Analysis of Te/Ti Effect on Confinement Properties
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概要
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In order to improve the prediction capability of confinement properties in burning plasmas with intensive electron heating, we have re-visited the DB3v10 International H-mode Confinement Database with emphasis on the temperature ratio Te/Ti and considerations on kinetic profiles. It was thereby found that the impact of Te/Ti is more apparent for discharges with peaked density profiles. Namely, HH factor improves with an increase of peakedness in the density profile for Te/Ti < 1, whereas it tends to deteriorate with the density peaking for Te/Ti > 1. The confinement scaling with a contribution of Te/Ti was also elaborated. In addition, the influence of Te/Ti described above was examined qualitatively with GS2 and GLF23 codes, which provided results corroborating the performed regression analysis, indicating the interplay of ITG and TEM in the turbulence transport.
- 社団法人 プラズマ・核融合学会の論文
社団法人 プラズマ・核融合学会 | 論文
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