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Park, Hyeon Keo
Fusion Plasma Stability and Confinement Research Lab
Research Interests
  • Fusion, plasma, MHD, turbulence, imaging

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Microwave imaging of magnetohydrodynamic instabilities in fusion plasma

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Title
Microwave imaging of magnetohydrodynamic instabilities in fusion plasma
Author
Sabot, RolandElbeze, DidierLee, WoochangNam, YoonbumPark, HyeonShen, JunsongYun, GunsuChoi, MinjunGiacalone, Jean-ClaudeNicolas, TimotheeBottereau, ChristineClairet, FredericLotte, PhilippeMolina, Diego
Issue Date
2016-11
Publisher
ELSEVIER FRANCE-EDITIONS SCIENTIFIQUES MEDICALES ELSEVIER
Citation
COMPTES RENDUS PHYSIQUE, v.17, no.9, pp.1018 - 1026
Abstract
Microwave imaging diagnostics are extremely useful for observing magnetohydrodynamic (MHD) instabilities in magnetic fusion plasmas. Two imaging diagnostics will be available on the WEST tokamak. A method was developed to reconstruct electron density maps from electron density profiles measured by ultrafast reflectometry, a technique based on FM-CW radar principle. It relies on plasma rotation to perform 2D reconstruction. An Electron Cyclotron Emission Imaging (ECEI) diagnostic will image directly the temperature fluctuations. It will be equivalent to 24 stacked vertically radiometers, each probing a spot of few centimetres. These two complementary techniques will contribute to the validation of MHD models.
URI
https://scholarworks.unist.ac.kr/handle/201301/20690
URL
http://www.sciencedirect.com/science/article/pii/S1631070516300779
DOI
10.1016/j.crhy.2016.07.021
ISSN
1631-0705
Appears in Collections:
PHY_Journal Papers
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