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Kyosung Choo
Dr. Kyosung Choo
Associate Professor
Rayen School of Engineering
Moser Hall 2550
phone: (330) 941-3030
Bio
Kyosung Choo, Ph.D., is an Associate Professor of Mechanical Engineering at Youngstown State University. Prior to joining YSU, he served as a postdoctoral fellow in the Center for Environmental Energy Engineering at University of Maryland.
He received his Ph.D. and M.S. in Mechanical Engineering from KAIST (Korea Advanced Instituted of Science and Technology) and his B.S. in Mechanical and Control Engineering from Handong University, Korea. His research interests include heat transfer for additive and advanced manufacturing, two-phase flow, jet impingement, energy efficiency of data centers and buildings, and electronics cooling.
He has published over 50 articles and papers in the field. He is a recipient of Outstanding Research Award from Brain Korea 21 in 2010 and Outstanding Academic Award from KAIST in 2011.
Research Interests
Electronics cooling, Two-phase flow, Energy efficiency of data centers and buildings, Additive and advanced manufacturing
Teaching Interests
Heat Transfer, Fluid Mechanics, Thermodynamics
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2025
"Boiling heat transfer enhancement of submerged water jet impingement on wick structures"
W. Bevan, E. Munonyedi , G. Hwang, K. Choo
Heat Transfer Engineering, Tayor & Francis
-
2025
"Heat Transfer Modeling of DED Hybrid Additive Manufacturing Technology using 316L Stainless Steel"
M. Kalel, K. Choo
American Society of Thermal and Fluids Engineers
-
2025
"Modelling of Direct Energy Deposition for Wire Laser Additive Manufacturing"
J. Diosdado, P. Limon-Leyva, P. Cortes, K. Choo
Journal of Materials Engineering and Performance, Springer, volume 28
-
2025
"Heat transfer characteristics of impinging jets on porous surface"
M. Hull, K. Choo
American Society of Thermal and Fluids Engineers
-
2023
"Heat Transfer Characteristics of Confined and Unconfined Submerged Air Bubble Jet Impingement"
J. Diosdado, W. Bevan, K. Alsharif, K. Choo
Heat Transfer Engineering, volume 45
-
2023
"How Many Layers of Towels Do You Need for Hot Packs?"
W. Ge, J. Diosdado De la Pena, K. Alsharif, K. Choo
American Physical Therapy Association
-
2023
"Thermal-Stress Characteristics of a Large Area Additive Manufacturing"
B. Friedrich, K. Choo
Heat Transfer Engineering, volume 44, issue 13, p. 1083--1098
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2023
"BOILING ENHANCEMENT USING WATER JET IMPINGEMENT ON POROUS MEDIA COLUMNAR POST SURFACE"
W. Bevan, G. Hwang, K. Choo
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2022
"Transient Thermal and Electrical Characteristics of a Cylindrical LiFeS2 Cell with Equivalent Circuit Model"
K. Alsharif, A. Pesch, V. Borra, P. Cortes, E. MacDonald, F. Li, K. Choo
9th International Conference on Fluid Flow, Heat and Mass Transfer -
2022
"Transient Thermal and Electrical Characteristics of a Cylindrical LiFeS2 Cell with Equivalent Circuit Model"
K. Alsharif, A. Pesch, V. Borra, P. Cortes, E. MacDonald, F. Li, K. Choo
, volume 14, p. 155 -
2022
"Thermal Stress Characteristics of Dissimilar Joints Joining Ti-64 and CCM via Linear Friction Welding"
A. Glaspell, . Pe\~na, Jos\'e Angel Diosdado-De la, J. Ryu, K. Choo
Energies, volume 15, issue 15, p. 5588
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2022
"STRUCTURAL ANALYSIS TO IMPROVE THE PERFORMANCE OF A RETRACTABLE JOINTED-CRANE: FAILURE DUE TO OVERLOADING."
