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Journal Articles

Predicting Leidenfrost Temperature and Effects of Impact Conditions on Droplet Size Distribution in Film-Boiling Regime

Mohammad F. F. Patwary, Doruk Isik, Song-Charng Kong, Eric Mayhew, Kenneth S. Kim, Chol-Bum M. Kweon
Journal: Journal of Fluids Engineering
Publisher: ASME
Article Type: Research-Article
J. Fluids Eng. April 2025, 147(4): 041401.
Paper No: FE-24-1275
https://doi.org/10.1115/1.4066837
Published Online: November 21, 2024
View Article titled, Predicting Leidenfrost Temperature and Effects of Impact Conditions on Droplet Size Distribution in Film-Boiling Regime
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Topics: Drops, Surface mount devices, Particulate matter, Simulation, Fuels, Pressure, Temperature, Film boiling
Journal Articles

Characterizing Drop-Wall Interactions of Engine Fuels at Engine-Relevant Conditions Using Smoothed Particle Hydrodynamics

Mohammad F. F. Patwary, Doruk Isik, Song-Charng Kong, Eric Mayhew, Kenneth S. Kim, Chol-Bum M. Kweon
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. August 2024, 146(8): 081023.
Paper No: GTP-23-1645
https://doi.org/10.1115/1.4064802
Published Online: April 4, 2024
View Article titled, Characterizing Drop-Wall Interactions of Engine Fuels at Engine-Relevant Conditions Using Smoothed Particle Hydrodynamics
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Topics: Drops, Fuels, Particulate matter, Pressure, Surface mount devices, Engines, Wall temperature, Hydrodynamics, Temperature, Evaporation
Journal Articles

A Phenomenological Thermal Spray Wall Interaction Modeling Framework Applied to a High-Temperature Ignition Assistant Device

Surya Kaundinya Oruganti, Roberto Torelli, Kenneth S. Kim, Eric Mayhew, Chol-Bum “Mike” Kweon
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. September 2024, 146(9): 091010.
Paper No: GTP-23-1681
https://doi.org/10.1115/1.4064481
Published Online: March 11, 2024
View Article titled, A Phenomenological Thermal Spray Wall Interaction Modeling Framework Applied to a High-Temperature Ignition Assistant Device
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Topics: Drops, Sprays, Modeling, Fuels, Ignition, Vapors, Heat transfer, Temperature
Proceedings Papers

Characterizing Drop-Wall Interactions of Engine Fuels at Engine-Relevant Conditions Using Smoothed Particle Hydrodynamics

Mohammad F. F. Patwary, Doruk Isik, Song-Charng Kong, Eric Mayhew, Kenneth S. Kim, Chol-Bum M. Kweon
Proc. ASME. IMECE2023, Volume 10: Heat Transfer and Thermal Engineering, V010T11A021, October 29–November 2, 2023
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2023-113917
https://doi.org/10.1115/IMECE2023-113917
View Paper titled, Characterizing Drop-Wall Interactions of Engine Fuels at Engine-Relevant Conditions Using Smoothed Particle Hydrodynamics
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Topics: Drops, Engines, Fuels, Hydrodynamics, Particulate matter, Combustion, Heptane, Engineering simulation, Film boiling, Internal combustion engines
Proceedings Papers

Multi-Fidelity Neural Network Regression for Efficient Training of Energy-Assisted Diesel Engine Control System

Ari Nejadmalayeri, Sai Ranjeet Narayanan, Suo Yang, Zongxuan Sun, Harsh Darshan Sapra, Randy Hessel, Sage Kokjohn, Kenneth S. Kim, Chol-Bum M. Kweon
Proc. ASME. ICEF2023, ASME 2023 ICE Forward Conference, V001T06A001, October 8–11, 2023
Publisher: American Society of Mechanical Engineers
Paper No: ICEF2023-109750
https://doi.org/10.1115/ICEF2023-109750
View Paper titled, Multi-Fidelity Neural Network Regression for Efficient Training of Energy-Assisted Diesel Engine Control System
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Topics: Artificial neural networks, Combustion, Control systems, Diesel engines
Journal Articles

