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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 View7

New investigation of reconnection time scale of the m/n=1/1 sawtooth instability in tokamak plasmas

Park, Hyeon Keo , Nam, Yoonbum

Conference Paper Issue Date2017-10-23 View11

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 View9

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 View5

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 View6

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 View17

Observation and linear stability analysis of the core equilibrium perturbed by current blip by ECH/CD in KSTAR plasmas

Bierwage, A , Jardin, S , Nam, YB , Park, Hyeon Keo , Park, HK

Conference Paper Issue Date2014-06-25 View1

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 View11

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 View13

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 View7

Optics design of new ECEI system on KSTAR H-port

Jung, Leekyo , Park, Hyeon Keo , Nam, Yoonbum , Kim, Minwoo , Lee, Seungha

Conference Paper Issue Date2017-01-18 View8

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 View6

Plasma Rotation Alteration by Non-axisymmetric Magnetic Fields, Resistive MHD Stability Analysis, and High Normalized Beta Plasmas Exceeding the Ideal Stability Limit in KSTAR*

Bak, JG , Berkery, JW , Bialek, JM , Choi, MJ , Jeon, YM , Ko, WH , Park, Hyeon Keo , Park, YS , Sabbagh, SA

Conference Paper Issue Date2014-10-16 View4

Progress Status of the Microwave Imaging Reflectometry(MIR) in KSTAR

Park, Hyeon Keo , Leem, J , Lee, Woochang , Lee, DJ , Lee, JE , Yun, GS , Kim, Tea-kyu , Park, Hyun , Kim, Kang-wook

Conference Paper Issue Date2016-06-07 View6

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 View16

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 View8

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 View3

Radial electric field prediction with MIR / Preliminary result of weak magnetic perturbation on edge turbulence experiment

Park, Hyeon Keo , Lee, WooChang , Leem, June-EoK , Lee, Ji Hun , Yun, GunSu , Ko, SH , Ko, WH , Lee, KD , Nam,YU , Park, YS , et al

Conference Paper Issue Date2015-02-25 View14

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 View13

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 View1

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 View18

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 View5

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 View8

Role of the equilibrium and perturbative core current dencity in sawtoothing and non-sawtoothing discharges in KSTAR

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

Conference Paper Issue Date2015-11-18 View7

Simultaneous imaging of edge-localized filaments in inboard and outboard sides of KSTAR H-mode plasmas inboard and outboard sides of KSTAR H-mode plasmas1

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

Conference Paper Issue Date2014-10-27 View7

Simultaneous measurement of poloidal flow velocity of the density turbulence at two radial positions in the KSTAR plasma

Park, Hyeon Keo , Domier, CW , Ko, WH , Lee, SG , Lee, W , Leem, J , Luhmann, Jr. NC , Park, H , Yun, GS

Conference Paper Issue Date2014-06-26 View5

Simultaneous Measurement of the ELMs at Both High and Low Field Sides and ELM Dynamics in ELM Crash-Free Period in KSTAR

Park, Hyeon Keo , Choi, MJ , Jeon, YM , Kim, M , Lee, J , Lee, JE , Lee, SG , Lee, W , Yoon, SW , Yun, GS

Conference Paper Issue Date2014-10-16 View4

Simultaneous Visualization of the Edge-Localized Modes in High and Low Field Sides using ECEI

Hah, SH , Kim, M , Lee, Jaehyun , Lee, JE , Lee, W , Luhmann, Jr. NC , Park, Hyeon Keo , Yun, GS

Conference Paper Issue Date2014-06-25 View6

Solitary perturbaitons prior to the partial collapse of the edge pedestal in KSTAR H-mode plasmas

Lee,JE , Yun, GS , Kim, MH , Kim, M , Lee, J , Park, Hyeon Keo , Choi,M , Ko, WH

Conference Paper Issue Date2016-10-31 View10

Solitary perturbation triggering the collapse of edge confinement

Yun, GS , Park, Hyeon Keo , LEE, JE , Lee, W , Kim, MH , Choi, M , Lee, J , Kim, M , Bak, JG , Ko, WH , et al

Conference Paper Issue Date2017-01-18 View11

Spatial and temporal scales of ion-scale turbulence in L-mode discharges

Park, Hyeon Keo , Lee, Woochang , Leem, June-eok , Lee, JA , Choi, Minjun , Yun, Gunsu , Ko, SH , Park, YS , Bundy, RV , Wang, WX , et al

Conference Paper Issue Date2016-02-24 View4

Study of ECCD driven core instabilities in KSTAR H-mode plasma

Park, Hyeon Keo , Choe,Gyeonghyeon , Yun, Gunsu , Nam, Yoonbum , Lee, Woochang , Bierwage, A , Jeong, JH , Bae, YS , Domier, CW , Luhmann Jr, NC , et al

