Search Results - "Kang, Seongwon"

Numerical study of coal particle ignition in air and oxy-atmosphere by Farazi, Sima, Attili, Antonio, Kang, Seongwon, Pitsch, Heinz

“…The ignition and combustion of coal particles are investigated numerically under conventional and oxy-fuel atmospheres. Devolatilization is computed using the…”
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DNS study of the global heat release rate during early flame kernel development under engine conditions by Falkenstein, Tobias, Kang, Seongwon, Cai, Liming, Bode, Mathis, Pitsch, Heinz

“…Despite the high technical relevance of early flame kernel development for the reduction of cycle-to-cycle variations in spark ignition engines, there is still…”
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DNS of buoyancy-dominated turbulent flows on a bluff body using the immersed boundary method by Kang, Seongwon, Iaccarino, Gianluca, Ham, Frank

“…A novel immersed boundary (IB) method has been developed for simulating multi-material heat transfer problem – a cylinder in a channel heated from below with…”
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An analysis on Pigford model for a liquid film developing over a rotating disk by Won, Jongchan, Kim, Taewan, Choi, Yongcheol, Kim, Young Jeong, Jeong, Jaein, Won, Kyu Hwang, Kim, Myungjoon, Kang, Seongwon

“…The present study aims to analyze and improve the empirical parameters of the 1-D Pigford model to predict the liquid film flows developing over a rotating…”
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LES of n -Dodecane Spray Combustion Using a Multiple Representative Interactive Flamelets Model by Davidovic, Marco, Falkenstein, Tobias, Bode, Mathis, Cai, Liming, Kang, Seongwon, Hinrichs, Jörn, Pitsch, Heinz

“…A single-hole n -dodecane spray flame is studied in a Large-Eddy Simulation (LES) framework under Diesel-relevant conditions using a Multiple Representative…”
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Large eddy simulation of turbulent partially premixed flames in oxy-fuel combustor under subcritical and supercritical conditions by Keum, Kyeongchan, Park, Youchan, Lee, Hakseon, Chang, Sungho, Do, Hyungrok, Lee, Dae Keun, Kang, Seongwon

“…A supercritical CO 2 -diluted oxy-fuel combustor was analyzed focusing on the flame structure and stability. A parametric study on the background pressure…”
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On a momentum interpolation scheme for collocated meshes with improved discrete kinetic energy conservation by Lee, Wook, Jung, Eunbeom, Kang, Seongwon, Hur, Nahmkeon

“…In this study, we investigate the effects of momentum interpolation (MI) schemes for collocated meshes on DNS and LES with relatively coarse meshes. Based on…”
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Evaluation of an extended viscoelastic model to predict hemolysis in cannulas and blood pumps by Lee, Seunghun, Cho, Youngmoon, Kang, Seongwon, Hur, Nahmkeon, Kim, Wonjung

“…While the power-law model has been used widely to predict hemolysis numerically, it has a few inherent limitations that may result in inaccurate prediction. As…”
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LES of Internal Combustion Engine Flows Using Cartesian Overset Grids by Falkenstein, Tobias, Kang, Seongwon, Davidovic, Marco, Bode, Mathis, Pitsch, Heinz, Kamatsuchi, Toshihiro, Nagao, Junji, Arima, Toshiyuki

“…Accurate computations of turbulent flows using the Large-Eddy Simulation (LES) technique with an appropriate SubFilter Scale (SFS) model require low artificial…”
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A High Temperature Process for Extracting Valuable Metals from Waste Electric and Electronic Scraps (WEES) by Kim, Byung-Su, Lee, Jae-chun, Jeong, Jinki, Kang, Seongwon, Lee, Kwang-Ho

“…In the view points of resource recycling and environment protection it is necessary to extract the valuable metals from waste electric and electronic scraps…”
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The role of differential diffusion during early flame kernel development under engine conditions – part II: Effect of flame structure and geometry by Falkenstein, Tobias, Chu, Hongchao, Bode, Mathis, Kang, Seongwon, Pitsch, Heinz

“…From experimental spark ignition (SI) engine studies, it is known that the slow-down of early flame kernel development caused by the (Le > 1)-property of…”
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On a consistent high-order finite difference scheme with kinetic energy conservation for simulating turbulent reacting flows by Trisjono, Philipp, Kang, Seongwon, Pitsch, Heinz

“…The main objective of this study is to present an accurate and consistent numerical framework for turbulent reacting flows based on a high-order finite…”
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Hybrid scheme for complex flows on staggered grids and application to multiphase flows by Bode, Mathis, Deshmukh, Abhishek Y., Falkenstein, Tobias, Kang, Seongwon, Pitsch, Heinz

“…A hybrid scheme is developed that enables advanced simulations, such as multiphase flows, in complex flow setups with compressible flow solvers using a…”
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Transient multiple particle simulations of char particle combustion by Sayadi, Taraneh, Farazi, Sima, Kang, Seongwon, Pitsch, Heinz

“…Transient combustion behavior of char particle arrays in oxy-fuel atmosphere is analyzed with a resolved-particle two-dimensional simulation framework,…”
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Large eddy simulation of hydrogen dispersion from leakage in a nuclear containment model by Kim, Jungwoo, Jung, Eunbum, Kang, Seongwon

“…Hydrogen leaking inside a nuclear power plant poses a critical nuclear safety issue, and accurate prediction of the dispersion process of hydrogen has become…”
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Resolved simulations of single char particle combustion in a laminar flow field by Farazi, Sima, Sadr, Mohsen, Kang, Seongwon, Schiemann, Martin, Vorobiev, Nikita, Scherer, Viktor, Pitsch, Heinz

“…•Combustion of single char particles in a flow field is investigated with spatially and chemically resolved simulations.•The mass and energy exchanges between…”
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The role of differential diffusion during early flame kernel development under engine conditions - part I: Analysis of the heat-release-rate response by Falkenstein, Tobias, Rezchikova, Aleksandra, Langer, Raymond, Bode, Mathis, Kang, Seongwon, Pitsch, Heinz

“…Although experimental evidence for the correlation between early flame kernel development and cycle-to-cycle variations (CCV) in spark ignition (SI) engines…”
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A CFD simulation of hydrogen dispersion for the hydrogen leakage from a fuel cell vehicle in an underground parking garage by Choi, Jongrak, Hur, Nahmkeon, Kang, Seongwon, Lee, Eun Dok, Lee, Kwang-Bum

“…In the present study, the dispersion process of hydrogen leaking from an FCV (Fuel Cell Vehicle) in an underground parking garage is analyzed with numerical…”
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Numerical investigation of coal particle stream ignition in oxy-atmosphere by Farazi, Sima, Hinrichs, Jörn, Davidovic, Marco, Falkenstein, Tobias, Bode, Mathis, Kang, Seongwon, Attili, Antonio, Pitsch, Heinz

“…•Modeling of particle stream ignition applying the CPD method and detailed chemistry.•Analysis of the ignition delay time for different number density of the…”
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Development and evaluation of data-driven modeling for bubble size in turbulent air-water bubbly flows using artificial multi-layer neural networks by Jung, Hokyo, Yoon, Serin, Kim, Youngjae, Lee, Jun Ho, Park, Hyungmin, Kim, Dongjoo, Kim, Jungwoo, Kang, Seongwon

“…•This first data-driven modeling of bubble size for a closure model with validation.•Bubble sizes predicted using the model are much more accurate than…”
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