弹射式水下航行器发射装置发射筒内径对内弹道的影响

马 辉

doi:10.11993/j.issn.1673-1948.2016.05.015

弹射式水下航行器发射装置发射筒内径对内弹道的影响

doi: 10.11993/j.issn.1673-1948.2016.05.015

马辉

中国船舶重工集团公司第726研究所, 上海, 201108

详细信息

作者简介:
马辉(1978-), 女, 工程师, 主要从事水下总体技术及流体计算.

中图分类号: TJ635; O315
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- 文章访问数: 649
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- 被引次数: 0
出版历程
- 收稿日期: 2016-07-28
- 修回日期: 2016-08-25
- 刊出日期: 2016-10-20

Influence of Tube′s Inner Diameter on Interior Trajectory for Underwater Vehicle Ejection Launcher

MA Hui

The 726 Research Institute, China Shipbuilding Industry Corporation, Shanghai 201108, China

摘要

摘要: 为兼顾水下航行器发射装置发射效率与装置尺寸, 应设计合理的发射筒内径。文中基于多对多交界面技术, 解决了带孔壁面间无间隙滑移的仿真难题, 建立了耦合求解非定常流场和航行器、活塞运动的数值仿真模型。通过在Fluent软件中的二次开发实现了弹射式水下航行器发射内弹道仿真, 并对不同发射筒内径的发射装置计算流场以及运动时历曲线进行分析。仿真结果表明, 水下航行器发射装置发射筒内径在一定范围内对发射效率影响呈显著正相关, 随着发射筒内径增加, 其影响逐渐减弱, 且出筒效率趋于稳定。基于多对多交界面技术的水下航行器发射仿真是可靠的, 可为弹射式水下发射装置设计提供参考。
- 水下航行器发射装置 /
- 弹射式 /
- 内弹道 /
- 多对多交界面技术
Abstract: To balance launch efficiency and size of an underwater vehicle launcher and design proper inner diameter of the launching tube, the many-to-many interface scheme is adopt to overcome the simulation difficulty of gapless slipping between the walls with holes, and a simulation model for solving coupled unsteady flow field, piston and vehicle movement is built. Interior trajectory simulation with different tube′s inner diameters is accomplished by secondary development in software Fluent, and the calculated flow fields as well as the movement time history curve are analyzed. Simulation results reveal that the inner diameter of the tube shows obviously positive correlation with the launching efficiency within a certain scope, while the influence of the inner diameter gradually weakens as the inner diameter increases, and finally the out-tube efficiency tends to be stable. It is concluded that the simulation of underwater vehicle launcher based on many-to-many scheme is reliable, and may be applied to design of underwater vehicle ejection launcher.
- underwater vehicle launcher /
- ejection mode /
- interior trajectory /
- many-to-many interface scheme

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参考文献(10)

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