阻流板对规则波中船舶阻力及运动特性影响研究

宋科委; 龚杰; 杨海燕; 葛珅玮

doi:10.19693/j.issn.1673-3185.03462

阻流板对规则波中船舶阻力及运动特性影响研究

Study on the influence of interceptor on ship resistance and motion characteristics in regular waves

摘要

摘要:
目的旨在分析阻流板对规则波中船舶阻力及运动特性的影响。
方法以一条半排水型方尾船为研究对象，基于RANS方法并结合重叠网格技术进行阻流板安装前后船舶在规则波中的阻力与运动特性数值仿真，总结船舶阻力、姿态与运动响应随波长与航速的变化规律。
结果结果表明：阻流板在规则波中的减阻率比静水减阻率大1.03%～2.43%；阻流板对垂荡和纵摇传递函数的影响随着波长的增大而变大，λ = 2L_PP工况下的垂荡传递函数TF₃和纵摇传递函数TF₅平均降低了3.5%和1.4%；当船舶出现甲板上浪时，阻流板可使TF₃和TF₅的降低率达到9%和3%。
结论研究方法与研究成果可为船舶节能装置设计与性能预报提供技术参考。

Abstract:
Objectives Intended to analyze the influence of interceptors on the resistance and motion characteristics of ships in regular waves.
Methods Taking a semi-displacement ship as the research object, the numerical simulation of the resistance and motion characteristics of the ship with and without interceptor in regular waves was carried out based on RANS method and overset mesh. The variation laws of ship resistance, attitude and motion response with wavelength and ship speed were summarized.
Results The results show that the resistance reduction effect of interceptor in regular wave was about 1.03%-2.43% higher than that in calm water. The influence of interceptor on the heave and pitch transfer functions increases with the increase of the wavelength. The average reduction rates of heave transfer function TF₃ and pitch transfer function TF₅ under λ = 2L_PP condition were 3.5% and 1.4%. When the phenomenon of green water on deck occurs, the interceptor can reduce the TF₃ and TF₅ by 9% and 3%.
Conclusions The research methods and achievements can provide technical references for the design and performance prediction of ship energy-saving devices.

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