High Performance Computing Group
for Nuclear Systems and Safety
Innovation of Nuclear Systems & Safety through Advanced Modeling & High Performance Computing
Innovation of Nuclear Systems & Safety through Advanced Modeling & High Performance Computing
Innovation of Nuclear Systems & Safety through Advanced Modeling & High Performance Computing
Innovation of Nuclear Systems & Safety through Advanced Modeling & High Performance Computing
Innovation of Nuclear Systems & Safety through Advanced Modeling & High Performance Computing
Innovation of Nuclear Systems & Safety through Advanced Modeling & High Performance Computing
Our laboratory is addressing technical challenges in nuclear systems & safety using advanced modeling, high-fidelity experiment, and innovative design empowered by high performance computing.
Prof. Eung Soo Kim, Head of High Performance Computing Group for Nuclear Systems & Safety at Seoul National University
Introduction to ESLAB
ESLAB at SNU advances technology in modeling & simulation by which scientists and engineers find new ways to tackle nuclear systems & safety challenges—challenges that cannot be addressed through traditional method alone. High Performance Computing (HPC) enables unprecedented large-scale numerical models for studying and simulating complex multi-physics problems in nuclear systems & safety that would otherwise be too expensive, too dangerous, or even impossible to study by direct experimentation.
With state-of-the-art computational modeling and predictive simulation capabilities, HPC reduces the risks and uncertainty that are often barriers to industry adopting new and innovative technologies. Our research efforts enable to save time and money and to significantly improve the breakthroughs and useful advances. Incorporating these capabilities, therefore, innovate nuclear systems & safety in efficiency, effectiveness, and reliability across all the activities including design, manufacturing, regulation, and policy making.
Our new paper entitled as "Effect of wettability on the water entry of spherical projectiles: Numerical analysis using smoothed particle hydrodynamics" has been recently publised in AIP advances. Hee Sang Yoo main-authored this paper and Hae Yoon Choi, and Tae Hwan Kim contributed it as well. This paper is also selected as an Editor's Pick in the latest issue and introduced in the journal main page. Conguratulations and great job! (https://aip.scitation.org/doi/10.1063/5.0072710)
The GMR research group including Dr. Young Beom Jo, Su-san Park, Jin Hyun Kim, Chae Hoon, Jin Woo Kim, Jong Sung Chi created our first design of nuclear fission battery based on heat pipe micro-reactor concept. This 10 kWe reactor integrated a solid core, heat pipes, and a thermoelectric generator. This concept will be a great corner stone for our new innovative concepts under development.
Tae Soo Choi, Jin-Woo Kim, and Do-Hyun Kim recently adopted models for the high temperature gas-cooled reactor (HTGR) accident analysis into the SOPHIA code! Full multi-component gas mixture, gas EOS, molecular diffusion, chemical reactions with various new numerical schemes have been implemented! Big progress in the SOPHIA code framework! This simulation was conducted under the I-NERI project collaborated between Seoul National University (ROK) & University of Michigan (US).
(http://www.youtube.com/embed/1y9f2h9Bq3c?wmode=transparent)
The SOPHIA code, a particle-based multi-physics simulation code based on GPUs, recently acquired multi-node, multi-GPU computing capability led by Yelyn Ahn and Dr. Nam Jae Choi. The SOPHIA code now can handle unlimited number of CPUs and GPUs for large scale particle-based simulation. Dr. Young-Beom Jo and Ju-Ryong Park also supported this great achievement.
Do-hyun Kim is awarded the Best Paper Award in KNS 2021 Spring Meeting for his paper entitled as "Implementation of GPU-based Adaptive Particle Refinement Numerical Scheme for Smoothed Particle Hydrodynamics :Preliminary Test for FCI Jet Breakup Simulation". Congratulations!
The SOPHIA code, a particle-based multi-physics simulation code based on GPUs, finally made license agreement with OECD-NEA Databank. The SOPHIA code is now officially released to the OECD-NEA Member Countries and USA & Canada. Refer to the following link (https://www.oecd-nea.org/tools/abstract/detail/nea-1911/).
