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ID:30276475
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页数:7页
时间:2018-12-28
《1996 design and off-design performance of advanced mixed gas stream cycle power plants》由会员上传分享,免费在线阅读,更多相关内容在学术论文-天天文库。
1、DESIGNANDOFF-DESIGNPERFORMANCEOFADVANCEDMIXEDGAS-STEAMCYCLEPOWERPLANTSSergioCamporealeDept.ofMechanicsofFluidsandOffshoreEngineering,UniversityofReggioCalabria,viaE.Cuzzocrea,48ReggioCalabria,89128ItalyTel.39-965-875234-Fax.39-965-875201Bernard0FortunatolstitutodiMacchineedEn
2、ergetica,PolitecnicodiBariviaReDavid200,Bari70125ItalyTel.39-80-5460223-Fax.39-80-5460411ABSTRACTIntheclassofenginesupto50MWanewenginespecificallyMixedgas-steamcyclehavebeenproposedtoincreaseefficiencydesignedforanenhancedcycledoesnotappeareconomicallyandspecificworkofgasturb
3、ineengines.feasible.TheenhancedcyclehastobeoriginatingfromabaseThesecyclesallowtorecoverexhaustheatforre-usewithintheenginewithalimitednumberofmodifications.Thereforethegasturbineplantandareanattractivealternativetocombinedresultsofthethermodynamicanalysiscannotbeusedasstarti
4、ngcyclesforsmallandmiddlerangeindustrialpowerplants.pointtothedesignbutamethodologyofoptimisationofthebaseThermodynamicstudiesaboutthecombineduseofwaterengineistobestated.Inthepresentpaperthefollowinginjection,steaminjection,recuperation,intercoolingandmodificationsareconside
5、red:aftercoolinghaveshowntoofferthepotentialtoefficiencyand-theinsertionofheatexchangerormixerbetweenithespecificpowerimprovement.compressoroutletandthecombustorinlet;Theaimofthisworkistoinvestigateaboutplantsobtainedby-injectionofwaterorsteamalongthegascycle;theup-gradingofa
6、simplecycleaeroderivativegasturbine-modificationofturbinevanestoaccommodatetothelargerenginewithadditionaldevicesandalimitednumberofflowrates;modificationsofthebaseengine.-modificationorsubstitutionofthepowerturbineinordertoThefollowingplantconfigurationsareconsideredandcompa
7、red:makeitabletousethelargerexpansionpressureratio.-recuperativewaterinjectedgasturbine(RWI)withaftercoolingIntercooling,thatisapossiblemodificationwhenthecompressorandeconomisertopreheatthewatertobeinjected;issplittedintwoparts,isnotconsideredinthiswork.-steaminjectedgasturb
8、ine(STIG).Inthepapertheprocedureofthedevicesdesignfortheenhancedcycl
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