کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
1862845 | 1037614 | 2008 | 5 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Tomography analysis of the sawtooth crash with post-cursor in LHCD plasma on HT-7 tokamak
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
فیزیک و نجوم
فیزیک و نجوم (عمومی)
پیش نمایش صفحه اول مقاله
![عکس صفحه اول مقاله: Tomography analysis of the sawtooth crash with post-cursor in LHCD plasma on HT-7 tokamak Tomography analysis of the sawtooth crash with post-cursor in LHCD plasma on HT-7 tokamak](/preview/png/1862845.png)
چکیده انگلیسی
Sawtooth oscillations with post-cursor were observed in LHCD plasma on HT-7 tokamak. The mode exists and decays gradually after the crash, which implies that the magnetic reconnection is incomplete and the central safety factor remains below unity after the crash. From results of the singular value decomposition (SVD) and tomographic reconstructions describing the magnetic surface structures in the crash, it was found that the m/n=1/1m/n=1/1 mode survives in the crash. It is shown that, the appearance of the preservation of this mode is inconsistent with the secondary reconnection theory, and we conjecture that the evolving of this mode may be understood with the stochastic field model.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Physics Letters A - Volume 372, Issue 24, 9 June 2008, Pages 4469–4473
Journal: Physics Letters A - Volume 372, Issue 24, 9 June 2008, Pages 4469–4473
نویسندگان
Kaiyun Chen, Liqun Hu, Yanmin Duan, Tianpeng Ma,