. Ram\'\irez-El\'\ias, V\'\ictor Alfonso, . Balvant\'\in-Garc\'\ia, Antonio de Jes\'us, . Salda\~na-Robles, Alberto, K. Choo, . others
NED University Journal of Research, volume 19, issue 3
-
2022
"Low impact velocity modeling of 3D printed spatially graded elastomeric lattices"
. Diosdado-De la Pe\~na, Jose Angel, C. Dwyer, D. Krzeminski, E. MacDonald, . Salda\~na-Robles, Alberto, P. Cortes, K. Choo
Polymers, volume 14, issue 21, p. 4780
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2022
"Heat Transfer and Structural Characteristics of Dissimilar Joints Joining Ti-64 and NiTi via Laser Welding"
A. Glaspell, . De la Pena, Jose Angel Diosdado, S. Dahal, S. Neupane, J. Ryu, K. Choo
Energies, volume 15, issue 19, p. 6949
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2022
"A novel modal representation of battery dynamics"
K. Alsharif, A. Pesch, V. Borra, F. Li, P. Cortes, E. Macdonald, K. Choo
IEEE Access, volume 10, p. 16793--16806
-
2022
"A Novel Modal Representation of Battery Dynamics"
K. Alsharif, A. Pesch, V. Borra, F. Li, P. Cortes, E. MacDonald, K. Choo
IEEE Access, volume 10
-
2022
"A Coupled Thermo-Mechanical Dynamic Characterization of Cylindrical Batteries"
K. Alsharif, A. Pesch, V. Borra, F. Li, P. Cortes, E. Macdonald, K. Choo
IEEE Access, volume 10, p. 51708--51722
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2022
"A Coupled Thermo-Mechanical Dynamic Characterization of Cylinbdrical Batteries"
K. Alsharif, A. Pesch, V. Borra, F. Li, P. Cortes, E. MacDonald, K. Choo
IEEE Access, volume 10
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2021
"Thermoplastic extrusion additive manufacturing of high-performance carbon fiber PEEK lattices"
C. Santiago, B. Yelamanchi, . Diosdado De la Pe\~na, Jose Angel, J. Lamb, K. Roguski, . Turzy\'nski, Filip, R. Faruqui, K. Choo, A. Du Plessis, F. Sillani, . others
Crystals, volume 11, issue 12, p. 1453
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2021
"Thermo-Mechanical Simulation of Ti6Al4V-NiTi Dissimilar Laser Welding Process"
A. Glaspell, J. Ryu, K. Choo
, volume 85062, p. V001T02A001 -
2021
"Heat transfer characteristics of two-phase impinged-jet flow and channel flow"
J. Son, N. Lin, J. Simcox, K. Choo
Heat Transfer Engineering, volume 43, issue 2, p. 157--167
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2021
"Energy Conservation Measures for a Research Data Center in an Academic Campus"
K. Alsharif, A. Glaspell, K. Choo
Energies, volume 14, issue 10, p. 2820
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2020
"Thermal Stress Simulation Model of Dissimilar Linear Friction Welding (LFW) Technology for Manufacturing of Bi-Metallic Biomedical Implants"
A. Glaspell, C. Seydlorsky, J. Son, J. Ryu, K. Choo
, volume 84256, p. V001T02A004 -
2020
"Thermal simulation of big area additive manufacturing"
B. Friedrich, K. Choo
-
2019
"Influence of mixing and diffusion on moisture content of maize in a feed mill wet bin"
K. Lyda, S. Moldovan, K. Choo
Biosystems Engineering, volume 178, p. 102--108
-
2019
"Heat transfer and hydrodynamics of air assisted free water jet impingement at low nozzle-to-surface distances"
A. Glaspell, V. Rouse, B. Friedrich, K. Choo
International Journal of Heat and Mass Transfer, volume 132, p. 138--142
-
2019
"Heat retention modeling of large area additive manufacturing"
K. Choo, B. Friedrich, T. Daugherty, A. Schmidt, C. Patterson, M. Abraham, B. Conner, K. Rogers, P. Cortes, E. MacDonald
Additive Manufacturing, volume 28, p. 325--332
-
2017
"The influence of nozzie-to-plate spacing on the circular hydraulic jump of water jet impingement"
A. Kuraan, K. Choo
, p. 86--89 -
2017
"Simulation and experimental analysis of data centers in academic campus"
K. Choo, M. Ohadi, D. Cooper
, p. 948--951 -
2017
"Heat transfer and hydrodynamics of free water jet impingement at low nozzle-to-plate spacings"
