Numerical Simulation and Experiment on Impulse Noise in a Small Caliber Rifle with Muzzle Brake

<div>One-third octave frequency spectrum. Comparison between cases with and without the muzzle brake. (a) Point 1 at <i>θ</i> = 90° and <i>r</i> = 1.0 m. (b) Point 5 at <i>θ</i> = 45° and <i>r</i> = 1.0 m. (c) Point 9 at <i>θ</i> = 0° and <i>r</i> = 1.0 m.</div>

Shock and Vibration

fig17

Figure 17

Figure 17: Numerical Simulation and Experiment on Impulse Noise in a Small Caliber Rifle with Muzzle Brake 