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Study on rotating arm test of fully appended submarine and forces in single-plane |
Bo-wen ZHAO1( ),Ying-ying YUN1,Ji-yuan SUN1,Zhi-guo YANG1,*( ),Bin HUANG1,2 |
1. Ocean College, Zhejiang University, Zhoushan 316021, China 2. The Engineering Research Center of Oceanic Sensing Technology and Equipment, Ministry of Education, Zhejiang University, Zhoushan 316021, China |
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Abstract A submarine manoeuvring turning test was conducted in a rotating arm basin at Zhejiang University by using the standard model SUBOFF AFF-8 as a test object in order to analyze the hydrodynamic characteristics and force motion of underwater vehicles in steady turn. The test technology of rotating arm test was introduced, including model installation, data measurement and calibration and verification of six component balance. The rotation derivatives of the horizontal and vertical planes were obtained and compared with the experimental values of the Taylor tank. Results showed that the error between Zhejiang University basin and Taylor tank was less than 10%, which proved the reliability of measurements for submarine maneuverability with Zhejiang University’s basin. The change curves of longitudinal force and transverse force with drift angle were symmetrical to the left and right with 0° drift angle as the dividing point when moving on the horizontal plane. The roll moment and yaw moment increased with the increase of drift angle. The vertical force and pitch moment were similar to parabola distribution with the change of drift angle. The forces and moments of the upward and downward movements were symmetrically distributed when moving on the vertical plane. The larger the angular velocity was, the larger the longitudinal force was. The force difference at different angles of attack was larger at higher angular velocities.
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Received: 16 November 2022
Published: 21 April 2023
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Fund: 国家自然科学基金资助项目(52076186,51839010); 舟山市科技局资助项目(2022C81005) |
Corresponding Authors:
Zhi-guo YANG
E-mail: zju_zhbw@zju.edu.cn;binhuang@zju.edu.cn
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全附体潜艇旋臂水池试验及单平面受力研究
为了研究水下航行器在定常回转中的水动力特性及受力运动规律,以潜艇标模SUBOFF AFF-8为研究对象,在浙江大学旋臂水池中进行潜艇操纵性回转试验. 介绍潜艇旋臂水池试验的测试技术,包括模型安装、数据测量及六分力天平的标定与校核. 获取水平面和垂直面的旋转导数,与泰勒水池的实验值形成对比. 结果表明,浙江大学水池与泰勒水池相比,误差小于10%,证明浙江大学旋臂水池对潜艇操纵性试验的测量具有一定的可靠性. 在水平面运动中,纵向力和横向力随漂角的变化曲线以0°漂角为分界点左右对称,横摇力矩和偏航力矩随漂角的增大而增大,垂向力和俯仰力矩随漂角的变化近似呈抛物线分布. 垂直面运动时,上浮和下潜运动的力和力矩呈对称分布. 角速度越大,纵向力越大,在较高的角速度下,不同攻角下的力差值较大.
关键词:
旋臂试验,
操纵性,
全附体潜艇,
单平面受力
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