· 2021 ~ Professor, Seoul National University, South Korea
· 2016 ~ 2020 Associate Professor, Seoul National University, South Korea
· 2012 ~ 2015 Assistant Professor, Seoul National University, South Korea
· 2009 ~ 2011 Staff Scientist/Engineer, Idaho National Laboratory, USA
· 2006 ~ 2009 Postdoc, Idaho National Laboratory, USA
· 2006 Postdoc, KAIST, South Korea
· 2006 Ph.D., KAIST, South Korea
shan77@snu.ac.kr
#Adminitration
Korea Atomic Energy Research Institute (KAERI)
Senior Researcher
Idaho National Laboratory, USA
(INL)
Staff Researcher
Seoul National University
(SNU)
BK Postdoc
Korea Institute of Nuclear Safety
(KINS)
Senior Researcher
Korea Atomic Energy Research Institute (KAERI)
Researcher
Los Alamos National Laboratory, USA
(LANL)
Postdocoral Researcher
Korea Institute of Nuclear Safety, Korea
(KINS)
Staff Researcher
Korea Atomic Energy Research Institute
(KAERI)
Senior Researcher
SAMSUNG Electronics
(SAMSUNG)
Researcher
Refractive Index Matching with Planar Laser Induced Fluorescence for Particle Image Velocimetry
Refractive Index Matching of 3-D Printing Model Using Synthetic Working Fluid
Fission Battery System for Autonomous Unmanned Underwater Vehicle.
Screenshot of design software of Heat-pipe Micro-Reactor Battery System for Autonomous Unmanned Underwater Vehicle.
Choi, H. Y., Chae, H., and Kim, E.S.*, Numerical Simulation on Jet Breakup in the Fuel-Coolant Interaction Using Smoothed Particle Hydrodynamics, Nuclear Engineering and Technology, 2020 (under review).
Yoo, H. S., and Kim, E.S.*, Numerical Analysis on Water Entry of Spherical Projectiles with Various Wettability using Smoothed Particle Hydrodynamics, Ocean Engineering, 2020 (under review).
Park, S.S., Kim, J.H., Park, S.H., and Kim, E.S., SPH Simulation for Pinch Plasma using Non-ideal Resistive MHD Model, TBD, 2020 (in preparation).
An, Y.R., Jo, Y.B., Park, S.H., Kim, J.W., Kim, E.S.*, Modeling Bubble Lifting Behavior in Linear Shear Flow using Smoothed Particle Hydrodynamics, International Journal of Multi-phase Flow, 2020 (in preparation).
Jo, Y.B., Park, S.H., Kim, E.S., Simulation of Vapor Induced 3-Phase Sloshing Behavior using Multi-phase SPH-DEM Coupling, TBD, 2020 (in preparation).
Park, S.H., Chae, H., Jo, Y.B., Kim, E.S.*, Weakly Compressible Smoothed Particle Hydrodynamics for General Gradient Driven Flow, TBD, 2020 (in preparation).
Song, M.S., Jeong, J.H., Kim, E.S.*, CFD Analysis on 19-pin and 32-pin KAERI SFR Wire-wrapped Fuel Bundle Hydraulic Experiments, Nuclear Engineering and Design, 2020 (Accepted).
