کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
6746400 | 504993 | 2013 | 5 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Preliminary 2D code simulation of the quasi-snowflake divertor configuration in the FAST tokamak
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موضوعات مرتبط
مهندسی و علوم پایه
مهندسی انرژی
مهندسی انرژی و فناوری های برق
پیش نمایش صفحه اول مقاله
![عکس صفحه اول مقاله: Preliminary 2D code simulation of the quasi-snowflake divertor configuration in the FAST tokamak Preliminary 2D code simulation of the quasi-snowflake divertor configuration in the FAST tokamak](/preview/png/6746400.png)
چکیده انگلیسی
The behaviour of the SOL in FAST for the new quasi snowflake configuration of the divertor is compared with that of the conventional single null case for three main scenarios: reference, advanced and extreme H-mode. The flexible, quick and versatile 2D code TECXY is used. The main physics processes occurring at the edge are carefully taken into account but the neutral dynamics is simplified. Even though the status close to detachment conditions cannot be detailed, new phenomena generated by the configuration are clearly highlighted. The heat load is strongly mitigated to a level that is much easier to tackle with the present technology. Mitigation is always stronger than expected from the magnetic topology only, especially in the high density regimes. This is attributed to the much longer time that the SOL particles spend in the quite cold region of the X point where mostly the connection length of the magnetic lines is strongly increased and hence to the much more intense interaction of the plasma particle with the background neutrals.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Fusion Engineering and Design - Volume 88, Issues 9â10, October 2013, Pages 1677-1681
Journal: Fusion Engineering and Design - Volume 88, Issues 9â10, October 2013, Pages 1677-1681
نویسندگان
V. Pericoli Ridolfini, R. Zagórski, G. Artaserse, G. Calabrò, F. Crisanti, G. Maddaluno, G. Ramogida, B. Viola,