Experimental study of the core instability before and after internal transport barrier formation in EAST
نویسندگان
چکیده
Abstract In a reversed shear discharge in the Experimental Advanced Superconducting Tokamak (EAST), an internal transport barrier (ITB) was formed. For first time, turbulence plasma core before and after formation of ITB EAST investigated by microwave reflectometry. It found that during ITB, inside not completely suppressed. The density fluctuation level decreased early phase significantly increased later. with gradient appearance Alfvén eigenmodes (RSAEs). change turbulence, measurable reflectometer, did affect rate increase density. Through measurement RSAEs, it this may be related to minimum q ( min ). close 2.
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ژورنال
عنوان ژورنال: Nuclear Fusion
سال: 2022
ISSN: ['0029-5515', '1741-4326']
DOI: https://doi.org/10.1088/1741-4326/aca10b