Effect of Magnetic Field on the Rotating Flow in a Similar Czochralski Configuration
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Date
2018-12-10
Journal Title
Journal ISSN
Volume Title
Publisher
University of Eloued جامعة الوادي
Abstract
We present a numerical study of the rotating flow
generated by two rotating disks in co /counter -rotating, inside a
fixed cylindrical enclosure similar to the Czochralski
configuration (Cz). The enclosure having an aspect ratio A =
H/Rc equal to 2, filled with a low Prandtl number fluid, which is
submitted to a vertical temperature gradient. The conservation
equations governing the studied phenomenon are solved by the
method of the finite volume using the FLUENT software 6.3.26.
We present the steady state flow; and we make a comparison
between the flow generated by the co-/counter-rotating end disks.
This study was carried out for different Richardson numbers; Ri
= 0.01, 0.1, 0.5, 1, 2, 3, 5 and 10. The effect of orientation of the
magnetic field is also taken into account for different values of
the Hartmann number (Ha = 0, 5, 10, 20, 30 and 50). The
obtained results show that the strongest stabilization of the
velocity field and heat transfer occurs when the flow generated
by co-rotating end disks and the applied of magnetic field in
radial direction provied a more stabilization of the convective
flow.
Description
International Symposium on Mechatronics and Renewable Energies El-Oued 10- 11 December 2018
Keywords
Rotating Flow, Magnetic Field, axisymmetric cylindrical cavity, finite volume method.