热能与动力工程毕业论文外文翻译

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1、热能与动力工程毕业论文外文翻译外文文献：Biomassco-firingoptionsontheemissionreductionandelectricitygenerationcostsincoal-firedpowerplantsAbstractCo-firingoffersanear-termsolutionforreducingC02emissionsfromconventionalfossilfuelpowerplants.Viablealternativestolong-termC02reductiontechnologiessuchasC02sequestra

2、tion,oxy-firingandcarbonloopcombustionarebeingdiscussed,butallofthemremainintheearlytomidstagesofdevelopment.Co-firing,ontheotherhand,isawel1-proventechnologyandisinregularusethoughdoesnoteliminateC02emissionsentirely.AnincrementalgaininC02reductioncanbeachievedbyimmediateimplementationofb

3、iomassco-firinginnearlyallcoal-firedpowerplantswithminimummodificationsandmodcratcinvestment,makingco-firinganear-termsolutionforthegreenhousegasemissionproblem.Ifamajorityofcoal-firedboilersoperatingaroundtheworldadoptco-firingsysteins，thetotalreductioninC02emissionswouldbesubstantial.Iti

4、sthemostefficientmeansofpowergenerationfrombiomass,anditthusoffersC02avoidancecostlowerthanthatforC02sequestrationfromexistingpowerplants.Thepresentanalysisexaminesseveralco-firingoptionsincludinganoveloptionexternalindirectfiringusingcombustionorgasificationinanexistingcoaloroilfiredplant

5、.Capitalandoperatingcostsofsuchexternalunitsarecalculatedtodctcrmincthereturnoninvestment.Twooftheseindircctco-firingoptionsareanalyzedalongwiththeoptionofdirectco-firingofbiomassinpulverizingmillstocomparetheiroperationalmeritseindcostadvantageswiththegasificationoption.1.IntroductionThee

6、videnceoftheeffeetsofanthropogenicemissiononglobalclimateisoverwhelming[1].ThethreatofincreasingglobaltemperatureshassubjectedtheuseoffossilfuelstoincreasingscrutinyintermsofgreenhousegasGHGandpollutantemissions.Theissueofglobalwarmingneedstobeaddressedonanurgentbasistoavoidcatastrophiccon

7、sequencesforhumanityasawhole.SocolowandPacala[2]introducedthewedgeconceptofreducingC02emissionsthroughseveralinitiativesinvolvingcxistingtechnologies,insteadofasinglefuturetechnologyoractionthatmaytakelongertodevelopandstrongerwillpowertoimplement.Awedgerepres