Published July 2012 | Version v1
Journal article Metadata-only

Bootstrap current simulations with experimental LHD plasma density and temperature profiles, energy scattering and finite orbit width

Creators

  • 1. National Research Centre 'Kurchatov Institute', Moscow (Russian Federation)
  • 2. National Institute for Fusion Science, Toki, Gifu (Japan)
  • 3. Kyoto University, Graduate School of Energy Science, Uji, Kyoto (Japan)
  • 4. Ecole Polytechnique Federale de Lausanne (EPFL), Centre de Recherches en Physique des Plasmas, Association Euratom-Confederation Suisse, Lausanne (Switzerland)

Description

Bootstrap current calculations with the neoclassical SPBSC and VENUS+δf codes have been performed on experimental Large Helical Device (LHD, NIFS, Japan) configurations with different magnetic axis positions and simplified plasma density and temperature profiles. In this paper, we use experimentally obtained electron density and temperature profiles for the LHD discharges no.61863 and no.82582 to compute the corresponding magnetohydrodynamic equilibrium states and collisional frequency. An improved collisional operator has been implemented into the VENUS+δf code. The comparison between the measured LHD bootstrap current and that expected from neoclassical simulations is discussed. (author)

Availability note (English)

Available from http://dx.doi.org/10.1585/pfr.7.1403077

Additional details

Identifiers

DOI
10.1585/pfr.7.1403077;

Publishing Information

Journal Title
Plasma and Fusion Research
Journal Volume
7
Journal Page Range
p. 1403077.1-1403077.7
ISSN
1880-6821

INIS

Country of Publication
Japan
Country of Input or Organization
Japan
INIS RN
46028430
Subject category
S70: PLASMA PHYSICS AND FUSION TECHNOLOGY;
Descriptors DEI
BOOTSTRAP CURRENT; COLLISIONS; ELECTRON DENSITY; ELECTRON TEMPERATURE; LHD DEVICE; MATHEMATICAL OPERATORS; NEOCLASSICAL TRANSPORT THEORY; ORBITS; PLASMA; V CODES; WIDTH
Descriptors DEC
CHARGED-PARTICLE TRANSPORT THEORY; CLOSED PLASMA DEVICES; COMPUTER CODES; CURRENTS; DIMENSIONS; ELECTRIC CURRENTS; THERMONUCLEAR DEVICES; TRANSPORT THEORY

Optional Information

Notes
30 refs., 9 figs., 2 tabs.