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Title: Two-Fluid and Resistive Nonlinear Simulations of Tokamak Equilibrium, Stability, and Reconnection

Two-Fluid and Resistive Nonlinear Simulations of Tokamak Equilibrium, Stability, and Reconnection The NIMROD and M3D / M3D-C1 codes now each have both a resistive MHD and a two-fluid (2F) capability including gyroviscosity and Hall terms. We describe: (1) a nonlinear 3D verification test in the resistive MHD regime in which the two codes are in detailed agreement , (2) new studies that illuminate the effect of two-fluid physics on spontaneous rotation in tokamaks, (3) studies of nonlinear reconnection in regimes of relevance to fusion plasmas with peak nonlinear reconnection rates that are essentially independent of the resistivity, and (4) linear two-fluid tearing mode calculations including electron mass that agree with analytic studies over a wide range of parameter regimes.
Authors: ; ; ; ; ; ; ; ;
Publication Date:
OSTI Identifier:OSTI ID: 938861
Report Number(s):PPPL-4349
TRN: US0806064
DOE Contract Number:DE-AC02-76CH03073
Resource Type:Conference
Resource Relation:Conference: Twenty-Second IAEA Fusion Energy Conference - 50th Anniversary of Controlled Nuclear Fusion Research, 13 - 18 October 2008, Geneva, Switzerland.
Research Org:Princeton Plasma Physics Laboratory (PPPL), Princeton, NJ
Sponsoring Org:USDOE Office of Science (SC)
Country of Publication:United States
Language:English
Subject: 70 PLASMA PHYSICS AND FUSION TECHNOLOGY; ELECTRONS; IAEA; NIMROD; PHYSICS; ROTATION; STABILITY; THERMONUCLEAR REACTORS; VERIFICATION Magnetic Reconnection; Magnetic Surfaces; Numerical Simulation; Resistive Instabilities