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Free-boundary equilibrium studies for the large helical device

Technical Report:

Abstract

A free-boundary version of the VMEC three-dimensional equilibrium code, together with a code, DIAGNO, to determine the response to a set of magnetic diagnostic coils has been applied to the Large Helical Device. Two sequences of equilibria were considered: one where an external vertical field was used to keep the plasma centered and another where the outwardly shifting plasma was truncated by a limiter. The predictions of a simple cylindrical model have been verified for a diamagnetic loop. A set of simple response curves has been obtained which should be useful for the analysis and control of the finite <{beta}> plasma. The ideal Mercier criterion suggests that the centered plasma might be more stable. (author).
Publication Date:
Jun 01, 1993
Product Type:
Technical Report
Report Number:
NIFS-231
Reference Number:
SCA: 700370; PA: JPN-93:011138; EDB-94:016692; ERA-19:006024; NTS-94:018174; SN: 93001119354
Resource Relation:
Other Information: PBD: Jun 1993
Subject:
70 PLASMA PHYSICS AND FUSION TECHNOLOGY; STELLARATORS; MHD EQUILIBRIUM; COMPUTERIZED SIMULATION; V CODES; D CODES; MERCIER CRITERION; ROTATIONAL TRANSFORM; MAGNETIC SURFACES; NUMERICAL SOLUTION; THREE-DIMENSIONAL CALCULATIONS; PLASMA INSTABILITY; PLASMA; 700370; PLASMA FLUID AND MHD PROPERTIES
OSTI ID:
10110096
Research Organizations:
National Inst. for Fusion Science, Nagoya (Japan)
Country of Origin:
Japan
Language:
English
Other Identifying Numbers:
Other: ON: DE94727551; TRN: JP9311138
Availability:
OSTI; NTIS; INIS
Submitting Site:
JPN
Size:
29 p.
Announcement Date:
Jun 30, 2005

Technical Report:

Citation Formats

Gardner, H J, and Ichiguchi, K. Free-boundary equilibrium studies for the large helical device. Japan: N. p., 1993. Web.
Gardner, H J, & Ichiguchi, K. Free-boundary equilibrium studies for the large helical device. Japan.
Gardner, H J, and Ichiguchi, K. 1993. "Free-boundary equilibrium studies for the large helical device." Japan.
@misc{etde_10110096,
title = {Free-boundary equilibrium studies for the large helical device}
author = {Gardner, H J, and Ichiguchi, K}
abstractNote = {A free-boundary version of the VMEC three-dimensional equilibrium code, together with a code, DIAGNO, to determine the response to a set of magnetic diagnostic coils has been applied to the Large Helical Device. Two sequences of equilibria were considered: one where an external vertical field was used to keep the plasma centered and another where the outwardly shifting plasma was truncated by a limiter. The predictions of a simple cylindrical model have been verified for a diamagnetic loop. A set of simple response curves has been obtained which should be useful for the analysis and control of the finite <{beta}> plasma. The ideal Mercier criterion suggests that the centered plasma might be more stable. (author).}
place = {Japan}
year = {1993}
month = {Jun}
}