A. Kuraan, S. Moldovan, K. Choo
International Journal of Heat and Mass Transfer, volume 108, p. 2211--2216
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2017
"Experimental study of the hydrodynamic and heat transfer of air-assistant circular water jet impinging a flat circular disk"
B. Friedrich, T. Ford, A. Glaspell, K. Choo
International Journal of Heat and Mass Transfer, volume 106, p. 804--809
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2016
"The influence of nozzle diameter on the circular hydraulic jump of liquid jet impingement"
K. Choo, S. Kim
Experimental Thermal and Fluid Science, volume 72, p. 12--17
-
2016
"The effect of volumetric quality on heat transfer and fluid flow characteristics of air-assistant jet impingement"
B. Friedrich, A. Glaspell, K. Choo
International Journal of Heat and Mass Transfer, volume 101, p. 261--266
-
2016
"Boosting electrical generation of a photovoltaic array by thermal harvest from p-Si cells: An experimental and theoretical study"
J. Kelley, K. Choo, V. Rao, S. Dessiatoun, M. Ohadi
, p. 813--822 -
2015
"Energy analysis of cleanrooms in an academic research building"
J. Levy, M. Ohadi, K. Choo
ASHRAE Transactions, volume 121, issue 2, p. 71--84
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2014
"Energy consumption analysis of a medium-size primary data center in an academic campus"
K. Choo, R. Galante, M. Ohadi
Energy and Buildings, volume 76, p. 414--421
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2013
"Volume of fluid-based numerical modeling of condensation heat transfer and fluid flow characteristics in microchannels"
H. Ganapathy, A. Shooshtari, K. Choo, S. Dessiatoun, M. Alshehhi, M. Ohadi
International Journal of Heat and Mass Transfer, volume 65, p. 62--72
-
2013
"Next generation microchannel heat exchangers"
M. Ohadi, K. Choo, S. Dessiatoun, E. Cetegen
Springer -
2013
"Measured and simulated energy consumption analysis of a data center on an academic campus"
K. Choo, R. Galante, M. Ohadi, D. Cooper
, p. 231--236 -
2013
"Fundamentals of Microchannels"
M. Ohadi, K. Choo, S. Dessiatoun, E. Cetegen
Next Generation Microchannel Heat Exchangers, p. 1--32
-
2013
"Force-Fed Microchannels for High Flux Cooling Applications"
M. Ohadi, K. Choo, S. Dessiatoun, E. Cetegen
Next Generation Microchannel Heat Exchangers, p. 33--65
-
2013
"Energy Conservation Measures of a Primary Data Center on an Academic Campus"
K. Choo, R. Galante, M. Ohadi
, volume 55478, p. V001T01A011 -
2013
"Emerging applications of microchannels"
M. Ohadi, K. Choo, S. Dessiatoun, E. Cetegen
Next generation microchannel heat exchangers, p. 67--105
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2012
"The effect of inclination on impinging jets at small nozzle-to-plate spacing"
K. Choo, T. Kang, S. Kim
International Journal of Heat and Mass Transfer, volume 55, issue 13-14, p. 3327--3334
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2012
"Studies on various chip-on-film (COF) packages using ultra fine pitch two-metal layer flexible printed circuits (two-metal layer FPCs)"
K. Suk, K. Choo, S. Kim, J. Kim, K. Paik
Microelectronics Reliability, volume 52, issue 6, p. 1182--1188
-
2012
"Numerical analysis of condensation of R134a in a single microchannel"
H. Ganapathy, A. Shooshtari, K. Choo, S. Dessiatoun, M. Alshehhi, M. Ohadi
, volume 45233, p. 2971--2980 -
2012
"A comparison analysis of air, liquid, and two-phase cooling of data centers"
M. Ohadi, S. Dessiatoun, K. Choo, M. Pecht, J. Lawler
, p. 58--63 -
2011
"The effect of channel diameter on heat transfer characteristics of two-phase flow in microchannels"
K. Choo, D. Trainer, S. Kim
, volume 38921, p. T10134 -
2011
"Study on the heat transfer characteristics of single-phase and two-phase impinging jets"
K. Choo
한국과학기술원
-
2011
