引信用侧进气涡轮电机三维绕流流场数值模拟  

Numerical Simulation of Three-dimensional Flow-field of a Turbine Alternator with Side Intake Ducts for the Fuze

作　　者：徐长江[1] 张河[1] 

机构地区：[1]南京理工大学机械工程学院

出　　处：《弹箭与制导学报》2006年第S6期436-438,共3页Journal of Projectiles,Rockets,Missiles and Guidance

摘　　要：从全三维Naiver-Stokes方程出发,分析了引信用侧进气涡轮电机的外部三维绕流流场数值模拟方法,数值模拟了攻角α=0°,来流马赫数Ma∞=0.4、Ma∞=0.8和Ma∞=1.2条件下的某引信用侧进气涡轮电机的外部三维绕流流场,分析了流场的分布特性,计算结果得到了清晰的流场波系结构,模拟结果与工厂初步实验结果吻合良好。In the cylindrical coordinate system rotating with a certain angular velocity, the three-dimensional compressible. Reynolds-averaged Navier-Stokes equations with q -ωeddy-viscosity two-equation turbulence models were solved. The three-dimensional flow-field of a turbine alternator with side intake ducts for the fuze was numerically simulated under the conditions of the anger of attack ,a = 0°,Ma∞=0. 4,Ma∞=0. 8. and Ma∞= 1. 2. Pressure contours, density contours. Mach number contours on the fuze were obtained. And the clear flow structure was obtained. The results of simulation are shown to be in close agreement with experimental data.

关 键 词：引信电源 涡轮电机 侧进气 数值模拟 流场 

分 类 号：TJ430.3[兵器科学与技术—火炮、自动武器与弹药工程]