Abstract
120 mm 박격포탄 중 RAP탄에 사용된 혼합형 고체로켓추진제의 조성 및 탄 형상을 설계하여 탄에 적용된 추진기관의 성능을 분석하고, 해당 성능에 관련하여 외탄도 성능을 비교함으로서 일련의 탄 성능 개량의 절차와 과정을 수행하였다. 혼합형 추진제의 기본적인 특성을 위해, 성능해석과 더불어 추진기관의 지상연소시험을 수행하여 분석하고, 탄의 발사시험으로 기존 탄에 비해 70% 사거리 연장에 대한 성능을 얻을 수 있었다. The technical procedure of an enhancement of a 120 mm rocket assisted projectile has here addressed by analyzing the ballistic performance with several the solid rocket propellants and shell designs. The performance was evaluated by aero-ballistic analyses and static ground tests of the rocket motor. Consequently, firing tests showed that one of tested models gave about 70% of extended range compared with conventional projectiles.
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