Journal ArticleDOI
Numerical analysis for laminar and turbulent liquid-metal flow in a transverse magnetic field
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In this paper, a numerical analysis was conducted for mercury and lithium MHD flows in rectangular channels under uniform transverse magnetic fields, where the suppression of turbulence was taken into account by using the modified k- e model of turbulence.About:
This article is published in Fusion Engineering and Design.The article was published on 1989-01-01. It has received 10 citations till now. The article focuses on the topics: Laminar flow & Turbulence.read more
Citations
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Journal ArticleDOI
Liquid magnetohydrodynamics — recent progress and future directions for fusion
TL;DR: In this article, the authors report on recent research into magnetohydrodynamic (MHD) phenomena applicable to fusion technology and show that the maximum enhancement for liquid Lithium occurs for values of the interaction parameter in the N=10-20 range.
Journal ArticleDOI
Application of the “K–ε” model to open channel flows in a magnetic field
TL;DR: In this article, the free surface heat transfer degradation due to the turbulence redistribution has been implemented through the variation of the turbulent Prandtl number, and the model coefficients have been tuned by a computer optimization using available experimental data for the friction factor.
Journal ArticleDOI
MHD pressure drop and heat transfer of lithium single-phase flow in a rectangular channel under transverse magnetic field
TL;DR: In this paper, the characteristics of the pressure drop and heat transfer were investigated experimentally for a lithium single-phase flow in horizontal conducting rectangular channels under a horizontal transverse magnetic field up to 1.4 T.
Journal ArticleDOI
Numerical analysis for heat transfer enhancement of a lithium flow under a transverse magnetic field
Naotaka Umeda,Minoru Takahashi +1 more
TL;DR: In this paper, the effect of convective heat transport by jets generated in sidelayers on heat transfer enhancement was investigated numerically, and it was confirmed that the jet played an important role in the enhancement of heat transfer in a lithium flow in a rectangular channel.
Journal ArticleDOI
Free surface heat transfer and innovative designs for thin and thick liquid walls
TL;DR: In this article, the authors derived design windows on free surface flows in the advanced power extraction (APEX) study from the viewpoints of the free surface heat transfer, the adaptation of liquid flows to the topological constraints, and temperature requirements for plasma operation and power conversion efficiency.
References
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Journal ArticleDOI
The prediction of laminarization with a two-equation model of turbulence
W.P. Jones,Brian Launder +1 more
TL;DR: In this article, the local turbulent viscosity is determined from the solution of transport equations for the turbulence kinetic energy and the energy dissipation rate, and the predicted hydrodynamic and heat-transfer development of the boundary layers is in close agreement with the measured behaviour.
Journal ArticleDOI
Contribution towards a Reynolds-stress closure for low-Reynolds-number turbulence
Kemal Hanjalic,Brian Launder +1 more
TL;DR: In this paper, the problem of closing the Reynolds-stress and dissipation-rate equations at low Reynolds numbers is considered, specific forms being suggested for the direct effects of viscosity on the various transport processes.
Journal ArticleDOI
The effect of a transverse magnetic field on shear turbulence
Claude B. Reed,Paul S. Lykoudis +1 more
TL;DR: In this paper, it was shown that the skin friction coefficient, the mean velocity profiles, the turbulence intensity profiles (both u and v) and the Reynolds stress profiles were all suppressed to zero at high values of the magnetic field, though the turbulence intensities of u' and v' were not.
Proceedings ArticleDOI
Turbulent heat and momentum transfer for electrically conducting fluid flowing in two-dimensional channel under transverse magnetic field
Kenji Kitamura,Masaru Hirata +1 more
Journal ArticleDOI
Magneto‐Fluid Dynamic Turbulence with a Uniform Imposed Magnetic Field
TL;DR: In this article, the authors derived two point correlation and spectral equations for the case where the turbulent energy in the mechanical and magnetic modes tends toward equipartition for large values of time or of mean magnetic field.