液化天然气汽车LNG冷量利用方式探讨

3LNG:,1978,;:(200030)243:13918212640E2mail:[e-mail]3().LNG.,2004;24(7):98101,(LNG),LNG,(LNGV),LNGV,LNG,LNGV;LNG2:,(0.351.5MPa),LNG,LNG,(LNGV)LNGLNG,LNG1,,LNG1LNGV1.LNG;2.;3.;4.;5.;6.;7.,,,,,,LNG130K300KLNGLNG97%,,,,1,,LNG,,:Ex=T0Ts-1r+TsT0cp1-T0TdT(1):Ex;T0;TsLNG;r;cp(1),LNG(2),LNGV,400600,873K,LNG,,LNG,4,LNGTs=111K8920047©1994-2006ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.=700K,LNGEx=4100kJ/kg,LNG14000kJ/kg,LNG2LNG:LNG,,,LNG,1.LNG,,,,,331.LNG;2.;3.;4.;5.;6.;7.;8.;9.;10.;11.;12.,,,4LNG(TS)4TS4,LNG,(),(,;),,,,4(,)12LNG,,;23LNG,,;3434a41(4a1),12,LNG,,LNG,:Wp=h1-h2(2):h1LNG1;h2LNG223LNG,LNG:q1=h3-h2(3)99247©1994-2006ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.:WT=RT3lnp3p4(4)34a,:WS=h3-h4(5)LNGEX=W/E(W),,::T=WT-WpEx(6):S=WS-WpEx(7),h-lgp2:,,LNG,h4a,;,h4,,;,,,,,(),,,2.,LNGVLNG,LNG5LNG,LNG,,,,,LNG,QR:QR=(ho-hi)m(8)51.LNG;2.;3.;4.;5.;6.;7.;8.;9.;10.QR=r+ToTicpdTm(9):hiLNG;hoLNG;mLNG;To;Ti,LNG100kW,LNG6g/s,34kW,:,,;,,,,;,,:(1),,(2)LNG,,,;,,,,(3),;,(4),00120047©1994-2006ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.(5),,,LNGLNG,:();4100kJ/kg,(77K,105Pa)837kJ/kg5,(,5MPa700K,300K0.3MPa)2210kJ/kg,,,,,,1,,.().:,19832,..:,19823OrdonezCA.Liquidnitrogenfueled,closedBraytoncyclecryogenichestengine.EnergyConversion&Management2000;41:3313414OrdonezCA.Cryogenicheatengine.AmJPhys,1996;64(4):4794815..,2002;(2):5461(2004203230)(97)2,LNG,,,1...19992,..,1999;(3)3..,1998;(4)4..,2002;(3)5..,2002;(1)6..,2001;(3)7MeyersDPetal.EvaluationofsixnaturalgascombustionsystemsforLNGlocomotiveapplications.SAEPaper,No.972967(2004203228)101247©1994-2006ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.:thedifferentrecoveringintervals,thein2fluenceofvariousstimulationjobs,themechanicfailures,theproductionvariationofcondensate,andtheformationpressuredropping,etc.Theproducedwatercoversmanykindsofwatermixtures.SUBJECTHEADINGS:Condensatefield,Hightempera2ture,Producedwater,Vapor,Performance,StudyHuiJian,bornin1978,isstudyingformasterdegree.Add:Nanchong,Sichuan(637001),ChinaTel:[phone]TECHNOLOGYANDAPPLICATIONOFNATU2RALGASLIQUEFACTION1)WangBaoqing(ShanghaiJiaotongUniversity).NATUR.GASIND.v.24,no.7,pp.9295,7/25/2004.(ISSN1000-0976;InChinese)ABSTRACT:Asforthetechnologyofnaturalgasliquefac2tion,thebasicstudyonproductionandutilizationofLNGisnotdeepenoughinChina.Theforeignpreliminarydesignorsoft2warepackagehastobeimportedforthedomesticexistingandbuildingLNGplants.Then,thedomesticdesigninstitutesjustcompletethematchingengineeringdesign.ThedomesticLNGindustryappearslate.Onlyare3plantsofnaturalgasliquefac2tionbuiltandputintooperationatpresent.Withdescribingthecascaderefrigerationtechnique,themixingrefrigerationtech2nique,andtheexpandingrefrigerationtechnique,theworkingprincipleoftheabove3LNGplantsisintroduced.Withresentworkexperience,engineeringpracticeanddomesticgasresourcedistribution,itisstressedthenecessitytospeedthetechnologystudyofnaturalgasliquefactionfacilitiessuitabletotheChinesecharacteristicsandincreasethestrengthandinvestmenttotherelatedapplicationtechniques.Also,theLNGmarketexpecta2tionispredicted.SUBJECTHEADINGS:China,Lowtemperature,LNG,LNGplant,Theory,Flow2sheet,Equipment,Market,Predic2tionWangBaoqing,bornin1974,isstudyingforhisMastersdegree.Add:DesignInstituteofZhongyuanOilField,Puyang,Henan(457001),ChinaTel:[phone]Cell:13938302950E2mail:[e-mail]NGFORBUSSES1)HuJunjun,ZhangWugao,HuangZhen,GuAnzhong,LuXuesheng,(ShanghaiJiaotongUniver2sity)andCaoChangzhen(ShanghaiSunwoBusCo.Ltd.).NATUR.GASIND.v.24,no.7,pp.9697,7/25/2004.(ISSN1000-0976;InChinese)ABSTRACT:Thekeycomponentsofgas2supplyingsystemforLNGbussessuchasthefuel2storingtanketc.arestudied.Andthecomponentsoftheselectedfueltankandgas2supplyingpipeline,etc.aretestedonCumminsCG2250engine2testingtable.Theresultsshow:usingtheselectedgas2supplyingsys2tem,theenginereachestheoriginalpowerandtorque.Fur2thermore,theenginepossessesthefeaturesoflowspeedandbigrotarytorque,andthecurveofrotarytorqueissmoothastherotaryspeedoftheenginechanges.Basedonthetableexperi2ment,andcooperatingwithShanghaiSunwinBusCo.Ltd.,theSWB6115LQ23LNGbusisdeveloped.Afterthesamplebuswasmade,theparametersandperformanceofthebusaretestedbyShanghaiVehicleTestingCenter.ThetestingresultsindicatetheLNGbushasgooddrivingperformanceandeffluentindex,andmeetstheapplicationrequirementsofbusses.SUBJECTHEADINGS:Liquefiednaturalgas(LNG),Vehicle,Citybus,Engine,Fuel,TabletestHuJunj