Título: Flow, Turbulence and CombustionImportada do Authenticus Pesquisar Publicações da Revista

Vol. 90 Nº 1

Páginas: 69-94

ISSN: 1386-6184

Editora: Springer Nature

ISI Web of Knowledge - 10 Citações

Scopus - 12 Citações

ID Authenticus: P-002-1ZC

DOI: 10.1007/s10494-012-9424-x

Abstract (EN): A low-Reynolds-number k-omega model for Newtonian fluids has been developed to predict drag reduction of viscoelastic fluids described by the FENE-P model. The model is an extension to viscoelastic fluids of the model for Newtonian fluids developed by Bredberg et al. (Int J Heat Fluid Flow 23:731-743, 2002). The performance of the model was assessed using results from direct numerical simulations for fully developed turbulent channel flow of FENE-P fluids. It should only be used for drag reductions of up to 50 % (low and intermediate drag reductions), because of the limiting assumption of turbulence isotropy leading to an under-prediction of k, but compares favourably with results from k-epsilon models in the literature based on turbulence isotropy.

Idioma: Inglês

Tipo (Avaliação Docente): Científica

Nº de páginas: 26