上海交通大学学报

上海交通大学学报（自然版） ›› 2012, Vol. 46 ›› Issue (04): 573-578.

• 自动化技术、计算机技术 • 上一篇    下一篇

海底定点停驻无人水下航行器流体动力特性分析

朱信尧1，宋保维1，单志雄2，王鹏1   

  1. （1. 西北工业大学 航海学院， 西安 710072； 2. 中国船舶重工集团公司 第705研究所， 西安 710075）
  • 收稿日期:2011-04-23 出版日期:2012-04-28 发布日期:2012-04-28
  • 基金资助:

    国家自然科学基金资助项目（51179159），西北工业大学研究生创业种子基金项目资助（Z2010004）

Hydrodynamic Characteristics Analysis of UUV Parking on the Seabed

 ZHU  Xin-Yao-1, SONG  Bao-Wei-1, DAN  Zhi-Xiong-2, WANG  Peng-1   

  1. (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)
  • Received:2011-04-23 Online:2012-04-28 Published:2012-04-28

摘要： 在介绍海底定点停驻无人水下航行器（UUV）概念及工作过程的基础上，为了研究UUV上浮及下潜时大攻角下的流体动力特性以及辅推和支撑机构对流体动力特性的影响，采用计算流体力学（CFD）的方法，用Ansys ICEM对无辅推无支撑机构UUV、只有支撑机构的UUV、有辅推有支撑机构3种航行器外围流场进行结构化的网格划分，并利用软件CFX对3种模型的攻角从-90°变化到90°时93种工况下的流场进行了数值模拟，得到了各工况下航行器的阻力、升力及俯仰力矩数值.最后，对计算结果进行了汇总及分析，得到了3种UUV的阻力系数、升力系数及俯仰力矩系数随攻角的变化曲线，并分析了UUV的阻力、升力、俯仰力矩特性以及辅推、支撑机构对航行器的流体动力特性的影响.

关键词: 无人水下航行器, 海底停驻, 水动力特性, 数值仿真, 结构化网格, 辅助推进器, 支撑机构

Abstract:  Based on the introduction of the conception and working process of unmanned under water vehicle(UUV) parking on the seabed, in order to study the hydrodynamic forces of UUV changing with attack angle and the impact of assistantthrusters and supporting structures on hydrodynamic forces, this paper meshed structured grid using Ansys ICEM and simulated the flow field using CFX of three different kinds of UUV, the UUV without supporting structure and assistantthruster, the UUV with only supporting structures and the UUV with assistantthrusters and supporting structures. The paper also simulated the situations of attack angle changing from -90 to 90 degrees and obtained the results of drags, lifts and pitching moments at each situation. Then the results were summarized and the curves of drag coefficient, lift coefficient and pitching moment coefficient were drawn. Finally, the hydrodynamic characteristic of the UUV and the impact of assistantthrusters and supporting structures on hydrodynamic forces were analyzed.
Key words：

Key words: unmanned underwater vehicle（UUV）, parking on the seabed, hydrodynamic characteristics, CFX numerical simulation, structured grid, assistant-thrusters, supporting structures

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