Research Article
Multiphase CFD Simulation of Solid Propellant Combustion in a Small Gun Chamber
Table 2
Comparison of interior ballistic performance for charge weight of 0.245 g.
| | Computed values (present code) |
Lumped-parameter code (STANAG 4367) |
Firing data test [28] | | No friction | With friction | | Value | Error (%) | Value | Error (%) |
| Maximum average chamber pressure (MPa) | 207.82 | | 227.49 | | 175.3 | | Maximum average breech pressure (MPa) | 208.84 | | 228.89 | | 176.1 | | Maximum average mouth case pressure (MPa) | 207.31 | −10.64 | 226.56 | −2.34 | | 232 | Maximum average shot base pressure (MPa) | 206.44 | | 225.49 | | 173.7 | | Shot muzzle velocity (m/s) | 366.9 | 11.18 | 332.72 | 0.82 | 310.92 | 330 | Shot exit time (ms) | 0.776 | | 0.802 | | 0.788 | <1 |
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