带斜喷动力导弹横向喷流干扰数值研究  

Numerical Study of Lateral Jet Interaction for Oblique Jet Powered Missile

作　　者：朱中根 李杰[1] 高宏超 

机构地区：[1]西北工业大学航空学院,西安710072 [2]中国兵器工业第203研究所,西安710065

出　　处：《弹箭与制导学报》2015年第5期138-142,共5页Journal of Projectiles,Rockets,Missiles and Guidance

摘　　要：文中通过求解N-S方程对带斜喷动力导弹横向喷流干扰进行了数值模拟。研究了横向喷流干扰流场和斜喷动力流场的波系结构和涡系结构,分析了攻角和来流马赫数对横喷流场结构和表面压力系数分布的影响,并研究了横向喷流干扰效应的变化规律,结果表明横喷位于迎风侧时喷流干扰力对喷流推力起减小作用,位于背风侧时当攻角稍大时喷流干扰力则对喷流推力起放大作用;而横喷位于迎风侧和背风侧时喷流干扰力矩均对喷流力矩起放大作用。Lateral jet interaction for oblique jet powered missile was simulated numerically by solving N-S equations. Through investigating shocks and vortices structure of lateral jet interaction flowfield and oblique jet powered flowfield effects of angle of attack and Mach number on lateral jet flowfield structure and surface pressure coefficient distribution were analyzed,and variation feature of lateral jet interaction effect was studied,the results indicate that jet force is reduced by interaction force when lateral jet at windward side and is amplified when interaction force at leeward side at higher angle of attack,while jet moment is amplified by interaction moment when lateral jet both at windward side and at leeward side.

关 键 词：导弹 横向喷流 数值模拟 流场结构 

分 类 号：V211.3[航空宇航科学与技术—航空宇航推进理论与工程]