Research Article
Numerical Simulation and Sensitivity Analysis Using RSM on Natural Convective Heat Exchanger Containing Hybrid Nanofluids
Table 7
ANOVA for Nuav using RSM.
| | Source | DOF | SS | F-value | p-Value | Comment |
| | Model | 9 | 426.03 | 100.56 | <0.0001 | Significant | | Ra | 1 | 292.70 | 621.77 | <0.0001 | — | | Ha | 1 | 8.21 | 17.45 | 0.0019 | — | | ϕ | 1 | 22.47 | 47.72 | <0.0001 | — | | Ra2 | 1 | 32.30 | 68.61 | <0.0001 | — | | Ha2 | 1 | 0.0162 | 0.0344 | 0.8566 | — | | ϕ2 | 1 | 3.69 | 7.83 | 0.0188 | — | | Ra.Ha | 1 | 7.89 | 16.75 | 0.0022 | — | | Ra.ϕ | 1 | 5.66 | 12.03 | 0.0060 | — | | Ha.ϕ | 1 | 1.95 | 4.14 | 0.0691 | — | | Lack-of-fit | 5 | 4.71 | — | — | Insignificant | | Pure error | 5 | 0.000 | — | — | — |
|
|
Note. R2 = 98.91%, adjusted R2 = 97.92%. Values indicated in the bold font denote insignificant terms ( ). |
