Data analysis on TFTR using the SNAP transport code

Autor: C. K. Phillips, J. A. Murphy, M. C. Zarnstorff, H. H. Towner, Gregory W. Hammett, David Smithe, S. D. Scott, Robert James Goldston
Rok vydání: 1992
Předmět:
Zdroj: Review of Scientific Instruments. 63:4753-4756
ISSN: 1089-7623
0034-6748
Popis: This paper describes the between shots data analysis on TFTR using the one‐dimensional equilibrium kinetic analysis code SNAP. SNAP accepts as input data: the measured plasma size and current, toroidal field, surface voltage, plasma composition (total Zeff and Zeff contribution from metallic impurities), edge neutral density, auxiliary heating power data (neutral beam power, energy, injection geometry and/or rf power and frequency), and measured profiles of Te(R), ne(R), Ti(R), Vφ(R), and Prad(R). SNAP iteratively calculates: (1) the mapping of profile data to a minor radius grid, (2) the magnetic topology including Shafranov shifted circular flux surfaces, (3) neutral beam attenuation and deposition profiles, (4) unthermalized beam ion density and beam power density delivered to thermal plasma species from a numerical solution to the Fokker–Planck equation, (5) the neutral density profile, (6) local heat and particle transport coefficients consistent with the measured profiles and calculated source terms...
Databáze: OpenAIRE