激光雷迪尔级帆船水动力特性试验与数值计算研究  

Experimental and Numerical Study on the Hydrodynamic Characteristics of Laser Radial Class Sailboat

作　　者：王国玉[1,2] 许明辉 贺中华 李兴龙 张锡广[4] 陈泰然[1,2] WANG Guoyu;XU Minghui;HE Zhonghua;LI Xinglong;ZHANG Xiguang;CHEN Tairan(School of Mechanical Engineering,Beijing Institute of Technology,Beijing 100081,China;Chongqing Innovation Center,Beijing Institute of Technology,Chongqing 401120,China;Key Laboratory of Aeronautical Science and Technology for High Speed and High Reynolds Number Aerodynamics,AVIC Aerodynaiviics Research Institute,Shenyang,Liaoning 110034,China;School of Chinese Athletics,Beijing Sport University,Beijing 100091,China)

机构地区：[1]北京理工大学机械与车辆学院,北京100081 [2]北京理工大学重庆创新中心,重庆401120 [3]中国航空工业空气动力研究院高速高雷诺数气动力航空科技重点实验,辽宁沈阳110034 [4]北京体育大学中国田径运动学,北京100091

出　　处：《北京理工大学学报》2024年第3期278-288,共11页Transactions of Beijing Institute of Technology

基　　金：北京理工大学青年教师学术启动计划(XSQD-202003008)。

摘　　要：采用试验观测和数值计算的方法研究了六自由度激光雷迪尔级帆船的水动力特性.设计了一套帆船六元力试验测量方法,通过拖曳水池试验获得帆船的水动力特性.采用雷诺时均计算方法和重叠网格技术,通过对试验和仿真的六元力结果进行对比,验证了数值计算方法的准确性.对不同航行姿态下的帆船水动力性能进行了模拟,分析了船体航速、迎角、侧倾角、漂角四个因素对帆船六元水动力的影响规律.研究结果表明:对纵向力影响权重较高的因子是航速和迎角,纵向力与航速呈非线性关系;对横向力影响较大的因子是漂角且两者呈线性关系;侧倾力矩主要受侧倾角和漂角的影响,随侧倾角的增加先减小后增大,在侧倾角为15°附近出现拐点;俯仰力矩受航速和迎角影响较大,随迎角的增大呈线性增大关系;转首力矩对漂角变化响应最大,随漂角增大线性增大.文中获得的六元水动力特性和数据可为提高帆船的操纵性提供重要数据支撑.Based on experimental measurement and numerical calculation,the hydrodynamic characteristics were studied for a 6-DOF Laser Radial class sailboat in this paper.Firstly,a set of six element force test measurement method was designed,and the hydrodynamic characteristics of the sailboat were obtained through the pool towing test.And then,the Reynolds Average Navier-Stokes calculation method and the overlapping grid technique were used in numerical method.And the accuracy of the numerical method was verified by comparing the experimental results with numerical results.Finally,the hydrodynamic performance of the sailboat under different sailing attitude were simulated,and the influence law of four factors including ship speed,pitch angle,heel angle and drift angle on the sailboat's six-element hydrodynamic performance was analyzed.The results show that ship speed and the pitch angle are the most significant influencing factors on the longitudinal force,expressing as a quadratic nonlinear relationship between the longitudinal force and the ship speed.The drift angle has a great influence on the lateral force,expressing as a linear relationship between them.Roll moment is mainly affected by heel angle and drift angle,decreasing first and then increasing with the increase of heel angle.The turning point occurs when heel angle is about 15°.Pitch moment is greatly affected by ship speed and pitch angle,and in-creases linearly with the increase of pitch angle.Yaw moment is the most responsive to drift angle,increasing linearly with the increase of drift angle.The six-element hydrodynamic characteristics and data obtained in this paper can provide significant data support for improving the maneuverability of sailboats.

关 键 词：激光雷迪尔级帆船 水动力特性 六元力 试验测试 数值计算 

分 类 号：U661.3[交通运输工程—船舶及航道工程]