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Fusion Engineering and Design 81 (2006) 14511458 Numerical study of MHD effect on liquid metal free

Summary: Fusion Engineering and Design 81 (2006) 14511458
Numerical study of MHD effect on liquid metal free
jet under complex magnetic fields
Xiao-Yong Luo, Alice Ying, Mohamed Abdou
Mechanical and Aerospace Engineering Department, UCLA, Los Angeles, CA 90095, United States
Received 6 February 2005; received in revised form 8 August 2005; accepted 8 August 2005
Available online 18 January 2006
In this paper, we present numerical studies of liquid metal free surface jet characteristic behavior under the influence of
transverse fields and field gradients. The goal of the numerical simulation study is to evaluate the usefulness of a proposed
numerical scheme for MHD analysis by comparing the numerical results with experimental observations. A 3D liquid metal
MHD code based on an induced magnetic field formulation was developed and a penalty factor numerical method was introduced
in order to force the local divergence-free condition of the magnetic field. The proposed numerical techniques give reasonable
results as compared to experimental findings at a high Hartmann number.
2005 Elsevier B.V. All rights reserved.
Keywords: Free jet; MHD; Numerical; High Hartmann number
1. Introduction
In a fusion device, the issue of how to protect the
bottom part of the reactor interior is a problem. One
solution to this problem is to use a divertor that consists


Source: Abdou, Mohamed - Fusion Science and Technology Center, University of California at Los Angeles


Collections: Plasma Physics and Fusion