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2-D Microwave Imaging Reflectometry (MIR) in KSTAR

Park, Hyeon Keo , Lee, JiEun , Lee, Woochang , Leem, June-EoK , Yun, Gunsu , Kim, YG , Park, H , Kim, Kang Wook , Domier, CW , Luhmann Jr, NC

Conference Paper Issue Date2014-08-17 View74

2-D/3-D visualization of MHD instabilities and turbulence on KSTAR and WEST

Nam, Yoonbum , Park, Hyeon Keo , Kim, Minwoo , Lee, Jaehyun , Yun, Gunsu , Lee, Woochang

Conference Paper Issue Date2017-10-25 View86

2D/3D ECE imaging data for validation of turbulence simulation

Park, Hyeon Keo , Choi, Minjun , Yun, Gunsu , Lee, Jaehyun , Lee, Woochang , Park, Young-Seok , Sabbagh, SA , Wang, Weixing , Luhmann Jr, NC

Conference Paper Issue Date2015-11-18 View91

Analytic Verification of the Performance of Notch filters in the KSTAR ECEI System

Park, Hyeon Keo , Leem, June-EoK , Yun, Gunsu , Kim, Minwoo , Lee, Jaehyun , Lee, Woochang , Kang, JS , Ito, N , Mase, A

Conference Paper Issue Date2014-02-24 View71

Change of the toroidal mode number of the edge localized modes during ELM evolution in KSTAR plasma

Park, Hyeon Keo , Lee, Jieun , Lee, Jaehyun , Kim, Minwoo , Yun, Gunsu , Lee, Woochang , Ko, Wonha

Conference Paper Issue Date2015-04-23 View76

Comparative ELM study between the observation by ECEI and linear/nonlinear simulation in the KSTAR plasmas

Park, Hyeon Keo , Kim, Minwoo , Yun, Gunsu , Lee, Jaehyun , Lee, Jieun , Lee, Woochang , Jsardin, Stephen , Xu, XQ

Conference Paper Issue Date2015-11-17 View73

Comparison study of the measured ELM by ECEI and synthetic image from BOUT++ in KSTAR H-mode plasma

Park, Hyeon Keo , Kim, Minwoo , Choi, Minjun , Yun, Gunsu , Lee, Jaehyun , Lee, Woochang , Xu, X , Domier, CW , Luhmann Jr, NC , KSTAR team

Conference Paper Issue Date2014-02-24 View74

Design characteristics of the ECEI system for WEST tokamak

Park, Hyeon Keo , Nam, YB , Lee, Woochang , Yun, Gunsu , Kim, Minwoo , Sabot, Roland , Shen, Junsong , Elbeze, Didier , Lotte, Philippe

Conference Paper Issue Date2016-06-07 View79

Design of ECEI system for WEST tokamak

Park, Hyeon Keo , Nam, Yoonbum , Lee, Woochang , Yun, Gunsu , Kim, Minwoo , Sabot, R , Shen, J , Elbese , D , Lotte, P

Conference Paper Issue Date2016-02-24 View59

Development of post analysis plan for nonlinear ELM simulation using the BOUT++ in KSTAR H-mode plasma

Kim, Minwoo , Lee, Jaehyun , Yun, Gunsu , Lee, Jieun , Park, Hyeon Keo

Conference Paper Issue Date2016-04-20 View55

Distinct dynamics of edge-localized modes in KSTAR

Park, Hyeon Keo , Yun, Gunsu , Lee, Jaehyun , Lee, Jieun , Thatipamula, S , Lee, Woochang , Choi, Minjun

Conference Paper Issue Date2016-02-25 View72

Distinctive changes of ion cyclotron emissions around the crash onset of edge-localized mode

Kim, Minho , Park, Hyeon Keo , Thatipamula, Shekar G. , Lee, JE , Choi, MJ , Nam, YB , Yun, Gunsu

Conference Paper Issue Date2017-01-19 View76

Dynacmis of coupled tearing modes in KTAR plasmas

Park, Hyeon Keo , Kim, G , Yun, Gunsu , Lee, Woochang , Choi, Minjun , Woo, MH , KSTAR team

