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1、EnergyConversionandManagement49(2008)2032–2046ContentslistsavailableatScienceDirectEnergyConversionandManagementjournalhomepage:www.elsevier.com/locate/enconmanqReactorphysicsideastodesignnovelreactorswithfasterfissilegrowtha,*aaaabV.Jagannathan,UshaPal,R.Karthikeyan,DeveshRaj,Arga
2、laSrivastava,SuhailAhmadKhanaLightWaterReactorsPhysicsSection,ReactorPhysicsDesignDivision,BhabhaAtomicResearchCentre,Mumbai400085,IndiabReactorProjectDivision,BhabhaAtomicResearchCentre,Mumbai400085,IndiaarticleinfoabstractArticlehistory:Thereareseveraltypesoffissionreactorsoperat
3、ingintheworldadoptinggenerallytheopenfuelcycleReceived8July2007whichconsidersthenaturallyavailablefissilenuclide,viz.,235U.Theaccumulateddischargedfueliscon-Accepted25February2008sideredaswasteinsomecountries.Howeverthedischargedfuelcontainsthepreciousman-madefissileAvailableonline1
4、4April2008plutoniumwhichwouldprovidethesolemeansofharnessingthenuclearenergyfromeitherdepleteduraniumorthenaturalthoriuminfuture.Itmustbeemphasizedthatthepresentdaypowerreactorsusejustabout0.5%ofthemineduraniumanditwouldbeimprudenttodiscardtherestofthemassKeywords:aswaste.Itisther
5、eforenecessarytoexplorewaysandmeansofexploitingthefertilemasswhichhasFastreactorthepotentialofprovidingtheenergywithoutthegreenhouseeffectsformillenniatocome.ThishasThoriumbreedersFissilegrowthtobedonebyinnovatingmeansoflargescalefertiletofissileconversionandthenusingtheman-madeTwo
6、yearcyclelengthfissilematerialforsustenanceaswellasgrowthoffissionnuclearpower.ThispaperattemptstogiveaMinimumcontrolmaneuversbroadpictureoftheavailableoptionsandthechallengesinrealizingthetheoreticalpossibilities.Ó2008ElsevierLtd.Allrightsreserved.1.Introductionprocessintheexisting
7、orsomeinnovativevariantversionofnu-clearreactors,whichmayalsobesuitableforADSapplicationThepresentdaypowerreactorsusemostlyuraniumbasedeventually.235fuel.Uistheonlynaturalfissileisotopeservingasamatch-Thebasicprinciplesusedinthephysicsdesignofpowerreac-sticktostartthefissionchainrea
8、ctionprocess.Itisnecessarytorssof
