Simulation Analysis on Water’s Micro Seepage Laws under Different Pressure Gradients Using Computed Tomography Method
Table 5
Simulated results of average seepage pressure, average seepage velocity, and average mass flow on each section under different inlet pressures.
Inlet pressure (MPa)
Seepage parameters
Distance from the inlet section (μm)
0
5
10
15
20
25
30
35
40
45
50
55
60
0.3
P1
0.30
0..29
0.29
0.26
0.23
0.21
0.18
0.16
0.15
0.13
0.12
0.11
0.10
V2
0.82
0.92
1.19
1.63
1.54
1.69
1.51
1.26
1.31
1.00
1.15
1.10
1.17
M3
13.34
3.96
4.45
5.61
5.59
6.10
5.35
4.93
4.31
4.12
4.19
4.61
5.12
1.7
P
1.70
1.69
1.62
1.38
1.05
0.87
0.71
0.50
0.44
0.30
0.25
0.15
0.10
V
4.20
4.58
5.96
7.93
7.77
7.99
7.43
6.73
6.70
4.61
5.82
5.27
5.31
M
37.15
18.98
21.34
26.92
26.82
29.27
25.69
23.62
20.65
19.76
20.09
22.13
27.33
4.3
P
4.30
4.27
4.11
3.49
2.60
2.13
1.71
1.13
1.00
0.62
0.52
0.23
0.10
V
7.86
8.77
10.99
14.49
14.10
14.77
14.08
13.25
12.83
8.87
11.10
9.71
9.72
M
61.01
34.00
38.23
48.22
48.04
52.43
46.01
42.31
36.99
35.40
36.00
39.65
45.55
8.1
P
8.10
8.06
7.76
6.57
4.83
3.96
3.17
2.04
1.77
1.08
0.92
0.36
0.10
V
12.75
13.67
16.06
20.72
20.70
21.97
21.03
20.35
19.52
13.39
16.67
14.83
14.56
M
84.14
49.22
55.34
69.80
69.53
75.90
66.60
61.25
53.55
51.24
52.10
57.39
64.06
13.1
P
13.25
13.08
12.48
10.54
7.75
6.39
5.13
3.26
2.68
1.67
1.47
0.55
0.10
V
19.55
19.46
20.88
26.97
27.91
29.31
28.25
28.26
26.69
18.29
22.77
20.15
19.47
M
107.91
64.66
72.70
91.70
91.35
99.70
87.50
80.47
70.34
67.26
68.43
75.39
85.92
18.1
P
18.10
18.38
17.34
14.67
10.63
8.74
7.00
4.44
3.64
2.28
2.01
0.74
0.10
V
26.54
26.07
25.11
32.72
34.09
35.39
33.81
34.76
32.6
22.31
27.75
24.52
23.33
M
126.26
76.67
86.21
108.74
108.33
118.24
103.77
95.43
83.41
79.75
81.15
89.4
101.49
Note: 1P denotes the average seepage pressure, with a unit of MPa, 2V denotes the average seepage velocity, with a unit of m·s−1, and 3M denotes the average mass flow, with a unit of 10−11 Kg·s−1.
