Title of article
Reactivityfeedbackcoefficientsofamaterialtestresearchreactorfueledwithhigh-densityU3Si2dispersionfuelsOriginalResearchArticle
Author/Authors
FarhanMuhammad، نويسنده , , AsadMajid، نويسنده ,
Issue Information
روزنامه با شماره پیاپی سال 2008
Pages
7
From page
2583
To page
2589
Abstract
Thereactivityfeedbackcoefficientsofamaterialtestresearchreactorfueledwithhigh-densityU3Si2dispersionfuelswerecalculated.Forthispurpose,thelow-densityLEUfuelofanMTRwasreplacedwithhigh-densityU3Si2LEUfuelscurrentlybeingdevelopedundertheRERTRprogram.Calculationswerecarriedouttofindthefueltemperaturereactivitycoefficient,moderatortemperaturereactivitycoefficientandmoderatordensityreactivitycoefficient.NuclearreactoranalysiscodesincludingWIMS-D4andCITATIONwereemployedtocarryoutthesecalculations.Itisobservedthattheaveragevaluesoffueltemperaturereactivityfeedbackcoefficient,moderatortemperaturereactivitycoefficientandmoderatordensityreactivitycoefficientfrom20°Cto100°C,atthebeginningoflife,followedtherelationships(inunitsofΔk/k×10−5K−1)−2.116−0.118ρU,0.713−37.309/ρUand−12.765−34.309/ρU,respectivelyfor4.0≤ρU(g/cm3)≤6.0.
Journal title
Nuclear Engineering and Design Eslah
Serial Year
2008
Journal title
Nuclear Engineering and Design Eslah
Record number
941503
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