Comparison of Gas Puff Imaging Data in NSTX with the DEGAS 2 Simulation

[摘要] Gas-Pu -Imaging (GPI) is a two dimensional diagnostic which measures the edge D?? light emission from a neutral D?? gas puff near the outer mid- plane of the National Spherical Torus Experiment (NSTX). DEGAS 2 is a 3-D Monte Carlo code used to model neutral transport and plasma-neutral interactions in fusion plasmas. In this paper, we compare the measured and modeled D?? light emission for speci c NSTX experiments. Both the simulated spatial distribution and radiance of the D?? light emission agree well with the experimental data obtained between Edge Localized Modes (ELMs) in ELMy H-modes.

[发布日期] 2013-04-10

[学科分类] 原子、分子光学和等离子物理

[关键词] Computer Simulation;Diagnostics;Edge Plasma