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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 View45

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 View57

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 View46

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 View41

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 View40

Collective Thomson Scattering System combined with the MIR system in KSTAR

Lee, Dongjae , Lee, Woochang , Park, Hyeon Keo , NAm, Yongun , Leem, Juneeok

Conference Paper Issue Date2017-10-25 View37

Compact ECEI system with in-vessel reflective optics for WEST File

Nam, YB , Park, Hyeon Keo , Lee, Woochang , Yun, GS , Kim, M , Sabot, R , Elbeze, D , Lotte, P , Shen, J

Article Issue Date2016-11 View40

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 View36

Comparative study between ion-scale turbulence measurements and gyrokinetic simulations

Park, Hyeon Keo , Lee, Woochang , Ko, SH , Choi, MJ , Ko, WH , Lee, KD , Leem, J , Wang, WX , Bundy, RV , Park, YS , et al

Conference Paper Issue Date2016-11-01 View27

Comparison of measured 2D ELMs with synthetic images from BOUT plus plus simulation in KSTAR File

Kim, M. , Choi, M. J. , Lee, J. , Yun, G. S. , Lee, Woochang , Park, Hyeon Keo , Domier, C. W. , Luhmann, N. C., Jr. , Xu, X. Q.

Article Issue Date2014-09 View53

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 View27

Conceptual design ofECE imaging system forITER-like high temperature plasma

Lee, Woochang , Nam, YB , Park, Hyeon Keo , Park, HK , Seon, CR , Yun, GS

Conference Paper Issue Date2014-06-03 View24

Dependence of Spatial Scale of Quasi-Coherent Mode on Collisionality in Electron Cyclotron Resonant Heating Assisted Low-Confinement Plasmas File

Lee, Jihun A. , Leem, June-Eok , Yun, Gunsu S. , Park, Hyeon K. , Lee, Woochang

Article Issue Date2018-08 View43

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 View38

Design of a collective sacttering system for electron gyroscale turbulence study in KSTAR

Park, Hyeon Keo , Lee, Woochang , Lee, Dongjae , Leem, June-EoK , Nam, Yongun

Conference Paper Issue Date2015-11-17 View27

Design of a collective scattering system for small scale turbulence study in Korea Superconducting Tokamak Advanced Research File

Lee, Woochang , Park, Hyeon Keo , Lee, D.J. , Nam Y.U. , Leem, J. , Kim, T.K.

Article Issue Date2016-04 View29

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 View25

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 View27

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 View26

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 View89

Dynamics of multiple flux tubes in sawtoothing KSTAR plasmas heated by electron cyclotron waves: II. Theoretical and numerical analysis File

Bierwage, Andreas , Yun, Gunsu S. , Choe, Gyueng Hyuen , Nam, Yoonbum , Lee, Woochang , Park, Hyeon Keo , Bae, Youngsoon

Article Issue Date2015-01 View64

E × B flow velocity deduced from the poloidal motion of fluctuation patterns in neutral beam injected L-mode plasmas on KSTAR File

Lee, Woochang , Leem, J. , Yun, G.S. , Park, Hyeon Keo , Ko, S.H. , Choi, M.J. , Wang, W.X. , Budny, R.V. , Ethier, S. , Park, Y.S. , et al

Article Issue Date2016-05 View56

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 View30

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 View42

Edge-localized modes in KSTAR: distint evolution stages and structure

Yun, GS , Lee, J , Lee, JE , Thatipamula, S , Kim, MH , Choi, MJ , Lee, Woochang , Park, Hyeon Keo

Conference Paper Issue Date2016-06-30 View35

Edge-localized modes on KSTAR: Global structure and distinct evolution stage involving quasi-steady state and pahse transitions

Yun, GS , Lee, J , Lee, JE , Thatipamula, SG , Kim, MH , Choi, MJ , Lee, Woochang , Park, Hyeon Keo

Conference Paper Issue Date2016-10-21 View40

Effect of edge turbulence on ELM-crash-suppression under n=1 RMP

Lee, J , Yun, GS , Choi, MJ , Lee, Woochang , Park, Hyeon Keo , Luhmann, Jr, NC , Kwon, JM , Jeon, YM

Conference Paper Issue Date2016-07-07 View40

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 View30

Envelope-PIC Hybrid Method for the Simulation of Microwave Reflectometry File

Kang, Teyoun , Kwon, Kyu Been , Cho, Myung-Hoon , Kim, Young-Kuk , Hur, Min Sup , Park, Hyeon Keo , Lee, Woochang

Article Issue Date2018-03 View91

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 View32

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 View24

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 View27

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 View37

Fluctuation induced particle flux measurements by microwave imaging reflectometry in KSTAR plasma

Park, Hyeon Keo , Pravesh Dhyani , Lee, Woochang , Lee, JA , Leem, June-eok , the KSTAR team

Conference Paper Issue Date2016-02-24 View21

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 View24

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 View25

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 View46

Improved accuracy in the estimation of the tearing mode stability parameters (Delta ' and w(c)) using 2D ECEI data in KSTAR File

Choi, Minjun J. , Yun, Gunsu S. , Lee, Woochang , Park, Hyeon Keo , Park, Young-Seok , Sabbagh, Steve A. , Gibson, Kieran J. , Bowman, Christopher , Domier, Calvin W. , Luhmann, Neville C., Jr. , et al

Article Issue Date2014-08 View60

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 View23

Interpretation of electron cyclotron emission singal from optically marginal plasma File

Ayub, Muhammad Khawar , Yun, Gunse S. , Lee, Woochang , Park, Hyeon Keo

Article Issue Date2017-02 View123

Ion gyroscale fluctuation measurement with microwave imaging reflectometer on KSTAR File

Lee, Woochang , Leem, J. , Yun, G. S. , Park, Hyeon Keo , Ko, S. H. , Wang, W. X. , Budny, R. V. , Luhmann Jr., N. C. , Kim, K. W.

Article Issue Date2016-11 View36

Ion-scale turbulence measurements in KSTAR L-mode discharges

Lee, Woochang , Park, Hyeon Keo , Leem, J , Yun, GS , Ko, SH , Park, YS , Kim, TK , Park, H , Lim, KW , Domier, CW , et al

Conference Paper Issue Date2016-06-07 View30

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 View28

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 View44

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 View45

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 View33

Measurement of fluctuation induced particle flux by microwave imaging reflectometry in KSTAR plasma

Dhyani, Pravesh , Lee, Woochang , Lee, JA , Leem, J , Park, Hyeon Keo , KSTAR team

Conference Paper Issue Date2016-06-27 View33

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 View47

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 View66

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 View28

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 View63

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 View41

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 View33

New compact and efficient local oscillator optic system for the KSTAR electron cyclotron emission imaging system File

Nam, Y.B. , Lee, DJ , Lee, J , Kim, C , Yun, GS , Lee, Woochang , Park, Hyeon Keo

Article Issue Date2016-11 View41

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 View32

Nonlinear Interaction of Edge-Localized Modes and Turbulent Eddies in Toroidal Plasma under n=1 Magnetic Perturbation File

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

Article Issue Date2016-08 View29

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 View33

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 View46

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 View28

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 View43

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