氢燃料电池空压机转速轴模态分析-豆柴文库

您所在位置：网站首页 / 氢燃料电池空压机转速轴模态分析.docx / 文档详情

在线预览结束，喜欢就下载吧，查找使用更方便

5 金币

下载文档

/ 2

下载提示

如果您无法下载资料，请参考说明：

1、部分资料下载需要金币，请确保您的账户上有足够的金币

2、已购买过的文档，再次下载不重复扣费

3、资料包下载后请先用软件解压，在使用对应软件打开

文本预览

氢燃料电池空压机转速轴模态分析
Title:ModalAnalysisoftheRotationalShaftinaHydrogenFuelCellAirCompressor
Abstract:
Hydrogenfuelcelltechnologyhasgainedsignificantinterestinrecentyearsasapotentialsustainableenergysource.Onecriticalcomponentinahydrogenfuelcellsystemistheaircompressor,whichisresponsibleforsupplyingtherequiredamountofairtothefuelcells.Inthispaper,wepresentamodalanalysisoftherotationalshaftofahydrogenfuelcellaircompressor,aimingtounderstandthedynamiccharacteristicsandpotentialmodesofvibrationexhibitedbythesystem.Theresultsofthisstudycanprovidevaluableinsightsintothedesignandoptimizationofhydrogenfuelcellaircompressors,leadingtoimprovedperformanceanddurability.
1.Introduction
Hydrogenfuelcelltechnologyhasemergedasapromisingalternativetotraditionalenergysourcesduetoitsefficiencyandenvironmentalbenefits.Theaircompressorplaysacrucialroleinahydrogenfuelcellsystembysupplyingasufficientamountofairtothefuelcellstackforthechemicalreactiontooccur.Understandingthemodalcharacteristicsoftheaircompressor'srotationalshaftisessentialforensuringitsstableandreliableoperation.Inthispaper,weinvestigatethemodalpropertiesoftherotationalshaftinahydrogenfuelcellaircompressorusingmodalanalysistechniques.
2.TheoreticalBackground
2.1HydrogenFuelCellAirCompressor
Thissectionprovidesabriefoverviewofthemaincomponentsandworkingprinciplesofahydrogenfuelcellaircompressor,emphasizingitsroleinthefuelcellsystem.
2.2ModalAnalysis
Modalanalysisisawidelyusedtechniquetodeterminethenaturalfrequencies,modeshapes,anddampingfactorsofastructure.Thissectionexplainsthetheoryandmathematicaltoolsusedinmodalanalysisanditsapplicationtorotationalsystems.
3.Methodology
3.1ExperimentalSetup
Theexperimentalsetupusedformodalanalysisoftherotationalshaftinthehydrogenfuelcellaircompressorisdescribedinthissection.Itincludestheinstrumentation,dataacquisitionsystem,andtestprocedures.
3.2ModalParameterIdentification
Modalparameteridentificationtechniques,suchasthefrequencydomainandtime-domainanalysismethods,areemployedtoidentifythena