螺旋桨水动力对电力推进轴系校中特性的影响研究赖国军1，姜忠龙1，刘金林2a，马锐锋2b，曾凡明2a（1.中国人民解放军92116部队4分队，辽宁葫芦岛125003；2.海军工程大学a.动力工程学院；b.舰船综合电力技术国防科技重点实验室，武汉430033）摘要：船舶推进轴系的校中质量是影响其安全、稳定和可持续运行的主要因素之一。现阶段用于指导工程实践的轴系校中方法大多为静态校中，如按直线校中、合理校中、轴承位置双向优化校中等。而动态校中尚处于理论研究阶段，鲜有人研究在船舶运行过程中螺旋桨水动力对轴系校中状态参数的影响。本文以某电力推进轴系为对象，通过建立该艇的桨-轴-艇体及其周围水域的三维模型，计算该艇在额定工况下运行时的螺旋桨水动力，并对比研究分析水动力对该轴系校中状态参数的影响。研究结果可为预测轴系运行动态参数和后续的轴系优化改型提供一定的参考。关键词：轴系校中；水动力；运行动态参数；优化改型中图分类号：U661.44文献标识码：Adoi:10.3969/j.issn.1007-7294.2023.02.013InfluenceofpropellerhydrodynamicforceonalignmentcharacteristicsofamotordrivingshaftingsystemLAIGuo-jun1,JIANGZhong-long1,LIUJin-lin2a,MARui-feng2b,ZENGFan-ming2a(1.Branch4ofUnit92116ofPLA,Huludao125003,China;2a.CollegeofPowerEngineering;b.NationalKeyLaboratoryofScienceandTechnologyonVesselIntegratedPowerSystem,NavalUniversityofEngineering,Wuhan430033,China)Abstract:Thealignmentqualityofashippropulsionshaftingsystemisoneofthemainfactorsaffectingitssafe,stableandsustainableoperation.Atpresent,theshaftingalignmentmethodsusedtoguideengineeringpracticearemostlystaticalignment,suchaslinearalignment,reasonablealignment,andbidirectionaloptimi⁃zationalignmentofbearingposition.However,thedynamicalignmentisstillinthestageoftheoreticalre⁃search,andfewpeoplehavestudiedtheinfluenceofpropellerhydrodynamicforceonshaftingalignmentstateparametersduringshipoperation.Inthispaper,amotordrivingshaftingsystemwastakenasthestudyobject,thethree-dimensionalmodelsofpropeller-shafting-hullmodelanditssurroundingwatersoftheshipwereestablishedtocalculatethepropellerhydrodynamicforceoftheshipunderratedworkingconditions,andtheinfluenceoftheforceontheshaftingalignment...
