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포신 마모 예측의 정확도 향상을 위한 적합 근사식 유도(Ⅰ)
정동윤(Chung Dong-Yoon),오명호(Oh Myoungho) 한국트라이볼로지학회 2002 한국트라이볼로지학회 학술대회 Vol.35 No.-
We predict the unknown cannon tube erosion rate by using observed values of the standard cannon, 155㎜ Howitzer M185. We know the standard cannon's ten erosion observation values each 400 rounds. An approximate formula fitting the erosion values of the standard cannon has been derived. Numerical simulation applying this formula to the Rauf Imam's erosion equations is presented.
정동윤(Dong-Yoon Chung),오명호(Myoungho Oh),신내호(Naeho Shin) 한국트라이볼로지학회 2009 한국트라이볼로지학회지 (Tribol. Lubr.) Vol.25 No.3
One of the critical issues associated with the 40㎜ long hollow cylinder's development and maintenance is the prediction of cylinder erosion. The actual firing test is the most accurate method to measure the cylinder erosion rate. But it costs a great deal and requires a long measurement time. Hence many empirical methods have been proposed to predict the erosion rate and life span of long hollow cylinders. An EFC formula is calculated. An approximate erosion formula for the ammunition type A is derived to interpolate 16 observation values up to 4,000 rounds. A new erosion equation and muzzle velocity formula are also suggested. Several numerical results are presented.