"Heat transfer and fluid flow characteristics of nonboiling two-phase flow in microchannels"
K. Choo, S. Kim
-
2011
"Experimental and analytical study on chip hot spot temperature"
C. Byon, K. Choo, S. Kim
International journal of heat and mass transfer, volume 54, issue 9-10, p. 2066--2072
-
2011
"Effect of confinement on heat transfer characteristics of a microscale impinging jet"
Y. Youn, K. Choo, S. Kim
International journal of heat and mass transfer, volume 54, issue 1-3, p. 366--373
-
2010
"The influence of nozzle diameter on the circular hydraulic jump"
K. Choo, S. Kim
대한기계학회 춘추학술대회, p. 2294--2297
-
2010
"Study on Spreading Resistance and Chip Temperature"
C. Byon, K. Choo, S. Kim
대한기계학회 춘추학술대회, p. 2217--2222
-
2010
"Heat Transfer Augmentation by Two-Phase Impinging Jet"
K. Choo, S. Kim
, volume 49408, p. 485--490 -
2010
"Comparison of thermal characteristics of confined and unconfined impinging jets"
K. Choo, S. Kim
International Journal of Heat and Mass Transfer, volume 53, issue 15-16, p. 3366--3371
-
2009
"Heat transfer characteristics of a micro-scale impinging slot jet"
K. Choo, Y. Youn, S. Kim, D. Lee
International journal of heat and mass transfer, volume 52, issue 13-14, p. 3169--3175
-
2009
"Air jet impingement heat transfer at low nozzle-to-plate spacings under a fixed pumping power condition"
K. Choo, S. Kim
, volume 43574, p. 459--465 -
2008
"Theoretical prediction and experimental measurement of the degree of cure of anisotropic conductive films (ACFs) for chip-on-flex (COF) applications"
C. Chung, Y. Kwon, I. Kim, H. Son, K. Choo, S. Kim, K. Paik
Journal of Electronic Materials, volume 37, p. 1580--1590
-
2008
"The effect of various wafer thicknesses on hot spot temperature"
K. Choo, I. Han, S. Kim
, p. 428--431 -
2008
"Experimental Study of Compressible and Incompressible Micro-scale Jet Impingement Heat Transfer"
K. Choo, Y. Youn, S. Kim
대한기계학회 춘추학술대회, p. 207--211
-
2008
"Comparison of Unconfined and Confined Micro-scale Impinging Jets"
K. Choo, Y. Youn, S. Kim
대한기계학회 춘추학술대회, p. 2210--2213
-
2007
"Theoretical prediction and experimental measurement of the degree-of-cure of anisotropic conductive film (ACF) for chip-on-flex (COF) applications"
C. Chung, Y. Kwon, I. Kim, H. Son, K. Choo, S. Kim, K. Paik
, p. 1--8 -
"Transient Thermal and Electrical Characteristics of a Cylindrical LiFeS2 Cell with Equivalent Circuit Model"
K. Alsharif, A. Pesch, V. Borra, P. Cortes, E. MacDonald, F. Li, K. Choo
Dimensions [mm], volume 14, p. 50--5
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2025 - present
Editorial Review Board Member
Korean Journal of Air-Conditioning and Refrigeration Engineering -
2025 - 2025
Reviewer, Journal Article
The International Journal of Advanced Manufacturing Technology -
2022 - 2022
Reviewer, Journal Article
Additive Manufacturing -
2022 - 2022
Reviewer, Journal Article
American Society of Mechanical Engineers - Journal of Heat Transfer -
2021 - 2021
Reviewer, Journal Article
Physics of Fluids -
2021 - 2021
Reviewer, Journal Article
Applied Energy -
2021 - 2021
Reviewer, Journal Article
American Society of Mechanical Engineers - Journal of Heat Transfer -
2021 - 2021
Reviewer, Journal Article
International Communication of Heat and Mass Transfer -
2021 - 2021
Reviewer, Conference Paper
ASME MSEC 2021 -
2021 - 2021
Reviewer, Conference Paper
ASME MSEC 2021 -
2021 - 2021
Reviewer, Conference Paper
ASME MSEC 2021 -
2020 - 2020
Reviewer, Journal Article
Additive Manufacturing -
2020 - 2020
Reviewer, Journal Article
Energies -
2020 - 2020
Reviewer, Journal Article
Applied Thermal Engineering -
2020 - 2020
Reviewer, Journal Article
ASME Electronics Packaging -
2020 - 2020
Reviewer, Journal Article
Additive Manufacturing -
2020 - 2020
Reviewer, Journal Article
Additive Manufacturing -
2020 - 2020
Reviewer, Journal Article
Additive Manufacturing -
2020 - 2020
Reviewer, Journal Article
Energies -
