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UEDGE and DEGAS modeling of the DIII-D scrape-off layer plasma. Revision 1

Description: This paper presents work to develop benchmarked theoretical models of scrape-off-layer (SOL) characteristics in diverted tokamaks by comparing shot simulations using the UEDGE plasma fluid and DEGAS neutral transport codes to measurements of the DIII-D SOL plasma. The experimental data include the radial profiles of n{sub e} T{sub e}, and T{sub i}, the divertor exhaust power, the intensity of H{sub {alpha}} emission, and profiles of the radiated power. A very simple model of the anomalous perpe… more
Date: May 1, 1994
Creator: Fenstermacher, M. E.; Porter, G. D.; Rensink, M. E.; Rognlien, T. D.; Allen, S. L.; Hill, D. N. et al.
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
open access

Scrape-off layer plasma modeling for the DIII-D tokamak

Description: The behavior of the scrape-off layer (SOL) region in tokamaks is believed to play an important role determining the overall device performance. In addition, control of the exhaust power has become one of the most important issues in the design of future devices such as ITER and TPX. This paper presents the results of application of 2-D fluid models to the DII-D tokamak, and research into the importance of processes which are inadequately treated in the fluid models. Comparison of measured and s… more
Date: September 1, 1994
Creator: Porter, G. D.; Rognlien, T. D. & Allen, S. L.
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
open access

UEDGE and DEGAS modeling of the DIII-D scrape-off layer plasma

Description: This paper presents the results of work to develop benchmarked theoretical models of scrape-off-layer (SOL) characteristics in diverted tokamaks by comparing shot simulations using the UEDGE plasma fluid and DEGAS Monte-Carlo neutral particle transport codes to measurements of the DIII-D SOL plasma. The available experimental data include the radial profiles of electron density and temperature, the ion temperature, the divertor exhaust power, the intensity of H{sub {alpha}} emission, and profil… more
Date: May 1, 1994
Creator: Genstermacher, M. E.; Porter, G. D.; Rensink, M. E.; Rognlien, T. D.; Allen, S. L.; Hill, D. N. et al.
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
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