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| Content Provider | IET Digital Library |
|---|---|
| Author | Huang, Zhengui Xia, Chenchao Cao, Yuan Chen, Zhihua Zhang, Huanhao |
| Abstract | Sabot asymmetric discard after the projectile being launched from the muzzle at various angles of attack and 4Ma is investigated. This is implemented by the coupling computational fluid dynamics (CFD) and six degrees-of-freedom exterior ballistic code through the unstructured dynamic mesh and user defined function. The flow field characteristics during sabot discard process and the trajectory parameters of all three sabots have been obtained. In addition, the aerodynamic coefficients of the projectile are also obtained. The numerical results show that the asymmetric discard of sabot is more obvious along with the increasing angle of attack. Moreover, the aerodynamic forces of projectile have a larger change and the pressure distribution of its surface is more asymmetric and complex. This means the aerodynamic interference at a non-zero angle of attack contributes more significantly to shooting dispersion and flight stability than that at zero angle of attack and the influence increases as the angle of attack increases. |
| Starting Page | 373 |
| Ending Page | 378 |
| Page Count | 6 |
| Volume Number | 2019 |
| e-ISSN | 20513305 |
| Issue Number | Issue 13, Jan (2019) |
| Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/joe/2019/13 |
| Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/10.1049/joe.2018.9006 |
| Journal | The Journal of Engineering |
| Publisher | The Institution of Engineering and Technology |
| Publisher Date | 2018-10-22 |
| Access Restriction | Open |
| Rights License | Creative Commons Attribution License (http://creativecommons.org/licenses/by/3.0/) |
| Subject Keyword | Aerodynamic Coefficient Aerodynamic Interference Aerodynamics APFSDS Applied Fluid Mechanics Attack Increases Ballistics Ballistics And Mechanical Impact (mechanical Engineering) Buckling And Instability Compressible Flows; Shock And Detonation Phenomena Computational Fluid Dynamics Computational Method Coupling CFD Defence Industry Flight Stability Flow Field Characteristic Fluid Mechanics General Fluid Dynamics Theory Increasing Angle of Attack Mechanical Component Mechanical Engineering Mechanical Stability Nonzero Angle of Attack Numerical Investigations Pressure Distribution Projectile Aerodynamic Forces Projectiles Sabot Asymmetric Discard Sabot Discard Process Shooting Dispersion Simulation Six Degrees-of-freedom Exterior Ballistic Code Trajectory Parameter Unstructured Dynamic Mesh User Defined Function Weapons |
| Content Type | Text |
| Resource Type | Article |
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