Experimental Evaluation of Erosion of Gunmetal under Asymmetrical Shaped Sand Particle

Table 2

The impact velocity calibration at various pressure.

Pressure (bar)	Speed of the rotating disc (rpm)	Linear separation of two marks (mm)	Impact velocity (m/s)	Average impact velocity (m/s)
3.5		6.2	49.61
	4700	6.3	48.83	50
		6.1	50.42
3		7.4	39.98
	4500	7.2	40.88	40
		7.4	39.78
2		8.7	30.07
	4000	8.5	30.75	30
		8.6	30.42