logoxgvb
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 Posted: Sun 3:37, 08 May 2011 Post subject: mulberry tasker Leaves based on modal theory of dy |
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,[link widoczny dla zalogowanych]
Based on modal theory calculation of Blade Dynamic Frequency
ChengYehPrecictionofrota [ingblademodesfromllleasuredstaticmodalparame * ersTransactionoftheAE, JournalofVibrat: onandA-COH ~ tics. 1991} ll3 (5) · 44l a 4d73 Yang Jingyi . Wang Xinyi . Experimental modal analysis . Beijing: Beijing Institute of Technology Press ,[link widoczny dla zalogowanych], 19904 turn on the kinetic theory Zhang , Beijing: Science Press. 【 99 (15 [rretierHNumericalanalysisoftransientresponselr) bla 【 1edvnami3 ~ InternationalConfr Ⅲ 0nVlf] r1tion; nRotatingMachinery. 1984: C32O/84 · 255-2676 Luozhao Ting . Zhang Qi . Modal analysis in turbine blade vibration measurement . Turbine Technology , 1996; 33 (3): l A 77 Hu Deming . Wang Jian . Turbine blade static and dynamic frequency and mode of numerical calculation . Turbine Technology , 199t,[link widoczny dla zalogowanych], 33 (3): jO-jAModalMethodfortheCalculationofBladeDynamicFrequency'YangdiangangHuanglBaohua (NationalEngineeringResearchCenterofTurboGeneratorVibrationAbstractThesafeandrebabteoperationof_llargeturbogeneratorunitisdirectlyinfluencedbythebladevibrationcharac-teristicsoftheturboThedistributionofbladedynamicfrequenciesunderrotationconditionisallimportantfactorthatmustbeconsideredduringthedesignstageandfaultdiagnosisAne ~,[link widoczny dla zalogowanych], vmethod {orthecalculationofbladedynamicfrequenciesispre, entedinthispaper.ThedynamicequationofthebladeinoperationstateisreconstructedbasedonthestaticblademodalparametersThedynamicfrequeniesaresolvedfromtheequation.Thebladeradiustolengthratio · settingangie,[link widoczny dla zalogowanych], altitudeangle.couplingbetweentwovibrationdirectionsandcouplingbetweendifferentmodescanbeconsideredinthenewmodelAnothernewmethodforthecalculation0fbladedynamicfrequencycoefficientsisalsopresented.ExampleintheendofthepapershowsthattheaccuracyisimprovedbythenewmethodKeywords: blade; vibration {strength: turbogeneratorunit first author PROCEEDINGS Male . PhD . Associate Professor , January 1970 students. Phone : (025) 3792525-8000; E-mail: [link widoczny dla zalogowanych] № which
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