التفاصيل البيبلوغرافية
| العنوان: |
Effects of core stochastization on particle and momentum transport. |
| المؤلفون: |
Ohtani, Yoshiaki, Tanaka, Kenji, Igami, Hiroe, Ida, Katsumi, Suzuki, Yasuhiro, Takemura, Yuki, Tsuchiya, Hayato, Sanders, Mike, Yoshinuma, Mikirou, Tokuzawa, Tokihiko, Yamada, Ichihiro, Yasuhara, Ryo, Funaba, Hisamichi, Shoji, Mamoru, Bando, Takahiro, Group, LHD Experimental |
| المصدر: |
Nuclear Fusion; Mar2021, Vol. 61 Issue 3, p1-6, 6p |
| مصطلحات موضوعية: |
MAGNETIC field effects, MOMENTUM transfer, MAGNETIC fields, ELECTRON temperature, DIFFUSION coefficients |
| مستخلص: |
The effects of the stochastic magnetic field in a plasma center produced by electron cyclotron current drive (ECCD) on transport have been revealed. Because the electron temperature profile is flat in the core region, in the case of counter-directed ECCD (ctr-ECCD) against the toroidal magnetic field, the magnetic field is stochastic in the core region with rotational transform ᵼ ∼ 1/3. The particle diffusion coefficient of the ctr-ECCD plasma is approximately 20 times as large as that of the plasma without the stochastic magnetic field produced by co-directed ECCD (co-ECCD) at the maximum. Furthermore, in the stochastic magnetic field with ctr-ECCD, counter-directed intrinsic rotation is observed in the plasma with balanced NBI discharge. [ABSTRACT FROM AUTHOR] |
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