船舶軸系縱向減振器性能研究.pdf

1、華中科技大學碩士學位論文船舶軸系縱向減振器性能研究姓名：馬磊申請學位級別：碩士專業(yè)：動力工程指導教師：蔣炎坤201105華中科技大學碩士學位論文IIAbstractShaftingvibrationisoneofthekeyproblemswhendesigningshipshaft.Shaftingvibrationsubstantiallyaffectsthesafetyreliabilityofshipshaft.Theaxial

2、vibrationofshaftinghasbeenoneofthehotspotresearches.Theaxialvibrationofshaftingismainlycausedbytheverticalpulsepower.Severeresonanceismaybecausedbyverticalvibration.Ontheonehthevibrationcanbespreadtoshiphullneartothethru

3、stbearingdoingharmtotheships.Ontheotherhthereliabilityoftheelasticjointswillbeaffectedevenifthrustbearingwillbefrayedseverelyburnedoutfever.Therefethroughoutthestudyofshaftlongitudinalvibrationthisstudyputsfwardaseriesof

4、vibrationreductionmeasuresdesignsaresonancechangerfoneshafting.Majcontributionsareasfollows:Basicresearchofshaftingverticalvibration:Finiteelementmethodisedfashafteffectivecalculationmethodbystudyingvariouscalculationmet

5、hodsofshipshaftvibration.thecriticalaxialspeedofshipshaftisacquiredthroughtheanalysisofshaftsystembyusingANSYS.Thedesignofresonancechanger:Theprincipleofdynamicvibrationabsberisstudied.ThemodelsofdynamictuningdampingReso

6、nanceChangeraredesignedaccdingtotheshaftstructuredatabyusingProE.Theoptimizationofresonancechanger:TheshaftisasfsingledegreeoffreedomlinearsystembyusingthemethodofDynamictunedvibrationreductiontheytheResonancechangerisop

7、timaldesignedaccdingtothevibrationdata.TheeffectanalysisofResonancechanger:ThispaperdoesacalculationstudyftheshaftingwhichisaddedtheResonancechangertheeffectsonvibrationsuppression.ThroughtheresearchwkinthisstudyakindofR