Page 26 - 水利学报2025年第56卷第4期
P. 26

75 - 83.
                [13] THAPABS,THAPAB,DAHLHAUGO G.Currentresearchinhydraulicturbinesforhandlingsediments[J].
                       Energy,2012,47(1):62 - 69.
                [14] BAIDARB,CHITRAKARS,KOIRALAR,etal.SelectionofoptimalnumberofFrancisrunnerbladesforased
                       imentladenmicrohydropowerplantinNepal [J].InternationalJournalofFluidMachineryandSystems,2015,8
                       (4):294 - 303.
                [15] 廖姣,张文明,张兴.混流式水轮机改造前后转轮内固液两相流数值分析[J].水力发电,2017,43(5):
                      73 - 75.
                [16] KHANALK,NEOPANEH P,RAIS,etal.AmethodologyfordesigningFrancisrunnerbladetofindminimum
                       sedimenterosionusingCFD [J].RenewableEnergy,2016,87:307 - 316.
                [17] LAMAR,GAUTAM S,CHITRAKAR S,etal.ComparativenumericalanalysisbetweentwodesignsofFrancis
                       runnerbladesinsedimentaffectedconditions[J].JournalofPhysics: ConferenceSeries, 2019, 1266(1):
                      12009.
                [18] GAUTAM S,ACHARYAN,LAMAR,etal.NumericalandexperimentalinvestigationoferosivewearinFrancis
                       runnerbladeoptimizedforsedimentladenhydropowerprojectsinNepal [J].SustainableEnergyTechnologiesand
                       Assessments ,2022,51:101954.
                [19] AMSDENAA,BUTLERTD,O’ROURKEPJ.TheKIVA - Ⅱ computerprogram fortransientmultidimensional
                       chemicallyreactiveflowswithsprays [J].SAETransactions,1987,96:373 - 383.
                [20] GRANTG,TABAKOFFW.Erosionpredictioninturbomachineryresultingfrom environmentalsolidparticles[J].
                       JournalofAircraft ,2012,12(5):471 - 478.
                [21] ANSYS.ANSYSFluentTheoryGuide[M].Release14.5.Canonsburg:ANSYSInc.,2012.
                [22] 葛新峰,孙洁,李阳,等.冲击式 水 轮 机 喷 射 机 构 泥 沙 磨 损 特 性 的 数 值 模 拟 [J].水 利 学 报,2020,51
                       (12):1486 - 1494.
                [23] 张自超,李君,关婷月,等.基于反问题设计的离心泵叶轮泥沙磨损特性优化研究[J].水利学报,2023,
                      54(12):1452 - 1463.



                              Optimizeddesignoferosion - reducedbladesinaFrancisturbine

                                QIANZhongdong,ZHONGQinqin,ZENGXincheng,GUOZhiwei
                       (StateKeyLaboratoryofWaterResourcesEngineeringandManagement,WuhanUniversity,Wuhan 430072,China)


                  Abstract:ErosivedamageofFrancisturbineoperatedalongthesand - ladenriversisthekeypointinhydropower
                  development.Sandandflowfluidarethemainfactors,andmethodstoimprovetheflowfieldarethemaincontent.
                  Adaptingtheanglealongthebladeleadingedgeandtheinstallationangleisproposedbasedonthedesigntheoryof
                  turbinebladestoreshapethedamagedistribution.Theresultsshowthatreasonabledesignfortwoanglescanreduce
                  bladedamage ,andensureoperatingefficiency,butincreaseshrouddamage.Underthecombinationoftheangle
                                        
                  alongthebladeleadingedge θ = 0.2andtheinstallationangleindex x = 3 ,thebladedamagedecreasesbyamaxi
                                        0
                  mumof71%.Thereasonisthatduetoangleadjustments,thevortexaltersandthehittinglocationdeviates,re
                  sultinginerosivewearindifferentregions.Finally ,thedesignoptimizationofprotectingthebladesbysacrificing
                  theshroudismoreeffectiveinreducingmaintenancecostsandincreasingmaintenanceconvenience.
                  Keywords:Francisturbine;erosivedamage;anglealongthebladeleadingedge;installationangle;interblade
                  vortex


                                                                                    (责任编辑:王 婧)








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