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简介：Thermalhydraulicanalysiswasperformedforthe2004ITERblanketdesign,whichwasbasedonthefabricationmethodsofforging,drillingandwelding.Resultsshowthat,intheoriginaldesign,theflowdistributioninradialholeswasfarfromuniformbecausedifferentflowdriverswereusedintheradialholes.Improvementoftheflowdriverisproposedinthisstudy.Withtheoptimizationoftheflowdrivers,itisclearlyshownthatthetotalpressuredropdecreasesandabettervelocitydistributioninradialholesisobtained.Themoreuniformheattransfercoefficientamongtheradialholesisbeneficialforreducingthermalstress.

简介：TheVacuumVessel(VV)systemisanessentialcomponentofKedaTorusforexperiment(KTX),andvariousscenariosmighttakeplaceonit.TheVV’ssupportsshouldbeadequatelystrongtostandagainstvariousloadsonVV,whichmighthappeninextremescenarios.Therefore,thedesignofVVsupportsisverifiedinasingleextremescenarioandissubsequentlyoptimizedinthisreport.ThenumericalsimulationbasedonFiniteElementtheoryisperformedasthemajormethodforanalysisandoptimization.Theelectromagneticforceinpreviousanalysesservesastheloadforthemechanicalanalysesofsupports.Duringtheoptimization,thestressesoftheWsupportsdecreaseremarkablyafterintroducingcotters.Finally,theoptimumdesignhasbeenworkedout.Itsatisfiestherequirementsregardingthestrengthandconvenienceinassembly.

简介：InordertoobtaincreditabledataanapplicablemethodtooptimizeparametersoftheLangmuirprobesandcircuitsinastationarylaboratorydeviceisinvestigatedandanexperimentalcriterionoftheprobedimensionisdeveloped.ToobtaintheelectrontemperatureanddensitytheElectronEnergyDistributionFunction(EEDF)approachwithlesscomputingtimeandmoreaccurateresultsisapplied,insteadoftheconventionalslopeapproach.Moreovertheinfluenceofthevesselwallmaterialsontheplasmadensityisdiscussedbriefly,indicatingthatthedielectricwallishelpfultoenhancingtheelectrondensity.

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简介：Consideringutilizationoftheoriginalchromium-bronzematerial,twoprocessingtechniquesincludinghydraulicexpansionandhightemperaturevacuumweldingwereproposedfortheoptimizationofheat-sinkstructureinEAST.Theheattransferperformanceofheat-sinkwithorwithoutcoolingtubewascalculatedanddifferenttypesofconnectionbetweentubeandheat-sinkwerecomparedbyconductingaspecialtest.Itisshownfromnumericalanalysisthatthediameterofheat-sinkchannelcanbereducedfrom12mmto10mm.Comparedwiththeoriginalsample,thethermalcontactresistancebetweentubeandheat-sinkforweldingsamplecanreducetheheattransferperformanceby10%,whileby20%forthehydraulicexpansionsample.However,theweldingtechniqueismorecomplicatedandexpensivethanhydraulicexpansiontechnique.Boththeprocessingtechniqueandtheheattransferperformanceofheat-sinkprototypeshouldbefurtherconsideredfortheoptimizationofheat-sinkstructureinEAST.

简介：Amulti-objectivehybridgeneticbasedoptimizationalgorithmisproposedaccordingtothemulti-objectivePropertyofinverseplanning.Itisbasedonhybridadaptivegeneticalgorithmwhichcombinesthesimulatedannealing,usesadaptivecrossoverandmutation,andadoptsnichedtournamentselection.Theresultoftheteatcalculatationdemonstratesthatanexcellentconvergingspeedcanbeachievedusingthisapproach.

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简介：Thispaperpresentstheresultsofaluminumsurfacetreatmentbydiffusecoplanarsurfacebarrierdischarge.Thegoalsaretostudytheeffectivenessoftheplasmatreatmentandthedependenceofitsefficiencyonoperationparameters,suchassample-to-electrodedistance,treatmenttimeorgasatmosphere.Threetypesofaluminummaterials(bricks,sheetsandthinfilms)weretestedtoensurethereliabilityofthetreatment.Thechangesinthesurfacepropertieswerecharacterizedbythesurfacefreeenergy,atomicforcemicroscopy,attenuatedtotalreflectanceFouriertransforminfraredspectroscopy(ATRFTIR)andX-rayphotoelectronspec-troscopy(XPS).Theinfluenceofagingeffectonthetreatmentwasalsomeasuredanddiscussed.