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Fusion Engineering and Design 72 (2004) 3562 Exploratory studies of flowing liquid metal divertor options for

Summary: Fusion Engineering and Design 72 (2004) 3562
Exploratory studies of flowing liquid metal divertor options for
fusion-relevant magnetic fields in the MTOR facility
A.Y. Yinga,, M.A. Abdoua, N. Morleya, T. Sketchleya, R. Woolleyb, J. Burrisa,
R. Kaitab, P. Fogartyc, H. Huangd, X. Laoa, M. Narulaa,
S. Smolentseva, M. Ulricksone
a Mechanical and Aerospace Engineering Department, UCLA, 420 Westwood Pza, Los Angeles, CA 90095-1597, USA
b Princeton University, Princeton Plasma Physics Laboratory, Princeton, NJ, USA
c Oak Ridge National Laboratory, Oak Ridge, TN, USA
d Energy and Power Department, Nanjing University of Aeronautics and Astronautics, Nanjing, PR China
e Sandia National Laboratory, Albuquerque, NM, USA
Available online 17 September 2004
This paper reports on experimental findings on liquid metal (LM) free surface flows crossing complex magnetic fields. The
experiments involve jet and film flows using GaInSn and are conducted at the UCLA MTOR facility. The goal of this study is to
understand the magnetohydrodynamics (MHD) features associated with such a free surface flow in a fusion-relevant magnetic
field environment, and determine what LM free surface flow option is most suitable for lithium divertor particle pumping and
surface heat removal applications in a near-term experimental plasma device, such as NSTX. Experimental findings indicate
that a steady transverse magnetic field, even with gradients typical of NSTX outer divertor conditions, stabilizes a LM jet
flow--reducing turbulent disturbances and delaying jet breakup. Important insights into the MHD behavior of liquid metal films


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


Collections: Plasma Physics and Fusion