Experimental study on the rebound characteristics of oblique collision of ash particles and the influence of ammonium bisulfate

Figures & data

Figure 1. The schematic diagram of the particle oblique collision.

Figure 2. The experimental system of the ash particle impact.

Table 1. Ash compositions.

Item	Al2O3	CaO	Fe2O3	K2O	MgO	Na2O	SiO2	SO3	TiO2	P2O5
wt%	27.80	14.66	13.18	1.79	1.43	0.76	36.24	1.34	1.81	0.30

Table 2. Experimental parameter.

Condition	1	2	3	4	5
	Original/impact velocity	Impact angle	Furnace temperature	ABS coating	ABS blending
Impact velocity (m/s)	0.4–3.0	1.5	1.0	0.5–2.0	0.5–2.0
Impact angle (°)	60	15, 30, 45, 60, 75	60	60	60
Furnace temperature (°C)	300	300	250, 300, 350, 400	300	300
Particle	Ash				Ash + ABS
Particle diameter (μm)	21–58
Target material	Stainless steel			Stainless steel + ABS	Stainless steel

Figure 3. The dependence of the rebound velocity and angle on the impact velocity. T = 300 °C, α_i = 60°.

Figure 4. The dependence of the coefficient of restitution on the impact velocity. T = 300 °C, α_i = 60°.

Figure 5. The dependence of the rebound velocity and angle on the impact angle. T = 300 °C, V_i = 1.5 m/s.

Figure 6. The dependence of the coefficient of restitution on the impact angle. T = 300 °C, V_i = 1.5 m/s.

Figure 7. The dependence of $e_t$ on $\left(1+e_n\right)$$\text{tan}{\alpha }_i$

Table 3. The temperature at different vertical distances from the impact plane.

Vertical distance from impact plane (mm)	Experimental temperature (°C)
	250	300	350	400
0	148	208	249	289
50	176	231	276	328
350	225	273	310	359
650	248	294	345	398
950	249	311	360	411
1250	95	131	185	233

Figure 8. The dependence of the rebound velocity and angle on the experimental temperature.

Figure 9. The dependence of the coefficient of restitution on the experimental temperature. α_i = 60°, V_i = 1.0 m/s.

Figure 10. The dependence of the rebound velocity on the impact velocity. Original (condition 1), ABS coating (condition 4), ABS blending (condition 5), T = 300 °C, α_i = 60°.

Figure 11. The dependence of the rebound angle on the impact velocity. Original (condition 1), ABS coating (condition 4), ABS blending (condition 5), T = 300 °C, α_i = 60°.

Figure 12. The dependence of the coefficient of restitution on the impact velocity. Original (condition 1), ABS coating (condition 4), ABS blending (condition 5), T = 300 °C, α_i = 60°.