Numerical Evaluation Method and Energy-Saving Mechanism of a Pre-Swirl Duct for a Container Ship

doi:10.19423/j.cnki.31-1561/u.2025.169

Ship & Boat ›› 2026, Vol. 37 ›› Issue (02): 11-24.DOI: 10.19423/j.cnki.31-1561/u.2025.169

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Numerical Evaluation Method and Energy-Saving Mechanism of a Pre-Swirl Duct for a Container Ship

ZHENG Zhongzhong^1,2, CHEN Zuogang^1,2,*, XI Kai³, FENG Yukun^1,2, WU Yanfeng⁴

1. State Key Laboratory of Ocean Engineering, Shanghai Jiao Tong University, Shanghai 200240, China;
2. School of Naval Architecture, Ocean and Civil Engineering, Shanghai Jiao Tong University, Shanghai 200240, China;
3. Marine Design & Research Institute of China, Shanghai 200011, China;;
4. Zhejiang Energy Marine Environmental Technology Co., Ltd., Hangzhou 311215, China

Received:2025-11-03 Revised:2025-12-05 Published:2026-04-28

集装箱船导管鳍节能效果数值评估方法与节能机理研究

郑众众^1,2, 陈作钢^1,2,*, 席凯³, 冯榆坤^1,2, 武彦峰⁴

1.上海交通大学海洋工程全国重点实验室上海 200240;
2.上海交通大学船舶海洋与建筑工程学院上海 200240;
3.中国船舶及海洋工程设计研究院上海 200011;
4.浙江浙能迈领环境科技股份有限公司杭州 311215

通讯作者: 陈作钢（1967—）,男,博士,研究员。研究方向：计算流体力学、船舶水动力学、风洞循环水槽的研发与应用。陈作钢,上海交通大学船舶海洋与建筑工程学院研究员、博士生导师,长期从事CFD技术、风洞·循环水槽试验、基于仿真的优化等研究。其构建了面向多目标及高维超多目标的数值优化设计技术体系,研发成果应用广泛,设计的节能装置实船应用数量突破百艘;构建了基于雷诺数的多种尺度解析数值方法体系,实现了对复杂精细流动和流噪声的高精度数值预报;对于滑行艇类的非排水型船舶,提出了AVT （anti-ventilation techniques）技术,使高速滑行艇的阻力数值预报精度在全弗劳德数范围内控制在3%以内。其解决了商用软件的短板,开发交互式程序,彻底解决了柔性动边界CFD计算中的网格生成难题,并在仿生推进数值研究中得出再层流化等重要结论;通过数值计算与模型试验相结合,为大规模漂浮式光伏电站、新型海上光伏方阵、光伏跟踪支架/柔性支架的载荷预报提供技术解决方案。
作者简介:郑众众（2000—）,男,硕士研究生。研究方向：船用导管鳍研发与应用。席凯（1996—）,男,硕士,工程师。研究方向：船舶总体设计,计算流体力学。冯榆坤（1990—）,男,博士,助理研究员。研究方向：计算流体力学、数值优化。武彦峰（1978—）,男,硕士。研究方向：船用导管鳍研发与应用。
基金资助:
浙江浙能迈领环境科技股份有限公司科研项目（GKZD010090/021）

Abstract

Abstract: To accurately evaluate the energy-saving performance of a pre-swirl duct (PSD) and reveal its underlying mechanisms, this study takes an 8,800 TEU container ship as the research subject. Numerical simulations of ship model resistance, propeller open-water performance, and self-propulsion performance were performed using the Reynolds-averaged Navier-Stokes (RANS) method. The numerical method was validated against towing tank test results. Based on this, the primary energy-saving mechanisms were systematically revealed by analyzing the effects of the PSD on the wake field, propeller performance, and wake kinetic energy. At the design speed, the predicted energy-saving rates are 2.78% (CFD) and 2.74% (EFD). Under off-design conditions, the average rates are 2.86% (CFD) and 2.72% (EFD), showing good agreement between predictions and experiments. The PSD generates a pre-swirl flow via its guide fins, which optimizes the propeller inflow, improves blade performance, and suppresses transverse flow in the wake. The accurate numerical method and the systematic analysis of energy-saving mechanisms presented in this study provide a foundation for future optimization of PSDs.

Key words: pre-swirl duct (PSD), container ship, computational fluid dynamics (CFD), model tests, energy-saving mechanisms

摘要： 为准确评估导管鳍的节能效果并揭示其节能机理,该文以1艘8 800 TEU集装箱船为研究对象,基于RANS方法进行船模阻力、螺旋桨敞水及自航性能的数值计算,并通过对比拖曳水池试验与数值计算结果,验证了该方法的准确性。在此基础上,该文通过分析导管鳍对尾流场、螺旋桨性能及尾流动能的影响,系统阐明了其主要节能机理。研究结果表明：在设计航速下,导管鳍节能率预报值分别为2.78%（计算流体力学方法）和2.74%（试验流体力学方法）;非设计工况下,两者的平均节能率分别为2.86%和2.72%,预报与试验结果吻合良好。导管鳍通过导叶产生预旋流,优化了螺旋桨的入流条件,改善了桨叶的性能,并有效抑制了尾流中的横向流动。该文所提出的高精度数值预报方法及对导管鳍节能机理的系统分析,可为后续导管鳍节能效果优化提供技术支撑。

关键词: 导管鳍, 集装箱船, 计算流体力学, 模型试验, 节能机理

CLC Number:

U661.1

ZHENG Zhongzhong, CHEN Zuogang, XI Kai, FENG Yukun, WU Yanfeng. Numerical Evaluation Method and Energy-Saving Mechanism of a Pre-Swirl Duct for a Container Ship[J]. Ship & Boat, 2026, 37(02): 11-24.

郑众众, 陈作钢, 席凯, 冯榆坤, 武彦峰. 集装箱船导管鳍节能效果数值评估方法与节能机理研究[J]. 船舶, 2026, 37(02): 11-24.

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Numerical Evaluation Method and Energy-Saving Mechanism of a Pre-Swirl Duct for a Container Ship

集装箱船导管鳍节能效果数值评估方法与节能机理研究

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