船舶柴油機(jī)渦輪增壓器配合及計算機(jī)仿真研究.pdf

1、武漢理工大學(xué)碩士學(xué)位論文船舶柴油機(jī)渦輪增壓器配合及計算機(jī)仿真研究姓名：申小明申請學(xué)位級別：碩士專業(yè)：輪機(jī)工程指導(dǎo)教師：周瑞平20080501武漢理工大學(xué)碩士學(xué)位論文AbstractWiththecontinuousdevelopmentofcomputertechnique，computersimulationhasbeenapowerfultooltotheturbochargedieselengineoperationalperfo

2、rmanceresearchTheturboehargedieseleagirteisatypicalcomplexpowerplantofmultisysteIIlandmulti1evel，therealeanumberoffactorsinfluencingtheturboehargesystemofthedieselengineinoperation，manyfactorsfileinterrelatedandinteracti

3、onalInthispaperthemarinedieselengine8L23／30is鶴thesimulationobjecttoexploritsoperationalperformancealargeamountofsimulationandealeaulationhasbeendoneforthethermodynamiecycleFirstlyitexpatiatesthebasicperformancesofaircomp

4、ressorandturbineandintroducesthenumericalshowofaircompressormapandturbinemapOnthemethodofgridandanalysis，thenmakesaMathematicalModelforthematchingbetweenturbochargeranddieselSecondlybasedontheAVLBOOSTwedividetheturbochar

5、gedieselengineintofiveindependentsubsystemsincludingthecylinder，theexhaustduct，theintakeduct，theexhaustgasturbochargerandthecooler，combinedwiththeactualprocessofthefourstrokedieselmainengine，useidealsimulationalgorithmab

6、outitsmathematicalmodelincludingthecombustionmodel，theintakeandexhaustmodel，theexhaustduetmodel，theexhaustgasturbochargermodel，thecoolermodelandSOon，repeatedlydebuggingandthengainthereasonablycorrectcompletemachinesimula

7、tionmodelFinallyapplyingthecompletemachinesimulationmodel，largelysimulatingandcalculatingitsthermodynamiccyclefromthepartofthefaultswhichimpactingtheturbochargesystemoperationincludingthecoolerairsideblocking，thecoolerco

8、olingcapacityworsen，theturbochargeefficiency，injectionsystemfaultleadingtaisetheexhausttemperature，theintakevalvesblocking，theexhaustvalvesblocking，theturbineexhaustresistance，Selltemperaturedescending，calculatingandanal