Design and Analysis of Muzzle Brakes

• Main Authors: Yan-Chyuan Wu, 吳炎全
• Other Authors: 陳政順
• Format: Others
• Language: zh-TW
• Published: 2005
• Online Access: http://ndltd.ncl.edu.tw/handle/3uaf59

碩士 === 國立臺北科技大學 === 製造科技研究所 === 93 === Two main types of muzzle brakes named baffle type and light weight type have been designed for carrying out the simulation and analysis of muzzle flow in this research. The utilizing of parameters from simulations and some given conditions to impact deflectors of muzzle brakes to make the recoil part get a momentum to move forward in order to lower recoil force have been expressed in this research as well. Via performing flow field simulation, stress analysis and modal analysis of single baffle, double-baffle and triple-baffle muzzle brakes, safety factors were 2.5, 2.1 and 4.8 respectively, nature frequencies were 12.08Hz, 11.64Hz and 9.95Hz respectively, and muzzle efficiencies were 31.5%, 38.6% and 33.7% respectively. The light weight muzzle brake owns a high efficiency to 39.4%, in the same time it owns benefit by light weight and easy manufacture. Through the using of topology theory, the lower stress area could be removed about 70% volume and shorten assembly time to reach the goal of DFA.