Table 17 Optimal point verification.

From: Optimizing the heat transfer characteristics of MWCNTs and TiO2 water-based nanofluids through a novel designed pilot-scale setup

Nanoparticle

Response

Predicted mean

Predicted median

Std Dev

n

95% PI low

Data mean

95% PI high

MWCNTs

Range

23.4955

23.4955

0.0952851

3

23.3026

23.5667

23.6884

Effectiveness

55.7358

55.7358

0.179157

3

55.402

55.7333

56.0696

Me

0.639329

0.636149

0.045199

3

0.570809

0.658705

0.718382

TiO2

Range

20.553

20.5513

0.393571

3

19.9571

20.6667

21.1454

Effectiveness

50.796

50.796

0.597549

3

49.8311

50.7667

51.761

Me

0.510052

0.509392

0.0183544

3

0.482848

0.505025

0.539025