SPHEROMAK FORMATION BY STEADY INDUCTIVE HELICITY INJECTION

Steady Inductive Helicity Injection (SIHI) is a novel method for driving current in toroidal magnetized plasmas. The HIT-SI device uses two inductive injectors (with odd toroidal symmetry), oscillating at 5.8 kHz, to form and sustain a steady state spheromak (with even toroidal symmetry) through non...

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Hauptverfasser: Redd, A J, Jarboe, T R, Akcay, C, Aboulhosn, R Z, Hamp, W T, Marklin, G J, Nelson, B A, O'Neill, R G, Sieck, P E, Smith, R J, Stewart, B T, Wrobel, J S
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container_issue 1
container_start_page 77
container_title
container_volume 1154
creator Redd, A J
Jarboe, T R
Akcay, C
Aboulhosn, R Z
Hamp, W T
Marklin, G J
Nelson, B A
O'Neill, R G
Sieck, P E
Smith, R J
Stewart, B T
Wrobel, J S
description Steady Inductive Helicity Injection (SIHI) is a novel method for driving current in toroidal magnetized plasmas. The HIT-SI device uses two inductive injectors (with odd toroidal symmetry), oscillating at 5.8 kHz, to form and sustain a steady state spheromak (with even toroidal symmetry) through non-linear relaxation. HIT-SI has formed spheromaks with up to 29 kA of toroidal current, using less than 6 MW of injected power, a much lower power threshold for spheromak production than previously observed. Internal and external magnetic field measurements are well-matched by a theory-based Taylor-state equilibrium model, including the field oscillations driven by the injectors.
doi_str_mv 10.1063/1.3204608
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source AIP Journals Complete
subjects 70 PLASMA PHYSICS AND FUSION TECHNOLOGY
BEAM INJECTION HEATING
CLOSED PLASMA DEVICES
CONFINEMENT
Devices
Driving
HEATING
HELICITY
Injectors
Magnetic field measurement
Mathematical models
Nonlinearity
Oscillating
Oscillations
PARTICLE PROPERTIES
PLASMA
PLASMA CONFINEMENT
PLASMA HEATING
PLASMA PRODUCTION
Plasmas
SPHEROMAK DEVICES
Spheromaks
Steady state
Symmetry
THERMONUCLEAR DEVICES
Thresholds
TOKAMAK DEVICES
title SPHEROMAK FORMATION BY STEADY INDUCTIVE HELICITY INJECTION
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