The flow and hydrodynamic stability of a liquid film on a rotating disc

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dc.contributor.authorKim, Tae-Sungko
dc.contributor.authorKim, Moon Uhnko
dc.date.accessioned2013-03-08T15:54:06Z-
dc.date.available2013-03-08T15:54:06Z-
dc.date.created2012-02-06-
dc.date.created2012-02-06-
dc.date.issued2009-
dc.identifier.citationFLUID DYNAMICS RESEARCH, v.41, no.3-
dc.identifier.issn0169-5983-
dc.identifier.urihttp://hdl.handle.net/10203/93483-
dc.description.abstractThe flow of a liquid film on a rotating disc is investigated in the case where a liquid is supplied at a constant flow rate. We propose thin film equations by the integral method with a simple approach to satisfy the boundary conditions on a disc and a free surface, and the results are compared with those of the Navier-Stokes equations. The radial film velocity is assumed to be a quartic profile in our analysis, whereas it was assumed to be a quadratic one, neglecting the inertia force so that the boundary conditions were not completely satisfied, in the analysis of Sisoev et al (2003 J. Fluid Mech. 229 531-54). The basic flow and its stability are analyzed using the thin film equations even in the region where the inertia force is not negligible. A local stability analysis of the flow is conducted using the linearized disturbance equations and correctly predicts Needham's simple instability criterion. The present thin film equations give a good approximation of the Navier-Stokes equations.-
dc.languageEnglish-
dc.publisherIop Publishing Ltd-
dc.subjectINCLINED PLANES-
dc.subjectWAVE FORMATION-
dc.subjectLAMINAR-FLOW-
dc.subjectDYNAMICS-
dc.subjectSURFACE-
dc.subjectLAYER-
dc.subjectJET-
dc.titleThe flow and hydrodynamic stability of a liquid film on a rotating disc-
dc.typeArticle-
dc.identifier.wosid000270658600006-
dc.identifier.scopusid2-s2.0-66149104532-
dc.type.rimsART-
dc.citation.volume41-
dc.citation.issue3-
dc.citation.publicationnameFLUID DYNAMICS RESEARCH-
dc.identifier.doi10.1088/0169-5983/41/3/035504-
dc.contributor.localauthorKim, Moon Uhn-
dc.type.journalArticleArticle-
dc.subject.keywordPlusINCLINED PLANES-
dc.subject.keywordPlusWAVE FORMATION-
dc.subject.keywordPlusLAMINAR-FLOW-
dc.subject.keywordPlusDYNAMICS-
dc.subject.keywordPlusSURFACE-
dc.subject.keywordPlusLAYER-
dc.subject.keywordPlusJET-
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ME-Journal Papers(저널논문)
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