Bulletin of the American Physical Society
60th Annual Meeting of the APS Division of Plasma Physics
Volume 63, Number 11
Monday–Friday, November 5–9, 2018; Portland, Oregon
Session TP11: Poster Session VII: Basic Plasma Physics: Pure Electron Plasma, Strongly Coupled Plasmas, Self-Organization, Elementary Processes, Dusty Plasmas, Sheaths, Shocks, and Sources; Mini-conference on Nonlinear Waves and Processes in Space Plasmas - Posters; MHD and Stability, Transients (2), Runaway Electrons; NSTX-U; Spherical Tokamaks; Analytical and Computational Techniques; Diagnostics (9:30am-12:30pm)
Thursday, November 8, 2018
OCC
Room: Exhibit Hall A1&A
Abstract ID: BAPS.2018.DPP.TP11.148
Abstract: TP11.00148 : Gas Puff Imaging Diagnostic on HL-2A Tokamak*
Abstract 
Presenter:
Jinbang Yuan
(Southwestern Institute of Physics)
Authors:
Jinbang Yuan
(Southwestern Institute of Physics)
Boda Yuan
(Southwestern Institute of Physics, University of Science and Technology of China)
Min Xu
(Southwestern Institute of Physics)
Lin Nie
(Southwestern Institute of Physics)
Shaobo Gong
(Southwestern Institute of Physics)
A new Gas Puff Imaging (GPI) diagnostic has been developed and put into experimental research on HL-2A tokamak to study plasma turbulence and transport dynamics in the edge and Scrape-Off Layer (SOL). Here we will present some results from the recent 2018 Experimental Campaign. The statistic characteristics of blob w/wo Resonant Magnetic Perturbation (RMP), including burst rate, mean lifetime and velocities in different areas, are compared. During the application of RMP, the shear layer of poloidal velocity (Vθ) was found shifting inwards and the Vθ increasing in SOL and breaking down inside LCFS. Also, Electron Cyclotron Resonance Heating (ECRH) was found having a similar effect on Vθ in SOL and the edge area. Besides, we also observed two different kinds of turbulence with different frequencies moving inwards and outwards the LCFS.
*The authors would like to thank for the help of HL-2A team. This work is supported by the National Natural Science Foundation of China under Grant Nos. 11575055, 11705052 ,11375053 ;the Chinese National Fusion Project for ITER under Grant No. 2014GB124004, 2015GB104004 and by the International S&T Cooperation program of China under grant No. 2015DFA61760.
To cite this abstract, use the following reference: http://meetings.aps.org/link/BAPS.2018.DPP.TP11.148
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