我们知道,枪械射击时的噪声主要来自两个方面:弹头飞出枪口时由火药燃气引起的气动力噪声和弹头飞出枪口后飞行时的弹道噪声。枪口消声器是针对前者,即减少火药燃气引起的噪声,应用比较多的消声原理有膨胀消声原理、涡流消声原理、吸热消声原理、密闭消声原理、枪管开孔消声原理、多孔材料消声原理、弹簧消声原理等,在实际采用时,常常是几种消声原理的综合应用。 We know that the noise from firearms shooting mainly comes from two aspects: the aerodynamic noise caused by the propellant gas when the warhead is flying out of the muzzle and the ballistic noise when flying off the muzzle. Muzzle muffler is aimed at the former, that is, to reduce the gunpowder gas caused by noise, the principle of more muffler expansion muffler principle, eddy current muffler principle, endothermic anechoic principle, closed muffler principle, muzzle open muffler Principle, muffler principle of porous materials, spring muffler principle, etc., in actual use, is often the comprehensive application of several muffler principle.