Analysis of Coal Swelling Deformation Caused by Carbon Dioxide Adsorption Based on X-Ray Computed Tomography

Table 1

The strain of coal layer under different pressures.

Pressure (MPa)	Strain (10^−4)
	M001	M036	M092	M161	M189	M265	M343	M382	M496	Average
0.5	28.18	28.78	27.52	28.34	28.82	28.22	28.16	27.44	27.84	28.14
1.0	43.06	42.16	43.19	43.43	42.71	42.31	43.52	42.71	41.99	42.75
1.5	48.66	47.81	47.65	47.25	48.35	48.35	47.41	47.82	47.82	47.81
2.0	53.12	52.14	51.87	53.28	52.83	52.52	53.07	52.81	53.17	52.71
2.5	55.82	54.18	53.98	54.21	54.12	54.18	53.73	55.28	55.21	54.36