Solid Particle Erosion of Date Palm Leaf Fiber Reinforced Polyvinyl Alcohol Composites

Table 2

Parameters characterizing the velocity dependence of erosion rate of PVA/DPL composites.

Wt% of DPL fiber	Impingement angle (𝛼, °)	𝑘	𝑛	𝑅^2
0	15	1×10^−8	2.072	0.996
	30	2×10^−7	2.018	0.995
	45	1×10^−8	2.277	0.996
	60	3×10^−8	2.118	0.997
	90	1×10^−8	2.154	0.999
10	15	5×10^−9	2.637	0.998
	30	4×10^−7	2.56	0.999
	45	3×10^−7	2.88	0.992
	60	1×10^−8	2.05	0.999
	90	2×10^−8	2.438	0.999
20	15	6×10^−9	2.683	0.997
	30	3×10^−8	2.242	0.998
	45	5×10^−7	2.109	0.997
	60	1×10^−8	2.422	0.996
	90	2×10^−8	2.138	0.997
28	15	6×10^−9	2.742	0.996
	30	4×10^−8	2.332	0.999
	45	5×10^−7	2.158	0.996
	60	1×10^−8	2.334	0.998
	90	2×10^−8	2.301	0.999
30	15	6×10^−9	2.779	0.999
	30	3×10^−8	2.384	0.999
	45	1×10^−7	2.113	0.997
	60	7×10^−7	2.140	0.999
	90	1×10^−8	2.352	0.999
40	15	6×10^−9	2.804	0.997
	30	3×10^−8	2.464	0.998
	45	2×10^−7	2.127	0.997
	60	4×10^−7	2.170	0.999
	90	1×10^−8	2.446	0.998