Title of article
PerformanceimprovementanalysisofboilingwaterreactorsbyincorporationofhydridefuelOriginalResearchArticle
Author/Authors
WangKan، نويسنده , , GreenspanEhud، نويسنده ,
Issue Information
روزنامه با شماره پیاپی سال 2004
Pages
13
From page
163
To page
175
Abstract
Thefeasibilityofimprovingtheneutroniccharacteristicsofboilingwaterreactors(BWR)byusingU–Zrhydridefuelisstudied.SeveralmodifiedBWRfuelassemblydesignsareconsidered.Theseincludedesignsinwhichhydridefuelrodsreplacewaterrodsonly,replacewaterrodsandafractionoftheoxidefuelrods,replaceoxidefuelintheupperhalfofallthefuelrods,andreplacealltheoxidefuelintheassembly.ItisfoundthatreplacementofatleasthalfoftheoxidefuelrodsinthefuelassemblybyU–ZrH1.6fuelmightsimultaneouslyimprovetheperformanceofBWRinthreeways:(a)Increasingtheenergyextractedperfuelassemblyandthecyclelengthbyupto∼10%.(b)ReducingtheuraniumoreandSWUrequirementsbyapproximately10%.(c)Reducingthenegativevoidcoefficientofreactivityby,atleast,50%.ItisalsofoundthatreplacementofalltheoxidefuelbyhydridefuelopensinterestingnewoptionsforthedesignofBWRfuelassemblies.Thenetresultmightbesimplifiedassemblydesignsthatcangeneratesignificantlymoreenergywhilefeaturingsmallnegativevoidcoefficientofreactivity.U–ThH2fuelappearstobeevenmorepromisingthanU–ZrH1.6.Forthepotentialbenefitsfromhydridefueltoberealized,acladmaterialthatisnotpermeabletohydrogenandisnotasneutronabsorbingasstainlesssteelneedstobedeveloped.
Journal title
Nuclear Engineering and Design Eslah
Serial Year
2004
Journal title
Nuclear Engineering and Design Eslah
Record number
894759
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