This paper puts forward the magneto-rheological fluid used in the fuze safe and arming system,realizing the time delay,ensuring the muzzle safety distance.The delay arming time model of a centrifugal MRF delay arming ...This paper puts forward the magneto-rheological fluid used in the fuze safe and arming system,realizing the time delay,ensuring the muzzle safety distance.The delay arming time model of a centrifugal MRF delay arming mechanism of fuze was established based on hydrodynamics formulae,reasonable hypothesis,speciality of MRF and fuze environmental parameters.The delay arming time formula was deduced.The model illustrates the relationship between delay arming time and projectile rotating speed,and that between diameter of discharge hole and viscosity of magneto-rheological fluid.According to the analysis,a new fuze delay arming device using MRF was proposed,which can be used in medium and large caliber fuze.展开更多
文摘This paper puts forward the magneto-rheological fluid used in the fuze safe and arming system,realizing the time delay,ensuring the muzzle safety distance.The delay arming time model of a centrifugal MRF delay arming mechanism of fuze was established based on hydrodynamics formulae,reasonable hypothesis,speciality of MRF and fuze environmental parameters.The delay arming time formula was deduced.The model illustrates the relationship between delay arming time and projectile rotating speed,and that between diameter of discharge hole and viscosity of magneto-rheological fluid.According to the analysis,a new fuze delay arming device using MRF was proposed,which can be used in medium and large caliber fuze.
