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Non-linear simulations of the TCV Scrape-Off Layer
To investigate the mechanisms leading to the heat deposition onto the first wall in the Scrape-Off Layer (SOL), we perform dedicated numerical non-linear simulations of the SOL plasma dynamics of a TCV discharge using the GBS code. The simulated parallel heat flux profiles on the limiter agree qualitatively with the experimental ones obtained by means of infrared thermography, showing a double scale length. Non-ambipolar currents are found to flow to the limiter, consistently with the experiments. The contribution of the latter to the total heat flux is discussed. The results of a second simulation identical to the first one but with 40 times higher resistivity are also discussed. Keywords: Plasma, Scrape-Off Layer, TCV, GBS simulations heat flux
Non-linear simulations of the TCV Scrape-Off Layer
To investigate the mechanisms leading to the heat deposition onto the first wall in the Scrape-Off Layer (SOL), we perform dedicated numerical non-linear simulations of the SOL plasma dynamics of a TCV discharge using the GBS code. The simulated parallel heat flux profiles on the limiter agree qualitatively with the experimental ones obtained by means of infrared thermography, showing a double scale length. Non-ambipolar currents are found to flow to the limiter, consistently with the experiments. The contribution of the latter to the total heat flux is discussed. The results of a second simulation identical to the first one but with 40 times higher resistivity are also discussed. Keywords: Plasma, Scrape-Off Layer, TCV, GBS simulations heat flux
Non-linear simulations of the TCV Scrape-Off Layer
F. Nespoli (author) / I. Furno (author) / F.D. Halpern (author) / B. Labit (author) / J. Loizu (author) / P. Ricci (author) / F. Riva (author)
2017
Article (Journal)
Electronic Resource
Unknown
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