Noninductive Current Generation in NSTX using Coaxial Helicity Injection | Zendy

R. Raman | Zendy; T. R. Jarboe | Zendy; D. Mueller | Zendy; M. J. Schaffer | Zendy; R. Maqueda | Zendy; B.A. Nelson | Zendy; S.A. Sabbagh | Zendy; Michael G.H. Bell | Zendy; R. Ewig | Zendy; E. D. Fredrickson | Zendy; D. Gates | Zendy; J. Hosea | Zendy; S.C. Jardin | Zendy; Hantao Ji | Zendy; R. Kaita | Zendy; S. Kaye | Zendy; H. Kugel | Zendy; L. L. Lao | Zendy; R. Maingi | Zendy; J. Ménard | Zendy; M. Ono | Zendy; D. J. Orvis | Zendy; S. F. Paul | Zendy; Y.K.M. Peng | Zendy; C.H. Skinner | Zendy; J. B. Wilgen | Zendy; S. J. Zweben | Zendy

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Noninductive Current Generation in NSTX using Coaxial Helicity Injection

Author(s) -

R. Raman,

T. R. Jarboe,

D. Mueller,

M. J. Schaffer,

R. Maqueda,

B.A. Nelson,

S.A. Sabbagh,

Michael G.H. Bell,

R. Ewig,

E. D. Fredrickson,

D. Gates,

J. Hosea,

S.C. Jardin,

Hantao Ji,

R. Kaita,

S. Kaye,

H. Kugel,

L. L. Lao,

R. Maingi,

J. Ménard,

M. Ono,

D. J. Orvis,

S. F. Paul,

Y.K.M. Peng,

C.H. Skinner,

J. B. Wilgen,

S. J. Zweben

Publication year - 2001

Publication title -

osti oai (u.s. department of energy office of scientific and technical information)

Language(s) - English

Resource type - Reports

DOI - 10.2172/784548

Subject(s) - spheromak , coaxial , toroid , current (fluid) , helicity , solenoid , physics , torus , waveform , atomic physics , nuclear magnetic resonance , nuclear physics , computational physics , mechanics , electrical engineering , voltage , mathematics , geometry , plasma , engineering , particle physics , quantum mechanics , thermodynamics

Coaxial Helicity Injection (CHI) on the National Spherical Torus Experiment (NSTX) has produced 240 kA of toroidal current without the use of the central solenoid. Values of the current multiplication ratio (CHI produced toroidal current/injector current) up to 10 were obtained, in agreement with predictions. The discharges which lasted for up to 200 ms, limited only by the programmed waveform, are more than an order of magnitude longer in duration that any CHI discharges previously produced in a Spheromak or a Spherical Torus (ST)

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