An Experimental Study on the Particle Size and Shape Distribution of Coal Drill Cuttings by Dynamic Image Analysis
Table 1
Statistical parameters (mean, standard deviation, relative standard deviation, and half-width of the 95% confidence interval) of PSD characteristics parameters of 8 times repeated experiments ( g).
Measurement number or statistical parameters
Mean diameter (μm)
Median diameter D50 (μm)
Sorting coefficient
1#
1930.09
1905.03
1.60
2#
1820.37
1748.47
1.67
3#
1802.98
1781.41
1.52
4#
1829.04
1746.32
1.69
5#
1829.64
1788.31
1.61
6#
1839.76
1810.73
1.68
7#
1831.06
1748.58
1.68
8#
1770.46
1701.43
1.55
Mean
1831.67
1778.78
1.63
Standard deviation
45.45
60.86
0.07
Relative standard deviation
0.02
0.03
0.04
Half-width of the confidence interval (95% confidence)
