新型循環(huán)直燃機性能研究.pdf

1、I麗翊I⑧天畢大薯博士學(xué)位論文■■mⅢ㈣㈣■●l一一級學(xué)科：盤基生學(xué)科專業(yè)：建氳拄盎整主作者姓名：址理童指導(dǎo)教師：途出盤熬擐由堂撞熬撞I墻^嚳蕊索哇睦2004年12月ABSTRACTNaturalgasisrichintheglobalreserveforthecleanestener窯y，andtheglobalenergyexpeRsfullyrealizethatitwillbecomethe21stcenturyenergyTh

2、evariouscountries’energystructurewillrevolvethenaturalgastomake也egreatchangethisnotonlywillbegreatlyadvantageoustotheglobalenvironment，moreoverdirectfiredabsorptionchilleralSOwillhavethestrongercompetitiveabiLityintheair

3、conditioningapplicationDirect—firedabsorptionchillerisfueledbynaturalgasoroilSOtheexhaustheatisinexistencebytheheatenergyformTheternperatureofdischargesflameisabout200℃，ifusingheatrecoverytechnologytogetusefulhemforabsor

4、ptionchiller’Sheatsource，throughtherefrigerationcycletoachievethegoalofrefrigeration，itwillbeaneffectivewayofutilizingthewasteheatT11isresearchattemptstostartfromOurcountry’senergystructurecharacteristicrealitymakesomeim

5、provementtotheexistingdirect—firedabsorptionrefrigerationcycle，andfinallymakeaprototypemachine，whichisbasedontheexistingtechnologyandconformstothemarketrequestofenergyconservationandenvironmentalprotectionThebasicresearc

6、hmentali“istoconductthecycleoptimizationresearchthroughthecomputersimulationof：①seriessolutioncyclewithexhaustheatrecoverygeneratorfweaksolutiongoingintohighpressuregeneratorfirst)(動parallelsolutioncyclewithexhaustheatre

7、covery(weaksolutionseparatingeachotheraftergoingthroughthelowtemperatureheatexchanger)⑧parallelsolutioncyclewithexhaustheatrecovery(weaksolutionseparatingeachotherbeforegoingintothelowtemperatureheatexchanger)Thenaccordi

8、ngtocomputersimulationresults，choosesonekindoftypicalabsorptioncyclewiththeheatrecoverygenerator、carriesouttheunitdesigncalculationandmakestheprototype；finallycarries013theexperimentsystemdesignandtheexperimenttests，obta

9、insthecorrelationempiricaldataandcarriesoutthedataprocessingandtheperformanceanalysisInthisthesisinnovationmairdymanifestin：n)Thenewconceptoffourkindofabsorptioncyclemodelwiththeheatrecoverygeneratorwhichisaboldattemptan

10、dthebeneficialsupplementottheabsorptioncycleresearch；f21Forthefirsttimeconductedthecomputersimulationresearchonthepefformanceofthreeabsorptioncycleswiththeheatrecoverygeneratorcirculation、obtainedtherelationsofsteampropo