Soft X-Ray Imaging Design and Analysis Methods on DIII-D

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概要

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• A new tangential 2D Soft X-Ray Imaging System (SXRIS) is being designed to examine the edge magnetic island structure in the lower X-point region of DIII-D. A synthetic diagnostic calculation coupled to 3D emissivity estimates is used to generate phantom images. Phillips-Tikhonov regularization is used to invert the phantom images for comparison to the original emissivity model. Noise level, island size, and equilibrium accuracy are scanned to assess the feasibility of detecting edge island structures. Models of typical DIII-D discharges indicate integration times > 1 ms with accurate equilibrium reconstruction are needed for small island (< 3 cm) detection.

• 社団法人 プラズマ・核融合学会の論文

著者

• HARRIS Jeffrey

  Oak Ridge National Laboratory, Oak Ridge, TN 37831-6169, USA

• UNTERBERG Ezekial

  Oak Ridge National Laboratory, Oak Ridge, TN, USA

• BATTAGLIA Devon

  Oak Ridge National Laboratory, Oak Ridge, TN, USA

• SHAFER Morgan

  Oak Ridge National Laboratory, Oak Ridge, TN, USA

• CANIK John

  Oak Ridge National Laboratory, Oak Ridge, TN, USA

• EVANS Todd

  General Atomics, San Diego, CA, USA

• MEITNER Steven

  Oak Ridge National Laboratory, Oak Ridge, TN, USA

• EVANS Todd

  General Atomics

• HARRIS Jeffrey

  Oak Ridge National Laboratory, Oak Ridge, TN 37831, USA

関連論文

• Effect of Rotational Transform and Magnetic Shear on Confinement of Stellarators
• New QP/QI Symmetric Stellarator Configurations
• Soft X-Ray Imaging Design and Analysis Methods on DIII-D

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