Utilize este identificador para referenciar este registo: https://hdl.handle.net/1822/59425

TítuloDevelopment length in planar channel flows of inelastic non-Newtonian fluids
Autor(es)Fernandes, Célio Bruno Pinto
Ferrás, Luís Jorge Lima
Araujo, M. S.
Nóbrega, J. M.
Palavras-chaveDevelopment length
Sisko model
Data2018
EditoraElsevier Science BV
RevistaJournal of Non-Newtonian Fluid Mechanics
Resumo(s)This work presents a numerical study on the development length (L = L/H) required to reach fully-developed flow conditions at the entrance of a planar channel for inelastic non-Newtonian fluids modeled by the Sisko model. The simulations were carried out for low Reynolds number flows in the range 0 < Re <= 100, for a power law index, n, in the range 1/3 <= n <= 1 and for a dimensionless infinite viscosity, <(mu)over bar>(infinity), varying in the range 0 <= (mu) over bar (infinity) <= 0.1. A new non-linear relationship between L and Re was derived, taking into account the different values of n and (mu) over bar (infinity) Moreover, new exact solutions are presented for the velocity profile under fully developed flow conditions (for specific values of n).
TipoArtigo
URIhttps://hdl.handle.net/1822/59425
DOI10.1016/j.jnnfm.2018.02.011
ISSN0377-0257
Arbitragem científicayes
AcessoAcesso restrito UMinho
Aparece nas coleções:IPC - Artigos em revistas científicas internacionais com arbitragem

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