (W/m2 K) | Nusselt number | Reynolds number |
| 1 | 0.9101 | 686 | 0.00145 | 0.36 | 1.45 | 0.013092 | 2.035862 | 2 | 0.9213 | 679 | 0.00168 | 0.52 | 1.55 | 0.013796 | 2.538095 | 3 | 0.9528 | 681 | 0.00194 | 0.81 | 1.69 | 0.014545 | 3.423711 | 4 | 0.9122 | 690 | 0.00159 | 0.59 | 1.85 | 0.01663 | 3.042767 | 5 | 0.9357 | 695 | 0.00174 | 0.458 | 1.91 | 0.016738 | 2.158391 | 6 | 0.9212 | 689 | 0.00152 | 0.235 | 1.44 | 0.012818 | 1.267763 | 7 | 0.9185 | 696 | 0.00146 | 0.67 | 1.73 | 0.015445 | 3.763014 | 8 | 0.9119 | 691 | 0.00151 | 0.298 | 1.57 | 0.014118 | 1.618278 | 9 | 0.9623 | 688 | 0.00162 | 0.369 | 1.39 | 0.011845 | 1.867778 |
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