In response to the Food and Agriculture Organization of the United Nations(FAO)'s"Blue Initiative"and the need for sustainable development of the marine economy,this study aims to reduce the energy consumption and operating costs of a 40 m-long ocean-going purse seine vessel throughout its entire operating cycle to enhance the energy efficiency management technology for ocean-going fishing vessels,this paper relies on the Digital Research and Development Platform of fishing vessels,based on Reynolds-averaged Navier-Stokes equations(RANS),using the computational fluid dynamics(CFD)analysis software STAR-CCM+,the resistance of an ocean-going purse seine fishing vessel under different draught and different yaw conditions was simulated and calculated,based on the analysis of the change law of the resistance and the search for the optimal pitch angle under different draught and speeds,the displacement and speed requirements of the purse seine fishing vessels at the key operating points in the complete operating cycle are discussed,the optimal pitch operation manual and the economical selection scheme of the main engine power are established,and the actual energy saving effect of the pitch optimization is verified by comparing the energy consumption of the ship in the positive floating state and the optimal pitch state.The research results provide theoretical support for implementing energy-saving technology of ocean-going fishing vessel pitch optimization.
关键词
围网渔船/仿真计算/纵倾节能/主机能效分析
Key words
purse seiner/simulation calculation/trim energy-saving/host energy efficiency analysis
维普
万方数据