研究潜艇在斜航工况下的水动力特性对潜艇操纵性的影响至关重要。本文使用雷诺平均RANS（Reynolds Average Navier-Stockes）与分离涡DES（Detached-Eddy Simulation）2种数值方法，对Joubert BB2潜艇在斜航工况下水动力性能及周围流场进行数值模拟。分析不同漂角工况下潜艇所受力、力矩及周围流场，重点关注围壳及尾舵附近流场，探寻漂角变化对潜艇受力及流场的影响。结果显示，采用DES方法计算大漂角工况时误差更小同时流场信息捕捉更加精确。研究结果表明，潜艇大漂角工况下采用DES方法能够更加准确地模拟潜艇受力及流场，同时对研究潜艇斜航状态下的流动分离现象具有一定的参考价值。
It is very important to study the influence of hydrodynamic characteristics on the maneuverability of submarine under oblique sailing condition. This paper is based on two numerical methods: Reynolds Average Navier-Stockes (RANS) and Detached Eddy Simulation (DES). The launching dynamic performance and surrounding flow field of Joubert BB2 submarine under oblique sailing condition are numerically simulated. Analyze the forces, moments, and surrounding flow field of submarines under different drift angle conditions, with a focus on the flow field near the hull and stern rudder, and explore the impact of drift angle changes on the forces and flow field of submarines. By analyzing the longitudinal force, transverse force, turning moment and the flow field around the submarine under different drift angles, especially the flow field around the hull and tail controller planes, the influence of the change of drift angle on the submarine's force and flow field is explored. The results show that the error is smaller and the information of flow field is more accurate when the DES method is used to calculate the condition of large drift angle. The results show that DES method can simulate the force and flow field of submarine more accurately under the condition of large drift angle, and has certain reference value for studying the flow separation phenomenon of submarine under the condition of inclined course.
2025,47(3): 44-49 收稿日期：2024-4-9
DOI：10.3404/j.issn.1672-7649.2025.03.008
分类号：U661.1
基金项目：国家自然科学基金资助项目（51979211）
作者简介：聂鹏(1999-),男,硕士,研究方向为船舶操纵性
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