循环水槽平面运动机构试验及其斜航试验的数值模拟

刘  晗; 马  宁; 邓德衡; 等

doi:10.16411/j.cnki.issn1006-7736.2016.02.002

大连海事大学学报 >

2016 , Vol. 42 >Issue 2: 8 - 13

DOI: https://doi.org/10.16411/j.cnki.issn1006-7736.2016.02.002

船舶与海洋工程

循环水槽平面运动机构试验及其斜航试验的数值模拟

刘晗 ,
马宁 ,
邓德衡 ,
等

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(上海交通大学 a.船舶海洋与建筑工程学院;b.海洋工程国家重点实验室,上海 200240)

刘晗（1989-），男，博士生.

收稿日期: 2015-11-07

修回日期: 2015-12-03

网络出版日期: 2015-12-10

基金资助

国家重点基础研究发展计划（973）资助项目（2014CB046806）;教育部财政部重大科研专项资助项目（GKZY010004）.

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Planar motion mechanism tests in circulating water channel and numerical simulation of oblique towing

LIU Han ,
MA Ning ,
DENG De-heng ,
et al

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(a.School of Naval Architecture, Ocean and Civil Engineering;b. State Key Laboratory of Ocean Engineering， Shanghai Jiaotong

University,Shanghai 200240,China)

Received date: 2015-11-07

Revised date: 2015-12-03

Online published: 2015-12-10

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摘要

为避免拖曳水池对平面运动机构试验的工况限制并提高测量精度，使用循环水槽开展平面运动机构试验.以大型油轮KVLCC2模型为研究对象，在多个工况下对其进行斜航试验、纯横荡试验和纯艏摇试验，测得船舶操纵性运动所需的水动力数据.将研究结果与日本海上技术安全研究所(NMRI)的试验结果进行对比，证明循环水槽平面运动机构试验具备较强的可靠性.此外，采用通用CFD软件对KVLCC2模型在循环水槽中不同漂角的斜航试验进行数值模拟.将计算得到的水动力及力矩与实验数据进行对比，结果表明，该数值模拟方法适用于循环水槽斜航试验的水动力计算.

关键词： 循环水槽; 平面运动机构试验; 斜航试验; 计算流体动力学(CFD); 操纵水动力导数; 数值模拟

本文引用格式

刘晗 , 马宁 , 邓德衡 , 等 . 循环水槽平面运动机构试验及其斜航试验的数值模拟[J]. 大连海事大学学报, 2016 , 42(2) : 8 -13 . DOI: 10.16411/j.cnki.issn1006-7736.2016.02.002

Abstract

To rid the test condition of limitations from a towing tank and improve measurements, a planar motion mechanism (PMM) test was carried out by using circulating water channel (CWC).Taking the large oil tankers model KVLCC2 as research object, oblique towing, pure swaying and pure yawing tests under a series of working conditions were performed respectively, and the hydrodynamic derivatives applied to ship maneuvering motions were obtained. Compared with National Maritime Research Institute (NMRI) test results, the high reliability of the PMM test in CWC was proved. Moreover, the numerical simulation of oblique towing tests at different drift angles in the CWC was performed with a general-purpose computational fluid dynamics (CFD) package, and hydrodynamic forces and moments acting on the model were compared with the test data. Comparison result demonstrates that the proposed numerical simulation method is suitable for calculating the hydrodynamic force of CWC oblique towing tests.

Key words： circulating water channel; planar motion mechanism test; oblique towing tests; computational fluid dynamics(CFD); maneuvering hydrodynamic derivatives; numerical simulation

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