气动偏心角对非对称翼末敏弹扫描运动的影响规律研究

doi:10.3969/j.issn.1000-1093.2015.04.010

兵工学报 ›› 2015, Vol. 36 ›› Issue (4): 637-643.doi: 10.3969/j.issn.1000-1093.2015.04.010

气动偏心角对非对称翼末敏弹扫描运动的影响规律研究

舒敬荣¹，常思江²，杨海波¹，张婷¹

(1.陆军军官学院二系，安徽合肥 230031； 2.南京理工大学能源与动力工程学院，江苏南京 210094)

收稿日期:2014-04-17 修回日期:2014-04-17 上线日期:2015-06-02
通讯作者: 舒敬荣 E-mail:shujr1974@126.com〖ZK)〗〖HT〗〖HJ〗〖HK〗〖FQ)〗
作者简介:舒敬荣(1974—)，男，副教授，博士
基金资助:
国家自然科学基金项目（11272356）；中国博士后科学基金项目（2012M521842）

Research on the Effect of Pneumatic Eccentric Angle on Scanning Motion of Asymmetric-fin Terminal Sensitive Ammunition

SHU Jing-rong¹, CHANG Si-jiang², YANG Hai-bo¹, ZHANG Ting¹

（1.Department 2, Army Officer Academy, Hefei 230031, Anhui, China；2.School of Energy and Power Engineering, Nanjing University of Science and Technology, Nanjing 210094, Jiangsu, China）

Received:2014-04-17 Revised:2014-04-17 Online:2015-06-02
Contact: SHU Jing-rong E-mail:shujr1974@126.com〖ZK)〗〖HT〗〖HJ〗〖HK〗〖FQ)〗

摘要/Abstract

摘要： 针对非对称尾翼末敏弹的结构特点，建立适合力学分析的坐标系，分析考虑气动偏心角和大攻角非线性时的力和力矩模型，推导出六自由度运动微分方程组。以某非对称末敏弹结构为例进行数值仿真计算，计算结果与实验数据相吻合，表明：与非对称翼展开方向一致的气动偏心角能够诱导弹体产生稳定螺旋扫描运动，且扫描角必定与气动偏心角共面，扫描转速随气动偏心角的增大而减小，扫描角随气动偏心角的增大而增大，且大致成线性关系，为非对称翼末敏弹的结构设计和气动设计提供了理论参考。

关键词: 兵器科学与技术, 末敏弹, 非对称翼, 气动偏心角, 稳态扫描, 大攻角, 空气动力非对称

Abstract: A coordinate system for mechanics analysis is established based on the structural features of the asymmetric-fin terminal sensitive ammunition. The force and moment models are analyzed with consideration of pneumatic eccentric angle and large angle of attack asymmetries, and the 6D differential equation set of motion is deduced. The simulation calculation is performed according to the structure of a certain asymmetric terminal sensitive projectile. The calculated result shows that the pneumatic eccentric angle which is in the same plane as the wingspan direction can induce stable spiral scanning motion, and the scanning angle must be in the same plane as the pneumatic eccentric angle. The result also shows that the scanning rolling speed decreases but the scanning angle increases linearly as the pneumatic eccentric angle increases.

Key words: ordnance science and technology, terminal sensitive ammunition, asymmetric fin, pneumatic eccentric angle, stable scanning, large angle of attack, aerodynamic asymmetry

中图分类号:

舒敬荣，常思江，杨海波，张婷. 气动偏心角对非对称翼末敏弹扫描运动的影响规律研究[J]. 兵工学报, 2015, 36(4): 637-643.

SHU Jing-rong, CHANG Si-jiang, YANG Hai-bo, ZHANG Ting. Research on the Effect of Pneumatic Eccentric Angle on Scanning Motion of Asymmetric-fin Terminal Sensitive Ammunition[J]. Acta Armamentarii, 2015, 36(4): 637-643.

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气动偏心角对非对称翼末敏弹扫描运动的影响规律研究

Research on the Effect of Pneumatic Eccentric Angle on Scanning Motion of Asymmetric-fin Terminal Sensitive Ammunition

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