基于豪华邮轮尾部模型的入水砰击载荷试验研究  

Experimental Study on the Characteristics of Stern Slamming Loads for Luxury Cruise Based on Free-Drop Model Test

作　　者：杨俊科 单一航 邹健 邓宝利 王巍巍[2] 李辉[1] YANG Junke;SHAN Yihang;ZOU Jian;DENG Baoli;WANG Weiwei;LI Hui(College of Shipbuilding Engineering,Harbin Engineering University,Harbin 150001,China;Offshore Oil Engineering Co.,Ltd,Tianjin 300450,China)

机构地区：[1]哈尔滨工程大学船舶工程学院,哈尔滨150001 [2]海洋石油工程股份有限公司,天津300450

出　　处：《船舶工程》2022年第5期8-17,52,共11页Ship Engineering

基　　金：国家重点研发计划项目(2018YFC0310500);国家自然科学基金项目(52071110);黑龙江省自然科学基金项目(LH2020E077)。

摘　　要：基于13万总吨级大型豪华邮轮三维艉部模型,开展0°、5°和10°等3种纵倾角下的自由落体砰击载荷试验,研究入水角度对船体尾部砰击压力峰值大小及时空分布的影响。根据试验测量结果分析不同纵倾角下砰击压力在船体表面的分布规律、入水角度对压力时历及无因次压力峰值系数k的影响。结果表明:较大的砰击载荷主要集中在邮轮底部底升角小的区域;随着模型纵倾角度的增大,使得邮轮艉部砰击更为严重;底升角是影响无因次压力系数k值最主要的因素,k值随着底升角的增大而减小。通过本研究还发现,受气垫效应的影响,艉部区域的无因次砰击压力系数k随砰击速度的增加而减小。Based on the three-dimensional stern model of 130000 gross tonnage large luxury cruise ship,the free-drop slamming load tests at trim angles of 0°,5°and 10°are carried out,and the influence of water entry angle on the peak value and temporal and spatial distribution of slamming pressure at the stern of the ship is studied.According to the test results,the distribution law of slamming pressure on the hull surface under different trim angles,the influence of water entry angle on pressure time history and dimensionless pressure peak coefficient k are analyzed.The results show that the larger slamming load is mainly concentrated in the area with small bottom rise angle at the bottom of the cruise ship.With the increase of the trim angle of the model,the slamming at the stern of the cruise ship becomes more serious.The bottom rise angle is the most important factor affecting the dimensionless pressure coefficient k,and the value of k decreases with the increase of bottom rise angle.It is also found that the dimensionless slamming pressure coefficient k in the stern region decreases with the increase of slamming velocity due to the air cushion effect.

关 键 词：模型试验 艉部砰击 压力分布 纵倾角度 底升角 

分 类 号：U661.73[交通运输工程—船舶及航道工程]