Conference Paper Issue Date2015-02-26 View12

Study of Edge Localized Perturbations using KSTAR MIR System as an Interferometer

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

Conference Paper Issue Date2015-01-09 View7

Study of edge turbulence through correlation analysis of 2-D ECEI channels in the KSTAR

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

Conference Paper Issue Date2015-06-25 View10

Study of nonlinear phase of the ELMs by comparison between ECEI ELM observation and nonlinaer MHD simulations

Kim, Minwoo , Lee, J , Lee, JE , Park, Hyeon Keo , Yun, GS , Lee, Woochang , Xu, X , Jardin, SC , Bécoulet, M

Conference Paper Issue Date2016-10-19 View12

Study of quasi-coherent fluctuations in low-density ECH and NBI L-mode plasmas on KSTAR

Lee, W , Ko, SH , Leem, J , Yun, GS , Park, Hyeon Keo , Kim, KW , Luhmann Jr, N.C

Conference Paper Issue Date2017-10-23 View7

Sudden mode number changes during the ELM evolution

Park, Hyeon Keo , Lee, JiEun , Lee, Jaehyun , Yun, Gunsu , Domier, CW , Luhmann Jr, NC , Kim, Minwoo , Lee, Woochang , KSTAR team

Conference Paper Issue Date2014-02-24 View7

Sudden mode number transitions during ELM evolution studied by the ECE imaging system on the KSTAR tokamak

Park, Hyeon Keo , Lee, JiEun , Lee, Jaehyun , Kim, Minwoo , Yun, Gunsu , Lee, Woochang , Domier, CW , Luhmann Jr, NC , Lee, SG , KSTAR team

Conference Paper Issue Date2014-08-17 View6

Test of the ITER-Like RMP Configurations for ELM-Crash-Suppression on KSTAR

In, Yongkyoon , Jeon, YM , Park, JK , Loarte, A , Ahn, JW , Lee, HH , Kim, K , Park, GY , Lee, JH , Kim, MW , et al

Conference Paper Issue Date2018-10-26 View8

The coexistence of multiple mode structures during the inter-ELM-crash period in KSTAR H-mode plasma

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

Conference Paper Issue Date2015-02-25 View11

The Excitation of Multiple Mode during the inter-ELM-crash Period in KSTAR H-mode Plasma

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

Conference Paper Issue Date2015-04-23 View35

The Status of KSTAR and Research Plan

Park, Hyeon Keo , Oh, KY , Yoon, SW

Conference Paper Issue Date2016-11-01 View16

Toward holistic understanding of the ITER-like RMP ELM control on KSTAR

In, Yongkyoon , Lee, H. , Park, G. , Jeon, Y.M. , Kim, M.W. , Kim, K.M. , Park, J.K. , Yang,S.M. , Loarte, A. , Liu, Y. , et al

Conference Paper Issue Date2021-05-13 View9

Transition of eigen mode number of edge localized modes in toroidal plasma

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

Conference Paper Issue Date2016-04-20 View12

Turbulence induced particle flux measurements by microwave imaging reflectometry

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

Conference Paper Issue Date2016-06-21 View10

Upgrade of 2D Mircrowave Imaging Reflectometry (MIR) in KSTAR

Park, Hyeon Keo , Leem, June-EoK , Lee, Woochang , Lee, Ji Hun , Nam, Yoonbum , Yun, Gunsu , Park, H , Kim, Kang Wook , Domier, CW , Luhmann,Jr, NC

Conference Paper Issue Date2015-04-23 View14

Validation of q0 > 1.0 in the MHD quiescent time after crash of the sawtooth instability in KSTAR

Park, Hyeon Keo , Ko, J , Nam, Y , Bae, YS , Choe, GH , Yun, G , Jardin, S

Conference Paper Issue Date2016-10-19 View7

Validation of the measured q0 > 1.0 in MHD quiescent period after the sawtooth crash in KSTAR

Park, Hyeon Keo , Nam, YB , Ko, JS , Choi, MJ , Choe, GH , Lee, Woochang , Yun, GS , Jardin, S

Conference Paper Issue Date2016-06-28 View16

Vision of KSTAR Research and Perspective of Fusion

Park, Hyeon Keo

Conference Paper Issue Date2015-02-27 View12

Vision of KSTAR Research toward the Korean Fusion effort

Park, Hyeon Keo , Oh, YK , Yoon, SW , KSTAR Team

Conference Paper Issue Date2017-01-20 View8

Vision of the KSTAR research for beyond the ITER

Park, Hyeon Keo

Conference Paper Issue Date2016-02-26 View8

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