2023年10月第44卷第10期推进技术JOURNALOFPROPULSIONTECHNOLOGYOct.2023Vol.44No.102207023-1桨径比对串列螺旋桨水动力性能的影响*严睿雄1,张怀新2,姚慧岚1(1.中国海洋大学工程学院,山东青岛266000;2.上海交通大学海洋工程国家重点实验室,上海200240)摘要:基于B系列和AU系列桨叶参数设计了22只不同桨径比的串列桨,采用数值方法进行性能研究,重点比较了后桨直径大和后桨直径小的串列桨的推力和效率,在此基础上探讨桨径比变化对串列桨性能的影响,最终从流场干扰角度对性能变化的原因进行分析。结果表明:后桨直径大的串列桨的推力和效率均优于后桨直径小的串列桨。在中小进速系数下,随着后桨直径增大,串列桨的效率先增大后减小,存在最佳值,而在大进速系数时,随着前桨径与后桨径比值的减小,效率逐渐提升。较小的前桨对后桨入流的不利干扰减少,是串列桨效率提高的根本原因。关键词:串列螺旋桨;桨径比;敞水性能;桨间干扰;数值模拟中图分类号:U661.31文献标识码:A文章编号:1001-4055(2023)10-2207023-13DOI:10.13675/j.cnki.tjjs.2207023EffectsofDiameterRatiosonHydrodynamicPerformanceofTandemPropellersYANRui-xiong1,ZHANGHuai-xin2,YAOHui-lan1(1.CollegeofEngineering,OceanUniversityofChina,Qingdao266000,China;2.StateKeyLaboratoryofOceanEngineering,ShanghaiJiaoTongUniversity,Shanghai200240,China)Abstract:BasedonBseriesandAUseriesbladeparameters,22tandempropellersofdifferentdiameterratiosweredesigned,andthehydrodynamicperformanceofthesepropellerswasinvestigatedbynumericalsimu‐lation.Then,thrustandefficiencyofthetandempropellerswithlageraftpropellerswerecomparedwiththetan‐dempropellerswithsmalleraftpropellers.Theinfluenceofdiameterratiosonhydrodynamicperformanceoftan‐dempropellerswasinvestigated.Andfinallythecauseofthisinfluencewasanalyzedfromtheperspectiveoftheflowfield.Resultsshowthattandempropellerswithlargeraftpropellershavethehigherthrustcoefficientandeffi‐ciencythanthosewithsmalleraftpropellers.Atalowormoderateadvancecoefficient,theopenwaterefficiencyincreasesandthendecreasesasthediameteroftheaftpropellerisenlarged,whichmeansthereexistsoptimumefficiency.Atahighadvancecoefficient,efficiencykeepsgr...