Research Article
Influence of Multiple Factors on the Explosion Characteristics of Flammable Gases in Municipal Sewage Pipelines
| Factors | Inspection well depth (m) | Gas concentration and composition | Ignition position | Ignition position test points |
| Influence of ignition position | 4 | 6% CH4 | Top Center Bottom | Test point 21 Test point 17 Test point 13 |
| Influence of inspection well depth | 2 4 6 | 6% CH4 | Center | Test point 15 Test point 17 Test point 16 | Influence of gas composition | 4 | 6% CH4 6% CH4ā+ā1% C8H18 | Center | Test point 17 |
| Influence of gas concentration | 4 | 2% C8H18 4% C8H18 6% C8H18 | Center | Test point 17 |
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