Experimental Evaluation of Erosion of Gunmetal under Asymmetrical Shaped Sand Particle

Table 5

Levels for various control factors.

Control factor	Level			Units
	I	II	III
: velocity of impact	30	40	50	(m/s)
: angle of impingement	30	60	90	(Deg)
: erodent size	300–355	355–500	500–600	(μm)
: stand-off distance	15	20	25	(mm)