Home > Publications > **Peer-reviewed articles**

1 | Jonghyeon Ryu, Seunggi Ham, Juhyeong Lee, JongYoon Park, Sungbin Park, YeongHwan Choi, H.J. Woo, Kern Lee, Y.-c. Ghim, Y.S. Hwang and Kyoung-Jae Chung A modular X-pinch device for versatile X-pinch experiments at Seoul National University submitted to Rev. Sci. Instrum. |
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46 | Seunggi Ham, Jonghyeon Ryu, Sungbin Park, Kyoung-Jae Chung, Y.-c. Ghim, H.J. Woo and Y.S. Hwang Development of filtered AXUV diode array for X-pinch soft X-ray spectrum reconstruction in the energy range of 1 - 10 keV |
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45 | Seongmin Choi, Dong-Geun Lee, H.J. Woo, S.H. Hong, Seunggi Ham, Jonghyeon Ryu, Kyoung-Jae Chung, Y.S. Hwang and Y.-c. Ghim Data analysis scheme for correcting general misalignments of an optics configuration for a voltage measurement system based on the Pockels electro-optic effect |

44 | Dong-Geun Lee, K.C. Lee, J.-W. Juhn, Jae-seok Lee and Y.-c. Ghim New heterodyne dispersion interferometer system, Single Crystal Dispersion Interferometer, installed on KSTAR and its first measurement |

43 | Jae-seok Lee, Dong-Geun Lee, K.C. Lee, J.-W. Juhn and Y.-c. Ghim Development of a forward model for Bayesian analysis of a Single Crystal Dispersion Interferometer |

42 | Yegeon Lim, Yong Sung You, Wonjun Lee, Bin Ahn, Se Youn Moon, B. Kim, H.J. Woo, Taihyeop Lho, W. Choe and Y.-c. Ghim New low temperature multidipole plasma device with a magnetic X-point and its properties |

41 | Jaewook Kim, M.J. Choi, Y.U. Nam, Hogun Jhang, J.G. Bak, S.H. Hahn, C. Sung, W. Choe and Y.-c. Ghim Nonlinear energy transfer from low frequency electromagnetic fluctuations to broadband turbulence during edge localized mode crashes |

40 | Seongmin Choi, Alvin A. Sugianto, Dong-geun Lee, H.J. Woo, S.H. Hong and Y.-c. Ghim Polar-coordinate-based data analysis scheme for high-voltage measurement system using the Pockels electro-optic effect |

39 | Sehyun Kwak, J. Svensson, S. Bozhenkov, J. Flanagan, M. Kempenaars, A. Boboc, Y.-c. Ghim and JET Contributors Bayesian modelling of Thomson scattering and multichannel interferometer diagnostics using Gaussian processes |

38 | Semin Joung, Jaewook Kim, Sehyun Kwak, J.G. Bak, S.G. Lee, H.S. Han, H.S. Kim, Geunho Lee, Daeho Kwon and Y.-c. Ghim Deep neural network Grad-Shafranov solver constrained with measured magnetic signals |

37 | J.R. Harrison et al. Overview of new MAST physics in anticipation of first results from MAST Upgrade |

36 | M.S. Bawaaneh, A.M. Al-Khateeb and Y.-c. Ghim Thermal enhancement of absorption of EM radiation in a hot magnetoplasma slab |

35 | Yeong-Kook Oh et al. Progress of the KSTAR Research Program Exploring the Advanced High Performance and Steady-State Plasma Operations |

34 | Semin Joung, Jaewook Kim, Sehyun Kwak, Kyeo-reh Park, S.H. Hahn, H.S. Han, H.S. Kim, J.G. Bak, S.G. Lee and Y.-c. Ghim Imputation of faulty magnetic sensors with coupled Bayesian and Gaussian processes to reconstruct the magnetic equilibrium in real time |

33 | M. S. Bawaaneh, A. M. Al-Khateeb and Y.-c. Ghim Resistance and reactance of monopole fields induced by a test charge drifting off-axis in a cold and collisional cylindrical plasma |

32 | Jaewook Kim, Wonjun Lee, Hogun Jhang, S.S. Kim, H.H. Kaang and Y.-c. Ghim Evolution of magnetic Kubo number of stochastic magnetic fields during the edge pedestal collapse simulation |

31 | Sang Min Kim, B. V. S. Jyoti, Seung Wook Baek, D. C. Kyritsis and Y.-c. Ghim Effects of electrostatic voltage and polarity on diffusion-controlled propane flame for enhanced efficiency |

30 | Kyeo-reh Park, Keon-hee Kim, Sehyun Kwak, J. Svensson, J.H. Lee and Y.-c. Ghim Feasibility study of direct spectra measurements for Thomson scattered signals for KSTAR fusion-grade plasmas |

29 | Keon-hee Kim, Tae-suk Oh, Kyeo-reh Park, J.H. Lee and Y.-c. Ghim Estimation of reliable range of electron temperature measurements with sets of given optical bandpass filters for KSTAR Thomson scattering system based on synthetic Thomson data |

28 | A. Kirk et al. Overview of recent physics results from MAST |

27 | H. Jhang, Y.-c. Ghim, Z.-x. Wang, J.M. Kwon and. N. Tamura Summary of the 6th Asia-Pacific transport working group (APTWG) meeting |

26 | G. J. Colyer, A. A. Schekochihin, F. I. Parra, C. M. Roach, M. A. Barnes, Y.-c. Ghim and W. Dorland Collisionality scaling of the electron heat flux in ETG turbulence |

25 | M. F. J. Fox, A. R. Field, F. van Wyk, Y.-c. Ghim, A. A. Schekochihin and the MAST Team Experimental determination of the correlation properties of plasma turbulence using 2D BES systems |

