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论文:2012,Vol:30,Issue(1):94-101 |
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引用本文： |
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宋保维, 朱信尧, 单志雄, 王鹏. UUV海底定点停驻受力特性及稳定性分析[J]. 西北工业大学 |
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Song Baowei, Zhu Xinyao, Shan Zhixiong, Wang Peng. Hydrodynamic Characteristics and Stability Analysis of UUV (Unmanned Underwater Vehicle) Parking on the Seabed[J]. Northwestern polytechnical university |
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| UUV海底定点停驻受力特性及稳定性分析 |
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| 宋保维1, 朱信尧1, 单志雄2, 王鹏1 |
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1. 西北工业大学 航海学院,陕西 西安 710072;
2. 中国船舶重工集团公司第705研究所,陕西 西安 710075 |
| 摘要: |
| 在简单介绍海底定点停驻UUV概念及工作过程的基础上,建立了其在海底时的稳定性分析模型,并推导出了航行器负浮力、主轴与两支撑点之间的半角θ、流体动力Fx、Fy之间的关系。为了研究航行器在海底时的流体动力特性,采用AnsysICEM对其离海底不同距离及海底有不同倾角时的情况进行结构化的网格划分,并应用CFX软件对其在不同水流速度下的外围流场进行数值仿真,得到了其在海底时所受侧向力、升力随距海底的距离、海水流速及海底倾角的变化趋势。最后,对航行器在海底时的稳定性进行了分析并得到了一组能够保证航行器海底稳定的较好参数。 |
| 关键词:
无人水下航行器
海底定点停驻
水动力特性
稳定性
CFX数值模拟
结构化网格
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| Hydrodynamic Characteristics and Stability Analysis of UUV (Unmanned Underwater Vehicle) Parking on the Seabed |
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| Song Baowei1, Zhu Xinyao1, Shan Zhixiong2, Wang Peng1 |
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1. College of Marine Engineering, Northwestern Polytechnical University, Xi'an 710072, China;
2. The 705 Research Institute, China Shipbuilding Industry Corporation, Xi'an 710075, China |
| Abstract: |
| UUV is playing a more and more important role in the world.A UUV that can park on the seabed hasbeen designed in Northwestern Polytechnical University.This UUV can monitor the sea environment for a long timewithout adjusting its attitude.In order to ensure that this UUV can work normally,the stability of it when workingon the seabed needs to be analyzed.In the full paper,we explain the stability analysis model of the UUV and thehydrodynamic forces on it in detail.In this abstract,we just add some pertinent remarks to listing the two topics ofexplanation.The first topic is the stability analysis model.In the first topic,the forces on the UUV were shown inFig.1 and the stability analysis model was defined.The second topic is the hydrodynamic forces on the UUV whenparking on the seabed and it is covered in sections 2, 3 and 4.In the second topic,structured grids of the UUV aremeshed using ICEM commercial software and the flow field around it is simulated using CFX commercial software.Section 2 describes the numerical method and boundary conditions of simulation.Simulation conditions are shown byTable 2 and the method of how to get a high quality structured grid is introduced in section 3.In section 4,simula-tion results of the forces on the UUV with different distances from the seabed,different velocities and different ob-lique angles are summarized in Figs.5 through 10.Finally,the stability of the UUV parking on the seabed is ana-lyzed and a group of parameters that can ensure the UUV working stably on the seabed is given in the very last para-graph of subsection 4.4. |
| Key words:
analysis
autonomous underwater vehicles
boundary conditions
calculations
computational fluid dy-namics
computational geometry
design
hydrodynamics
models
monitoring
Navier Stokes equa-tions
numerical methods
parameter estimation
simulation
stability
CFX simulation
hydrodynamiccharacteristics
parking on the seabed
structured grids
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| 收稿日期: 2011-04-02
修回日期:
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| DOI: |
| 基金项目: 国家自然科学基金(51179159)；西北工业大学研究生创业种子基金(Z2010004)资助 |
| 通讯作者:
Email： |
| 作者简介: 宋保维(1963-),西北工业大学教授、博士生导师,主要从事水下航行器总体设计及水下特种减阻降噪技术的研究。
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