Widely used in industries to separate dust from gas:
inexpensive to manufacture
flexibility with respect to high temperature and pressure
High swirl intensity
High curvature of the average streamlines
Radial shear and the adverse pressure gradients
pressure drop and compare the results with experimental data (Dirgo et al. 1985)
hopper influence in the vortex core (Slack et al. 2000)
The Phases approach
Continuous phase: air
High order advection scheme
SSG turbulence model
Hexaedrical versus tetraedrical mesh in different velocities
Petrobras - Brazil
The influences of the mesh, as well as the presence of a hopper were tested.
both, tetrahedrical and hexahedrical meshes, were good enough to represent the experimental data for low velocities at the inlet of the cyclone. As the velocity rises to values near 25 m/s, however, the hexahedrical mesh shows better results and should be used.
the presence of a hopper was extremely important for the comparison. An extra enlargement of the hopper geometry was tested;
the use of hopper is an attempt to reproduce some kind of industrial cyclones.
CYCLONE DUST HOPPER INFLUENCE IN THE VORTEX CORE
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