Author/Authors :
P. Dumaz، نويسنده , , G.Geffraye، نويسنده , , V.Kalitvianski، نويسنده , , E.Verloo، نويسنده , , M. Valisi، نويسنده , , P.Méloni، نويسنده , , A.Achilli، نويسنده , , R.Schilling، نويسنده , , M.Malacka، نويسنده , , M.Trela، نويسنده ,
Abstract :
TheDEEPSSIprojectisasteaminjectorresearchprogramme.Amongthermal-hydraulicpassivesystems,thesteaminjectors(alsocalled“condensingejectors”or“steamjetpumps”)areveryinterestingapparatuswithveryspecificcharacteristics(highvelocity,verylowpressure).TheenvisagedreactorapplicationistheSteamGeneratorEmergencyFeedWaterSystem(EFWS)ofPressurisedWaterReactors(PWRs).Theheartofthisprojectisthedevelopmentandthetestingofaninnovativesteaminjectordesign.Threeexperimentalfacilitiesareinvolved:CLAUDIAinFrance,IETIinItalyandIMP-PANinPoland.Inthesefacilities,differentdesignoptionshavebeentestedandsomesignificantimprovementsoftheinitialdesignhavebeenobtained.
Inadditiontotheexperimentalstudies,thedevelopmentofasteaminjectorcomputationalmodelhasbeenundertakeninordertomodelindustrialsystemsbasedonsteaminjectors.Theone-dimensionalmoduleofthesystemcodeCATHARE2hasbeenchosentobethebasisofthismodel.ThefirstresultsobtainedhaveconfirmedthecapabilitiesofCATHARE2todescribethesteaminjectorthermal-hydraulics.
