波浪滑翔器水下牵引机滑翔动力分析

孙秀军; 王力伟; 桑宏强

doi:10.11993/j.issn.2096-3920.2020.03.002

波浪滑翔器水下牵引机滑翔动力分析

doi: 10.11993/j.issn.2096-3920.2020.03.002

1.
河北工业大学机械工程学院, 天津, 300130
2.
中国海洋大学物理海洋教育部重点实验室, 山东青岛, 266100
3.
青岛海洋与技术试点国家实验室, 山东青岛, 266237
4.
天津工业大学机械工程学院, 天津, 300387

基金项目: 国家重点研发计划重点专项(2017YFC0305902); 青岛海洋科学与技术国家实验室“问海计划”项目(2017WHZZB 0101); 天津市自然科学基金重点基金(18JCZDJC40100)

详细信息

作者简介:
孙秀军(1981-), 男, 教授, 硕导, 主要研究方向为海洋移动观测平台技术.

中图分类号: U674.941 O353.2
计量
- 文章访问数: 304
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- 被引次数: 0
出版历程
- 收稿日期: 2019-10-11
- 修回日期: 2019-11-19
- 刊出日期: 2020-06-30

Gliding Dynamics Analysis for Underwater Tractor of Wave Glider

1.
School of Mechanical Engineering, Hebei University of Technology, Tianjin 300130, China
2.
Physical Oceanography Laboratory, Ocean University of China, Qingdao 266100, China
3.
Qingdao National Laboratory for Marine Science and Technology, Qingdao 266237, China
4.
School of Mechanical Engineering, Tianjin Polytechnic University, Tianjin 300387, China

摘要

摘要: 波浪滑翔器的纵向速度与水下牵引机结构参数有很大关系, 其中水下牵引机自重和水翼最大俯仰角对其影响尤为突出。文中以“海哨兵”波浪滑翔器为研究对象, 采用牛顿-欧拉方程建立水翼动力学模型, 对最优自重及最优角度进行计算流体力学仿真, 并将仿真结果与试验数据进行对比分析。分析结果可知, 受到多种因素的影响, 两者数据存在一定偏差, 但两者总体趋势相近, 数据显示20°俯仰角为水翼的最优俯仰角, 3级海况条件下, 45 kg的自重使得水下牵引机在下滑时间和下滑位移方面更加匹配波浪特性。文中在部分参数确定的情况下, 研究自重和俯仰角对波浪滑翔器推进效率的影响, 可为波浪滑翔器后续的参数优化和设计提供参考。
- 水下牵引机 /
- 水翼 /
- 波浪滑翔器 /
- 自重 /
- 俯仰角
Abstract: The longitudinal velocity of wave glider is closely related to the structural parameters of the underwater tractor, especially, the self-weight of the underwater tractor and the maximum pitch angle of the hydrofoil are crucial. In this study, a dynamic model of the hydrofoil of the Sea Sentry wave glider was established by using the Newton-Euler equations to simulate the optimum weight of the underwater tractor and the optimum pitch angle of the hydrofoil in computational fluid dynamics(CFD) simulation software. Furthermore, the simulation results were compared with the test data. Due to the influence of various factors, there is a certain deviation between the two kinds of data, but the general trends are similar, and the data show that 20° pitch angle is the optimal pitch angle of hydrofoil. Under the level three sea condition, the self-weight of 45 kg can make the underwater tractor more suitable for wave characteristics in terms of gliding time and gliding dis-placement. The effects of the weight and pitch angle on propulsion efficiency were studied under the condition that some parameters were fixed, which provided reference for the subsequent parameter optimization and design of wave glider.
- underwater tractor /
- hydrofoil /
- wave glider /
- self-weight /
- pitch angle

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参考文献(11)

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