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Volume 34 Issue 6
Nov 2020
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Chinese Journal of High Pressure Physics  > 2020  >  34(6): 065102.
YU Haiwei, YUAN Juntang, WANG Zhenhua, GE Miaoran, LUO Yue. Muzzle Blast Wave Investigation and Performance Analysis of New-Structure Muzzle Brake Based on Numerical Simulation[J]. Chinese Journal of High Pressure Physics, 2020, 34(6): 065102. doi: 10.11858/gywlxb.20200568
Citation: YU Haiwei, YUAN Juntang, WANG Zhenhua, GE Miaoran, LUO Yue. Muzzle Blast Wave Investigation and Performance Analysis of New-Structure Muzzle Brake Based on Numerical Simulation[J]. Chinese Journal of High Pressure Physics, 2020, 34(6): 065102. doi: 10.11858/gywlxb.20200568
shu

Muzzle Blast Wave Investigation and Performance Analysis of New-Structure Muzzle Brake Based on Numerical Simulation

doi: 10.11858/gywlxb.20200568

  • School of Mechanical Engineering, Nanjing University of Science and Technology, Nanjing 210094, Jiangsu, China

  • Received Date: 12 Jun 2020
  • Rev Recd Date: 03 Jul 2020
    Abstract
  • Taking advantages of the additive manufacturing technology, our work proposes a new small-caliber light metal gun muzzle brake scheme with an impact-type inner wall and reaction-type outer hole feature. On the basis of the finite element simulation model of the after-effective period gunpowder gas evacuation, which was established by means of the three-dimensional non-viscous Euler equation, the muzzle flow field was simulated, the fluid-solid interaction was analyzed, and then the development of muzzle flow field, the characteristics of the muzzle blast wave and overpressure distribution, as well as the efficiency of the muzzle brake and its strength performance were investigated. The results showed that, compared with the traditional structure, the new muzzle brake with the same kind of lightweight titanium alloy material has a higher recoil efficiency, being characteristic of better muzzle overpressure distribution and lower shock wave hazard benefit for the airborne platform. Additionally, its structural strength can meet the operating requirements.

     

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