Numerical Study on Infrared Optical Property of Diffuse Coal Particles in Mine Fully Mechanized Working Combined with CFD Method

Table 2

Simulation results of dust particle dispersion in vertical direction.

Distance (m)	Vertical height (m)	Dust dispersion degree (%)
		2 m	25 m	510 m	10 m
5	0.5	16	22	42	20
	1.5	22.5	23	37.5	17
	2	28	33.5	33	5.5
15	0.5	30	30.5	27.5	12
	1.5	30	29	31.5	9.5
	2	32	29	35	4
25	0.5	33.5	28.5	31.5	6.5
	1.5	39.5	32.5	23.5	4.5
	2	38	27.5	31	3.5