Soft X-Ray Imaging Design and Analysis Methods on DIII-D
Conference
·
OSTI ID:1092381
- ORNL
- Oak Ridge National Laboratory (ORNL)
- General Atomics, San Diego
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.
- Research Organization:
- Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
- Sponsoring Organization:
- USDOE Office of Science (SC)
- DOE Contract Number:
- DE-AC05-00OR22725
- OSTI ID:
- 1092381
- Resource Relation:
- Conference: 20th International Toki Conference, Toki City, Gifu, Japan, Japan, 20101207, 20101210
- Country of Publication:
- United States
- Language:
- English
Similar Records
2D soft x-ray system on DIII-D for imaging the magnetic topology in the pedestal region
2D soft x-ray system on DIII-D for imaging the magnetic topology in the pedestal region
Regularization of soft-X-ray imaging in the DIII-D tokamak
Journal Article
·
Fri Oct 15 00:00:00 EDT 2010
· Review of Scientific Instruments
·
OSTI ID:1092381
+3 more
2D soft x-ray system on DIII-D for imaging the magnetic topology in the pedestal region
Journal Article
·
Fri Jan 01 00:00:00 EST 2010
· Review of Scientific Instruments
·
OSTI ID:1092381
+3 more
Regularization of soft-X-ray imaging in the DIII-D tokamak
Journal Article
·
Mon Mar 02 00:00:00 EST 2015
· Journal of Computational Physics
·
OSTI ID:1092381
+2 more