Experimental Investigation of the Influence of Preset Rudder Angle on Tail-slapping of a Trans-media Vehicle during Water Entry

doi:10.12382/bgxb.2022.1117

Abstract

Abstract:

In order to study the influence of preset rudder angle on the tail-slapping characteristics of a trans-media vehicle during high-speed water entry, a high-speed water entry experiment platform is built. A experimental model with an internal measurement unit is designed, and the high-speed water entry experiment of the trans-media vehicle with different preset rudder angles at the water entry angle of 20° is carried out. A high-speed camera is used to record the cavity during water entry of the vehicle, and the internal measurement unit is used to measure the motion parameters and surface pressure of the vehicle. The influence of preset rudder angle on the characteristics of cavity development and water entry as well as the surface pressure of the trans-media vehicle during high-speed water entry is analyzed. The experimental results show that: during the process of water entry, the trans-media vehicle goes through the stages of planing movement and tail-slapping, and the normal overload formed by tail-slapping can be up to twice of that caused by the planing; when the water entry distance is about 5 times the length of the vehicle, the cavity closes, and the pressure in the cavity decreases first and then increases before and after the cavity closure; when the cavity is closed, the attached cavity is separated from the main cavity as the preset rudder angle increases; when the preset rudder angle is 10°, the wake flow of the cavity shows the phenomenon of double vortex tube; with the increase of the preset rudder angle, the turn-flat ability of the trans-media vehicle is enhanced, and the climbing efficiency of the vehicle is improved when single-sided tail-slapping occurs.

Key words: trans-media vehicle, preset rudder angle, tail-slapping load, planing motion

LIU Xiyan, YUAN Xulong, LUO Kai, QI Xiaobin. Experimental Investigation of the Influence of Preset Rudder Angle on Tail-slapping of a Trans-media Vehicle during Water Entry[J]. Acta Armamentarii, 2023, 44(6): 1632-1642.

Figures/Tables 15

Fig.1 Schematic of experimental setup

Fig.2 Photo of experimental site

Fig.3 Model of water entry experiment

Fig.4 Diagram of installation structure of measurement unit

Fig.5 Definition of the coordinate system

Fig.6 Cavity development during water entry

Fig.7 Comparison of cavity profiles

Fig.8 Motion characteristics of the trans-media vehicle with or without preset rudder angle

Fig.9 Diagram of force analysis of the vehicle

Table 1 Cavity development of trans-media vehicle during water entry under different preset rudder angles

Fig.10 Pressure curves of measuring points of the vehicle

Fig.11 Curves of variation of overload and angle of attack with time at different preset rudder angles

Fig.12 Variation curves of pitch angular velocity and pitch angle under different preset rudder angles

Fig.13 Velocity-time curves at different preset rudder angles

Fig.14 Motion trajectories of the vehicle’s center of mass at different preset rudder angles

