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Comparison of 3D flux-driven scrape-off layer turbulence simulations with gas-puff imaging of Alcator C-Mod inner-wall limited discharges
| Content Provider | Semantic Scholar |
|---|---|
| Author | Halpern, Federico D. Terry, James L. Zweben, S. J. Labombard, Brian Podestà , Mario Ricci, Paolo |
| Copyright Year | 2015 |
| Abstract | We carry out a quantitative comparison between gas-puff imaging (GPI) turbulence measurements in Alcator C-Mod inner-wall limited discharges (Zweben et al 2009 Phys. Plasmas 18 082505) and 3D flux-driven drift-reduced Braginskii turbulence simulations of scrape-off layer dynamics. The comparison is carried out for a series of inner-wall limited discharges where the magnetic field and the density are varied. The comparison between GPI data and non-linear simulations yields overall good agreement for several observables, such as the D-alpha emission levels and intermittency, the radial and poloidal correlation lengths and propagation velocities, and the power and frequency spectral density. |
| Starting Page | 054005 |
| Ending Page | 054005 |
| Page Count | 1 |
| File Format | PDF HTM / HTML |
| DOI | 10.1088/0741-3335/57/5/054005 |
| Volume Number | 57 |
| Alternate Webpage(s) | https://infoscience.epfl.ch/record/207686/files/Halpern2015.pdf |
| Alternate Webpage(s) | https://doi.org/10.1088/0741-3335%2F57%2F5%2F054005 |
| Language | English |
| Access Restriction | Open |
| Content Type | Text |
| Resource Type | Article |