摘要
[目的]旨在阐述采用吊舱推进船舶在波浪中的功率增加预报试验方法,并通过模型试验得到目标豪华邮轮在实际海域中的功率增加值。[方法]针对一艘采用吊舱推进的豪华邮轮,在拖曳水池中开展波浪中的自航模型试验研究,通过在缩尺后的吊舱包内安装专为本试验研制的吊舱动力仪,测量吊舱桨发出的扭矩和转速,然后将传统的静水自航试验方法拓展至波浪中,依据ITTC推荐规程对试验数据进行后处理并分析影响试验精度的误差来源。[结果]根据ITTC推荐的扭矩转速法预报得到的目标船功率增加峰值出现在波浪周期12 s附近,当有义波高为2 m时,波浪中功率增加值为554 kW,占静水中功率的比例达18.53%。[结论]所述自航模型试验方法适用于吊舱推进船舶,可用于预报船舶在波浪中的功率增加,可为深入研究船舶在波浪中的推进特性,进一步丰富船舶节能减排的设计优化手段提供有益参考。
[Objectives]This paper aims to expand the prediction method of a power increase in waves for ships with podded propulsion,and to predict the power increase of a luxury cruise ship in actual seas through model experimentations.[Methods]A self-propulsion test for a cruise ship with podded propulsion in waves is performed in the towing tank.A tailor-made dynamometer is installed inside the model scale pod unit for torque and revolution measurement,and the traditional self-propulsion test method in calm water is further developed and applied to the test in waves.Additionally,the experiment data is post-processed according to ITTC recommended procedures,and the error sources was analyzed.[Results]According to the ITTC torque and revolution method,the obtained peak power increase of the target cruise ship occurs at wave periods close to 12 s;when the significant wave height is 2 m,the power increase in waves is 554 kW,corresponding to 18.53%of the power consumption in calm water.[Conclusions]The experimental method presented in this paper is applicable for ships with podded propulsion and can be used for the prediction of a power increase in waves.This provides a reference for a more detailed investigation into the ship's propulsion characteristics in waves and can help expand the design optimization approaches towards more energy-efficient ships.
作者
封培元
吴永顺
冯毅
熊小青
FENG Peiyuan;WU Yongshun;FENG Yi;XIONG Xiaoqing(Shanghai Key Laboratory of Ship Engineering,Shanghai 200011,China;Marine Design and Research Institute of China,Shanghai 200011,China)
出处
《中国舰船研究》
CSCD
北大核心
2020年第5期11-16,共6页
Chinese Journal of Ship Research
基金
国家自然科学基金青年科学基金资助项目(51709240)
工信部高技术船舶科研项目资助(K24416)。
关键词
豪华邮轮
吊舱推进
波浪中自航
模型试验
波浪中功率增加
扭矩转速法
luxury cruise ships
podded propulsion
self-propulsion in waves
model test
power increase in waves
torque and revolution method