References 23

[1]	王浩宇, 李木易, 程少华, 等. 航行体高速入水问题研究综述[J]. 宇航总体技术, 2021, 5(3): 65-70.
	WANG H Y, LI M Y, CHENG S H, et al. Review of vehicle’s high-speed water entry[J]. Astronautical Systems Engineering Technology, 2021, 5(3): 65-70. (in Chinese)
[2]	CAMERON P J K, ROGERS P H, DOANE J W, et al. An experiment for the study of free-flying supercavitating projectiles[J]. Journal of Fluids Engineering, 2011, 133(2): 021303.
[3]	RAND R, PRATAPR R, RAMANI D, et al. Impact dynamics of a supercavitating underwater projectile[C]//Proceedings of the 1997 ASME Design Engineering Technical Conferences. Sacramento, CA, US: ASME, 1997.
[4]	RUZZENE M, SORANNA F. Impact dynamic of elastic stiffened supercavitating underwater vehicles[J]. Journal of Vibration and Control, 2004, 10(2): 243-267. doi: 10.1177/1077546304035607 URL
[5]	RUZZENE M, KAMADA R, BOTTASSO C L, et al. Trajectory optimization strategies of supercavitating underwaters vehicles[J]. Journal of Vibration and Control, 2008, 14(5): 611-644. doi: 10.1177/1077546307076899 URL
[6]	魏英杰, 何乾坤, 王聪, 等. 超空泡射弹尾拍问题研究进展[J]. 舰船科学与技术, 2013, 35(1): 7-15.
	WEI Y J, HE Q K, WANG C, et al. Review of study on the tail-slap problems of supercavitating projectile[J]. Ship Science and Technology, 2013, 35(1): 7-15. (in Chinese)
[7]	赵成功, 王聪, 魏英杰, 等. 质心位置对超空泡射弹弹尾拍运动影响分析[J]. 北京航空航天大学学报, 2014, 40(12): 1754-1760.
	ZHAO C G, WANG C, WEI Y J, et al. Analysis of the effect of mass center position on tail-slap of supercavitating projectile[J]. Journal of Beijing University of Aeronautics and Astronautics, 2014, 40(12): 1754-1760. (in Chinese)
[8]	赵成功, 王聪, 孙铁志, 等. 初始扰动对射弹尾拍运动及运动特性影响分析[J]. 哈尔滨工业大学学报, 2016, 48(10): 71-76.
	ZHAO C G, WANG C, SUN T Z, et al. Analysis of tail-slapping and ballistics characteristics of supercavitating projectiles under different initial disturbances[J]. Journal of Harbin Institute of Technology, 2016, 48(10): 71-76. (in Chinese)
[9]	古鉴霄, 党建军, 黄闯, 等. 衡重参数对超空泡射弹有效射程的影响[J]. 兵工学报, 2022, 43(6): 1376-1386. doi: 10.12382/bgxb.2021.0319
	GU J X, DANG J J, HUANG C, et al. Influence of weight parameters on the effective range of supercavitation projectile[J]. Acta Armamentarii, 2022, 43(6): 1376-1386. (in Chinese) doi: 10.12382/bgxb.2021.0319
[10]	梁景奇, 徐保成, 王瑞, 等. 初速对高速射弹尾拍特性的影响[J]. 弹箭与制导学报, 2020, 40(2): 130-134, 139.
	LIANG J Q, XU B C, WANG R, et al. Study on the influence of initial velocity on the characteristics of high speed projectile tail-slapping[J]. Journal of Projectiles, Rockets, Missiles and Guidance, 2020, 40(2): 130-134, 139. (in Chinese)
[11]	梁景奇, 王瑞, 徐保成, 等. 攻角对高速射弹入水过程影响研究[J]. 兵器装备工程学报, 2022, 41(7): 23-28.
	LANG J Q, WANG R, XU B C, et al. Research on influence of angle of attack on process of high-speed water-entry projectile[J]. Journal of Ordnance Equipment Engineering, 2022, 41(7): 23-28. (in Chinese)
[12]	姚忠, 王瑞, 祁晓斌, 等. 初始扰动对高速射弹尾拍过程流体动力特性与弹道特性的影响[J]. 兵工学报, 2020, 41(增刊1): 46-53.
	YAO Z, WANG R, QI X B, et al. The influence of initial disturbance on the hydrodynamic and ballistic characteristics of high-speed projectile during tail slapping[J]. Acta Armamentarii, 2020, 41(S1): 46-53. (in Chinese)
[13]	王晓辉, 李鹏, 孙士明, 等. 射弹高速入水尾拍载荷和弹道特性的数值研究[J]. 船舶力学, 2022, 26(8): 1111-1119.
	WANG X H, LI P, SUN S M, et al. Numerical study on hydrodynamic and ballistic characteristics of projectile’s high-speed water-entry process[J]. Journal of Ship Mechanics, 2022, 26(8): 1111-1119. (in Chinese)