Conference Paper Issue Date2015-02-25 View61

Dynamic spectra of radio frequency bursts associated with edge-localized modes

Park, Hyeon Keo , Thatipamula, Shekar , Yun, Gunsu , Leem, June-eok , Kim, KW , Akiyama, T , Lee, SG

Conference Paper Issue Date2016-02-25 View62

Dynamics of multiple flux tubes in sawtoothing KSTAR plasmas heated by electron cyclotron waves: I. Experimental analysis of the tube structure File

Choe, Gyuenghyuen , Yun, Gunsu , Nam, Yoonbum , Lee, Woochang , Park, Hyeon Keo , Bierwage, Andreas , Domier, Calvin W. , Luhmann, N. C., Jr , Jeong, J.H. , Bae, Youngsoon

Article Issue Date2015-01 View145

Edge turbulence measurement through correlation study of ECEI in the ELM crash suppressed plasmas in KSTAR

Park, Hyeon Keo , Lee, Jaehyun , Choi,Minjun , Yun, Gunsu , Lee, Woochang , Luhmann, Jr, NC

Conference Paper Issue Date2015-02-26 View72

Edge-localized mode (ELM)-Turbulence interaction during ELM-crash-suppression regime under n=1 RMP in the KSTAR

Lee, Jaehyun , Yun, Gunsu , Choi, Minjun , Lee, Woochang , Park, Hyeon Keo , Luhmann, Neville C. , Kwon, Jae-Min , Jeon, Young-Mu

Conference Paper Issue Date2016-06-21 View83

ELMS observation using KTAR MIR system as an interferometer combined with KSTAR ECEI system

Park, Hyeon Keo , Ayub, MK , Kim, Minwoo , Leem, June-EoK , Yun, Gunsu , Lee, Woochang

Conference Paper Issue Date2015-02-25 View66

Estimation of ExB flow velocity and related flow physics from the measured poloidal velocities of density fluctuations in KSTAR L-mode plasmas

Park, Hyeon Keo , Lee, Woochang , Leem, June-EoK , Choi, Minjun , Yun, Gunsu , Ko, SH , Lee, KD , Ko, Wonha , Budny, RV , Wang, W , et al

Conference Paper Issue Date2015-06-25 View75

Evidence of perpendicular flow bifurcation at the onset of ELM-crash uppression

Lee, Jaehyun , Jeon, YoungMu , In, Yongkyoon , Yun, Gunsu , Kim, Minwoo , Choi, Minjun , Park, Gunyoung , Park, Hyeon Keo

Conference Paper Issue Date2017-10-23 View60

ExB flow velocity measurement with microwave imaging reflectometry in KSTAR NB heated L-mode plasmas

Park, Hyeon Keo , Lee, Woochang , Leem, June-EoK , Choi, Minjun , Yun, Gunsu , Ko, SH , Lee, KD , Ko, Wonha , Bundy, RV , Wang, W , et al

Conference Paper Issue Date2015-05-19 View81

ExB Flow Velocity Prediction with Microwave Imaging Reflectometer in KSTAR L-mode Plasmas

Park, HyeonKeo , Lee, Woochang , Leem, June-EoK , Choi,Minjun , Yun, Gunsu , Ko, SH , Lee, KD , Ko, Wonha , Bundy, RV , Wang, W , et al

Conference Paper Issue Date2015-04-23 View69

Fast spectral measurements and imaging of electromagnetic radiations for the study of plasma instabilities

Park, Hyeon Keo , Lee, Woochang , Yun, Gunsu , Kim, Kang Wook , Luhmann, NC , Lee, Jaehyun , Thatipamula, S , Leem, June-EoK , Kim, MH , Lee,SG

Conference Paper Issue Date2015-02-25 View77

High field side imaging of edge-localized mode filaments on KSTAR using ECEI

Park, Hyeon Keo , Lee, Jaehyun , Yun, Gunsu , Kim, Minwoo , Choi, Minju , Choe, Gyeonghyeon , Lee, Woochang , Luhmann Jr, NC , Hahn, SH , Lee, KD , et al

