水下垂直发射燃气后效对筒盖系统的影响研究

doi:10.3969/j.issn.1000-1093.2017.11.014

兵工学报 ›› 2017, Vol. 38 ›› Issue (11): 2184-2189.doi: 10.3969/j.issn.1000-1093.2017.11.014

水下垂直发射燃气后效对筒盖系统的影响研究

祁晓斌¹，王瑞¹，袁绪龙²，曹中臣¹，刘传龙³

（1.西北机电工程研究所，陕西咸阳 712099； 2.西北工业大学航海学院，陕西西安 710072；3.中国舰船研究设计中心，湖北武汉 430064）

收稿日期:2017-04-07 修回日期:2017-04-07 上线日期:2018-01-03
作者简介:祁晓斌（1988—），男，工程师。E-mail：15829531983@163.com

Research on the Gas Aftereffect and Its Influence on Launch Tube Cover During Underwater Vertical Launching

QI Xiao-bin¹, WANG Rui¹, YUAN Xu-long², CAO Zhong-chen¹, LIU Chuan-long³

(1.Northwest Institute of Mechanical and Electrical Engineering, Xianyang 712099，Shaanxi，China; 2.School of Marine Science and Technology, Northwestern Polytechnical University, Xi'an 710072, Shaanxi, China; 3.China Ship Development and Design Center, Wuhan 430064, Hubei, China）

Received:2017-04-07 Revised:2017-04-07 Online:2018-01-03

摘要/Abstract

摘要： 在蒸汽-燃气弹射式水下垂直发射过程中，当弹尾离开发射筒时，燃气在筒内余压作用下瞬间溢出，与海水掺混，形成的筒口燃气泡。燃气泡周期性的膨胀-收缩引起筒盖的运动，会给筒盖系统的安全性带来隐患。基于计算流体动力学CFD软件中的Fluent软件包，采用动网格技术和Mixture模型对导弹离筒过程燃气后效及其对具有柔性支撑筒盖系统的影响进行了数值模拟。研究了筒口气泡膨胀-收缩的周期性过程，获得了出筒过程中，筒盖的运动规律和受载特性。仿真结果表明，筒盖特征测点压力值与试验测量结果吻合度较高，验证了该研究方法的有效性，为筒盖系统的设计和安全性评估提供了研究方法。

关键词: 兵器科学与技术, 水下垂直发射, 燃气后效, 柔性支撑, 动网格技术

Abstract: When a submarine launched missile is ejected from the launch tube with a gas-steam ejection system, the gas in the launch tube is overflowing under the action of residual pressure in launch tube, and then interacts with seawater to generate the bubbles at the outlet of launch tube. The periodic fluctuation of gas bubble enables the cover to move, which causes the safety issue of the launch tube cover system. Base on CFD software Fluent, dynamic mesh method and Mixture model are used to simulate the evolution process of gas bubble and its effect on the launch tube cover system with flexible-support. The movement law and load characteristics of the launch tube cover are obtained by studying the periodic expansion and contraction process of the bubble at the outlet of launch tube. The simulated result shows that the simulated data agrees with the experimental data, which verifies the validity of the proposed method. Key

Key words: ordnancescienceandtechnology, underwaterverticallaunching, gasaftereffect, flexible-support, dynamicmeshmethod

中图分类号:

TJ762.4⁺1

祁晓斌，王瑞，袁绪龙，曹中臣，刘传龙. 水下垂直发射燃气后效对筒盖系统的影响研究[J]. 兵工学报, 2017, 38(11): 2184-2189.

QI Xiao-bin, WANG Rui, YUAN Xu-long, CAO Zhong-chen, LIU Chuan-long. Research on the Gas Aftereffect and Its Influence on Launch Tube Cover During Underwater Vertical Launching[J]. Acta Armamentarii, 2017, 38(11): 2184-2189.

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水下垂直发射燃气后效对筒盖系统的影响研究

Research on the Gas Aftereffect and Its Influence on Launch Tube Cover During Underwater Vertical Launching

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