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A Study of Liquid Metal Film Flow, Under Fusion Relevant Magnetic Fields

M. Narula, A. Ying, M. A. Abdou

Fusion Science and Technology / Volume 47 / Number 3 / April 2005 / Pages 564-568

Technical Paper / Fusion Energy - First Wall, Blanket, and Shield

The use of flowing liquid metal streams or "liquid walls" as a plasma contact surface is a very attractive option and has received considerable attention over the past several years both in the plasma physics and fusion engineering programs. A key issue for the feasibility of flowing liquid metal plasma facing component (PFC) systems, lies in their magnetohydrodynamic (MHD) behavior. The spatially varying magnetic field environment, typical of a fusion device can lead to serious flow disrupting MHD forces that hinder the development of a smooth and controllable flow needed for PFC applications. The present study builds up on the ongoing research effort at UCLA, directed towards providing qualitative and quantitative data on liquid metal free surface flow behavior under fusion relevant magnetic fields, to aid in better understanding of flowing liquid metal PFC systems.

 
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