scholarly journals Moment-equation methods for calculating neoclassical transport coefficients in general toroidal plasmas

2008 ◽  
Vol 15 (4) ◽  
pp. 042502 ◽  
Author(s):  
H. Sugama ◽  
S. Nishimura
Keyword(s):  
Transport Coefficients ◽  
Moment Equation ◽  
Toroidal Plasmas ◽  
Neoclassical Transport

scholarly journals A convergence study for the Laguerre expansion in the moment equation method for neoclassical transport in general toroidal plasmas

2010 ◽  
Vol 17 (8) ◽  
pp. 082510 ◽  
Author(s):  
S. Nishimura ◽  
H. Sugama ◽  
H. Maaßberg ◽  
C. D. Beidler ◽  
S. Murakami ◽  
...  
Keyword(s):  
Moment Equation ◽  
Equation Method ◽  
Laguerre Expansion ◽  
Toroidal Plasmas ◽  
Neoclassical Transport ◽  
Convergence Study ◽  
The Moment

Monte Carlo Simulation of Neoclassical Transport in Axisymmetric and Ripple Tokamaks

1982 ◽  
Vol 37 (8) ◽  
pp. 899-905 ◽  
Author(s):  
W. Lötz ◽  
J. Nührenberg
Keyword(s):  
Monte Carlo Simulation ◽  
Monte Carlo ◽  
Electric Field ◽  
Pitch Angle ◽  
Particle Distribution ◽  
Transport Coefficients ◽  
Angle Scattering ◽  
Wide Range ◽  
Neoclassical Transport

Simple axisymmetric and ripple tokamak model fields are used to compute neoclassical trans-port coefficients by Monte Carlo simulation over a wide range of mean free paths in the approximation of small gyroradius. Further assumptions are a monoenergetic particle distribution which is only subject to pitch angle scattering and a vanishing electric field. Pfirsch-Schlüter, plateau, banana and ripple transport coefficients are obtained. In the ripple regime the description is unified by introducing the concept of an effective ripple. Cases in which ripple transport is diminished due to collisionless detrapping are observed

Neoclassical transport coefficients for finite-aspect-ratio and bean-shaped tokamak plasmas

1987 ◽  
Vol 30 (4) ◽  
pp. 1152 ◽  
Author(s):  
E. C. Crume ◽  
C. O. Beasley ◽  
S. P. Hirshman ◽  
W. I. van Rij
Keyword(s):  
Aspect Ratio ◽  
Transport Coefficients ◽  
Tokamak Plasmas ◽  
Neoclassical Transport

scholarly journals Benchmarking of the mono-energetic transport coefficients—results from the International Collaboration on Neoclassical Transport in Stellarators (ICNTS)

2011 ◽  
Vol 51 (7) ◽  
pp. 076001 ◽  
Author(s):  
C.D. Beidler ◽  
K. Allmaier ◽  
M.Yu. Isaev ◽  
S.V. Kasilov ◽  
W. Kernbichler ◽  
...  
Keyword(s):  
International Collaboration ◽  
Transport Coefficients ◽  
Neoclassical Transport
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