简介:InHL-2Atokamaks,thebehaviorofheatfluxdepositedonthedivertortargetshasbeenstudiedduringdeuteriumgasfuelling.Theheatfluxisreducedsignificantlyaftersupersonicmolecularbeaminjection(SMBI)fuellingduringOhmicandelectroncyclotronresonanceheating(ECRH)divertordischarges.TheSMBIfuellingcausesanincreaseintheplasmadensityandthischangeresultsintheexperiencedchangeoftheedgeproperties.MostofthisreductionindivertortargetheatfluxoccurstogetherwithahighplasmaradiationregionlocatedatneartheX-point.Thelargestreductioninheatfluxprofilesisobservedattheoutboarddivertorseparatrixstrikepoint,whiletheheatfluxfarfromthestrikepointremainsalmostunchanged.Inparticular,withSMBImulti-pulsesgasfuelling,apartiallydetacheddivertorregimeisobservedwithahighlyradiatingregionattheX-point.Withtheonsetofthepartiallydetacheddivertorregime,asuddendropinbothheatfluxandpowerflowonthedivertortargetisobserved.Thereductioninpowerloadonthedivertortargetsisroughlyequaltotheincreaseinplasmaradiationloss.
简介:ThetheoryandexperimentresearchontheplasmaedgeandSOLisoneofkeyissuestotheaccumulation,transportationandthedistributionofimpurities.Theimpuritiescomefromtheplasma-surfaceinteractionpollutethereactingplasma.Thephysicalandchemicalsputteringonthesurfacesoflimiteranddiverterplateisimportantsourceofimpurities.Theformerdependsontheionfluxandtheenergyofion.Thelatterdependsonthetemperatureofsurface.ThetransportofimpuritiesstronglydependsonthebackgroundpropertiesoftheSOLplasma,
简介:Themaingoalofdivertorphysicsistodeterminetheedgeplasmatemperature,density,powerdispersal,powerasymmetrybetweeninwardtargetandoutwardone,thecontrolabilityofimpurityandneutralparticles.Aboveparameterswillchangewithplasmadensityorheatingpower.Theycanbedividedinto3regimes:linearregime,highrecyclingoneanddetachedone.
简介:【摘要】 目的:探索对老年乙肝肝硬化失代偿期患者采用循证护理对其并发症改善的效果。方法:以系统随机化法,将该院2023.01-2023.10收治的60例乙肝肝硬化失代偿期患者均分为两组各30例。其中对照组患者运用常规护理,观察组则给予患者循证护理。比较两组的负面情绪改善情况、并发症发生情况。结果:护理前两组的得分差异无统计学意义,P >0.05。护理后对照组的负面情绪改善情况不如观察组,P <0.05。观察组的并发症发生率3.33%,低于对照组的20.00%,P <0.05。结论:运用循证护理,能较好改善乙肝肝硬化失代偿期患者的症状,患者的并发症发生率得以降低,负面情绪得到改善。