RESEARCH PAPERS ON NAGDIS-II

Basic Characteristics of Detached Plasma in Divertor Plasma Simulator NAGDIS-II and TPD-I

• Density threshold for plasma detachment in gas target　(322KB)
  N.Ezumi, S.Mori, N.Ohno, M.Takagi, S.takamura, H.Suzuki, J.Park
  J. Nucl. Mater. 241-243 (1997)349-352

• Numerical Simulation Study on Density Dependence of Plasma Detachment in Simulated Gas Divertor Experoments of The TPD-I Device (331KB)
  N.Ohno, S. Mori, N.Ezumi, M.Takagi, S.Takamura, H.Suzuki
  Contrib. Plasma Phys. 36 (1996)2/3,339-343.

• Anomaly of Langmuir Probe Characteristics in Detached Recombining Plasmas (655KB)
  N.Ezumi, N.Ohno, K.Aoki, D.Nishijima and S.takamura
  Contrib. Plasma Phys. 38 (1998)S,31-37.

Studies on Molecular Activated Recombination in Detached Plasmas

• Experimental Evidence of Molecular Activated Recombination in Detached Recombining Plasmas (191KB)
  N.Ohno, N.Ezumi, S.Takamura, S.I.Krasheninnikov and A.Yu.Pigarov
  Phys. Rev. Lett. 81(1998)818-821.

• Contribution of molecular activated recombination to hydrogen plasma detachment in the divertor plasma simulator NAGDIS-II (691KB)
  N.Ezumi, D.Nishijima, H.Kojima, N.Ohno, S.Takamura, S.I.Krasheninnikov, A.Yu.Pigarov
  J. Nucl. Mater. 266-269(1999).

• Two-Dimensional Structure of the Detached Recombining Helium Plasma Associated with Molecular Activated Recombination (255KB)
  D.Nishijima, N.Ezumi, H.Kojima, N.Ohno, S.Takamura, S.I.Krasheninnikov, A.Yu.Pigarov
  J. Nucl. Mater. 266-269(1999)1161-1166.

• Numerical Simulation on Structure of Detached Helium Plasmas with Hydrogen and Helium Gas Puff in NAGDIS-II (385KB)
  D.Nishijima, N.Ezumi, K.Aoki, N.Ohno and S.Takamura
  Contrib. Plasma Phys. 38(1998)1/2,55-60.

• Dynamic response of detached recombining plasmas to plasma heat pulse in a divertor simulator (165KB)
  N. Ohno, M. Tanaka, N. Ezumi, D. Nishijima, and S. Takamura,
  S. I. Krasheninnikov and A. Yu. Pigarov, J. Park
  Phys. Plasmas, 6, Num.6, (1999)2486-2494.

Recombining plasmas, etc

• Dynamic behavior of detached recombining plasmas during ELM-like plasma heat pulses in the divertor plasma simulator NAGDIS-II (PDF, 277.4KB)
  Y. Uesugi, N. Hattori, D. Nishijima, N. Ohno and S. Takamura
  J. Nucl. Mater. 290-293 (2001)1134.

• Evaluation of electron temperature in detached recombining plasmas (PDF, 88.7 KB)
  D. Nishijima, U. Wenzel, M. Motoyama, N. Ohno, S. Takamura and S. I. Krasheninnikov
  J. Nucl. Mater. 290-293 (2001)688.

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