CAJ | 학술논문

针对烟火药剂发射药受摩擦作用点火时会导致意外爆炸，而动摩擦系数是衡量摩擦作用获得能量的关键参数问题，基于摩擦感度测试仪物理模型，结合理论建模与计算，获得测定动摩擦系数方法，并结合实验研究获得有烟发射药黑火药与无烟发射药退役单基药两种常用烟火药剂发射药的动摩擦系数；研究不同实验条件对两动摩擦系数影响。结果表明，两种烟火药剂发射药的动摩擦系数均为同一范围值，且随压力及滑动速度的增大，两动摩擦系数范围均有一定变化，而每种实验条件的黑火药动摩擦系数均大于退役单基药动摩擦系数。
침대연화약제발사약수마찰작용점화시회도치의외폭작，이동마찰계수시형량마찰작용획득능량적관건삼수문제，기우마찰감도측시의물리모형，결합이론건모여계산，획득측정동마찰계수방법，병결합실험연구획득유연발사약흑화약여무연발사약퇴역단기약량충상용연화약제발사약적동마찰계수；연구불동실험조건대량동마찰계수영향。결과표명，량충연화약제발사약적동마찰계수균위동일범위치，차수압력급활동속도적증대，량동마찰계수범위균유일정변화，이매충실험조건적흑화약동마찰계수균대우퇴역단기약동마찰계수。
Ignition under friction is one of the important reasons that lead to accidental explosion of pyrotechnic propellant.Dynamic friction coefficient is a key parameter for determining the energy obtained through friction.A new method for calculating the dynamic friction coefficient was presented.Based on the physical model of friction sensitivity tester the theoretical modeling and numerical calculations were performed.The dynamic friction coefficients of black powder and expired single-base propellant were measured based on this method and related experimental study was carried out.Meanwhile the effects of different experiment conditions on the dynamic friction coefficient of both propellants were discussed.The results show that the values of dynamic friction coefficients of both propellants are within the same range. With the increase of pressure and sliding velocity,the dynamic friction coefficients of both propellants will vary in a certain degree.The dynamic friction coefficient of black powder is greater than that of expired single-base propellant.