Interior Ballistics Modeling and Optimization of One-side Ejection Device with Two-step Cylinder

被引：0
|
作者：
Yao L. [1 ]
Ma D.-W. [1 ]
Ma W.-N. [1 ]
Ren J. [1 ]
Zhong J.-L. [1 ]
Wang Z.-L. [1 ]
机构：
[1] School of Mechanical Engineering, Nanjing University of Science and Technology, Nanjing, 210094, Jiangsu
来源：
Ma, Da-Wei (ma-dawei@mail.njust.edu.cn) | 1600年 / China Ordnance Industry Corporation卷 / 38期
关键词：
Missile cold launching; One-side ejection device; Optimal design; Ordnance science and technology; Real gas effect; Two-step cylinder;
D O I：
10.3969/j.issn.1000-1093.2017.03.008
中图分类号：
学科分类号：
摘要：
A kind of one-side ejection device with two-step cylinder is proposed to increase the effective thrust travel of missile pneumatic launching system. The real gas state equation, Peng-Robinson equation, is used as theoretical basis. The mathematical expressions of pneumatic interior ballistics model are deduced on the basis of 'P-R' state equation for the two-step cylinder. The interior ballistics equation is solved by using Simulink software, and the one-side launching ejection is built by means of ADAMS. The co-simulation model of device is achieved. The results show that the pressure of first-order lower-chamber rises first and then falls. It can be seen from the calculated result that both the thermodynamic parameters and the missile acceleration obviously fluctuate in the process of cylinder changing, but their influences on missile speed and displacement are very small. To reduce the equipment volume, the air source volume is selected as the objective function. The air source volume optimized by genetic algorithm is decreased by 64.5%, thus improving greatly the mobility of launcher. © 2017, Editorial Board of Acta Armamentarii. All right reserved.
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收藏
页码：466 / 475
页数：9
相关论文
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