为提升船舶波浪增阻计算的准确度,基于实船航行数据,分别采用数值计算方法和经验公式计算船舶的波浪增阻。以一艘散货船为例,收集其船型信息,根据船型信息计算得到波浪增阻响应曲线;收集该船的航行监测数据,通过Python编程计算各采样数...为提升船舶波浪增阻计算的准确度,基于实船航行数据,分别采用数值计算方法和经验公式计算船舶的波浪增阻。以一艘散货船为例,收集其船型信息,根据船型信息计算得到波浪增阻响应曲线;收集该船的航行监测数据,通过Python编程计算各采样数据对应的波浪增阻响应曲线,通过国际拖曳水池会议(International Towing Tank Conference,ITTC)双参数海浪谱匹配各采样数据下的波高和波浪周期,求解出对应的波浪增阻;基于ISO15016:2015规程修正风、浪、温度和水密度等参数,通过对轴功率进行波浪增阻、水温和风阻等方面的修正得到理想的静水功率。将修正结果与散货船快速性模型试验结果相对比,验证采用SNNM(SHOPERA-NTUA-NTUMARIC)方法所得船舶波浪增阻相比采用切片法所得波浪增阻更准确,与实船波浪增阻更接近。展开更多
In China's journey from a shipbuilding major country to a shipbuilding power,the 708th Research Institute of CSSC has continued to develop first-class national heavyweight equipment and forged the cornerstone for ...In China's journey from a shipbuilding major country to a shipbuilding power,the 708th Research Institute of CSSC has continued to develop first-class national heavyweight equipment and forged the cornerstone for realizing the dream of a maritime power with technical heritage through 75-year deep cultivation and accumulation and continuous iterative innovation practice.展开更多
文摘为提升船舶波浪增阻计算的准确度,基于实船航行数据,分别采用数值计算方法和经验公式计算船舶的波浪增阻。以一艘散货船为例,收集其船型信息,根据船型信息计算得到波浪增阻响应曲线;收集该船的航行监测数据,通过Python编程计算各采样数据对应的波浪增阻响应曲线,通过国际拖曳水池会议(International Towing Tank Conference,ITTC)双参数海浪谱匹配各采样数据下的波高和波浪周期,求解出对应的波浪增阻;基于ISO15016:2015规程修正风、浪、温度和水密度等参数,通过对轴功率进行波浪增阻、水温和风阻等方面的修正得到理想的静水功率。将修正结果与散货船快速性模型试验结果相对比,验证采用SNNM(SHOPERA-NTUA-NTUMARIC)方法所得船舶波浪增阻相比采用切片法所得波浪增阻更准确,与实船波浪增阻更接近。
文摘In China's journey from a shipbuilding major country to a shipbuilding power,the 708th Research Institute of CSSC has continued to develop first-class national heavyweight equipment and forged the cornerstone for realizing the dream of a maritime power with technical heritage through 75-year deep cultivation and accumulation and continuous iterative innovation practice.
