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Dynamic Formation of a Hot Field Reversed Configuration with Improved Confinement by Supersonic Merging of Two Colliding High-β Compact Toroids

  • Author(s): Binderbauer, M. W
  • Guo, H. Y
  • Tuszewski, M.
  • Putvinski, S.
  • Sevier, L.
  • Barnes, D.
  • Rostoker, N.
  • Anderson, M. G
  • Andow, R.
  • Bonelli, L.
  • Brandi, F.
  • Brown, R.
  • Bui, D. Q
  • Bystritskii, V.
  • Ceccherini, F.
  • Clary, R.
  • Cheung, A. H
  • Conroy, K. D
  • Deng, B. H
  • Dettrick, S. A
  • Douglass, J. D
  • Feng, P.
  • Galeotti, L.
  • Garate, E.
  • Giammanco, F.
  • Glass, F. J
  • Gornostaeva, O.
  • Gota, H.
  • Gupta, D.
  • Gupta, S.
  • Kinley, J. S
  • Knapp, K.
  • Korepanov, S.
  • Hollins, M.
  • Isakov, I.
  • Jose, V. A
  • Li, X. L
  • Luo, Y.
  • Marsili, P.
  • Mendoza, R.
  • Meekins, M.
  • Mok, Y.
  • Necas, A.
  • Paganini, E.
  • Pegoraro, F.
  • Pousa-Hijos, R.
  • Primavera, S.
  • Ruskov, E.
  • Qerushi, A.
  • Schmitz, L.
  • Schroeder, J. H
  • Sibley, A.
  • Smirnov, A.
  • Song, Y.
  • Sun, X.
  • Thompson, M. C
  • Van Drie, A. D
  • Walters, J. K
  • Wyman, M. D
  • et al.
Abstract

A hot stable field-reversed configuration (FRC) has been produced in the C-2 experiment by colliding and merging two high-beta plasmoids preformed by the dynamic version of field-reversed theta-pinch technology. The merging process exhibits the highest poloidal flux amplification obtained in a magnetic confinement system (over tenfold increase). Most of the kinetic energy is converted into thermal energy with total temperature (T(i) + T(e)) exceeding 0.5 keV. The final FRC state exhibits a record FRC lifetime with flux confinement approaching classical values. These findings should have significant implications for fusion research and the physics of magnetic reconnection.

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