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Spheromak Power and Helicity Balance [electronic resource].

Published
Washington, D.C : United States. Dept. of Energy. Office of the Assistant Secretary for Defense Programs, 2000.
Oak Ridge, Tenn. : Distributed by the Office of Scientific and Technical Information, U.S. Dept. of Energy.
Physical Description
426 Kilobytes pages : digital, PDF file
Additional Creators
Lawrence Livermore National Laboratory, United States. Department of Energy. Office of the Assistant Secretary for Defense Programs, and United States. Department of Energy. Office of Scientific and Technical Information
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Summary
This note addresses the division of gun power and helicity between the open line volume and the closed flux surface volume in a steady state flux core spheromak. Our assumptions are that fine scale turbulence maintains each region close to an axisymmetric Taylor state, μ{sub o}j = λB. The gun region that feeds these two volumes surrounded by a flux conserver is shown topologically below. (The actual geometry is toroidal). Flux and current from the magnetized gun flow on open lines around the entire closed surface containing the spheromak. The gun current flows down the potential gradient, the potential difference between the two ends of each line being the gun voltage. Here, the gun voltage excludes the sheath drops at each end. These volumes have different values of λ in each region (open line volume V₁ and closed spheromak volume V₂) and we want to calculate the efficiency of transferring the gun power to the spheromak to sustain the ohmic loss in steady state.
Report Numbers
E 1.99:ucrl-id-138934-rev-1
ucrl-id-138934-rev-1
Subject(s)
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Note
Published through SciTech Connect.
05/18/2000.
"ucrl-id-138934-rev-1"
Thomassen, K.I.
Type of Report and Period Covered Note
Topical;
Funding Information
W-7405-Eng-48
View MARC record | catkey: 14740115