中冷回热燃气轮机仿真及控制策略初步探讨

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1、上海交通大学硕士学位论文中冷回热燃气轮机仿真及控制策略初步探讨姓名：黄育先申请学位级别：硕士专业：动力机械及工程指导教师：刘永文20070201RESERCHOFSIMULATIONANDDISCUSSIONOFCONTROLSTRATEGYOFTHEINTERCOOLEDRECUPERATEDGASTURBINEABSTRACTIntercooledRecuperated(ICR)gasturbinewhichisdevelopedfromsimplecyclegasturbineisacom

2、plexenginewhichisaddedbyintercoolerbetweenhighpressurecompressorandlowpressurecompressorandregeneratorinconduit.Ithasexcellentfuelcharacteristicsonallpowerrangewhichimprovetheeconomyinlowloadwhiledecreasingtheexhaustnoiseandtemperature.Withthedevelop

3、mentofmaterialtechnology,theICRtechnologyistakenattentionintheareaofshipandindustry.TheforeigncountryhasdevelopedWR-21gasturbinewhichisbasedonthistechnologyandithasbeenassembledonshipsasthemainpowerdeviceofmarinepropulsionsystem.Butthedomesticresearc

4、honthisaspectisnotwell-developed.Thereasonforcatchingtheadvancedgasturbinetechnologygivesthebirthofthispaper.Theintercoolerandregeneratorhavedifferentfunctionwhichhavegreatinfluenceondynamiccharacter.Buttheresearchonthoseisnotintensiveespeciallythevo

5、lumeinertia.Theauthorproposestoregardheatexchangerasvolumeunitsandresistiveunitsinseries.Onbaseofthat,ordinarydifferentialequationcanbeusedtodescribethefluidityinsteadofpartialdifferentialequation.Theinfluenceofcompressibility,mutativepropertyandmuta

6、tiveheat-exchangerparameterofworkingmediumhasbeendeepconsideredindisturbingparametermodelwhichhashighprecision.SimulationexperimenthasbeenmadeinEASY5anddetailanalysishasbeenperformedonsteadyanddynamicperformanceofheat-exchanger.Basedonthemodelpartiti

7、onprincipleandthestructureofgasturbine,thegasturbineisdividedbyphysicalinterfaceandsomenetmodelsuchaspurevolumemodelandpureresistivemodel.Onthebasisofindividualpartmodel,theauthorbuiltthenon-linearsimulationmodelofICRcycle.Meanwhile,theauthorrebuilts

8、omemarinegasturbineforICRchangeandmodularized-shortenedhigh-pressurecompressorandlow-pressurecompressorforbalancingtheinfluencefromthemassflowininletofhigh-pressurecompressorandmakingsurethereasonablerunningoflow-pressurecompressor.Makinguseofthesimu