Transient Thermomechanical Stress Analysis of Hot Surface Ignition Device Using Sequentially Coupled Computational Fluid Dynamics–Finite Element Analysis Approach

Sang-Guk Kang, Je Ir Ryu, Austen H. Motily, Prapassorn Numkiatsakul, Tonghun Lee, Waltraud M. Kriven, Kenneth S. Kim, Chol-Bum M. Kweon
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. December 2023, 145(12): 121001.
Paper No: GTP-22-1559
https://doi.org/10.1115/1.4056426
Published Online: October 3, 2023
View Article titled, Transient Thermomechanical Stress Analysis of Hot Surface Ignition Device Using Sequentially Coupled Computational Fluid Dynamics–Finite Element Analysis Approach
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Topics: Computational fluid dynamics, Finite element analysis, Ignition, Stress, Stress analysis (Engineering), Temperature, Thermomechanics, Boundary-value problems, Transients (Dynamics), Luminescence
Proceedings Papers

Development of a Turbocharger Speed Sensor Using Fiber Optic Coupled Optical Method

Sang-Guk Kang, Aaron J. Pope, Erik S. Schroen, Kurt M. Kruger, Kenneth S. Kim, Chol-Bum M. Kweon, Daniel J. Micka, William Finger, Joseph A. Gibson, Rik D. Meininger, Marshall R. Musser
Proc. ASME. GT2023, Volume 4: Controls, Diagnostics, and Instrumentation, V004T05A001, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-100902
https://doi.org/10.1115/GT2023-100902
View Paper titled, Development of a Turbocharger Speed Sensor Using Fiber Optic Coupled Optical Method
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Topics: Fibers, Sensors, Turbochargers
Journal Articles

Impact of Ignition Assistant on Combustion of Cetane 30 and 35 Jet-Fuel Blends in a Compression-Ignition Engine at Moderate Load and Speed

Niranjan Miganakallu, Jacob Stafford, Eri Amezcua, Kenneth S. Kim, Chol-Bum M. Kweon, David A. Rothamer
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. July 2023, 145(7): 071013.
Paper No: GTP-23-1108
https://doi.org/10.1115/1.4062419
Published Online: May 25, 2023
View Article titled, Impact of Ignition Assistant on Combustion of Cetane 30 and 35 Jet-Fuel Blends in a Compression-Ignition Engine at Moderate Load and Speed
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Topics: Combustion, Computer-aided design, Fuels, Ignition, Pressure, Silicon-on-insulator, Heat, Engines, Jet fuels, Diesel engines
Proceedings Papers

Impact of Ignition Assistant on Combustion of Cetane 30 and 35 Jet-Fuel Blends in a Compression-Ignition Engine at Moderate Load and Speed

Niranjan Miganakallu, Jacob Stafford, Eri Amezcua, Kenneth S. Kim, Chol-Bum M. Kweon, David A. Rothamer
Proc. ASME. ICEF2022, ASME 2022 ICE Forward Conference, V001T03A011, October 16–19, 2022
Publisher: American Society of Mechanical Engineers
Paper No: ICEF2022-90704
https://doi.org/10.1115/ICEF2022-90704
View Paper titled, Impact of Ignition Assistant on Combustion of Cetane 30 and 35 Jet-Fuel Blends in a Compression-Ignition Engine at Moderate Load and Speed
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Topics: Combustion, Diesel engines, Fuels, Ignition, Jet fuels, Luminescence, Stress
Proceedings Papers

The Role of Electric-Current Induced Heating in Damage Evolution at the Crack Tip in Thin Film Conductors

