【英文标准名称】:StandardTestMethodforApplicationandAnalysisofSolidStateTrackRecorder(SSTR)MonitorsforReactorSurveillance,E706(IIIB)
【原文标准名称】:反应堆监测用固态径迹记录仪(SSTR)监视器的应用和分析的标准试验方法,E706(IIIB)
【标准号】:ASTME854-2003
【标准状态】:现行
【国别】:
【发布日期】:2003
【实施或试行日期】:
【发布单位】:美国材料与试验协会(US-ASTM)
【起草单位】:E10.05
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:反应堆;分析;控制仪器;核能;监督(认可);使用;监视器;核技术
【英文主题词】:dosimetry;fissiondeposit;monitor;PWR;SSTR;surveillance;trackcounting
【摘要】:1.1Thistestmethoddescribestheuseofsolid-statetrackrecorders(SSTR)forneutrondosimetryinlight-waterreactor(LWR)applications.Theseapplicationsextendfromlowneutronfluencetohighneutronfluence,includinghighpowerpressurevesselsurveillanceandtestreactorirradiationsaswellaslowpowerbenchmarkfieldmeasurement.(1)ThistestmethodreplacesMethodE418.Thistestmethodismoredetailedandspecialattentionisgiventotheuseofstate-of-the-artmanualandautomatedtrackcountingmethodstoattainhighabsoluteaccuracies.In-situdosimetryinactualhighfluence-hightemperatureLWRenvironsisemphasized.1.2ThistestmethodincludesSSTRanalysisbybothmanualandautomatedmethods.Toattainadesiredaccuracy,thetrackscanningmethodselectedplaceslimitsontheallowabletrackdensity.Typicallygoodresultsareobtainedintherangeof5to500000tracks/cmandaccurateresultsathighertrackdensitieshavebeendemonstratedforsomecases.(2)TrackdensityandotherfactorsplacelimitsontheapplicabilityoftheSSTRmethodathighfluences.Specialcaremustbeexertedwhenmeasuringneutronfluences(E>1MeV)above10n/cm.1.3Highfluencelimitationsexist.TheselimitationsarediscussedindetailinSection13andinreferences(3-5).1.4SSTRobservationsprovidetime-integratedreactionrates.Therefore,SSTRaretrulypassive-fluencedetectors.Theyprovidepermanentrecordsofdosimetryexperimentswithouttheneedfortime-dependentcorrections,suchasdecayfactorsthatarisewithradiometricmonitors.1.5SinceSSTRprovideaspatialrecordofthetime-integratedreactionrateatamicroscopiclevel,theycanbeusedfor"fine-structure"measurements.Forexample,spatialdistributionsofisotopicfissionratescanbeobtainedatveryhighresolutionwithSSTR.1.6Thisstandarddoesnotpurporttoaddressthesafetyproblemsassociatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:F82
【国际标准分类号】:27_120_20(NUCLEARPOWERPLANTS_SAFETY)
【页数】:16P.;A4
【正文语种】: