Figure 8.
The graph illustrates the relationship between sample average saturation degree and time. The horizontal axis represents time labelled as t in hours and ranges from 10 to 100000 using a logarithmic scale. The vertical axis indicates sample average saturation degree labelled as f w ranging from 0.7 to 1. There are three distinct data sets represented by different line styles, solid for f equals 0.25, dashed for f equals 0.322, and dotted for f equals 0.4. Each line decreases over time indicating a decline in saturation degree. The graph includes a legend placed within a box at the bottom left corner clearly associating each line style with its corresponding value of f.Time evolution of sample average saturation degree, , for 20 mm sample size under condition HP2D with different porosities. In homogeneous conditions, the porosity is constant throughout the sample