Ashraf -F. Bastawros, Kyung -S. Kim
Proc. ASME. IMECE97, Application of Fracture Mechanics in Electronic Packaging, 139-144, November 16–21, 1997
Publisher: American Society of Mechanical Engineers
Paper No: IMECE1997-0509
https://doi.org/10.1115/IMECE1997-0509
View Paper titled, The Role of Electric-Current Induced Heating in Damage Evolution at the Crack Tip in Thin Film Conductors
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Topics: Damage, Electric current, Fracture (Materials), Heating, Thin films, Aluminum, Electrodes, Temperature, Melting, Coating processes
Proceedings Papers

New Objective Approaches for Characterization of Interfacial Structures in Two-Phase Flow

M. Ishii, Y. Mi, L. H. Tsoukalas, S. Kim
Proc. ASME. IMECE98, Heat Transfer: Volume 5 — Numerical and Experimental Methods in Heat Transfer, 205-213, November 15–20, 1998
Publisher: American Society of Mechanical Engineers
Paper No: IMECE1998-0736
https://doi.org/10.1115/IMECE1998-0736
View Paper titled, New Objective Approaches for Characterization of Interfacial Structures in Two-Phase Flow
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Topics: Interface structure, Two-phase flow, Artificial neural networks, Flow (Dynamics), Probes, Sensors, Bubbles, Electrical conductivity, Multiphase flow, Porosity
Proceedings Papers

Transient Thermo-Mechanical Stress Analysis of Hot Surface Probe Using Sequentially Coupled CFD-FEA Approach

Sang-Guk Kang, Je Ir Ryu, Austen H. Motily, Prapassorn Numkiatsakul, Tonghun Lee, Waltraud M. Kriven, Kenneth S. Kim, Chol-Bum M. Kweon
Proc. ASME. ICEF2021, ASME 2021 Internal Combustion Engine Division Fall Technical Conference, V001T06A008, October 13–15, 2021
Publisher: American Society of Mechanical Engineers
Paper No: ICEF2021-67858
https://doi.org/10.1115/ICEF2021-67858
View Paper titled, Transient Thermo-Mechanical Stress Analysis of Hot Surface Probe Using Sequentially Coupled CFD-FEA Approach
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Topics: Computational fluid dynamics, Finite element analysis, Ignition, Probes, Stress, Stress analysis (Engineering), Thermomechanics, Transients (Dynamics)
Proceedings Papers

Design and Construction of a Statically-Balanced Direct Drive ARM

H. Kazerooni, S. Kim
Proc. ASME. DETC87, 13th Design Automation Conference: Volume 2 — Robotics, Mechanisms, and Machine Systems, 17-23, September 27–30, 1987
Publisher: American Society of Mechanical Engineers
Paper No: DETC1987-0058
https://doi.org/10.1115/DETC1987-0058
View Paper titled, Design and Construction of a Statically-Balanced Direct Drive ARM
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Topics: Construction, Design, Robots, Kinematics, Manufacturing, Motors, Actuators, Composite materials, Epoxy adhesives, Epoxy resins
Proceedings Papers

Selection of Deformation Modes for Flexible Multibody Dynamics

S.-S. Kim, E. J. Haug
Proc. ASME. DETC87, 13th Design Automation Conference: Volume 2 — Robotics, Mechanisms, and Machine Systems, 401-410, September 27–30, 1987
Publisher: American Society of Mechanical Engineers
Paper No: DETC1987-0105
https://doi.org/10.1115/DETC1987-0105
View Paper titled, Selection of Deformation Modes for Flexible Multibody Dynamics
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Topics: Deformation, Multibody dynamics, Boundary-value problems, System dynamics, Approximation, Doors, Equilibrium (Physics)
Proceedings Papers

