ONE DIMENSIONAL MODELING OF REACTING TWO-PHASE FLOW OF GAS-SOLID PARTICLE IN GUN SYSTEM
Combustion in a gun barrel is a two-phase heterogeneous type. After the ignition of the contents of barrel, the pressure and temperature of the combustion products increase due to the combustion of propellant grains. This pressure causes the projectile to move during which the propellant combustion and the expansion of the combustion products, occur simultaneously. The history of the pressure and temperature in the reacting zone is needed in order to design gun barrel and to determine the projectile characteristics. In this study, the reacting, two-phase flow of granular propellant with area change is simulated and the pressure distribution in the reacting zone is obtained as a function of time or the projectile coordinates with respect to its origin. in addition, the motion and acceleration characteristics of the projectile are determined. In addition, we merge one-dimension and lumped parameter model to modeling two-phase flow in gun to corrected base and breech pressure and influence of velocity lag to create ullage region. The final outcomes of this study are the solution of gun interior ballistics equations and determination of the pressure and temperature history in gun barrel and velocity of the projectile in order to design such gun system.
Mojtaba Behroozi Reza Ebrahimi
Iran-Tehran- K.N. Toosi University of Technology Iran-Tehran-K.N.Toosi University of Technology
国际会议
25th International Symposium on Ballistics(第25届国际弹道会议)
北京
英文
3-10
2010-05-17（万方平台首次上网日期，不代表论文的发表时间）