http://repositorio.unb.br/handle/10482/11083
Fichero | Descripción | Tamaño | Formato | |
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ARTIGO_DirectNumericalSimulations.pdf | 440,71 kB | Adobe PDF | Visualizar/Abrir |
Título : | Direct numerical simulations of emulsion flows |
Autor : | Cunha, Francisco Ricardo da Almeida, M. H. P. Loewenberg, Michael |
Assunto:: | Emulsões Deformações (Mecânica) Reologia Cisalhamento Simulação (Computadores) |
Fecha de publicación : | ene-2003 |
Editorial : | Associação Brasileira de Engenharia e Ciências Mecânicas - ABCM |
Citación : | CUNHA, Francisco Ricardo da; ALMEIDA, M. H. P.; LOEWENBERG, M. Direct numerical simulations of emulsion flows. Journal of the Brazilian Society of Mechanical Sciences and Engineering, Rio de Janeiro, v. 25, n. 1, jan./mar. 2003. Disponível em:<http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1678-58782003000100005&lng=en&nrm=iso&tlng=en. Acesso em: 29 ago. 2012. |
Abstract: | In this paper, three-dimensional boundary integral computer simulations of emulsions in shear flows are described. Results for ordered BCC emulsions with dispersed-phase volume fractions below the critical concentration are presented. Complex rheological features including: shear-thinning viscosities, normal stress differences, and a nonlinear frequency response are also explored. For deformable drops, pair wise collision produces net cross-flow displacements that govern self-diffusion of drops. We compute trajectories of two interacting drops in shearing and present interesting numerical simulations of three dimensional gravity-induced motion of two drops. The results also demonstrate the feasibility of simulating high-volume-fraction emulsions and foam. |
Licença:: | The Brazilian Society of Mechanical Sciences and Engineering - Todo o conteúdo deste periódico, exceto onde está identificado, está licenciado sob uma Licença Creative Commons (Attribution-NonCommercial 3.0 Unported (CC BY-NC 3.0)). Fonte: http://www.scielo.br/scielo.php?script=sci_serial&pid=1678-5878&lng=pt&nrm=iso. Acesso em: 29 ago. 2012. |
DOI: | http://dx.doi.org/10.1590/S1678-58782003000100005 |
Aparece en las colecciones: | Artigos publicados em periódicos e afins |
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