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International Journal of Fluid Mechanics Research
ESCI SJR: 0.206 SNIP: 0.446 CiteScore™: 0.5

ISSN Imprimir: 2152-5102
ISSN En Línea: 2152-5110

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International Journal of Fluid Mechanics Research

DOI: 10.1615/InterJFluidMechRes.v37.i5.50
pages 447-457

Numerical Simulation of MHD Turbulent Flow in a Rectangular Channel with Three-Surface-Coated Multi Layers

Mitsuhiro Aoyagi
Department of Quantum Science and Energy Engineering, Graduate School of Engineering, Tohoku University, Japan
Hidetoshi Hashizume
Department of Quantum Science and Energy Engineering, Graduate School of Engineering, Tohoku University, Japan
Kazuhisa Yuki
Department of Mechanical Engineering, Tokyo University of Science, Yamaguchi, 1-1-1 Digakudo-ri, Sanyo-onoda, Yamaguchi, 756-0884 Japan; and Department of Quantum Science and Energy Engineering, Graduate School of Engineering, Tohoku University, Aramaki-Aoba 01, Aoba-ku, Sendai, 980-8579, Japan
Satoshi Ito
Department of Quantum Science and Energy Engineering, Graduate School of Engineering, Tohoku University
Takeo Muroga
National Institute for Fusion Science 322-6 Oroshi, Toki,Gifu, Japan, 509-5292

SINOPSIS

A rectangular channel with three-surface-coated multi layers has been proposed to reduce the MHD pressure drop in the liquid metal blanket system. In this study, the turbulent flow and pressure drop characteristics are investigated with changing the orientation of the magnetic field by numerical simulation, where a k−ε model containing the effects of the magnetic field is employed. The simulation is conducted under the conditions; the Reynolds number of 4494 and the Hartmann number of 20.9 or 52.2. The inclination of the magnetic field (θ) is changed from 0° to 90°. At an inclination of θ = 45°, turbulence viscosity becomes the highest due to the velocity distributions with more turbulence kinetic energy production. The pressure drop increases when θ is larger than 30° by the electromagnetic force, especially in the case of higher Hartmann number.

REFERENCIAS

  1. Satake, M., Yuki, K., Chiba, S., and Hashizume, H., Numerical Analysis of MHD Flow Structure behind a Square Rod.

  2. Reimann, J., Barleon, L., Dementjev, S., and Platnieks, I., MHD-Turbulent Generation by Cylinders in Insulated Ducts with Different Cross Sections.

  3. Hashizume, H., Numerical and Experimental Research to Solve MHD Problem in Liquid Blanket System.

  4. Yuki, K., Kobayashi, M., Satake, M., and Hashizume, H., Magneto-Hydro-Dynamic- Simulation of Square Duct Flow with Three-Surface-Coated Multi Layers.

  5. Smolentsev, S., Abodou, M., Morley, N., Ying, A., and Kunugi, T., Application of the <i>k&minus;&#949;</i> Model to Open Channel Flows in a Magnetic Field.

  6. Yakhot, V. and Orszag, S. A., Development of Turbulence Models for Shear Flows by Double Expansion Technique.

  7. Alty, C. J. N., Magnetohydrodynamic Duct Flow in a Uniform Transverse Magnetic Field of Arbitrary Orientation.


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