Research Article
Simulation Study on the Impact Response of Barrels with Different Rifling Profiles during Bullet Engraving
Table 8
Maximum chamber pressures corresponding to different cross-sectional profiles.
| | Rifling section shape | The maximum chamber pressure/MPa | Deviation/MPa | Percentage/% |
| | Rectangular | 299.6 | 0 | 0 | | Trapezoidal | 274.8 | -24.8 | -8.2 | | Multiarc | 248.7 | -50.9 | -17 | | Multilateral-arc | 249.5 | -50.1 | -16.7 |
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