Utilize este identificador para referenciar este registo: http://hdl.handle.net/10400.6/603
Título: Fully developed laminar flow of non-Newtonian liquids through annuli: comparison of numerical calculations with experiments.
Autor: Escudier, M. P.
Oliveira, Paulo Jorge dos Santos Pimentel de
Pinho, Fernando Tavares de
Smith, S.
Palavras-chave: Annular fow
Non-newtonian
GNF
Shear-thinning
Data: 28-Abr-2010
Resumo: Experimental data are reported for fully developed laminar flow of a shear-thinning liquid through both a concentric and an 80% eccentric annulus with and without centrebody rotation. The working fluid was an aqueous solution of 0.1% xanthan gum and 0.1% carboxymethylcellulose for which the flow curve is well represented by the Cross model. Comparisons are reported between numerical calculations and the flow data, as well as with other laminar annular-flow data for a variety of shear-thinning liquids previously reported in the literature. In general, the calculations are in good quantitative agreement with the experimental data, even in situations where viscoelastic effects, neglected in the calculations, would be expected to play a role.
URI: http://hdl.handle.net/10400.6/603
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