Title of article :
ReactivitycontrolsystemofthehightemperatureengineeringtestreactorOriginalResearchArticle
Author/Authors :
YukioTachibana، نويسنده , , HiroakiSawahata، نويسنده , , TatsuoIyoku، نويسنده , , ToshioNakazawa، نويسنده ,
Issue Information :
روزنامه با شماره پیاپی سال 2004
Pages :
13
From page :
89
To page :
101
Abstract :
Thereactivitycontrolsystemofthehightemperatureengineeringtestreactor(HTTR)consistsofacontrolrodsystemandareserveshutdownsystem.Duringnormaloperation,reactivityiscontrolledbythecontrolrodsystem,whichconsistsof32controlrods(16pairs)and16controlroddrivemechanismsexceptforthecasewhenthecentercontrolrodsareremovedtoperformanirradiationtest.Inanunlikelyeventthatthecontrolrodsfailtobeinserted,reserveshutdownsystemisprovidedtoinsertpelletsofneutron-absorbingmaterialintothecore. Alloy800Hischosenforthemetallicpartsofthecontrolrods.Becausethemaximumtemperatureofthecontrolrodsreachesabout900°Catreactorscrams,structuraldesignguidelineanddesignmaterialdataonAlloy800Hareneededforthehightemperaturedesign.ThedesignguidelinefortheHTTRcontrolrodisbasedonASMECodeCaseN-47-21.Designmaterialdataisalsodeterminedandshowninthispaper.Observingtheguideline,temperatureandstressanalysiswereconducted;itcanbeconfirmedthatthetargetlifeofthecontrolrodsof5yearscanbeachieved. Varioustestsconductedforthecontrolrodsystemandthereserveshutdownsystemarealsodescribed.
Journal title :
Nuclear Engineering and Design Eslah
Serial Year :
2004
Journal title :
Nuclear Engineering and Design Eslah
Record number :
894807
Link To Document :
https://search.isc.ac/dl/search/defaultta.aspx?DTC=10&DC=894807
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