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  4. A comparison between a refined two-point model for the limited tokamak SOL and self-consistent plasma turbulence simulations
 
research article

A comparison between a refined two-point model for the limited tokamak SOL and self-consistent plasma turbulence simulations

Wersal, Christoph  
•
Ricci, Paolo
•
Loizu, Joaquim
2017
Plasma Physics and Controlled Fusion

A refined two-point model is derived from the drift-reduced Braginskii equations for the limited tokamak scrape-off layer (SOL) by balancing the parallel and perpendicular transport of plasma and heat and taking into account the plasma–neutral interaction. The model estimates the electron temperature drop along a field line, from a region far from the limiter to the limiter plates. Self-consistent first-principles turbulence simulations of the SOL plasma including its interaction with neutral atoms are performed with the GBS code and compared to the refined two-point model. The refined two-point model is shown to be in very good agreement with the turbulence simulation results.

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Type
research article
DOI
10.1088/1361-6587/aa5cf9
Author(s)
Wersal, Christoph  
Ricci, Paolo
Loizu, Joaquim
Date Issued

2017

Publisher

Institute of Physics

Published in
Plasma Physics and Controlled Fusion
Volume

59

Issue

4

Article Number

044011

Subjects

CRPP_EDGE

Editorial or Peer reviewed

REVIEWED

Written at

EPFL

EPFL units
SPC  
Available on Infoscience
March 7, 2017
Use this identifier to reference this record
https://infoscience.epfl.ch/handle/20.500.14299/135062
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