Jo, Y.B, Park, J.R., Kim, E.S.*, Numerical simulation on LMR molten-core centralized sloshing benchmark experiment using multi-phase smoothed particle hydrodynamics, Nuclear Engineering and Technology, 2020. (https://doi.org/10.1016/j.net.2020.07.039)
Park, S.S., Kim, E.S.*, Jamming probability of granular flow in 3D hopper for non-Janssen saturation regime: DEM analysis, Granular Matter, Vol. 77, 2020. (10.1007/s10035-020-01050-w)
Park, S.H., Jo, Y.B., Kim, E.S.*, Development of Multi-GPU-Based Smoothed Particle Hydrodynamics Code for Nuclear Thermal-hydraulics and Safety: Potential and Challenges, Frontiers in Energy Research, Vol. 8, 2020. (https://doi.org/10.3389/fenrg.2020.00086)
Song, M.S., J.H., Jeong, Kim, E.S.*, Flow visualization on SFR wire-wrapped 19-pin bundle geometry using MIR-PIV-PLIF and comparisons with RANS-based CFD Analysis, Annals of Nuclear Energy, Vol. 147, 2020.(https://doi.org/10.1016/j.anucene.2020.107653)
Seong, J.H., Song, M.S., Nunez, D, Manera, A., Kim, E.S.*, Velocity Refinement of PIV using Global Optical Flow, Experiments in Fluids, Vo. 60, 2019. (https://link.springer.com/article/10.1007/s00348-019-2820-4)
Yoo, H.S., Kim, E.S.*, Heat transfer enhancement in dry cask storage for nuclear spent fuel using additive high density inert gas, Annals of Nuclear Energy, Vol. 132, pp. 108-118, 2019. (https://doi.org/10.1016/j.anucene.2019.04.018)
Lim, D.K., Kim, E.S.*, Song, M.S., Chae, H., Topology Optimization on Vortex-type Passive Fludic Diode for Advanced Nuclear Reactors, Nuclear Engineering and Technology, Vol. 51, 2019. (https://doi.org/10.1016/j.net.2019.03.018)
Song, M.S., Jeong, J.H., Kim, E.S.*, Numerical Investigation on Vortex Behavior in Wire-wrapped Fuel Assembly for Sodium Fast Reactor, Nuclear Engineering and Technology, Vol. 51, pp 665-675, 2019. (https://doi.org/10.1016/j.net.2018.12.012)
Jo, Y.B., Park, S.H., Choi, H.Y., Jung, H.W., Kim, Y.J., Kim, E.S.*, SOPHIA: Development of Lagrangian-based CFD Code for Nuclear Thermal-Hydraulics and Safety Applications, Annals of Nuclear Energy, Vol. 124, pp. 132-149, 2019. (https://doi.org/10.1016/j.anucene.2018.09.005)
Park, S.H., Choi, T.S., Choi, H.Y., Jo, Y.B., Kim, E.S.*, Simulation of a Laboratory-scale Experiment for Wave Propagation and Interaction with a Structure of Undersea Topography near a Nuclear Power Plant using a Divergence-Free SPH, Annals of Nuclear Energy, Vol. 122, pp. 340-351, 2018. (https://doi.org/10.1016/j.anucene.2018.08.045)
Park, M.Y., Kim, E.S.*, Analysis of tritium behaviors on VHTR and forward osmosis integration system, Nuclear Engineering and Design, Vol. 338, pp. 34-51, 2018. (https://doi.org/10.1016/j.nucengdes.2018.07.030)
Shin, S.R., Jeong, J.H., Lim, D.K., Kim, E.S.*, Design of SFR fluidic diode axial port using topology optimization, Nuclear Engineering and Design, Vol. 338, pp. 63-73, 2018. (https://doi.org/10.1016/j.nucengdes.2018.07.028)
Lim, D.K., Park, Y.J., Kim, H.D., Kim, E.S.*,CFD-based shape optimization on cross-section of monoblock fusion divertor cooling channel for minimizing local heat flux, Fusion Engineering and Design, Vol. 136, pp. 1100-1105, 2018. (https://doi.org/10.1016/j.fusengdes.2018.04.077)
Ham, T.K., D.J., Arcilesi, I.H., Kim, Sun, Xiaodong, Christensen, R.N., Oh, C.H., Kim, E.S., Computational fluid dynamics analysis of the initial stages of a VHTR air-ingress accident using a scaled-down model, Nuclear Engineering and Design, Vol. 300, pp. 517-529, 2016. (https://doi.org/10.1016/j.nucengdes.2016.02.011)
Song, M.S., Park, S.H., Kim, E.S.*, Particle image velocimetry measurement of 2-dimensional velocity field around twisted tape, Fusion Engineering and Design, Vol. 109, pp. 596-601, 2016. (https://doi.org/10.1016/j.fusengdes.2016.02.039)
Park, M.Y., Song, M.S., Kim, E.S.*, Development of tritium permeation model for printed circuit heat exchanger, Annals of Nuclear Energy, Vol. 98, pp. 166-177, 2016. (https://doi.org/10.1016/j.anucene.2016.08.001)
Kim, J.S., Kim, B.J., Kim, E.S.*, Oh, C.H., Experimental Study on Fundamental Phenomena in HTGR Small Break Air-Ingress Accident, Annals of Nuclear Energy,Vol. 87, pp. 145-156, 2016. (https://doi.org/10.1016/j.anucene.2015.08.012)
Lee, Y.G., Park, I.W., Park, G.C., Kim, E.S*, and Lee, D.W, Reduction of Circulation Power for Helium-Cooled Fusion Reactor Blanket using Additive CO2 gas, Fusion Engineering and Design, Vol. 100, pp. 436-442, 2015.
