基于SNNM法的船舶波浪增阻计算及试验验证  

Calculation and Test Verification of Ship Wave Added Resistance Based on SNNM Method

作　　者：诸国华 宋健 刘琰 ZHU Guohua;SONG Jian;LIU Yan(Marine Design and Research Institute of China,Shanghai 200011,China;China Merchants Jinling Shipyard(Weihai)Co.,Ltd.,Weihai 264205,Shandong,China)

机构地区：[1]中国船舶及海洋工程设计研究院,上海每200011 [2]招商局金陵船舶(威海)有限公司,山东威海264205

出　　处：《船舶工程》2024年第8期48-53,共6页Ship Engineering

摘　　要：为了验证国际拖曳水池会议(ITTC)引入的全浪向波浪增阻预报新方法(SHOPERA-NTUANTU-MARIC,SNNM)在船舶波浪增阻计算中应用的可行性和有效性,以一艘大型客船为目标船,选择迎浪航行和经济航速工况,简要介绍SNNM方法,并在此基础上开展基于SNNM法的目标船波浪增阻计算。同时,针对目标船开展波浪增阻水池模型试验,并将所得结果与采用SNNM方法计算所得结果进行对比,验证SNNM法的计算精度和可靠性满足需求。结果显示:采用2种方法得到的波浪增阻因子传递函数的变化趋势一致,实船波浪增阻统计预报值最大相差不超过7%,说明采用SNNM法进行船舶波浪增阻预报是可行的。To verify the feasibility and effectiveness of the new method for predicting wave added resistance in all wave directions SHOPERA-NTUA-NTU-MARIC(SNNM)introduced by the International Towing Tank Conference(ITTC),a large passenger ship is selected as the target ship,and its heading wave navigation and economic speed conditions are selected.The new SNNM method for predicting wave added resistance in all wave directions is first briefly introduced,and based on this,the wave added resistance calculation of the target ship is carried out using the SNNM method.At the same time,wave added resistance tank model test is conducted,and the results are compared with those calculated using the SNNM method to verify that the calculation accuracy and reliability of the SNNM method.The comparison result shows that the change trend of the wave added resistance factor transfer function obtained by these two methods are consistent,and the largest difference on the statistical prediction value of the actual ship's wave added resistance is not more than 7%,which indicates that using the SNNM method to predict a ship's wave added resistance is acceptable.

关 键 词：波浪增阻 模型试验 波浪增阻预报新方法 经验公式 

分 类 号：U661.43[交通运输工程—船舶及航道工程]