Title of article :
DynamiccharacteristicsofsteamgeneratorU-tubeswithdefectOriginalResearchArticle
Author/Authors :
JongChullJo، نويسنده , , MyungJoJhung، نويسنده , , WoongSikKim، نويسنده , , HhoJungKim، نويسنده ,
Issue Information :
روزنامه با شماره پیاپی سال 2005
Pages :
11
From page :
821
To page :
831
Abstract :
Thisstudyinvestigatesthefluidelasticinstabilitycharacteristicsofsteamgenerator(SG)U-tubeswithdefectandthesafetyassessmentofthepotentialforfretting-weardamagescausedbyforeignobjectinoperatingnuclearpowerplants.Togetthenaturalfrequency,correspondingmodeshapeandparticipationfactor,modalanalysesareperformedfortheU-tubeseitherwithaxialorcircumferentialflawwithdifferentsizes.Specialemphasesareontheeffectsofflaworientationandsizeonthemodalandinstabilitycharacteristicsoftubes,whichareexpressedintermsofthenaturalfrequency,correspondingmodeshapeandstabilityratio.Also,thewearrateofU-tubecausedbyforeignobjectiscalculatedusingtheArchardformulaandtheremaininglifeofthetubeispredicted,anddiscussedinthisstudyistheeffectoftheflowvelocityandvibrationofthetubeontheremaininglifeofthetube.Inaddition,addressedinthisstudyistheeffectoftheinternalpressureonthevibrationandfretting-wearcharacteristicsofthetube.
Journal title :
Nuclear Engineering and Design Eslah
Serial Year :
2005
Journal title :
Nuclear Engineering and Design Eslah
Record number :
894890
Link To Document :
https://search.isc.ac/dl/search/defaultta.aspx?DTC=10&DC=894890
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