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A Method to Calculate Mixed MHD Convention in a Vertical Channel

  • HEAT AND MASS TRANSFER AND PHYSICAL GASDYNAMICS
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High Temperature Aims and scope

Abstract

A method is proposed for the numerical simulation of heat transfer in a liquid metal flow in a vertical channel with consideration of the effects of a coplanar magnetic field and natural convection. It is demonstrated that, for a downward flow in a heated rectangular channel with an aspect ratio of 3 : 1, the counteraction of natural convection induces strong velocity and temperature fluctuations that can be taken into account with the proposed method. The first stage of the development of a modeling procedure deals with a numerical solution to a simplified, nonstationary 2D problem of a downward flow in a flat, slot-like channel with uniform heating of one or two walls. At the second stage, the predicted characteristics of the nonstationary 2D flow are used to calculate the averaged characteristics of a 3D flow. The numerical results are verified against experimental data obtained under conditions similar to those used in the calculations.

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ACKNOWLEDGMENTS

This work was supported by the Russian Science Foundation (grant no. 14-50-00124). We are grateful to the personnel of the Joint Supercomputer Center, an affiliate of the Federal Governmental Agency, Federal Scientific Center, Scientific Research Institute of System Development, Russian Academy of Sciences, where the calculations were performed.

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Authors and Affiliations

  1. Joint Institute for High Temperatures, Russian Academy of Sciences, 127412, Moscow, Russia

    I. A. Belyaev, N. G. Razuvanov & V. G. Sviridov

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  1. I. A. Belyaev
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  2. N. G. Razuvanov
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  3. V. G. Sviridov
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Correspondence to I. A. Belyaev.

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Translated by T. Krasnoshchekova

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Belyaev, I.A., Razuvanov, N.G. & Sviridov, V.G. A Method to Calculate Mixed MHD Convention in a Vertical Channel. High Temp 56, 767–773 (2018). https://doi.org/10.1134/S0018151X18050061

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  • DOI: https://doi.org/10.1134/S0018151X18050061

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