Park, M.Y., Shin, S.R., Kim, E.S.*, Effective Energy Management by Combining Gas Turbine Cycles and Forward Osmosis Desalization Process, Applied Energy, Vol. 154, pp. 51-61, 2015.
Park, M.Y., Kim, E.S.*, Development of semi-empirical model for tritium permeation under non-uniform temperature distribution at heat exchanger tube wall, Annals of Nuclear Energy, Vol. 75, pp. 413-420, 2015.
Song, M.S. Choi, H.Y., Sung, J.H., Kim, E.S*., Matching index of refraction of transparent 3D printing models for flow visualization, Nuclear Engineering and Design, Vol. 284, pp. 185-191, 2015.
Park, M.Y., and Kim, E.S.*, Thermodynamic Evaluation on the Integrated System of VHTR and Forward Osmosis Desalination Process, Desalination, vo. 337, pp. 117-126, 2014.
Yoon, S.J., Kim, E.S., and Sabharwall, P., Numerical Study on Crossflow Printed Circuit Heat Exchanger for Advanced Small Modular Reactor, International Journal of Heat and Mass Transfer, vol. 70, pp. 250-263, 2013.
Chang H. Oh, Eung Soo Kim, Isothermal Air-Ingress Validation Experiments, Nuclear Technology, Vol. 181, pp. 68-80 (Recommended for Publication in Nuclear Technology from NURETH-14), 2013.
Su-Jong Yoon, Min-Seup Song, Il-Woong Park, Goon-Cherl Park, and Eung Soo Kim*, Assessment of COMSOL Capability to Analyze Thermal-Hydraulic Characteristic of Korean Helium Cooled Test Blanket, SOFA, Fusion Engineering and Design, Vol. 88, pp. 2240-2243, 2013.
Jeong-Hun Lee, Su-Jong Yoon, Eung Soo Kim, and Goon-Cherl Park, CFD Analysis and Assessment for Cross Flow Phenomena in VHTR Prismatic Core, Heat Transfer Enginnering, vol. 35, pp. 11-12, 2014.
Piyush Sabharwall, Eung Soo Kim, Mike Patterson, Evaluation Methodology for Advance Heat Exchanger Concepts Using Analytical Hierachy Process, Nuclear Engineering and Design, Vol. 248, pp. 108-116, 2012.
Chang H. Oh, Eung S. Kim, Conceptual Study on Air Ingress Mitigation for VHTRs, Nuclear Engineering & Deisgn, Vol. 250, pp. 448-464, 2012.
Chang H. OH, Eung S. Kim, Natural Circulation Patterns in the VHTR Air-ingress Accident and Related Issues, Nuclear Engineering Design, Vol. 249, pp. 228-236, 2012.
You may reach us via web form, or contact us by direct e-mail at
snueslab@gmail.com
Room 209, Building 31, Seoul National University
1, Gwanak-ro, Gwanak-gu, Seoul, Republic of Korea
+82-2-880-7216
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