基金项目:西安石油大学创新与实践能力项目基金(编号:YSC22121016)收稿日期:2022-11-09井下涡轮发电机叶片结构参数匹配分析*席文奎,贾超,孙东鑫,王科强(西安石油大学机械工程学院,西安710065)摘要:针对小井眼钻井技术井下仪器稳定的供电需求,设计了一款磁耦合式井下涡轮发电机。同时对涡导轮叶片结构参数进行了设计。为提高涡轮发电机的工作性能,对涡轮发电机涡导轮叶片结构参数进行研究设计优化。采用数值模拟分析方法,建立基本模型结构参数和流域划分模型。在转速2000r/min、流速15L/s情况下,通过单因素模拟实验,对叶片的单一参数进行了提取分析;通过响应曲面法基于Box-Behnken设计试验,对涡导轮叶片参数进行优化。研究分析表明:在转速和流量一定的情况下,通过单因素以及响应曲面法得到的叶片结构参数组合,其效率明显改善。关键词:井下发电机;涡导轮;单因素实验;响应曲面法;参数优化中图分类号:TE931文献标志码:A文章编号:1009-9492(2023)02-0090-03MatchingAnalysisofStructuralParametersofUndergroundTurbineGeneratorBladesXiWenkui,JiaChao,SunDongxin,WangKeqiang(SchoolofMechanicalEngineering,Xi´anShiyouUniversity,Xi´an710065,China)Abstract:Amagneticcouplingdownholeturbinegeneratorwasdesignedtomeetthestablepowersupplydemandofdownholeinstrumentsinslimholedrillingtechnology.Atthesametime,thestructuralparametersoftheturbineguidevaneweredesigned.Inordertoimprovetheworkingperformanceofturbinegenerator,thestructuralparametersofturbinestatorbladesofturbinegeneratorwerestudiedandoptimized.Thebasicmodelstructureparametersandwatersheddivisionmodelwereestablishedbyusingnumericalsimulationanalysismethod.Atthespeedof2000r/minandtheflowrateof15L/s,asingleparameterofthebladewasextractedandanalyzedthroughasinglefactorsimulationexperiment.BasedonBox-Behnkendesigntest,theparametersofturbineguidevanewereoptimizedbyresponsesurfacemethod.Theresearchandanalysisshowthattheefficiencyofthecombinationofbladestructureparametersobtainedbysinglefactorandresponsesurfacemethodissignificantlyimprovedwhenthespeedandflowratearefixed.Keywords:undergroundgenerator;vortexguidewheel;singlefactorexperiment;responsesurfacemethod;param...