含运动弹丸的某火炮膛口流场数值模拟  

Numerical Simulation of Muzzle Flow Field of Gun with Moving Projectile

作　　者：刘宗超[1] 焦志刚[1] 郭秋萍[1] 杨丽[1] 

机构地区：[1]沈阳理工大学装备工程学院,辽宁沈阳110159

出　　处：《沈阳理工大学学报》2011年第6期74-77,共4页Journal of Shenyang Ligong University

摘　　要：为研究膛口流场结构,利用Euler方程并结合Spalart-allmaras湍流模型建立流场数学模型,对某火炮含弹丸的膛口流场进行数值仿真模拟,应用动网格技术处理弹丸的运动情况。仿真结果反映了膛口流场形成及发展过程。To study muzzle flow field structure,the Euler equations and S-A turbulence model were applied to set up the model.The muzzle flow fields with moving projectile were simulated.Dynamic meshing technique was adopted to describe and control the motion situation of the projectile.The simulation result reveals the developing process of muzzle flow field.

关 键 词：膛口流场 数值模拟 运动弹丸 

分 类 号：TJ30[兵器科学与技术—火炮、自动武器与弹药工程]