Table 1 Sample physical parameter Measurement.

From: Coupled simulation study of CO2 adsorption in coal matrix based on CT-derived representative elementary volume (REV)

Sample No.

P1

P2

P3

Mean

Diameter × Height

mm×mm

25.01 × 49.10

25.12 × 50.11

24.99 × 49.56

25.04 × 49.56

Mass

g

35.3

35.1

34.9

35.1

Density

kg/m3

1463.4

1413.3

1435.7

1437.5

Elastic Modulus

GPa

1.21

1.24

1.19

1.18

Peak strength

MPa

12.4

12.5

12.0

12.3

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