Conference Paper Issue Date2014-02-24 View70

High-resolution quasi 3D images of complicate disruptive events in KSTAR plasmas

Park, Hyeon Keo , Choi, Minjun , Yun, Gunsu , Lee, Woochang , Luhmann, Jr, NC , Lee, KD , Ko, Wonha , Park, YS , KSTAR team

Conference Paper Issue Date2015-02-25 View62

Imaging of disruption by coupled tearing modes in KSTAR

Park, Hyeon Keo , Kim, Gnan , Yun, Gunsu , Lee, Woochang , Choi, Minjun , Woo, M , the KSTAR team

Conference Paper Issue Date2016-02-25 View80

Improved LO optics for KSTAR ECEI system

Park, Hyeon Keo , Lee, DJ , Lee, Jaehyun , Nam, Yoonbum , Kim, C , Yun, Gunsu , Lee, Woochang

Conference Paper Issue Date2016-02-24 View58

Investigation of High Confiment Mode KSTAR discharges using Fast Radio Frequency Spectrometer

Park, Hyeon Keo , Thatipamula, S , Leem, June-EoK , Yun, Gunsu , Woo, DS , Kim, Kang Wook , Lee, SG

Conference Paper Issue Date2015-02-25 View72

KSTAR ECE Imaging System for Visualization of MHD and Turbulence Physics

Lee, Jaehyun , Park, Hyeon Keo , Nam, Yoonbum , Kim, Minwoo , Yun, Gunsu , Choi, Minjun , Lee, Woochang

Conference Paper Issue Date2017-01-18 View81

Linear stability analysis of the multiple modes induced by the current blip in the core of the KSTAR plasmas

Park, Hyeon Keo , Nam, Yoonbum , Choi, Minjun , Choe, Gyeonghyeon , Yun, Gunsu , Jardin, S

Conference Paper Issue Date2015-02-25 View80

Linear Stability and the Eigenmode Structure of Multiple Modes Induced by a Current Density Perturbation in Sawtoothing KSTAR Plasmas

Park, Hyeon Keo , Nam, Yoonbum , Choi,Minjun , Choe,Gyeonghyeon , Yun, Gunsu , Jardin, Stephen

Conference Paper Issue Date2015-04-23 View75

Linear/nonlinear ELM simulation using BOUT++ and M3D-C1 in KSTAR ELMy H-mode plasma

Park, Hyeon Keo , Kim, Minwoo , Lee, Jaehyun , Lee, Jieun , Yun, Gunsu , Lee, Woochang , Xu, Xueqiao , Jardin, Stephen , the KSTAR team

Conference Paper Issue Date2016-02-25 View68

Localized electron heating and current drive on slow sawtooth relaxation

Park, Hyeon Keo , Yun, Gunsu , Choe, Gyueng Hyueon , Choi, Minjun , Jeong, JH , Woo, MH

Conference Paper Issue Date2016-02-25 View66

Localized explosive magnetic reconnection in magnetized plasmas

Park, Hyeon Keo , Yun, Gunsu , Kim, Minho , Choe,Gyeonghyeon , Nam, Yoonbum , Leem, June-EoK , Thatipamula, Shekar , Lee, Woochang , Kim, Kang Wook , Lee, Sanggon

Conference Paper Issue Date2015-04-23 View98

Measurement of density fluctuations during ELMs in the KSTAR tokamak using Microwave Imaging Reflectometry

Park, Hyeon Keo , Leem, June-EoK , Yun, Gunsu , Lee, Woochang

Conference Paper Issue Date2015-02-25 View71

Measurement of poloidal rotation velocity of long-wavelength density turbulence with microwave imaging reflectometry in KSTAR

Park, Hyeon Keo , Lee, Woochang , Leem, June-EoK , Lee, JH , Yun, Gunsu , Nam, YU , Ko, Wonha , Jeong, JH , KSTAR team

Conference Paper Issue Date2014-02-24 View91

MHD-stabilized reactor-relevant fusion plasmas (with full integration of edge, divertor and core)

