[1]常思江,王中原,史金光,等.基于偏流调节的横向弹道修正方案有效性分析[J].南京理工大学学报(自然科学版),2013,37(04):573.
 Chang Sijiang,Wang Zhongyuan,Shi Jinguang,et al.Effectiveness analysis for lateral trajectory correction mechanism based on ballistic drift control[J].Journal of Nanjing University of Science and Technology,2013,37(04):573.
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基于偏流调节的横向弹道修正方案有效性分析
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《南京理工大学学报》(自然科学版)[ISSN:1005-9830/CN:32-1397/N]

卷:
37卷
期数:
2013年04期
页码:
573
栏目:
出版日期:
2013-08-31

文章信息/Info

Title:
Effectiveness analysis for lateral trajectory correction mechanism based on ballistic drift control
作者:
常思江1王中原1史金光1刘铁铮2
1.南京理工大学 能源与动力工程学院,江苏 南京 210094; 2.中国兵器科学研究院 军贸装备发展部,北京 100089
Author(s):
Chang Sijiang1Wang Zhongyuan1Shi Jinguang1Liu Tiezheng2
1.School of Energy and Power Engineering,NUST,Nanjing 210094,China; 2.Department of Military Equipment Development,Ordnance Science Institute of China,Beijing 100089,China
关键词:
外弹道学 旋转稳定弹 横向弹道 偏流 阻尼片 弹道修正
Keywords:
exterior ballistics spin-stabilized projectiles lateral trajectory ballistic drift spin brakes trajectory correction
分类号:
TJ012.3
文献标志码:
A
摘要:
为了对旋转稳定炮弹的横向弹道进行修正,讨论了一种采用阻尼片机构进行偏流调节的横向弹道修正方案。阐述了该方案的原理及应用过程,给出了方案有效性的判别式及二维弹道修正计算模型。以某二维弹道修正弹为例,通过理论分析及数值计算,定量和定性地分析了弹丸射角、阻尼片张开时刻以及阻尼片机构脱落子方案对横向修正方案有效性的影响。结果表明,该方案不宜用于小射角射击条件; 横向修正启控点应设计在弹道升弧段; 采用阻尼片机构脱落子方案对弹丸的稳定飞行较为有利。
Abstract:
To correct the lateral trajectory for spin-stabilized projectiles,a scheme for lateral trajectory correction by using spin brake to control the ballistic drift is discussed.The principle and application process of this scheme are introduced.The effectiveness criterion for lateral trajectory correction and two-dimensional trajectory correction model are given.Taking a type of two-dimensional trajectory correction projectile as an example,the effect of elevation angle,the time for unfolding the spin brake and the sub-scheme for discarding the spin brake on effectiveness of the scheme are investigated through theoretical analysis and numerical calculation respectively.The results indicate that this correction scheme cannot be applied to the condition of low elevation angle fire and the starting control point for lateral trajectory correction should be designed during the up leg of trajectory.The sub-scheme for discarding the spin brake is very beneficial to the flight stability of the projectile.

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期:2011-10-11 修回日期:2012-03-28
基金项目:中国博士后科学基金(20100471761)
作者简介:常思江(1983-),男,博士,讲师,主要研究方向:弹箭飞行控制技术、外弹道仿真设计,E-mail:ballistics@126.com。
更新日期/Last Update: 2013-08-31