Title of article
ModellingoffluidelasticvibrationsofheatexchangertubeswithloosesupportsOriginalResearchArticle
Author/Authors
M.Hassan، نويسنده , , M.Hayder، نويسنده ,
Issue Information
روزنامه با شماره پیاپی سال 2008
Pages
14
From page
2507
To page
2520
Abstract
Theexistenceofgapsattubesupportsnecessitatestimedomainmodellingoffluidforcestopredictflow-inducedvibrationsandassociatedwearinheatexchangersandsteamgenerators.Thispaperpresentsanewtime-domainmodelforfluidelasticinstabilityforcesoftubeswithloose-supports.Inthismodel,thefluidelasticforce,whichisdependentonflowvelocityandarraygeometry,issuperimposedontheturbulenceforcingfunction.Themodelwasusedtocalculatethecriticalflowvelocity,tuberesponse,andtube/supportinteractionparameters,suchasimpactforceandworkrate.Thecriticalvelocityforlinearcaseswasaccuratelypredicted.Thecriticalflowvelocityfortheloosesupportcasewasfoundtobesensitivetoboththegapsizeandtheturbulencelevel.
Journal title
Nuclear Engineering and Design Eslah
Serial Year
2008
Journal title
Nuclear Engineering and Design Eslah
Record number
941495
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