In, Yongkyoon , Yun, Gunsu , Yoon, Eisung , Kim, Kangwook

Conference Paper Issue Date2021-10-22 View79

Microwave imaging of magnetohydrodynamic instabilities in fusion plasma File File

Sabot, Roland , Elbeze, Didier , Lee, Woochang , Nam, Yoonbum , Park, Hyeon , Shen, Junsong , Yun, Gunsu , Choi, Minjun , Giacalone, Jean-Claude , Nicolas, Timothee , et al

Article Issue Date2016-11 View106

Modified edge-localized mode structure and its interaction with edge turbulence under n=1 magnetic perturbation

Lee, Jaehyun , Park, Hyeon Keo , Yun, Gunsu , Choi, Minjun , Kwon, JM , Jeon, MY , Lee, Woochang , Luhmann JR, N.C

Conference Paper Issue Date2017-01-18 View65

Multimode excitation during the inter-ELM-crash periods in KSTAR H-mode plasma File

Kim, Myungjin , Lee, J , Park, Hyeon Keo , Yun, Gunsu , Lee, Woochang , Domier, Calvin W. , Luhmann, N. C.

Article Issue Date2015-07 View109

Mutual interaction between ELMs and turbulence in ELM-crash-suppressed plasma

Lee, Jaehyun , Park, Hyeon Keo , Yun, Gunsu , Choi, Minjun , Kwon, Jae-Min , Jeon, Young-Mu , Lee, Woochang , Luhmann, Jr., NC

Conference Paper Issue Date2016-12-04 View85

New compact and efficient LO optic system for KSTAR ECEI system

Park, Hyeon Keo , Lee, DJ , Lee, Jaehyun , Kim, Chansam , Yun, Gunsu , Lee, Woochang , Nam, Yoonbum

Conference Paper Issue Date2016-06-07 View79

Nonlinear BOUT++ ELM simulation in KSTAR H-mode plasma

Kim, Minwoo , Park, Hyeon Keo , Lee, J , Yun, Gunsu , Xu, X

Conference Paper Issue Date2017-01-19 View75

Nonlinear interaction between edge-localized modes (ELMs) and edge turbulence during ELM-crash-suppression phase under n=1 RMP

Lee, Jaehyun , Yun, Gunsu , Choi, Minjun , Kwon, Jae-min , Jeon, Young-Mu , Lee, Woochang , Luhmann,JR, NC , Park, Hyeon Keo

Conference Paper Issue Date2016-11-01 View74

Nonlinear interaction of ELM and edge turbulence during ELM-crash-suppression under n=1 RMP

Park, Hyeon Keo , Lee, Jaehyun , Yun, Gunsu , Choi, Minjun , Lee, Woochang , Luhmann, Jr., NC , Kwon, Jae-Min , Jeon, Young-Mu

Conference Paper Issue Date2016-02-25 View61

O-1 ECE Imaging of Edge-Localized Modes in the High-Field Side

Yun, Gunsu , Lee, Jaehyun , Choe, G , Choi, Minjun , Lee, Woochang , Park, Hyeon Keo , Hahn, H , Lee, KD , Yoon, SW , Luhmann Jr, NC

Conference Paper Issue Date2014-04-22 View108

Observation of edge turbulence spread by ECEI on the ELM-crash-suppressed plasmas in the KSTAR

Park, Hyeon Keo , Lee, Jaehyun , Choi, Minjun , Yun, Gunsu , Lee, Woochang , Luhmann Jr, NC

Conference Paper Issue Date2015-11-18 View83

Observation of minor and major disruption processes in the KSTAR plasmas with ECEI diagnostics

Park, Hyeon Keo , Choi, Minjun , Yun, Gunsu , Lee, Woochang , Domier, CW , Luhmann, Jr, NC , KSTAR team

Conference Paper Issue Date2014-02-24 View94

Observation of reduced turbulence scale length by electron cyclotron heating in KSTAR L-mode plasmas

Park, Hyeonkeo , Lee, Jihun , Lee, Woochang , Yun, Gunsu , Leem, June-EoK , Kim, YG , Park, H , Kim, Kang Wook , Domier, CW , Luhmann, Jr, NC

