Table 15 The optimization conditions of MWCNTs and TiO2 nanofluids.
Parameter | Goal | Lower limit | Upper limit | Lower weight | Upper weight | Importance |
|---|---|---|---|---|---|---|
A: concentration | Minimize | 0 | 0.1 | 1 | 1 | 1 |
B: Flow rate | Maximize | 2 | 6 | 1 | 1 | 1 |
Range | Maximize | 8.8 | 25.2 | 1 | 1 | 2 |
Effectiveness | Maximize | 31.14 | 56.47 | 1 | 1 | 3 |
Me | Maximize | 0.16 | 0.8 | 1 | 1 | 5 |