Abonnement à la biblothèque: Guest
Turbulence Heat and Mass Transfer 6. Proceedings of the Sixth International Symposium On Turbulence Heat and Mass Transfer
September, 14-18, 2009, Rome, Italy

DOI: 10.1615/ICHMT.2009.TurbulHeatMassTransf


ISBN Print: 978-1-56700-262-1

ISSN: 2377-2816

DNS simulation of liquid metal flow in annuli under the effect of a magnetic field and volumetric heating

page 13
DOI: 10.1615/ICHMT.2009.TurbulHeatMassTransf.1000
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RÉSUMÉ

MHD liquid metal natural convection flow is studied in closed annuli, the upper and bottom surfaces of which are considered adiabatic while the cylindrical walls are isothermal, with the temperature of the outer wall greater than that of the inner. Volumetric heating and an external transverse magnetic field are also applied. The dimensionless parameters characterizing the present flow are: the external Rayleigh number, Rae, corresponding to the magnitude of the temperature difference between the cylinders, the internal Rayleigh number, Rai, representing the intensity of heat generation, and the Hartmann number, Ha, expressing the amplitude of the magnetic field. Depending on the magnitude and interaction of these parameters, the flow may become laminar, transitional or turbulent. The effect of the magnetic field on the three-dimensional turbulent heat transfer is investigated using certain combinations of the above flow controlling parameters.

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