不同航速域下散货船船体线型阻力优化设计研究

打开文本图片集

中图分类号：U662.2 文献标识码：A 文章编号：1006-8228（2026）01-63-05

Abstract：Bulkcarrersfacedynamicspeedchangesundermultipleoperatingconditions，andtraditionaloptimizationbasedona singleesignspeedstruglestomeetfulllifecycledemands.Totacklethisthispaperestablishesahullformresistance optimizationmethodologyforbulkcariersacrossmultiplespeedrangesByconstructingaweightedcomprehensiveresistance objective functionandusingCFDnumericalsimulations forsystematicanalysisof thethreeconditions （low-spedregime Fr=0.12 design-speed regime Fr=0.18 ，high-speed regime Fr=0.22 ），theweighted coefficient determination method driven by AIS real-ship dataandtheKriging-GAintegratedoptimizationstrategyareadoptedtoenableeficientglobaloptimizationoftheshipfom（or Hull Lines）parameters，achievinga 96% improvement in computational efficiency compared to traditional methods.Results show 8.3% 12.1% ，and 9.7% total resistance reductions for the optimized hull form across the three speed regimes，with a 10.5% drop in annual comprehensive fuel consumption and an 8.2% reduction in carbon emissions，validating the multi-condition adaptive optimization method's effectiveness and engineering application value.

Keywords：BulkCarriers;；MultipleSpeedRanges;；HullLines；ResistanceOptimization;CFDNumerical Simulation

0引言

散货船是国际干散货运输主力船型，其能效水平直接影响运输经济效益与碳排放控制效果，实船运营数据显示，散货船因货载状态与航线规划及海况条件的差异，实际航速在10一16节范围内频繁波动；压载航行与满载运输的速度分布呈现显著差异。（剩余5629字）