Heat and mass transfer computations for laminar flow in an axisymmetric sudden expansion

Detailed heat or mass transfer rate predictions are made using a finite difference computer model for laminar flow in an axisymmetric sudden expansion. The structure of the recirculation zone and the distribution of mass transfer rate downstream of the expansion are calculated as functions of Reynol...

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Bibliographic Details
Published inComputers & fluids Vol. 13; no. 2; pp. 207 - 221
Main Authors Fletcher, D.F., Maskell, S.J., Patrick, M.A.
Format Journal Article
LanguageEnglish
Published Oxford Elsevier Ltd 1985
Elsevier Science
Subjects
Exact sciences and technology
Flows in ducts, channels, nozzles, and conduits
Fluid dynamics
Fundamental areas of phenomenology (including applications)
Physics
Pipe flow
Laminar flow
Recirculating flow
Sudden enlargement
Heat transfer
Mass transfer
Finite difference method
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Summary:Detailed heat or mass transfer rate predictions are made using a finite difference computer model for laminar flow in an axisymmetric sudden expansion. The structure of the recirculation zone and the distribution of mass transfer rate downstream of the expansion are calculated as functions of Reynolds number, inlet velocity profile, geometry and Schmidt number. It is shown that a Couette flow analysis of the appropriate scaled equations gives the essential details of the mass transfer behaviour.
ISSN:0045-7930
1879-0747
DOI:10.1016/0045-7930(85)90026-X