Numerical analysis of angular effect on liquid silicon flow in the MHD Graëtz heat exchanger

S. Lecheheb^1,2 - A. Bouabdallah¹ - Z. Tigrine^1,2

¹ Thermodynamics and Energetic Systems Laboratory, Faculty of Physics, University of Sciences and Technology Houari Boumediene, B.P.32 El Alia 16111 Bab Ezzouar, Algiers, Algeria
² Centre de Développement des Energies Renouvelables CDER, BP 62 Route de l'observatoire Bouzaréah 16340, Algiers, Algeria

Abstract
The presented work is a computational study of magnetohydrodynamic flow and heat transfer in the Graëtz heat exchanger with insulating walls in a stable laminar regime under specific temperature conditions at the walls. In all simulations, a numerical method is employed based on finite volume technique. We modelled the process to determine features related to the MHD heat transfer in the Graëtz systems. The combined effect of the magnetic field and plate inclination angle was examined, i.e. under the angular effect on liquid silicon flow, heat and momentum transfer with variable values of the transverse magnetic field strength. The obtained results show that heat transfer is weakly (19