Turbulent MHD heat transfer in liquids with the Prandtl number Pr > 1

A. V. Kotlyar¹ - T. E. Krasnoschekova¹ - L. A. Sukomel¹ - I. A. Belyaev² - E. V. Sviridov¹ - V. G. Sviridov²

¹ Moscow Power Engineering Institute (MPEI), Moscow, Russia
² Joint Institute of High Temperatures Russian Academy of Science (JIHT RAS), Moscow, Russia

Abstract
A simple mathematical model is proposed to analyze turbulent MHD flow and heat transfer for liquids with the Prandtl number Pr > 1, exposed to a transverse magnetic field. Regime parameters corresponding to the operating conditions of thermo-nuclear sources of neutrons cooled by molten salts are considered. A numerical algorithm has been implemented for solving a system of conservation equations with account of the magnetic field influence on turbulent momentum and heat transfer. The algorithm has been verified against the experimental data on heat transfer and mean temperature profiles for a turbulent water flow in a circular tube without magnetic field action. Parametric calculations of the transverse magnetic field effect on the flow and heat transfer in a circular tube were made. The results are compared with the experimental data on the flow of 30% KOH aqueous solution as a model liquid. Figs 7, Refs 10.