Empirical Study of the Effect of Nanocoolant Particles on Corrosion Rate of 316 Stainless Steel

Table 9

Experiment design of independent variable to study corrosion rate in nanocoolant.

Code		Original		Corr. rate (mm/y)
Rotational	Temperature	Rotational	Temperature	Measured (y)	Predicted (ŷ)	y-ŷ
1	1	1100	60	4.837	4.914	-0.077
1	-1	1100	40	3.161	2.914	0.247
-1	1	300	60	1.163	1.398	-0.235
-1	-1	300	40	0.890	0.800	0.090
1.4	0	1500	50	4.475	4.493	-0.018
-1.4	0	0	50	0.394	0.552	-0.158
0	1.4	700	70	3.979	3.431	0.548
0	-1.4	700	30	1.225	1.612	-0.387
0	0	700	50	3.284	3.284	0.000
0	0	700	50	3.150	3.284	-0.134