Beta enhancement by relativistic electron rings in bumpy tori [PDF]
, 1983 The maximum achievable beta (ratio of plasma pressure to magnetic pressure) value in a bumpy torus such as Elmo (EBT) is determined primarily by the stability of the system to the interchange modes.
Borowski +7 more
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Research support for plasma diagnostics on Elmo Bumpy Torus: investigation of diamagnetic diagnostics for the electron rings [PDF]
, 1981 Diamagnetic diagnostics for the EBT electron rings are fundamental to the experiment. The diamagnetic flux pickup loops on each cavity output signals proportional to ring perpendicular energy. A data analysis technique is described, which in its simplest
Carpenter, K. H.
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, 2023 Electromagnetic modes in the frequency range of 30-120MHz were observed in electron cyclotron wave (ECW) steady state plasmas on the ENN XuanLong-50 (EXL-50) spherical torus.
Chen, Wei +21 more
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ELMO Bumpy Torus. [Survey of research program]
, 1979 The ELMO Bumpy Torus (EBT) program of experiment, theory, and reactor studies has been a remarkably successful one. In the five years since EBT-I began operating, work has progressed from a demonstration of macrostability to an increasingly detailed understanding of transport properties. Collisionless scaling (tau/sub E/ increases with temperature) has
L. A. Berry, C. L. Hedrick, N. A. Uckan
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Radial mode structure of curvature-driven instabilities in EBT [PDF]
, 1983 Viewgraphs describe the theoretical treatment of the radial mode structure of plasma instabilities in the Elmo Bumpy Torus. The calculation retains nonlocal structure of the modes, connects inner and outer ring regions together, uses a self-consistent ...
Spong, D. A.
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Technical assessment of critical Plasma-Materials Interaction (PMI) and High Heat Flux (HHF) issues for alternative fusion concepts (AFCs) [PDF]
, 1986 A number of approaches to fusion energy are being pursued as alternative fusion concepts (AFCs). The goal of these systems is to provide a more desirable method of producing fusion energy than the mainline programs. Some of the AFCs have both a Low Power
Downing, J. N.
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Ion confinement and transport in a toroidal plasma with externally imposed radial electric fields [PDF]
Strong electric fields were imposed along the minor radius of the toroidal plasma by biasing it with electrodes maintained at kilovolt potentials. Coherent, low-frequency disturbances characteristic of various magnetohydrodynamic instabilities were ...
Hong, H. Y. +4 more
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Optimization of confinement in a toroidal plasma subject to strong radial electric fields [PDF]
A preliminary report on the identification and optimization of independent variables which affect the ion density and confinement time in a bumpy torus plasma is presented.
Roth, J. R.
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A heavy ion beam probe system for investigation of a modified Penning discharge [PDF]
An ion beam probe diagnostic system can measure time- and space-resolved profiles of plasma space potential and electron density. In combination with a computer iterative technique, the ion beam probe can determine both the space potential profile in ...
Kambic, G. X., Krawczonek, W. M.
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Effects of global field errors on ELMO Bumpy Torus [PDF]
, 1977 The plasma sensitivity to magnetic field error effects has been tested experimentally using externally introduced global field errors in the ELMO Bumpy Torus (EBT). A critical field (delta B/sub r//B)/sub cr/ approximately 0.6-1 x 10/sup -3/ was observed, below which the plasma is essentially free from convective cells, toroidal currents, and ...
Quon, B. H. +3 more
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