单筒多细长体航行器水下齐射载荷特性仿真

赵世平; 毕凤阳; 卢丙举; 袁绪龙; 秦丽萍

doi:10.11993/j.issn.2096-3920.2019.01.006

单筒多细长体航行器水下齐射载荷特性仿真

doi: 10.11993/j.issn.2096-3920.2019.01.006

赵世平^1,2,
毕凤阳^1,2,
卢丙举^1,2,
袁绪龙³,
秦丽萍^1,2

1.
中国船舶重工集团公司第713研究所, 河南郑州, 450015
2.
河南省水下智能装备重点实验室, 河南郑州, 450015
3.
西北工业大学航海学院, 陕西西安, 710072

详细信息

作者简介:
赵世平(1957-), 男, 研究员, 主要研究方向为水下发射技术.

中图分类号: TJ63; O35
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- 被引次数: 0
出版历程
- 收稿日期: 2018-08-10
- 修回日期: 2018-08-26
- 刊出日期: 2019-02-28

Simulation on Underwater Salvo Load Characteristics of Multi-Slender Body Vehicles in Single Launching Tube

1.
The 713 Research Institute, China Shipbuilding Industry Corporation, Zhengzhou 450015, China
2.
Henan Key Laboratory of Underwater Intelligence Equipment, Zhengzhou 450015, China
3.
School of Marine Science and Engineering, Northwestern Polytechnical University, Xi’an 710072, China

摘要

摘要: 针对单筒内密集布置多枚细长体航行器的水下齐射邻筒效应问题, 采用流体体积函数(VOF)和多相流等方法, 结合用户自定义函数(UDF)控制两发航行器运动的动网格技术, 考虑悬挂法兰、筒盖及潜艇外形等结构对筒口流场特性的影响, 建立了水下垂直齐射三维非定常多相流仿真模型，得到了邻筒水密头罩、海水倒灌水锤等载荷特性, 分析了双发齐射时首发航行器对次发航行器载荷特性的影响, 得到如下结论: 1) 首发航行器发射后筒口流场较快地趋于稳定, 次发航行器时邻筒水密头罩载荷稍小于首发航行器、规律相似, 即单筒多细长体齐射筒口流场对齐射间隔影响较小; 2) 航行器发射后发射筒内外流场较快地趋于稳定, 倒灌入发射筒内的海水量相对较少, 可能影响操艇性能; 3) 次发航行器对首发航行器的发射筒内水锤载荷特性以及流场特性均有较大影响。文中所做研究可为水下多细长体航行器密集布置结构方案论证及齐射安全性分析提供参考。
- 多细长体航行器 /
- 单筒 /
- 水下齐射 /
- 载荷特性 /
- 多相流
Abstract: In respect of the underwater salvo adjacent tube effect caused by dense arrangement of several slender body vehicles in single launching tube, the volume of fluid(VOF) and multiphase flow methods are used to establish a three-dimensional unsteady multiphase flow simulation model for underwater vertical salvo, in which the dynamic grid technology for user-defined function(UDF) to control the motion of two vehicles is adopted and the influence of suspended flange, tube cover and submarine shape on the flow field characteristics of the tube mouth is considered. Then, the load characteristics of adjacent tube watertight head cover and water back-flow hammer are obtained. The influence of first-launched vehicle on the load characteristics of second-launched vehicle is analyzed, and conclusions are drawn as follows: 1) After launching of the first-launched vehicle, the flow field at the tube mouth tends to stabilize quickly, and the load of watertight head cover of the adjacent tube is slightly smaller than that of the first-launched vehicle but with similar law when the second vehicle is launched. That is, the flow field at the tube mouth of single tube has little effect on the salvo interval; 2) After launching, the flow field of launcher tends to stabilize quickly both inside and outside, and the amount of seawater poured back into the launcher is relatively small, which may affect the steering performance of the submarine; 3) Second-launched vehicle has great influence on the characteristics of water hammer load and flow field of first-launched vehicle in launching tube. This research may provide a reference for dense arrangement scheme demonstration of underwater multi-slender vehicle and safety analysis of salvo.
- multi-slender body vehicle /
- single tube /
- underwater salvo /
- load characteristic /
- multiphase flow

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参考文献(10)

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