Table 4 Comparison between test results and numerical simulation results.
From: Research on shock wave driving technology of methane explosion
Test point | Â | Test | Numerical simulation | Relative error |
|---|---|---|---|---|
T1 | Peak overpressure/kPa | 200.8 | 228.7 | 13.8% |
Positive pressure duration/ms | 25 | 47 | 46.8% | |
T2 | Peak overpressure/kPa | 216.4 | 202.3 | 6.5% |
Positive pressure duration/ms | 37 | 41 | 9.7% | |
T3 | Peak overpressure/kPa | 157.5 | 175.2 | 11.2% |
Positive pressure duration/ms | 35 | 40 | 12.5% |