预置舵角下超空泡航行体倾斜入水弹道特性研究

doi:10.3969/j.issn.1000-1093.2018.09.015

兵工学报 ›› 2018, Vol. 39 ›› Issue (9): 1780-1785.doi: 10.3969/j.issn.1000-1093.2018.09.015

预置舵角下超空泡航行体倾斜入水弹道特性研究

陈诚，袁绪龙，邢晓琳，党建军

(西北工业大学航海学院，陕西西安 710072)

收稿日期:2018-01-17 修回日期:2018-01-17 上线日期:2018-10-25
通讯作者: 袁绪龙（1977—），男，副教授，硕士生导师 E-mail:yuanxulong@nwpu.edu.cn
作者简介:陈诚（1990—），男，博士研究生。E-mail：chencheng1990@mail.nwpu.edu.cn
基金资助:
装备预先研究基金项目(9140A13050215HK03015)

Research on the Trajectory Characteristics of Supercavitating Vehicle Obliquely Entering into Water at Preset Rudder Angle

CHEN Cheng， YUAN Xu-long， XING Xiao-lin， DANG Jian-jun

(School of Marine Science and Technology, Northwestern Polytechnical University, Xi'an 710072, Shaanxi, China)

Received:2018-01-17 Revised:2018-01-17 Online:2018-10-25

摘要/Abstract

摘要： 为了研究预置舵角下超空泡航行体倾斜入水弹道特性，开展了入水角为20°时的试验研究。超空泡航行体由空气炮加速获得入水初速度，采用高速摄像机记录入水空泡流型，同时由内测系统记录航行体的运动参数和尾部压力变化。对预置舵角为0°和20°时的试验结果进行对比分析，给出了预置舵角下航行体倾斜入水弹道特性，并进一步研究了不同预置舵角对弹道的影响。试验结果表明：预置舵角为0°时航行体以超空泡状态沿直线运动；预置舵角为20°时出现显著的尾拍现象，轴向力和法向力增大，弹道特征体现为偏向水面弯曲，航行体最终以双空泡状态航行，弹道偏转趋势提升；增大预置舵角有助于增强航行体的弹道偏转能力。

关键词: 超空泡航行体, 预置舵角, 入水试验, 弹道, 尾拍

Abstract: A series of experiments of supercavitating vehicle at the entry angle of 20° are carried out to investigate the trajectory characteristics of supercavitating vehicle at preset rudder angle during oblique water-entry. An air cannon is set up to provide the initial velocity of supercavitating vehicle. The flow pattern in water-entry cavity is captured by using a high-speed video camera, and the variations of the motion parameters and tail pressure are recorded by using a built-in measuring system. The experimental results of supercavitating vehicle navigating at the preset rudder angles of 0° and 20° are analyzed in detail, and the water-entry trajectory characteristics of supercavitating vehicle are given. The influences of different preset rudder angles on the trajectory are further studied. The experimental results show that the vehicle moves along a straight line in a supercavitation state when the preset rudder angle is 0°; a remarkable tail-slapping phenomenon arises, and the axial force and the normal force increase when the preset rudder angle is 20°, thus causing the trajectory to bend to the surface of the water. The vehicle eventually navigates in the state of double-cavity, with enhancing the trajectory deflection. Increasing the preset rudder angle can improve the deflection ability of the vehicle. Key

Key words: supercavitatingvehicle, presetrudderangle, water-entryexperiment, trajectory, tail-slapping

中图分类号:

TJ630.1

陈诚，袁绪龙，邢晓琳，党建军. 预置舵角下超空泡航行体倾斜入水弹道特性研究[J]. 兵工学报, 2018, 39(9): 1780-1785.

CHEN Cheng， YUAN Xu-long， XING Xiao-lin， DANG Jian-jun. Research on the Trajectory Characteristics of Supercavitating Vehicle Obliquely Entering into Water at Preset Rudder Angle[J]. Acta Armamentarii, 2018, 39(9): 1780-1785.

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第39卷
第9期2018 年9月兵工学报ACTA
ARMAMENTARIIVol.39No.9Sep.2018

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预置舵角下超空泡航行体倾斜入水弹道特性研究

Research on the Trajectory Characteristics of Supercavitating Vehicle Obliquely Entering into Water at Preset Rudder Angle

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