Design Sensitivity Analysis of Multibody Dynamic Systems for Parallel Processing

T. Tak, S. S. Kim
Proc. ASME. DETC89, 15th Design Automation Conference: Volume 3 — Mechanical Systems Analysis, Design and Simulation, 9-16, September 17–21, 1989
Publisher: American Society of Mechanical Engineers
Paper No: DETC1989-0100
https://doi.org/10.1115/DETC1989-0100
View Paper titled, Design Sensitivity Analysis of Multibody Dynamic Systems for Parallel Processing
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Topics: Design sensitivity analysis, Dynamic systems, Parallel processing, Computers, Design, Multibody dynamics, Multibody systems
Proceedings Papers

A Low-Cost Real-Time Man-in-the-Loop Simulation for Multibody Systems

J. L. Chang, S. S. Kim
Proc. ASME. DETC89, 15th Design Automation Conference: Volume 3 — Mechanical Systems Analysis, Design and Simulation, 95-99, September 17–21, 1989
Publisher: American Society of Mechanical Engineers
Paper No: DETC1989-0111
https://doi.org/10.1115/DETC1989-0111
View Paper titled, A Low-Cost Real-Time Man-in-the-Loop Simulation for Multibody Systems
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Topics: Multibody systems, Simulation, Algorithms, Computers, Dynamics (Mechanics), Design, Dynamic systems, Eigenvalues, Equations of motion, Multibody dynamics
Proceedings Papers

Dynamic Simulation of a Space Robot Hand-Off Procedure

S. S. Kim, T.-C. Lin, E. J. Haug, H. P. Frisch
Proc. ASME. DETC89, 15th Design Automation Conference: Volume 3 — Mechanical Systems Analysis, Design and Simulation, 109-116, September 17–21, 1989
Publisher: American Society of Mechanical Engineers
Paper No: DETC1989-0113
https://doi.org/10.1115/DETC1989-0113
View Paper titled, Dynamic Simulation of a Space Robot Hand-Off Procedure
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Topics: Construction, Control equipment, End effectors, Flight, Fourier transform spectroscopy, Manipulators, Multibody dynamics, Robots, Simulation, Synchronization
Proceedings Papers

Local Cause of Non-Convergence in a Convex Decomposition Using Convex Hulls

Y. S.-Kim, D. J. Wilde
Proc. ASME. DETC89, 15th Design Automation Conference: Volume 1 — Computer-Aided and Computational Design, 177-185, September 17–21, 1989
Publisher: American Society of Mechanical Engineers
Paper No: DETC1989-0035
https://doi.org/10.1115/DETC1989-0035
View Paper titled, Local Cause of Non-Convergence in a Convex Decomposition Using Convex Hulls
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Topics: Hull
Proceedings Papers

Workstation-Based Man-in-the-Loop Simulation for Multibody Systems

J. L. Chang, S. S. Kim
Proc. ASME. DETC90, 16th Design Automation Conference: Volume 2 — Optimal Design and Mechanical Systems Analysis, 325-329, September 16–19, 1990
Publisher: American Society of Mechanical Engineers
Paper No: DETC1990-0085
https://doi.org/10.1115/DETC1990-0085
View Paper titled, Workstation-Based Man-in-the-Loop Simulation for Multibody Systems
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Topics: Multibody systems, Simulation, Dynamics (Mechanics), Computers, Clocks, Design, Dynamic systems, Hydraulic drive systems, Modeling, Numerical analysis
Proceedings Papers

A Recursive Dynamic Formulation for Flexible Mechanisms

Byung Yil Souh, S. S. Kim
Proc. ASME. DETC90, 16th Design Automation Conference: Volume 2 — Optimal Design and Mechanical Systems Analysis, 383-390, September 16–19, 1990
Publisher: American Society of Mechanical Engineers
Paper No: DETC1990-0092
https://doi.org/10.1115/DETC1990-0092
View Paper titled, A Recursive Dynamic Formulation for Flexible Mechanisms
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Topics: Chain, Closed loop systems, Deformation, Equations of motion, Finite element analysis, Kinematics, Modeling, Rigid-body mechanisms, Simulation