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CONVECTIONAL HEAT TRANSFER NUMERICAL ANALYSIS OF MHD STEADY STATE LAMINAR LITHIUM PIPE FLOW

DOI: 10.1615/ICHMT.2014.IntSympConvHeatMassTransf.970
pages 1293-1301

Ziyaddin Recebli
Energy Systems Engineering Department, Karabuk University, 78050 Karabuk, Turkey

Selcuk Selimli
Energy Systems Engineering Department, Karabuk University

Résumé

This paper discuss about the effect of normally applied magnetic field on steady state laminar flow of liquid lithium in a horizontal circular pipe model was analysed with ANSYS Fluent, and also convectional heat transfer was examined. Examination was completed by ANSYS Fluent MHD module; the theoretical base of the module established on the Navier Stokes, continuity equation and energy equations. Flow profile was observed for cooling of the fluid with a constant wall temperature. Thermal fully developed but hydro-dynamically transient region of flow was taken to observations. Results of the examination showed that, increase of magnetic field induction, decreased the local flow velocity, but also increased the Nusselt number through the pipe length. Moreover, while the liquid lithium was cooling, the fluid temperature was increased by the increase of magnetic field induction through the pipe length. Increase of magnetic field induction enhanced the convective heat transfer and so, indirectly improved the cooling of liquid lithium.

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