Page 56 - 2024年第55卷第2期
P. 56

266,343.
                [23] 刘吉超,陈阳舟.基于 GA - PSO混合优化 的 BPNN车 速 预 测 方 法 [J].交 通 运 输 系 统 工 程 与 信 息,2017,
                      17(6):40 - 47.
                [24] 黎明,揭丽琳,鲁宇 明.粒 子 群 与 多 种 群 元 胞 遗 传 混 合 优 化 算 法 [J].模 式 识 别 与 人 工 智 能,2012,25
                       (4):610 - 616.
                [25] SHIH TH,LIOUW W,SHABBIR A,etal.A neweddyviscositymodelforhighReynoldsnumberturbulent
                       flows[J].Computers& Fluids,1995,24(3):227 - 238.
                [26] MANNINENM,TAIVASSALOV,KALLIOS.OnThemixtureModelforMultiphaseFlow[R].VTTPublications
                      288 ,TechnicalResearchCentreofFinland.1996.
                [27] YAKHOTV,ORSZAGSA.Renormalizationgroupanalysisofturbulence:basictheory[J].JournalofScientific
                       Computing ,1986,1(1):3 - 51.
                [28] 王苗,李琳,杨海华,等.梭锥管混浊流体分离装置水沙两相流数值模拟 [J].水 动 力 学 研 究 与 进 展 (A
                       辑),2013,28(3):291 - 298.
                [29] CAIDJ,SHUQ,XUBQ,etal.Orthogonaltestdesignforopti - mizationoftheextractionofIlavonidfrom the
                       fructusgardenia [J].BiomedicalandEnvironmentalSciences,2011,24(6):688 - 693.



                              Multi - objectiveoptimizationstudyofflowfieldcharacteristicsin
                                        forwardintakestructureofpumpingstation

                                                                     3
                                                                                 2
                                                                                               2
                                                    2
                                    1,2
                         XUCundong ,HUXiaomeng,WANGRongrong,WANGXin,TIANJunjiao
                               (1.ZhejiangUniversityofWaterResourcesandElectricPower,Hangzhou 310018,China;
                    2.SchoolofWaterConservancy,NorthChinaUniversityofWaterResourcesandElectricPower,Zhengzhou 450046,China;
                              3.SchoolofCivilEngineeringandArchitecture,HenanUniversity,Kaifeng 475004,China)
                  Abstract:Toimprovethestabilityoftheflowfieldintheintakestructureofthesand - ladenpumpingstationinthe
                  YellowRiverIrrigationDistrict,thedesignparametersoftheintakestructureoftheprototypepumpingstation(be
                  foresedimentdeposition )arecoupled,andsynergisticallyoptimized.A typicalpositiveinletpumpingstationin
                  JingdianirrigationareaofGansuProvinceisselectedastheresearchobject ,theflowfieldcharacteristicsevaluation
                  indexesandinletstructuredesignparametersaredetermined ,thePSO - BPNN - MIGAcoupledoptimizationmodel
                  isconstructedbasedonsimulationintelligentalgorithm (PSO - BPNN)andmulti - islandgeneticalgorithm (MI
                  GA ),andtheoptimalsolutionisoptimizedbyRealizablek - εturbulencemodelcoupledwiththeinter - phaseslip
                  consideration.TheoptimalsolutionissimulatedbytheRealizableturbulencemodelcoupledwiththeMixturemulti
                  phaseflowmodelconsideringtheinterphaseslip.Theoptimaldesignscheme (OPT)obtainedfromthecoupledop
                  timizationmodelis :diffusionangleθ = 26.30° ,totalwidthB= 26.46m ,bottom longitudinalslopei = 1∶2.3 ,
                                                       =
                  overhangheightC = 1.05m ,inundationdepthh s 1.38m ,backwalldistanceT = 0.57m ;thedeviationratesof
                  thepredictedandcalculatedvaluesoftheOPTschemeevaluationindexesarewithin10.00%.Thereisnoobvious
                  vortexbackflowareaintheinletstructureofthepumpingstationunderOPTscheme,andthesedimentsiltationin
                  tensityandsiltationrangearesignificantlyreduced ,theflowvelocityissmallerandtheflowlineismoreuniform.
                  Theoptimizationmodelismorereliableinthecoordinatedoptimizationoftheprototypeintakestructureofthepum
                  pingstation ,andcanrealizetheglobalcontinuousoptimizationintheparameterinterval,andtheoveralloptimiza
                  tioneffectoftheobtainedoptimalschemeisgood.Theresearchideasandmethodsproposedinthispapercanpro
                  videreferencemethodsforthecollaborativeoptimizationofsimilarpumpingstationengineeringdesignparameters
                  coupling.
                  Keywords:forwardintakestructure;flowfieldcharacteristics;PSO - BPNNalgorithm;MIGAalgorithm;multi -
                  objectiveoptimization ;numericalsimulation


                                                                                    (责任编辑:王 婧)




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