Conference Paper Issue Date2015-04-23 View63

Outward transition of edge-localized modes in the inter-crash period of H-mode plasma

Park, Hyeon Keo , Lee, Jieun , Yun, Gunsu , Lee, Jaehyun , Kim, Minwoo , Choi, Minjun , the KSTAR team

Conference Paper Issue Date2016-02-25 View62

Progress of the KSTAR Research Program Exploring the Advanced High Performance and Steady-State Plasma Operations File

Oh, Yeong-Kook , Yoon, Siwoo , Jeon, Young-Mu , Ko, Won-Ha , Hong, Suk-Ho , Lee, Hyung-Ho , Kwon, Jae-Min , Choi, Minjun , Park, Byung-Ho , Kwak, Jong-Gu , et al

Article Issue Date2018-09 View107

q-profile evolution model for high-m mode structures in sawtoothing KSTAR plasma induced by ECH/CD

Park, Hyeon Keo , Nam, Yoonbum , Choe,Gyeonghyeon , Choi,Minjun , Yun, Gunsu , Jardin, Stephen , Lee, Woochang

Conference Paper Issue Date2015-10-22 View117

Quasi 3-D ECE Imaging System for Study of MHD instabilities in KSTAR

Park, Hyeon Keo , Yun, Gunsu , Lee, Woochang , Choi, Minjun , Lee, Jaehyun , Kim, Minwoo , Leem, June-EoK , Nam, Y , Choe, Gyeonghyeon , Park, H , et al

Conference Paper Issue Date2014-06-03 View82

Quasi 3D ECE imaging system for study of MHD instabilities in KSTAR File

Yun, Gunsu , Lee, Woochang , Choi, Minjun J. , Lee, Jisan , Kim, Moohwan , Leem, J. , Nam, Yoonbum , Choe, G. H. , Park, Hyeon Keo , Park, Hyeok , et al

Article Issue Date2014-11 View88

Quasi-coherent mode observation in KSTAR ohmic plasmas with microwave imaging reflectometry

Park, Hyeon Keo , Lee, JA , Lee, Woochang , Leem, June-eok , Yun, Gunsu , Kim, TK , Park, H , Kim, KW , Park, YS , Ko, SH , et al

Conference Paper Issue Date2016-02-24 View75

Rapid transition of the toroidal eigenmode number of the edge localized modes in KSTAR plasmas

Park, Hyeon Keo , Lee, Jieun , Kim, Minwoo , Lee, Jaehyun , Yun, Gunsu , Lee, Woochang , Ko, Wonha , KSTAR team

Conference Paper Issue Date2015-02-25 View92

Recent Advancement in Research and Planning toward High Beta Steady State Operation in KSTAR

Park, Hyeon Keo , Hong, S , Humphreys, D , IN, YK , Jeon, YM , Kwak, JG , Kwon, JM , Nam, YU , Oh, YK , Park, JK , et al

Conference Paper Issue Date2015-12-15 View71

Relative Calibration between the ECEI Channels using the MHD instability

Park, Hyeon Keo , Choi,Minjun , Yun, Gunsu , Choe,Gyeonghyeon , Lee, Woochang , KSTAR team

Conference Paper Issue Date2015-04-23 View100

Resonant filamentary modes and broadband wave dispersion measured by 2-D ECE imaging in ELM -suppressed H-mode plasmas by n=1 RMP on KSTAR

Park, Hyeon Keo , Yun, Gunsu , Lee, Jaehyun , Choi, Minjun , Lee, Woochang , Luhmann Jr, NC , Jeon, YM , Yoon, SY

Conference Paper Issue Date2014-10-22 View66

Role of the equilibrium and perturbative central current density in sawtoothing and non-sawtoothing discharges in KSTAR

Park, Hyeon Keo , Nam, YB , Choi, Minjun , Choe, Gyeonghyeon , Lee, Woochang , Yun, Gunsu , Jardin, S

Conference Paper Issue Date2015-06-25 View84

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