Open AccessPRELIMINARY RESULTS OF LARGE EDDY SIMULATIONS OF A HYDROCYCLONE
Author(s) -
F. J. Souza,
Aristeu Silveira Neto
Publication year - 2004
Publication title -
engenharia térmica
Language(s) - English
Resource type - Journals
ISSN - 1676-1790
DOI - 10.5380/reterm.v3i2.3538
Subject(s) - turbulence , hydrocyclone , large eddy simulation , mechanics , scale (ratio) , grid , statistical physics , scale model , flow (mathematics) , meteorology , computational fluid dynamics , turbulence modeling , computer simulation , vortex , environmental science , physics , mathematics , engineering , aerospace engineering , geometry , quantum mechanics
Subgrid-scale modeling, which characterizes Large Eddy Simulation (LES), has been used
to predict the behavior of a water-fed hydrocyclone operating without an air core. The
governing equations were solved by a fractional step method on a staggered grid. The
Smagorinsky subgrid-scale model was employed to account for turbulent effects. Numerical
results actually capture the main features of the flow pattern and agree reasonably well
with experiments, suggesting that LES represents an interesting alternative to classical
turbulence models when applied to the numerical solution of fluid flows within
hydrocyclones.