定位艏型自航绞吸船船首设钢桩台车定位系统，船底开槽会显著增加航行阻力。为了减小阻力，改善船舶快速性，对船底开槽进行优化设计。采用CFD方法，开展船模阻力试验数值验证；在此基础上，对比分析3种设计方案，包括常规开槽F1、钢桩开槽F2和开槽封盖F3，评估其阻力性能，研究开槽优化的减阻机理。结果表明，在设计航速处，相对于F1、F2的总阻力降低了15.48%，F3降低了28.55%，封盖的主要作用是抑制了开槽内部水流运动，减小船体剩余阻力。研究结果对同类船型的减阻方案具有一定的参考价值。
Slot opening is taken to arrange Spud Carrier system fore for Self-propelled CSD with positioning-Type bow, which will lead to significant resistance increasing in navigation. In order to reduce hull resistance and improve speed performance, slot opening is designed and optimized. CFD method is adopted, which has been validated and verified by model resistance test. On the basis, resistance of hull and water motion in slot opening are analyzed and compared for three design plans, including conventional slot opening i.e. F1, slot opening for Spud carrier i.e. F2, and cover on opening i.e. F3. The results show that the total resistance of F2 is reduced by 15.48% comparing with F1, while F3 reduced by 28.55% at design speed, The main function of cover is to suppress water motion in slot opening, thereby dominantly decrease residual resistance of hull. The results is of great reference to resistance reducing method for similar ships.
2025,47(11): 54-60 收稿日期：2024-8-30
DOI：10.3404/j.issn.1672-7649.2025.11.010
分类号：U674.31
基金项目：中央高校基本科研业务费专项资金资助项目
作者简介：余欣(1989-),男,硕士,工程师,研究方向为船舶总体设计与水动力
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