Tokamak equilibrium determination through function parameterization
Abstract
A Grad-Shafranov equilibrium solver is being developed to determine the magnetic flux surfaces in a tokamak plasma. The flux surfaces are identified from magnetic measurements made with 12 radial and 12 poloidal field coils and 12 flux loops. Additional measurements may be used to improve the accuracy including sawtooth inversion radius (by means of soft X ray observations of the poloidal field profile and of the local current density). The code is designed to be fast enough, so that a fingerprint is available soon after termination of a discharge. This computational speed is allowed by using the function parameterization statistical method.
- Publication:
-
FOM Contributions to the 15th European Conference on Controlled Fusion and Plasma Heating
- Pub Date:
- June 1988
- Bibcode:
- 1988crph.conf...21V
- Keywords:
-
- Computer Programming;
- Magnetic Measurement;
- Parameter Identification;
- Plasma Control;
- Tokamak Devices;
- Controlled Fusion;
- Plasma Heating;
- Plasma Physics;
- Poloidal Flux;
- Statistical Analysis;
- Plasma Physics