文献类型： 会议论文

第一作者： Gang Wang

作者： Gang Wang ¹ ; Rong Wan ¹ ; Liuyi Huang ¹ ; Fenfang Zhao ¹ ; Xinxin Wang ¹ ; Wenbin Zhu ² ; Lei Wang ³ ; Qingchang Xu ¹ ; Yuyan Li ¹ ;

作者机构： 1.Fisheries College, Ocean University of China, Qingdao 266003, R R. China

2.Marine Fisheries Research Institute of Zhejiang, Zhoushan 316021, P. R. China

3.East China Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Shanghai 200090, P. R. China

关键词： otter board;RSM;MOGA;numerical simulation

会议名称： ASME International Conference on Ocean, Offshore and Arctic Engineering

主办单位：

页码： V009T13A034.1-V009T13A034.12

摘要： In this present work, effects of three Euler angles (Angle of Attack (AOA), Angle of Trim (AOT), Angle of Pitch (AOP)) of vertical cambered otter board on hydrodynamic characteristics (drag coefficient (C_d), lift coefficient (C_l), center-of-pressure coefficients (C_p)) were studied based on numerical simulation combined with Kriging Response Surface Methodology (KRSM) and Multi-Objective Genetic Algorithm (MOGA). Wind tunnel experiments were carried out to validate the accuracy of response surface based on numerical simulation. It was demonstrated that AOA had prominent effects on C_d and C_l, while AOT and AOP had less effects. The working posture of otter board were recommended to lean inwards (0°～6°) and forward (-10°～0°) to improve the lift-drag ratio without sacrificing C_l. The influences of AOT and AOP on positions of center-of-pressure point were less significant than that of AOA and decreasing with the increase of AOA. In addition, response surface of hydrodynamic coefficients around the critical AOA was a decent indicator of occurrence of stall. Finally, three candidate cases were selected to satisfy the high working efficiency by MOGA, which was consistent with the above recommendations. This study provided a scientific reference of response surface experimental investigations methodology and the configuration of Euler angles of otter board.

分类号： p75