Page 46 - 2023年第54卷第7期
P. 46

[22] 张晨滢,裴吉,袁寿其,等.管道泵作透平飞逸过渡过程内流特性分析[J].水动力学研究与进展(A辑),
                      2021,36(6):830 - 834.
                [23] SUNL,GUOP,LUOX.Numericalinvestigationoninter - bladecavitationvortexinaFranicsturbine[J].Re
                       newableEnergy,2020,158:64 - 74.
                [24] 孙龙刚,郭鹏程,郑小波,等.混流式水轮机叶道空化涡诱发高振幅压力脉动特性[J].农业工程学报,
                      2021,37(21):62 - 70.
                [25] 许哲,郑源,阚阚,等.基 于 熵 产 理 论 的 超 低 扬 程 双 向 卧 式 轴 流 泵 装 置 飞 逸 特 性 [J].农 业 工 程 学 报,
                      2021,37(17):49 - 57.
                [26] FENGJ,GEZ,ZHANG Y,etal.Numericalinvestigationoncharacteristicsoftransientprocessincentrifugal
                       pumpsduringpowerfailure[J].RenewableEnergy,2021,170:267 - 276.
                [27] KANK,ZHENGY,CHENH,etal.Numericalsimulationoftransientflowinashaftextensiontubularpump
                       unitduringrunawayprocesscausedbypowerfailure [J].RenewableEnergy,2020,154:1153 - 1164.
                [28] GUOL,LIUJT,WANGLQ,etal.Numericalanalysisonpumpturbinerunawaypoints[C]??IOPConference
                       Seroes :EarthandEnvironmentalScience.IOPPublishing,2012,15(4):042017.
                [29] HARGREAVESDM,WRIGHTNG.Ontheuseofthek - ωmodelincommercialCFDsoftwaretomodeltheneutralat
                       mosphericboundarylayer[J].JournalofWindEngineeringandIndustrialAerodynamics,1984,5(95):355 - 369.
                [30] MENTERFP.Two - equationeddy - viscosityturbulencemodelsforengineeringapplications[J].AIAA Journal,
                      1994,32(8):1598 - 1605.
                [31] 周佩剑,王福军,姚志峰.离心泵叶轮旋转失速团特性分析[J].水利学报,2015,46(9):1128 - 1134.
                [32] 孙龙刚,徐卓飞,郭鹏程,等.高水头混流式水轮机减负荷瞬态流动特性研究[J].水利学报,2022,53
                       (11):1369 - 1382.
                [33] 胡坤,李振北.ANSYSICEM CFD工程实例详解(CAE分析大系)[M].北京:人民邮电出版社,2014.
                [34] 王福军.计算流体动力学分析- CFD软件原理与应用[M].北京:清华大学出版社,2004.
                [35] 李颜雁,郭鹏程,孙龙刚,等.立柱对大型泵站前池和进水池流态影响的数值分析[J].排灌机械工程学
                       报,2021,39(9):929 - 936.
                [36] 孙龙刚,郭鹏程,罗兴!.基于不同涡识别准则的水轮机尾水管涡带形态识别研究[J].水动力学研究与
                       进展( A辑),2019,34(6):779 - 787.
                [37] LIUC,DUANZ,YANG Y,etal.Newomegavortexidentificationmethod[J].ScienceChinaPhysics,Me
                       chanics& Astronomy ,2016(59):1 - 9.
                [38] LIUC,GAOY,TIANS,etal.Rortex - Anewvortexvectordefinitionandvorticitytensorandvectordecomposi
                       tions [J].PhysicsofFluids,2018,30(3):035103.
                [39] WILHELM S,BALARACG,METAISO,etal.Analysisofheadlossesinaturbinedrafttubebymeansof3D
                       unsteadysimulations [J].FlowTurbulenceandCombustion,2016,97(4):1255 - 1280.
                [40] LUG,ZUOZ,SUNY,etal.Experimentalevidenceofcavitationinfluencesonthepositiveslopeonthepump
                       performancecurveofalowspecificspeedmodelpump - turbine[J].RenewableEnergy,2017,113:1539 - 1550.




                                Investigationontransientflowandenergydissipationduring
                                            runawayprocessinFrancisturbine
                                                                   1,2
                                                                                  1
                                                                                              1
                                                  1
                                   1
                          LIYanyan,SUNLonggang,GUOPengcheng ,FANWenrui,XUZhuofei
                      (1.SchoolofWaterResourcesandHydroelectricEngineering,Xi’anUniversityofTechnology,Xi’an 710048,China;
                    2.StateKeyLaboratoryofEco - hydraulicsinNorthwestAridRegion,Xi’anUniversityofTechnology,Xi’an 710048,China)
                  Abstract:Transienthydrauliccharacteristicssuchasflowseparation,vortexstructure,andhigh - amplitudepres
                  surepulsationwillappearinsidetheturbineandundergotherunawaytransitionprocess.Inordertoclarifythehy
                  drauliccharacteristicsoftheturbineduringtherunawayprocess ,alow - headFrancismodelturbineisusedasthe
                  researchsubjectinthispaper.Thetransientflowprocessfromratedspeedtorunawayspeedisnumericallystudied ,
                  andtherunawayspeedanddischargearedetermined.Theseresultsareingoodagreementwiththefindingsfromthe

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