Mathematical Model of a Flash Drying Process

Table 4

Sieving results on a sample of sub-bituminous coal milled to −3 mm, together with the fractions calculated by fitting a Weibull distribution with 𝜆=1.065 and 𝑘=1.115.

Sieve number	1	2	3	4	5	6	7	8
Mesh opening (mm)	2.000	1.000	0.500	0.250	0.125	0.063	0.031	0.016
Fraction retained	0.136	0.268	0.231	0.124	0.103	0.079	0.037	0.022
Calculated fractions	0.155	0.255	0.243	0.163	0.091	0.047	0.023	0.011