不同转子简介

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1、BriefIntroductionToDifferentTypesOfTurbineRotorsReadmore:http://www.articlesnatch.com/Article/Brief-Introduction-To-Different-Types-Of-Turbine-Rotors--/1011429#ixzz13o4e9E6oUnderCreativeCommonsLicense:AttributionNoDerivativesBriefIntroductionToDifferentTypesOfTurbineRotorsReadmore:http:/

2、/www.articlesnatch.com/Article/Brief-Introduction-To-Different-Types-Of-Turbine-Rotors--/1011429#ixzz13o4e9E6oUnderCreativeCommonsLicense:AttributionNoDerivativesBriefIntroductionToDifferentTypesOfTurbineRotorsReadmore:http://www.articlesnatch.com/Article/Brief-Introduction-To-Different-

3、Types-Of-Turbine-Rotors--/1011429#ixzz13o4e9E6oUnderCreativeCommonsLicense:AttributionNoDerivativesBriefIntroductionToDifferentTypesOfTurbineRotorsTheoryofoperationTurbinesimpulseAworkingfluidcontainspotentialenergy(forcehead)andkineticenergy(speedhead).Thefluidmaybecompressibleorincompr

4、essible.Severalphysicalprinciplesareworkingbyturbinestocollectthisenergy.ImpulseturbinesTheseturbineschangethedirectionofflowofahighvelocityfluidorgasjet.Theresultingimpulsespinstheturbineandgrassthefluidflowwithdiminishedkineticenergy.Thereisnopressurechangeofthefluidorgasintheturbinero

5、torbladesasinthecaseofasteamorgasturbine,allthepressuredroptakesplaceinthemotionlessblades.createdbythenozzlepriortoreachingthebladingontherotor.Newton'ssecondlaBeforereachingtheturbine,thefluid'spressureheadischangedtovelocityheadbyacceleratingthefluidwithanozzle.Pelt-onwheelsanddeLaval

6、turbinesusethisprocessentirely.Impulseturbinesdonotrequireapressurecasementaroundtherotorsincethefluidjetiswdescribesthetransferofenergyforimpulseturbines.Typesofturbines*Steamturbines.areusedfortheproductionofelectricityinthermalpowerplants,suchasplantsusingcoalorfueloilornuclearpower.T

7、heywereonceusedtodirectlydrivemechanicaldevicessuchasships'propellersbutmainlysuchapplicationsnowusedecreasegearsoratransitionalelectricalstep,wheretheturbineisusedtogenerateelectricity,whichthenpowersanelectricmotorconnectedtothemechanicalload.Turboelectricshipmachineryw