Table 10 Comparison of adsorption constant, firmness coefficient and initial diffusion velocity of similar materials between experiment values and original values.

From: Experimental study on the ratio model of similar materials in the simulation test of coal and gas outburst

Experimental data

Raw material ratio

Parameter

Pulverized coal ratio

Sodium humate content (%)

River sand content (%)

Adsorption constant

Initial velocity of diffusion (ΔP)

Firmness coefficient (f)

a

b

Original values

0.4

0.5

4

25.6248

1.7734

19

0.17

Experiment values

0.4

0.3

4

24.5461

1.8325

16

0.15

Relative deviation

–

–

–

4.21%

3.33%

15.8%

11.8%

Back to article page