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Side wall effects on ship model testing in a towing tank

机译：侧壁对拖船上船模测试的影响

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摘要

Due to the existence of the side walls in a towing tank, the measured hydrodynamic forces would present some discrepancies compared to the open sea results. This phenomenon is referred to as the side wall effect. The objective of the present study is to investigate the side wall effects on ship model testing in a towing tank. The method used in the present study involves a 3D panel method based on the Rankine type Green function. Both the steady and unsteady problems were investigated numerically. The numerical results were validated against ship model test results. After the validations, a large scale computations were performed to investigate the parameters which could determine the side wall effects. Two diagrams of side wall effects (one in calm water and the other one in waves), were obtained which showed whether the side wall effect was less than the permissible error to be included in the measured values.
机译：由于拖船中存在侧壁，与公海结果相比，测得的水动力会出现一些差异。这种现象称为侧壁效应。本研究的目的是研究侧壁在拖船上进行船模测试的影响。本研究中使用的方法涉及基于兰金类型格林函数的3D面板方法。对稳态和非稳态问题都进行了数值研究。数值结果与舰船模型测试结果进行了验证。验证之后，进行了大规模计算以研究可以确定侧壁效应的参数。获得了两个侧壁效应图（一个在平静水中，另一个在波浪中），显示了侧壁效应是否小于测量值中允许的误差。

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  • 来源
    《Ocean Engineering》 |2018年第1期|447-457|共11页
  • 作者

    Yuan Zhi-Ming; Zhang Xinshu; Ji Chun-Yan; Jia Laibing; Wang Huaming; Incecik Atilla;

  • 作者单位

    Univ Strathclyde, Dept Naval Architecture Ocean & Marine Engn, Glasgow, Lanark, Scotland;

    Shanghai Jiao Tong Univ, Sch Naval Architecture Ocean & Civil Engn, Shanghai, Peoples R China;

    Jiangsu Univ Sci & Technol, Sch Naval Architecture & Ocean Engn, 2 Mengxi Rd, Zhenjiang, Jiangsu, Peoples R China;

    Northwestern Polytech Univ, Sch Marine Sci & Technol, Xian, Shaanxi, Peoples R China;

    Zhejiang Ocean Univ, Sch Naval Architecture & Mech Elect Engn, Zhoushan, Zhejiang, Peoples R China;

    Univ Strathclyde, Dept Naval Architecture Ocean & Marine Engn, Glasgow, Lanark, Scotland;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Side wall effects; Rankine source method; Ship model testing; Shallow water; Forward speed;

    机译：侧壁效应;朗肯源法;船模测试;浅水;前进速度;

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