Title of article
Numericalpredictionofaddedmassanddampingforacylinderoscillatinginconfinedincompressiblegas–liquidtwo-phasemixtureOriginalResearchArticle
Author/Authors
TomomiUchiyama، نويسنده ,
Issue Information
روزنامه با شماره پیاپی سال 2003
Pages
11
From page
68
To page
78
Abstract
Thispaperisconcernedwiththenumericalanalysisoftheaddedmassanddampingofacircularcylinder,whichoscillatesinanair–waterbubblymixtureenclosedbyaconcentricshell.Themixtureisassumedtobeincompressible.Thisisbecausetheoscillationfrequencyofthecylinderislowinthisstudy,andaccordinglythepressurechangearoundthecylinderisnotsolarge.Anincompressibletwo-fluidmodelissolvedbythefiniteelementmethod,proposedbytheauthorinapriorpaper,tocalculatethebubblyflowaroundtheoscillatingcylinder.Theanalysisrevealstheeffectsofthediameterratioofthecylindertotheshell,theairvolumetricfractionandthebubblediameter.Italsoclarifiesthattheincreaseofdampingratiointhebubblymixtureisattributabletothephaselagofthedragforceactingonthecylinderbehindthecylinderdisplacement.
Journal title
Nuclear Engineering and Design Eslah
Serial Year
2003
Journal title
Nuclear Engineering and Design Eslah
Record number
894528
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