24 | M. F. J. Fox, F. van Wyk, A. R. Field, Y.-c. Ghim, F. I. Parra, A. A. Schekochihin and the MAST Team Symmetry breaking in MAST plasma turbulence due to toroidal flow shear |

23 | Sehyun Kwak, J. Svensson, M. Brix, Y.-c. Ghim and JET Contributors Bayesian electron density inference from JET lithium beam emission spectra using Gaussian processes |

22 | K.C. Lee, J.-W. Juhn, Y.U. Nam, Y.S. Kim, S.W. Kim and Y.-c. Ghim The design of two color interferometer system for the 3-dimensional analysis of plasma density evolution on KSTAR |

21 | H.H. Lee, J. Seol, W.H. Ko, L. Terzolo, A.Y. Aydemir, Y. In, Y.-c. Ghim and S. G. Lee Effects of neoclassical toroidal viscosity induced by the intrinsic error fields and toroidal field ripple on the toroidal rotation in tokamaks |

20 | Jaewook Kim, Y.U. Nam, M. Lampert and Y.-c. Ghim Reliability of the two-point measurement of the spatial correlation length from Gaussian-shaped fluctuating signals in fusion-grade plasmas |

19 | Jaewook Kim, M.F.J. Fox, A.R. Field, Y.U. Nam and Y.-c. Ghim Conditions for generating synthetic data to investigate characteristics of fluctuating quantities |

18 | Tae-suk Oh, K.H. Kim, J.H. Lee, S.H. Lee, R. Scannell, A.R. Field, K. Cho, M.S. Bawa'aneh and Y.-c. Ghim Quantifying noise sources in the KSTAR 2014 Thomson Scattering system from the measured variation on electron temperature |

17 | X. Gao, Y.-c. Ghim, Y.W. Sun, Z. Gao, S. Inagaki, W. Chen, T. Zhang and Z.X. Wang APTWG: The 5th Asia-Pacific Transport Working Group Meeting |

16 | Sehyun Kwak, J. Svensson, M. Brix, Y.-c. Ghim and JET Contributors Bayesian modelling of the emission spectrum of the JET Li-BES system |

15 | H.Y. Lee, S.H. Hahn, Y.-c. Ghim, J.G. Bak, J.H. Lee, W.H. Ko, K.D. Lee, S.H. Lee, H.H. Lee, J.-W. Juhn, H.S. Kim, S.W. Yoon, H.Han, J.H. Hong, J.H. Jang, J.S. Park and Wonho Choe Edge localized mode characteristics during edge localised mode mitigation by supersonic molecular beam injection in Korea Superconducting Tokamak Advanced Research |

14 | I.T. Chapman et al. Overview of MAST results |

13 | H.-S. Kim, Y.M. Jeon, Y.-S. Na, Y.-c. Ghim, J.-W. Ahn, S.W. Yoon, J.G. Bak, Y.S. Bae, J.S. Kim, M. Joung, J.-H. Jeong, S.H. Hong, K.M. Kim, T. Suzuki, W.C. Kim, J.-G. Kwak and the KSTAR Team Characteristics of global energy confinement in KSTAR L- and H-mode plasmas |

12 | Y.-c. Ghim, A. R. Field, A. A. Schekochihin, E. G. Highcock, C. Michael and the MAST Team Local dependence of ion temperature gradient on magnetic configuration, rotational shear and turbulent heat flux in MAST |

11 | A. R. Field, D. Dunai, Y.-c. Ghim, P. Hill, B. McMillan, C. M. Roach, S. Saarelma, A. A. Schekochihin, S. Zoletnik and the MAST Team Comparison of BES measurements of ion-scale turbulence with direct gyro-kinetic simulations of MAST L-moda plasmas |

10 | H. Meyer et. al. Overview of physics results from MAST towards ITER/DEMO and the MAST Upgrade |

9 | Y.-c. Ghim, A. A. Schekochihin, A. R. Field, I. Abel, M. Barnes, G. Colyer, S. C. Cowley, F. I. Parra, D. Dunai, S. Zoletnik and the MAST Team Experimental Signatures of Critically Balanced Turbulence in MAST |

8 | Y.-c. Ghim, A. R. Field, D. Dunai, S. Zoletnik, L. Bardoczi, A. A. Schekochihin and the MAST Team Measurement and physical interpretation of the mean motion of turbulent density patterns detected by the BES system on MAST |

7 | A. R. Field, D. Dunai, R. Gaffka, Y.-c. Ghim, I. Kiss, B. Meszaros, T. Krizsanoczi, S. Shibaev and S. Zoletnik BES turbulence imaging system for the MAST spherical tokamak |

6 | B. Lloyd et. al. Overview of physics results from MAST |

5 | A. R. Field, C. Michael, R. J. Akers, J. Candy, G. Colyer, W. Guttenfelder, Y.-c. Ghim, C. M. Roach, S. Saarelma and the MAST Team Plasma rotation and transport in MAST spherical tokamak Nucl. Fusion 51, 063006 (2011) |

4 | Y.-c. Ghim, A. R. Field, S. Zoletnik and D. Dunai Calculation of spatial response of 2D beam emission spectroscopy diagnostic on MAST |

3 | Y.-c. Ghim and N. Hershkowitz Experimental verification of Boltzmann equilibrium for negative ions in weakly collisional electronegative plasmas |

2 | Y.-c. Ghim and N. Hershkowitz Improved double planar probe data analysis technique |

1 | N. Hershkowitz and Y.-c. Ghim Probing plasmas with ion acoustic waves |