[14]	王云, 袁绪龙, 吕策, 等. 弹体高速入水弯曲弹道实验研究[J]. 兵工学报, 2014, 35(12): 1998-2002. doi: 10.3969/j.issn.1000-1093.2014.12.010
	WANG Y, YUAN X L, LÜ C, et al. Experimental research on curved trajectory of high-speed water-entry missile[J]. Acta Armamentarii, 2014, 35(12): 1998-2002. (in Chinese) doi: 10.3969/j.issn.1000-1093.2014.12.010
[15]	邵志宇, 伍思宇, 曹苗苗, 等. 斜截头弹体入水的弹道特性[J]. 兵工学报, 2022, 43(6): 1255-1265. doi: 10.12382/bgxb.2021.0301
	SHAO Z Y, WU S Y, CAO M M, et al. Water-entry trajectory of truncated cone-shaped projectile[J]. Acta Armamentarii, 2022, 43(6): 1255-1265. (in Chinese) doi: 10.12382/bgxb.2021.0301
[16]	华扬, 施瑶, 潘光, 等. 非对称头型航行器入水空泡形态与弹道特性的实验研究[J]. 西北工业大学学报, 2021, 39(6): 1249-1258.
	HUA Y, SHI Y, PAN G, et al. Experimental study on water-entry cavity and trajectory of vehicle with asymmetric nose shape[J]. Journal of Northwestern Polytechnical University, 2021, 39(6): 1249-1258. (in Chinese) doi: 10.1051/jnwpu/20213961249 URL
[17]	陈诚, 袁绪龙, 邢晓琳, 等. 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. doi: 10.3969/j.issn.1000-1093.2018.09.015
	CHEN C, YUAN X L, XING X L, et al. Research on the trajectory characteristics of supercavitating vehicle obliquely entering into water at preset rudder angle[J]. Acta Armamentarii, 2018, 39(9): 1780-1785. (in Chinese) doi: 10.3969/j.issn.1000-1093.2018.09.015
[18]	时素果, 王亚东, 刘乐华, 等. 预置舵角下超空泡航行体运动过程弹道特性研究[J]. 兵工学报, 2017, 38(10): 1974-1979. doi: 10.3969/j.issn.1000-1093.2017.10.013
	SHI S G, WANG Y D, LIU L H, et al. Research on the trajectory characteristics of supercavitating vehicle at preset rudder angle[J]. Acta Armamentarii, 2017, 38(10): 1974-1979. (in Chinese)
[19]	刘如石, 郭则庆, 张辉. 尾部形状对超空泡射弹尾拍运动影响的数值研究[J/OL]. 兵工学报, 2022 (2022-11-02). https://doi.org/10.12382/bgxb.2022.0689.
	LIU R S, GUO Z Q, ZHANG H. Numerical simulation on the influence of tail shapes on the tail-slap of supercavitating projectiles[J/OL]. Acta Armamentarii, 2022 (2022-11-02). https://doi.org/10.12382/bgxb.2022.0689. in Chinese)
[20]	袁绪龙, 栗敏, 丁旭拓, 等. 跨介质航行器高速入水冲击载荷特性[J]. 兵工学报, 2021, 42(7): 1440-1449.
	YUAN X L, LI M, DING X T, et al. Impact load characteristics of a trans-media vehicle during high-speed water-entry[J]. Acta Armamentarii, 2021, 42(7): 1440-1449. (in Chinese) doi: 10.3969/j.issn.1000-1093.2021.07.011
[21]	赵成功, 王聪, 魏英杰, 等. 细长体水下运动空化流场及弹道特性实验[J]. 爆炸与冲击, 2017, 37(3): 439-446.
	ZHAO C G, WANG C, WEI Y J, et al. Experiment of cavitation and ballistic characteristics of slender body underwater movement[J]. Explosion and Shock Waves, 2017, 37(3): 439-446. (in Chinese)
[22]	刘喜燕, 罗凯, 袁绪龙, 等. 扩张尾裙对跨介质航行器高速入水转平弹道特性影响[J]. 力学学报, 2023, 55(2): 343-354.
	LIU X Y, LUO K, YUAN X L, et al. Influence of expansion sterns on the flatting trajectory characteristics of a trans-media vehicle during high speed water entry[J]. Chinese Journal of Theoretical and Applied Mechanics, 2023, 55(2): 343-354. (in Chinese)
[23]	王威, 王聪, 李聪慧, 等. 航行体沾湿区域对空泡尾流结构的影响[J]. 兵工学报, 2019, 40(10): 2111-2118. doi: 10.3969/j.issn.1000-1093.2019.10.017
	WANG W, WANG C, LI C H, et al. The influence of wetted area of vehicle on the wake structure of cavity[J]. Acta Armamentarii, 2019, 40(10): 2111-2118. (in Chinese) doi: 10.3969/j.issn.1000-1093.2019.10.017