水下航行体俯仰运动微气泡减阻特性试验研究

doi:10.3969/j.issn.1000-1093.2019.09.015

兵工学报 ›› 2019, Vol. 40 ›› Issue (9): 1902-1910.doi: 10.3969/j.issn.1000-1093.2019.09.015

水下航行体俯仰运动微气泡减阻特性试验研究

宋武超^1,2，王聪¹，魏英杰¹，许昊¹，卢佳兴¹

（1.哈尔滨工业大学航天学院，黑龙江哈尔滨 150001; 2.湖北航天技术研究院总体设计所，湖北武汉 430040）

收稿日期:2018-11-13 修回日期:2018-11-13 上线日期:2019-10-31
通讯作者: 王聪（1966—），男，教授，博士生导师 E-mail:alanwang@hit.edu.cn
作者简介:宋武超（1990—），男，博士研究生。 E-mail: 15B918022@hit.edu.cn
基金资助:
国家自然科学基金项目（11672094）

Experimental Research on Drag Reduction Characteristics of Underwater Vehicle during Pitching

SONG Wuchao^1,2, WANG Cong¹, WEI Yingjie¹, XU Hao¹, LU Jiaxing¹

(1.School of Astronautics， Harbin Institute of Technology，Harbin 150001，Heilongjiang，China;2.System Design Institute of Hubei Aerospace Technology Academy, Wuhan 430040, Hubei, China)

Received:2018-11-13 Revised:2018-11-13 Online:2019-10-31

摘要/Abstract

摘要： 为研究水下航行体俯仰运动过程中微气泡流形态及减阻特性的变化规律，利用自主设计的驱动装置、高速摄像系统和测力系统，开展水下航行体俯仰运动微气泡减阻特性试验研究。试验过程中，基于自主设计的驱动装置，实现航行体绕其头部按正弦规律作俯仰运动。研究结果表明：当体积流量系数较小时，水下航行体运动过程中离散的微气泡始终均匀分布在航行体表面；水下航行体俯仰运动过程中，轴向力系数、法向力系数、阻力系数和升力系数的变化规律类似，均呈正弦变化规律，且其变化周期与攻角变化周期基本同步；对于不同体积流量系数下俯仰运动的航行体，随着攻角的增加，其阻力系数均呈近似线性增加规律，减阻率呈逐渐线性减小规律。

关键词: 水下航行体, 水下减阻, 俯仰运动, 微气泡, 水洞实验

Abstract: The microbubble drag reduction of underwater vehicle is researched using a self-designed driving device, a high speed camera and a six-component force balance for studying the characteristics of microbubble flow and microbubble drag reduction during the pitching movement of underwater vehicle. The results show that the discrete microbubbles are uniformly distributed on the surface of the underwater vehicle at low air injection rate. During the pitching movement of an underwater vehicle, the axial force coefficient, lateral force coefficient, drag coefficient and lift coefficient are all sinusoidal, and the change period is basically synchronized with the period of the angle of attack. The drag coefficient of vehicle at various air injection rates increases approximately linearly with the increase in the angle of attack, and the drag reduction rate decreases linearly with the increase in the angle of attack. Key

Key words: underwatervehicle, underwaterdragreduction, pitchingmovement, microbubble, watertunnelexperiment

中图分类号:

宋武超，王聪，魏英杰，许昊，卢佳兴. 水下航行体俯仰运动微气泡减阻特性试验研究[J]. 兵工学报, 2019, 40(9): 1902-1910.

SONG Wuchao, WANG Cong, WEI Yingjie, XU Hao, LU Jiaxing. Experimental Research on Drag Reduction Characteristics of Underwater Vehicle during Pitching[J]. Acta Armamentarii, 2019, 40(9): 1902-1910.

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水下航行体俯仰运动微气泡减阻特性试验研究

Experimental Research on Drag Reduction Characteristics of Underwater Vehicle during Pitching

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