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

Table 4

Complex refractive index of bituminous coal particle under different wavelengths.

Wavelength (m)
2	1.51971	0.00092
3	1.50702	0.02015
4	1.4925	0.00366
5	1.45736	0.00521
6	1.39768	0.01306
7	1.32044	0.0075
8	1.071	0.06951
9	1.14862	0.80971
10	1.85831	0.65411
11	1.72159	0.21717
12	1.57001	0.18863
13	1.64885	0.23381
14	1.59346	0.18055
15	1.5354	0.21549
16	1.50283	0.30231
17	1.48859	0.38969
18	1.46852	0.4186
19	1.45142	0.44569
20	1.3968	0.52381
21	1.42626	0.68305
22	1.57382	0.93501
23	1.7657	0.95984
24	1.81469	0.91042
25	1.57361	0.78529