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Resistance and propulsion characteristics of various commercial ships based on CFD results

机译：基于CFD结果的各种商用船的阻力和推进特性

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摘要

This paper uses computational tools to examine the speed performance of various types of commercial ships including resistance and propulsion characteristics. Eight commercial ships built in the last decade were selected for the study. They include four large-sized container carriers, one bulk carrier, one VLCC, and two LNG carriers. The Reynolds averaged Navier-Stokes equation has been utilized, and the computations were executed under the same conditions of the model tests to predict the speed performance, i.e., resistance and self-propulsion. The self-propulsion point was obtained from load-varying tests. The speed performance was predicted based on the model-ship performance analysis method of the revised ITTC'78 method. The limiting streamlines on the hull, wave characteristics around the model ship, and the wake characteristics on the propeller plane were also investigated. After completing the computations, a series of model tests were conducted to evaluate the accuracy of the computational predictions. The predictions clearly reveal the differences in the resistance and propulsion characteristics regarding the various types of commercial ships, and may be applicable to hull-form design.
机译：本文使用计算工具来检查各种类型的商船的速度性能，包括阻力和推进特性。这项研究选择了过去十年建造的八艘商业船。它们包括四艘大型集装箱船，一艘散装船，一艘VLCC和两艘LNG船。使用了雷诺平均Navier-Stokes方程，并且在模型测试的相同条件下执行了计算，以预测速度性能，即阻力和自推进。自推力点从负载变化测试中获得。速度性能是根据修订后的ITTC'78方法的模型船性能分析方法进行预测的。还研究了船体的限制流线，模型船周围的波浪特征以及螺旋桨飞机的尾流特征。完成计算后，进行了一系列模型测试以评估计算预测的准确性。这些预测清楚地揭示了各种类型的商船在阻力和推进特性方面的差异，并且可能适用于船体形式的设计。

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  • 来源
    《Ocean Engineering》 |2010年第7期|p.549-566|共18页
  • 作者

    J.E. Choi; rnK.-S. Min; rnJ.H. Kim; rnS.B. Lee; rnH.W. Seo;

  • 作者单位

    Hyundai Heavy Industries. 1, Jeonha-dong, Dong-gu, Ulsan 682-792, Republic of Korea;

    rnHyundai Heavy Industries. 1, Jeonha-dong, Dong-gu, Ulsan 682-792, Republic of Korea;

    rnHyundai Heavy Industries. 1, Jeonha-dong, Dong-gu, Ulsan 682-792, Republic of Korea;

    rnHyundai Heavy Industries. 1, Jeonha-dong, Dong-gu, Ulsan 682-792, Republic of Korea;

    rnHyundai Heavy Industries. 1, Jeonha-dong, Dong-gu, Ulsan 682-792, Republic of Korea;

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  • 原文格式 PDF
  • 正文语种 eng
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  • 关键词

    computational prediction; speed performance; resistance; propulsion; commercial ship;

    机译：计算预测;速度表现;抵抗性;推进力商业船;

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