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Macroscopic behaviour and discrete dynamo of RFP plasma in high {Theta} discharge

Abstract

In this paper, the macroscopic MHD behaviour of the RFP plasma produced by the high {Theta} discharge is presented compared with that of the RFP plasma produced by the normal (ordinary) discharge, where {Theta} is the ratio of the poloidal field at the wall to the averaged toroidal field. In the plasma generated by the high {Theta} discharge, the mode coupling is frequently occurred due to its high magnetic shear configuration and the fluctuation is more turbulent. The discrete dynamo, which pulsively generates the toroidal flux in the high {Theta} discharge plasma, is also examined. The results show that the discrete dynamo does not play an essential roll in the RFP dynamo. (author).
Publication Date:
Oct 01, 1992
Product Type:
Technical Report
Report Number:
PSC-26
Reference Number:
SCA: 700370; PA: JPN-93:002244; SN: 93000952440
Resource Relation:
Other Information: PBD: Oct 1992
Subject:
70 PLASMA PHYSICS AND FUSION TECHNOLOGY; REVERSE-FIELD PINCH; TEARING INSTABILITY; MAGNETIC FIELD REVERSAL; NONLINEAR PROBLEMS; MAGNETOHYDRODYNAMICS; MAGNETIC RECONNECTION; MAGNETIC FIELDS; SHEAR; FLUCTUATIONS; 700370; PLASMA FLUID AND MHD PROPERTIES
OSTI ID:
10130369
Research Organizations:
Nagoya Univ. (Japan). Plasma Science Center
Country of Origin:
Japan
Language:
English
Other Identifying Numbers:
Other: ON: DE93771408; TRN: JP9302244
Availability:
OSTI; NTIS; INIS
Submitting Site:
JPN
Size:
20 p.
Announcement Date:
Jul 04, 2005

Citation Formats

Arimoto, H, Sato, K I, Nakamura, A, Nagata, A, Ando, T, Kubota, S, Masamune, S, Nagatsu, M, and Tsukishima, T. Macroscopic behaviour and discrete dynamo of RFP plasma in high {Theta} discharge. Japan: N. p., 1992. Web.
Arimoto, H, Sato, K I, Nakamura, A, Nagata, A, Ando, T, Kubota, S, Masamune, S, Nagatsu, M, & Tsukishima, T. Macroscopic behaviour and discrete dynamo of RFP plasma in high {Theta} discharge. Japan.
Arimoto, H, Sato, K I, Nakamura, A, Nagata, A, Ando, T, Kubota, S, Masamune, S, Nagatsu, M, and Tsukishima, T. 1992. "Macroscopic behaviour and discrete dynamo of RFP plasma in high {Theta} discharge." Japan.
@misc{etde_10130369,
title = {Macroscopic behaviour and discrete dynamo of RFP plasma in high {Theta} discharge}
author = {Arimoto, H, Sato, K I, Nakamura, A, Nagata, A, Ando, T, Kubota, S, Masamune, S, Nagatsu, M, and Tsukishima, T}
abstractNote = {In this paper, the macroscopic MHD behaviour of the RFP plasma produced by the high {Theta} discharge is presented compared with that of the RFP plasma produced by the normal (ordinary) discharge, where {Theta} is the ratio of the poloidal field at the wall to the averaged toroidal field. In the plasma generated by the high {Theta} discharge, the mode coupling is frequently occurred due to its high magnetic shear configuration and the fluctuation is more turbulent. The discrete dynamo, which pulsively generates the toroidal flux in the high {Theta} discharge plasma, is also examined. The results show that the discrete dynamo does not play an essential roll in the RFP dynamo. (author).}
place = {Japan}
year = {1992}
month = {Oct}
}