Mathematical Modeling Of The Hydrodynamic Forces On A Vertical Cambered Slotted Otter Board

2019 2nd International Conference of Green Buildings and Environmental Management

生态环境科学

Rao, X.^1^2 ; Huang, H.L.^1^2 ; Chen, S.^1 ; Li, L.Z.^1^2 ; Yang, J.L.^1^2

Key Laboratory of Oceanic and Polar Fisheries, Ministry of Agriculture, East China Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Shanghai

200090, China^1

Engineering Technology Research Center of Marine Fishing, Chinese Academy of Fishery Sciences, Shanghai

200090, China^2

关键词: Angles of attack;    Experiment data;    Horizontal expansion;    Hydraulic performance;    Hydrodynamic forces;    Research object;    Structural parameter;    World energies;   

Others  :  https://iopscience.iop.org/article/10.1088/1755-1315/310/3/032023/pdf
DOI  :  10.1088/1755-1315/310/3/032023

学科分类：环境科学（综合）

来源: IOP

【 摘 要 】

As an important accessory of single trawl, otter board directly affects net horizontal expansion, further the catching and fishing efficiency[1-2]. For improving the fishing efficiency and technology level and solving the world energy crisis in some way, the hydraulic performance is chosen and the effects of different structural parameters are studied. Such as aspect ratio, curvature, bending and receding angle, deflector angle and slot width, number of slots and so on[3-10]. This paper selects a vertical cambered slotted otter board as research object, presents a principle of hydrodynamic efficient based on the experiment data, then a mathematical model of the hydrodynamic efficient is obtained. This model has been found as a function of angles of attack and deflector, and is suitable for similar otter board design and optimization.