Table 10 Simulation results at different shutdown time (15Â min).
From: Research on hydrogen distribution characteristics in town hydrogen-doped methane pipeline
Time(s) | Hydrogen volume fraction (%) | |||||
|---|---|---|---|---|---|---|
S1.1 | S2.1 | S3.1 | Minimum value | Maximum value | Gradient value | |
0 | 15.33246 | 15.39689 | 15.33706 | 14.51901 | 15.42590 | 0.90689 |
150 | 32.00617 | 33.68160 | 32.02705 | 4.34499 | 34.42110 | 30.07611 |
300 | 49.93739 | 51.81378 | 49.42603 | 1.04532 | 53.51762 | 52.47230 |
450 | 68.20180 | 71.44794 | 68.98804 | 0.23963 | 74.32046 | 74.08083 |
600 | 81.08907 | 84.84687 | 82.71891 | 0.07185 | 88.26281 | 88.19096 |
750 | 90.24841 | 93.61774 | 92.65952 | 0.01792 | 97.33655 | 97.31863 |
900 | 96.44072 | 96.96952 | 90.22393 | 0 | 100 | 100 |
