Numerical Research on Rotating Band Engraving Process of a Large-caliber Howitzer under Two Different Charge Conditions

摘要：

　　To explore the mechanism of rotating band engraving process of a large-caliber howitzer under two different charge conditions(Case 6# and Case 2#),the finite element model of the rotating band engraving into the forcing cone section of the gun tube was constructed.The dynamic engraving processes of the rotating band under Case 6# and Case 2# were studied respectively through numerical simulations,and the maximum resistance,the engraving pressure and the projectile velocity at the corresponding time were obtained.The dynamic engraving resistance of the rotating band,the engraving pressure and the movement of the projectile were also calculated.The calculation results show that the projectile motions,the dynamic engraving resistance and the engraving pressure values in Case 6# and Case 2# are different remarkably.This work is helpful on studies of initial conditions of projectile motion and complex phenomena in bore during the period of engraving under different charge conditions.

关键词： Engraving of Rotating Band Engraving Resistance Engraving Pressure Projectile Motion Charge Condition Finite Element Simulation

作者: Quanzhao SUN Guolai YANG Jianli GE Rui XU

作者单位: School of Mechanical Engineering,Nanjing University of Science and Technology,Nanjing 210094,Jiangsu,P.R.China

会议类型: 国际会议

会议名称: The 5th International Conference on Mechanical Engineering and Mechanics(第五届国际机械工程与力学会议)

会议地点: 江苏扬州

会议语种:英文

页码: 193-198

在线出版日期: 2014-08-21（万方平台首次上网日期，不代表论文的发表时间）