40 mm 장축공동실린더의 마모경험식 유도
Derivation of Empirical Erosion Equation of the 40 mm Long Hollow Cylinder
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초록
One of the critical issues associated with the 40mm 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.
Abstract
One of the critical issues associated with the 40mm 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.
참고문헌 (5)
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- 트라이볼로지 개념을 이용 한 핵심부품의 수명예측 기법 연구, ADD 용역연구보고서, "정동윤", ~ (2002)
- An Empirical Approach to Predicting Cannon Tube Erosion Rate, "Rauf Imam", Benet Weapons Lab, ~, pp.AD-786 531 (1974)
- 정동윤, "포신 마모 예측의 정확도 향상을 위한 실험적 방법 유도", 한국군사과학기술학회지, 5(3), pp.23~32 (2002), 한국군사과학기술학회
- Dong-Yoon Chung, "New Empirical Method to Enhance the Accuracy in the Erosion Prediction of Cannon Tube", WEAR, 255(1), pp.98~101 (2003)