大型邮轮与集装箱船水动力相互作用数值研究

doi:10.16183/j.cnki.jsjtu.2021.257

摘要/Abstract

摘要：

大型邮轮是一种大尺度、高附加值船型,近年来得到越来越多的研究与开发.由于大型邮轮经常航行于港口、沿岸等繁忙水域,研究其与其他船舶的水动力相互作用,对保证其航行安全至关重要.以一艘大型邮轮和一艘KCS集装箱船为研究对象,通过求解非定常RANS方程,在模型尺度下预报了两船在深水、浅水中不同纵向位置、不同横向位置以及不同航速下的水动力特性,确定了两船之间水动力相互作用的变化情况.结果表明,不同的相对位置和航速均对两船的横向力和转首力矩有明显影响,浅水下两船的相互作用更加明显,且KCS船更易受到船-船相互作用的影响.

关键词: 大型邮轮, 限制水域, 船-船相互作用, RANS方程, 计算流体动力学

Abstract:

The large cruise ship is a type of ship with large size and high added value, which has been increasingly studied and developed during the recent years. Since a large cruise ship often sails in the crowded waters such as harbor and coastal area, the study of the hydrodynamic interaction between the cruise ship and other ships is crucial to ensure the navigation safety. Taking a large cruise ship and a KCS container ship as the study object, the hydrodynamic characteristics of the two ships at different longitudinal positions, transverse positions, and ship speeds in both deep and shallow water are predicted in model scale by solving the unsteady Reynolds-averaged Navier-Stokes (RANS) equations, and the variations of the hydrodynamic interactions between the two ships are identified. It is shown that different relative positions and ship speeds have significant effects on the lateral force and yaw moment acting on the two ships. The hydrodynamic interaction between the two ships in shallow water is more remarkable, and the relatively smaller ship is more affected by the ship-to-ship interaction.

Key words: large cruise ship, restricted water, ship-to-ship interaction, RANS equations, computational fluid dynamics (CFD)

中图分类号:

U661.1

宋深科, 夏立, 邹早建, 邹璐. 大型邮轮与集装箱船水动力相互作用数值研究[J]. 上海交通大学学报, 2022, 56(7): 919-928.

SONG Shenke, XIA Li, ZOU Zaojian, ZOU Lu. A Numerical Study of Hydrodynamic Interactions Between a Large Cruise Ship and a Container Ship[J]. Journal of Shanghai Jiao Tong University, 2022, 56(7): 919-928.

图/表 21

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参考文献 12

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参数	取值
参数	邮轮	KCS
船长L_pp /m	5.742	4.600
船宽B/m	0.744	0.644
吃水T/m	0.165	0.216
船舶质量m/kg	534.928	416.240
方形系数C_B	0.738 7	0.650 5
横摇惯性半径k_xx/B	0.40	0.40
纵摇惯性半径k_yy/L_pp	0.25	0.25
首摇惯性半径k_zz/L_pp	0.25	0.25

算例编号	Fr	深水Fr_h	浅水Fr_h	η/B	ξ/m
Case1	0.10	0.08	0.48	2	-2
Case2	0.10	0.08	0.48	2	-1
Case3	0.10	0.08	0.48	2	0
Case4	0.10	0.08	0.48	2	1
Case5	0.10	0.08	0.48	2	2
Case6	0.10	0.08	0.48	3	0
Case7	0.10	0.08	0.48	4	0
Case8	0.10	0.08	0.48	5	0
Case9	0.06	0.05	0.29	2	0
Case10	0.08	0.07	0.39	2	0
Case11	0.12	0.10	0.58	2	0
Case12	0.14	0.12	0.67	2	0

水动力系数	S₃×10⁴	S₂×10⁴	S₁×10⁴	R	P	ω/%
C_Y₁	-1.308	-2.162	-1.769	-0.460	2.240	18.932
C_N₁	7.292	6.721	7.028	-0.537	1.794	-5.065
C_Y₂	8.640	8.339	8.320	0.063	7.964	0.015
C_N₂	-2.325	-2.402	-2.439	0.486	2.080	-1.453

水动力系数	S₃×10⁴	S₂×10⁴	S₁×10⁴	R	P	ω/%
C_Y₁	-2.888	-2.162	-2.048	0.157	5.339	1.040
C_N₁	6.703	6.721	6.700	-1.185	0.490	1.709
C_Y₂	8.519	8.339	8.295	0.246	4.047	0.173
C_N₂	-2.337	-2.402	-2.429	0.427	2.453	0.845

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