2020 - 2020
Reviewer, Journal Article
Journal of Energy Storage -
2020 - 2020
Reviewer, Journal Article
Journal of Energy Storage -
2020 - 2020
Reviewer, Conference Paper
ASME MSEC 2020 -
2020 - 2020
Reviewer, Journal Article
Additive Manufacturing -
2020 - 2020
Session Chair
International Conference of Fluid Flow, Heat and Mass Transfer -
2019 - 2019
Reviewer, Journal Article
Applied Thermal Engineering -
2019 - 2019
Reviewer, Journal Article
International Journal of Heat and Mass Transfer -
2019 - 2019
Reviewer, Journal Article
Applied Thermal Engineering -
2019 - 2019
Reviewer, Journal Article
Applied Thermal Engineering -
2019 - 2019
Reviewer, Journal Article
Applied Thermal Engineering -
2019 - 2019
Reviewer, Journal Article
International Journal of Heat and Mass Transfer -
2019 - 2019
Reviewer, Journal Article
Applied Energy -
2019 - 2019
Reviewer, Journal Article
Journal of Energy Storage -
2019 - 2019
Reviewer, Journal Article
Science of the Total Environment -
2018 - 2018
Reviewer, Journal Article
International Journal of Heat and Mass Transfer -
2018 - 2018
Reviewer, Journal Article
Applied Energy -
2018 - 2018
Reviewer, Conference Paper
ASTFE First Thermal and Fluids Engineering Conference 2019 -
2018 - 2018
Reviewer, Journal Article
Atomization and Sprays -
2018 - 2018
Reviewer, Journal Article
Additive Manufacturing -
2018 - 2018
Reviewer, Journal Article
Additive Manufacturing -
2018 - 2018
Reviewer, Journal Article
Additive Manufacturing -
2018 - 2018
Reviewer, Conference Paper
InterPACK 2018 -
2018 - 2018
Reviewer, Journal Article
International Journal of Heat and Mass Transfer -
2018 - 2018
Reviewer, Journal Article
Energies -
2018 - 2018
Reviewer, Journal Article
International Journal of Heat and Mass Transfer -
2018 - 2018
Reviewer, Journal Article
International Journal of Heat and Mass Transfer -
2018 - 2018
Reviewer, Conference Paper
IEEE ITherm 2018 -
2018 - 2018
Reviewer, Journal Article
Experimental Thermal and Fluid Science -
2018 - 2019
Reviewer, Grant Proposal
Department of Energy ARPA-E Grant Proposals Reviewer -
2017 - 2017
Reviewer, Journal Article
International Journal of Heat and Mass Transfer -
2017 - 2017
Reviewer, Journal Article
International Journal of Heat and Mass Transfer -
2017 - 2017
Reviewer, Journal Article
International Journal of Heat and Mass Transfer -
2017 - 2017
Reviewer, Conference Paper
ASME Interpack 2017 -
2017 - 2017
Reviewer, Journal Article
Sensor and Actuator A -
2017 - 2017
Reviewer, Journal Article
Experimental Thermal and Fluid Science -
2017 - 2017
Session Chair
IEEE ITherm -
2016 - 2016
Reviewer, Journal Article
Energy Conversion and Management -
2015 - 2015
Reviewer, Conference Paper
ASTFE First Thermal and Fluids Engineering Conference 2015 -
2015 - 2015
Reviewer, Conference Paper
ASTFE First Thermal and Fluids Engineering Conference 2015 -
2015 - 2015
Reviewer, Conference Paper
ASME Turbo Expo 2015 -
2015 - present
Other
Youngstown State University
-
2015 - 2017
Board Member
Korean Association of Youngstown Area
Kyosung Choo, Ph.D., is an Associate Professor of Mechanical Engineering at Youngstown State University. Prior to joining YSU, he served as a postdoctoral fellow in the Center for Environmental Energy Engineering at University of Maryland.
He received his Ph.D. and M.S. in Mechanical Engineering from KAIST (Korea Advanced Instituted of Science and Technology) and his B.S. in Mechanical and Control Engineering from Handong University, Korea. His research interests include heat transfer for additive and advanced manufacturing, two-phase flow, jet impingement, energy efficiency of data centers and buildings, and electronics cooling.
He has published over 50 articles and papers in the field. He is a recipient of Outstanding Research Award from Brain Korea 21 in 2010 and Outstanding Academic Award from KAIST in 2011.