为了提高水下滑翔机在洋流冲击下的横向静稳定性，以一定经济性为前提，借助数值模拟方法分析下潜及上浮2个状态下水翼后掠角及垂尾展弦比对横向静态航行性能的影响，从而优化水动力参数。结果表明，一定范围内增加水翼后掠角对水下滑翔机不同滑翔状态下的横向静稳定性均产生了积极作用，而增加垂尾展弦比对不同滑翔状态下的横向静稳定性影响具有双重性。该研究方法的提出为水下滑翔机在不同工况下航行的水动力参数设计提供了理论依据。
In order to improve the lateral static stability of underwater glider under ocean current, premised on certain gliding efficiency, numerical simulation method is used to analyze the influence of hydrofoil swept angle and vertical tail aspect-ratio on lateral static navigation performance under conditions of diving and floating, thereby optimizing hydrodynamic parameters. The results show that increasing the hydrofoil swept angle in a certain range has a positive effect on the lateral static stability of underwater glider in different gliding conditions, and increasing the vertical tail aspect-ratio has a dual effect on the lateral static stability in different gliding conditions. The method provides a theoretical basis for the design of hydrodynamic parameters of underwater glider sailing under different working conditions.
2021,43(8): 68-76 收稿日期：2020-07-03
DOI：10.3404/j.issn.1672-7649.2021.08.014
分类号：U674.941
基金项目：国家重点研发计划(2016YFC0301100); 国家重点研发计划(2016YFC0301102)
作者简介：孙伟成(1987-),男,博士研究生,主要从事水下机器人技术研究
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