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Design optimisation of Propeller Boss Cap Fins for enhanced propeller performance

机译：螺旋桨老板帽翅片设计优化，以增强螺旋桨性能

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摘要

Economic pressures and regulatory requirements have brought about a great interest in improving ship propulsion efficiency. This can be exercised by installing Energy Saving Devices (ESD) such as Propeller Boss Cap Fins (PBCF). This paper demonstrates an approach for optimising PBCF by using Computational Fluid Dynamics (CFD) analysis. The conducted Reynolds-averaged Navier-Stokes (RANS) CFD open water model tests were validated by comparison with experimental data until the simulation was deemed satisfactory within the capabilities and limitations of the model. A design and, optimisation procedure was defined to analyse the impact of ESDs on propeller efficiency and then used to evaluate the influence of alternative geometric parameters and locations of the PBCF on the hub. This analysis was done at full scale using high fidelity CFD-based RANS methods. Outcomes of the study include a design and optimisation process that can be used for the analysis of other ESDs on the market. The influences of various PBCF geometry were examined with optimal solutions presented for the analysis case. Results indicated a net energy efficiency improvement of 1.3% contributing to a substantial minimisation of cost and energy consumption. A reduction in the hub vortex was also clearly identified and presented. (C) 2016 The Author(s). Published by Elsevier Ltd.
机译：经济压力和监管要求为改善船舶推进效率带来了极大的兴趣。这可以通过安装节能设备（ESD）等螺旋桨帽鳍（PBCF）来行使。本文演示了一种通过使用计算流体动力学（CFD）分析来优化PBCF的方法。通过与实验数据进行比较，通过与实验数据进行验证，进行了进行的雷诺平均南部（RANS）CFD开放水模型试验在模型的能力和局限质内被视为令人满意。定义设计和优化程序，以分析ESDS对螺旋桨效率的影响，然后用于评估替代几何参数和PBCF在集线器上的位置的影响。使用高保真基于CFD的RAN方法满量程完成此分析。该研究的结果包括设计和优化过程，可用于分析市场上的其他ESD。用针对分析案件的最佳解决方案检查各种PBCF几何形状的影响。结果表明，净能源效率提高1.3％，促进了成本和能源消耗的大幅度最大限度。还清楚地识别并呈现了轮毂涡旋的减少。 （c）2016年作者。 elsevier有限公司出版

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  • 来源
    《Applied Ocean Research》 |2017年第2017期|共13页
  • 作者

    Mizzi Kurt; Demirel Yigit Kemal; Banks Charlotte; Turan Osman; Kaklis Panagiotis; Atlar Mehmet;

  • 作者单位

    Univ Strathclyde Dept Naval Architecture Ocean &

    Marine Engn 100 Montrose St Glasgow G4 0LZ Lanark Scotland;

    Univ Strathclyde Dept Naval Architecture Ocean &

    Marine Engn 100 Montrose St Glasgow G4 0LZ Lanark Scotland;

    Univ Strathclyde Dept Naval Architecture Ocean &

    Marine Engn 100 Montrose St Glasgow G4 0LZ Lanark Scotland;

    Univ Strathclyde Dept Naval Architecture Ocean &

    Marine Engn 100 Montrose St Glasgow G4 0LZ Lanark Scotland;

    Univ Strathclyde Dept Naval Architecture Ocean &

    Marine Engn 100 Montrose St Glasgow G4 0LZ Lanark Scotland;

    Univ Strathclyde Dept Naval Architecture Ocean &

    Marine Engn 100 Montrose St Glasgow G4 0LZ Lanark Scotland;

  • 收录信息
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 海洋学;
  • 关键词

    Propulsion efficiency; Computational fluid dynamics; PBCF; Optimisation;

    机译：推进效率;计算流体动力学;PBCF;优化;

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