Root Cause Investigation of a Nonphysical Solution of a Time Domain Harmonic Balance Solver
文档名：Root Cause Investigation of a Nonphysical Solution of a Time Domain Harmonic Balance Solver
Abstract：Thetimedomainharmonicbalancemethodisanattractivereducedordermethodofanalyzingunsteadyflowforturbomachines.However,themethodcanadmitnon-physicalsolutions.Non-physicalsolutionswereencounteredfromathree-blade-rowcompressorconfigurationinatimedomainharmonicbalanceanalysis.Thispaperaimstoinvestigatetherootcauseofthenon-physicalsolutions.Theinvestigationinvolvesseveralstrategies,whichincludeincreasingthenumberofharmonics,increasingthenumberoftimeinstants,includingscatteredmodes,includingtherotor-rotorinteraction,andtheuseofanewmethod-theapproximatetimedomainnonlinearharmonicmethod.Numericalanalysespertinenttoeachstrategyarepresentedtorevealtherootcauseofthenon-physicalsolution.Itisfoundthatthenonlinearinteractionofunsteadyflowcomponentswithdifferentfundamentalfrequenciesisthecauseofthenon-physicalsolution.Thenon-physicalsolutioncanbeeliminatedbyincorporatingextrascatteredmodesorusingtheapproximatetimedomainnonlinearharmonicmethod.
作者：SenZhang Ding-xiWang Author：SenZhang Ding-xiWang
作者单位：SchoolofPowerandEnergy,NorthwesternPolytechnicalUniversitySchoolofPowerandEnergy,NorthwesternPolytechnicalUniversity;ShaanxiKeyLaboratoryofInternalAerodynamicsinAero-engines,NorthwesternPolytechnicalUniversity
刊名：风机技术
Journal：Compressor,Blower&FanTechnology
年，卷(期)：2024, 66(2)
分类号：
Keywords：TheTimeDomainHarmonicBalanceMethodNon-physicalSolutionTurbomachineryBladeRowInteraction
机标分类号：R766TQ325.8O189.1
在线出版日期：2024年5月21日
基金项目：RootCauseInvestigationofaNon-physicalSolutionofaTimeDomainHarmonicBalanceSolver[
期刊论文]风机技术--2024, 66(2)SenZhangDing-xiWangThetimedomainharmonicbalancemethodisanattractivereducedordermethodofanalyzingunsteadyflowforturbomachines.However,themethodcanadmitnon-physicalsolutions.Non-physicalsolutionswer...参考文献和引证文献
参考文献
引证文献
本文读者也读过
相似文献
相关博文
Root Cause Investigation of a Non-physical Solution of a Time Domain Harmonic Balance Solver
Root Cause Investigation of a Non-physical Solution of a Time Domain Harmonic Balance Solver.pdf
页:
[1]