中英文翻译--频谱分析在转子动平衡中的应用-精品

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1、.本科毕业论文（设计）相关中英文翻译资料资料题目：频谱分析在转子动平衡中的应用学生姓名：所在院系：机电学院所学专业：机电技术教育指导老师：..APPLICATIONOFFREQUENCYSPECTRUMANALYSISINTHEROTATORMOVINGEQUILIBRIUMABSTRACTTheexperimentalequipmentisdevelopedtosimulatetherotatorvibration.Therunningstateofmachineissimulatedbyusingdifferentrunningconditions.Thevibrationca

2、usedbynon-equilibriummassisanalyzedanddiscussedforfirstorderwithfocusload.Theeffectivemethodisfoundoutbyusingfrequencyspectrumanalysis.INTRODUCTIONIntheconventionalislandofnuclearpowerplant,turbinegeneratorsetisaveryimportantequipmentinwhichthecorethermalenergyistransferredintoelectricenergy.W

3、hentheturbinegeneratorsethasrunforlongtime,theoriginalequilibriumofsystemwouldbeupsetbecauseoftheremnantdeformedofthemetal,abrasionordamagingofthecomponentsetc.Asaresult,thevibrationwillbeincreased.Soitisnecessarytoadjusttheequilibriumatspot.Ontheotherhand,alargeturbinegeneratorsetalsoneedsthe

4、workforadjustingtheequilibriumintheprocessofmanufacture,debugging,installationandoperation.Themovingequilibriumtechniqueatspotisanimportantmeanstoeliminatetheviolentvibrationoftheturbinegeneratorset.Wecouldhaveadefinitelyviewforthevibrationtype,vibrationpowersourceandvibrationpropertybyanalyzi

5、ngthevibrationoftheturbinegeneratorsetordoingsomespecialexperiment.Whenthevibrationsignalisobtained,thefrequencyspectrumcouldbeusedtoanalysisthevibrationsignalinordertodiagnosequickly.Usingfrequencyspectrumanalysis,theelectricalsignalofvibrationthatisobtainedbythevibrationsensorandhasawidefreq

6、uencyrangewillbedecomposedintoseveralmainfrequencycompositions.Differentfrequencycompositionshavedifferentinfluenceontheturbinegeneratorset.Thefrequencyspectrumanalysisisaveryusefulmethodtostudythevibrationofturbinegeneratorset.Thevibrationcausedbyrotatormassnon-equilibriumwithconcentratedload

7、isdiscussedandanalyzedinthispaper.Andaneffectivemethodtopreventthevibrationispresentedbyusingfrequencyspectrumanalysis.1EXPERIMENTALEQUIPMENTTheexperimentalsystemconsistsofthemotor,shaftcouplingandrotoretc..Itsstructureisverysimple.Ther