Research Article
Optical Estimation on Pollution Level of Respirable Dust Based on Infrared Transmitting Behavior in Coalmine Fully Mechanized Working Face
Table 4
Dust concentration distribution along the working face.
| Distance/m | Dust concentration/(g/m3) | 0.5 m | 1.5 m | 2.5 m |
| 1 | 0.24021 | 0.16605 | 0.06150 | 5 | 0.74450 | 0.72991 | 0.12454 | 10 | 0.93809 | 0.88750 | 0.19890 | 15 | 0.51265 | 0.61281 | 0.24133 | 20 | 0.41177 | 0.48878 | 0.29447 | 25 | 0.32211 | 0.35261 | 0.32579 | 30 | 0.33073 | 0.39576 | 0.33696 | 35 | 0.33935 | 0.43890 | 0.34812 | 40 | 0.32293 | 0.34323 | 0.28529 | 45 | 0.31482 | 0.33517 | 0.28121 | 50 | 0.30671 | 0.32711 | 0.27713 | 60 | 0.29748 | 0.31686 | 0.27264 | 70 | 0.28825 | 0.30661 | 0.26816 | 80 | 0.30564 | 0.32971 | 0.26749 | 90 | 0.32303 | 0.35282 | 0.26683 | 100 | 0.34042 | 0.37592 | 0.26617 |
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