细长体自旋与锥动耦合运动作用下的流动结构研究

doi:10.3969/j.issn.1000-1093.2018.03.014

兵工学报 ›› 2018, Vol. 39 ›› Issue (3): 519-527.doi: 10.3969/j.issn.1000-1093.2018.03.014

细长体自旋与锥动耦合运动作用下的流动结构研究

彭程¹，郭洋²

（1.海鹰航空通用装备有限责任公司，北京 100074； 2.北京空天技术研究所，北京 100074)

收稿日期:2017-02-14 修回日期:2017-02-14 上线日期:2018-05-07
作者简介:彭程（1987—），男，工程师，硕士研究生。E-mail：41906957@qq.com；
郭洋（1987—），女，工程师，硕士研究生。E-mail: 850442084@qq.com

Research on Flow Field Structure of Slender Spinning Missile under Coupling of Conical and Spinning Motions

PENG Cheng¹， GUO Yang²

(1.Haiying Aviation General Equipment Co., Ltd., Beijing 100074, China；2.Beijing Aerospace Technology Research Institute, Beijing 100074, China)

Received:2017-02-14 Revised:2017-02-14 Online:2018-05-07

摘要/Abstract

摘要： 利用刚性网格运动技术和计算流体力学数值模拟相结合的方法，分析了带鸭舵细长体锥形运动和自转运动耦合作用下的空气动力学特性。研究了带鸭舵细长体耦合运动下的气动力系数随旋转角变化情况，对相同转速、不同攻角下的鸭舵诱导涡系结构和尾翼流场结构进行了对比分析。研究结果表明：耦合运动状态下，细长体的流场结构兼顾锥形运动和自转运动的特点，但又互相干扰、相互融合，涡系发展情况更为复杂，气动力曲线呈现周期性且有规律的振荡；攻角的增加将加剧涡系结构的破坏程度，并改变尾翼附近环状压力等值线的分布形状。

关键词: 旋转导弹, 细长体, 锥形运动, 自转运动, 气动特性

Abstract: The aerodynamic characteristics of slender spinning missile with canard rudders under the coupling of conical and rotational motions are studied by using CFD numerical simulation and rigid moving grid technique. The aerodynamic coefficients of slender spinning missile are analyzed,and the changing curves of aerodynamic coefficients with spinning angle are given. The evolutionary trend of rudder-induced vortex is studied, and the tail flow fields at different times are compared. The result shows that the characteristics of conical and spinning motions are taken into account in the flow field structure of slender spinning missile, and these two kinds of motions not only interfere but also blend with each other. The evolution of vortices is more complex, and the aerodynamic curves are periodically and regularly oscillating. The destructiveness of vortex structure is aggravated with the increase in angle of attack, and the pressure around the fins is also changed. Key

Key words: spinningmissile, slenderbody, conicalmotion, spinningmotion, aerodynamiccharacteristic

中图分类号:

V211.1⁺5

彭程，郭洋. 细长体自旋与锥动耦合运动作用下的流动结构研究[J]. 兵工学报, 2018, 39(3): 519-527.

PENG Cheng， GUO Yang. Research on Flow Field Structure of Slender Spinning Missile under Coupling of Conical and Spinning Motions[J]. Acta Armamentarii, 2018, 39(3): 519-527.

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细长体自旋与锥动耦合运动作用下的流动结构研究

Research on Flow Field Structure of Slender Spinning Missile under Coupling of Conical and Spinning Motions

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