Experimental Evaluation of Erosion of Gunmetal under Asymmetrical Shaped Sand Particle

Table 13

Results of the confirmation experiments for erosion rate of gunmetal.

	Optimal control parameters
	Initial process parameter	Prediction	Experimental	Improvement in the result
Level	2, 1, 2, 3	2, 3, 2, 1	2, 3, 2, 1
ratio for erosion rate (dB)	−64.608	−64.866	−63.750	0.858
Erosion rate (mg/gm)	1699.83	1300.07	1523.80	10.35