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

Table 10

Experiment design of independent variable to study corrosion rate in the conventional coolant.

Code		Original		Corr. rate (mm/y)
Rotational	Temperature	Rotational	Temperature	Measured (y)	Predicted (ŷ)	y-ŷ
1	1	1100	60	1.916	1.981	-0.065
1	-1	1100	40	0.879	0.956	-0.077
-1	1	300	60	0.723	0.766	-0.043
-1	-1	300	40	0.418	0.473	-0.055
1.4	0	1500	50	1.924	1.683	0.241
-1.4	0	0	50	0.406	0.495	-0.089
0	1.4	700	70	1.702	1.451	0.251
0	-1.4	700	30	0.430	0.528	-0.098
0	0	700	50	0.800	0.800	0.000
0	0	700	50	0.820	0.800	0.020