Dr. Kyosung Choo

Dr. Kyosung Choo

Associate Professor

Rayen School of Engineering

Moser Hall 2550

phone: (330) 941-3030

kchoo@ysu.edu

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

• Intellectual Contributions

  • 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

    "Thermal-Stress Characteristics of a Large Area Additive Manufacturing"

    B. Friedrich, K. Choo

    Heat Transfer Engineering, volume 44, issue 13, p. 1083--1098

  • 2023

    "BOILING ENHANCEMENT USING WATER JET IMPINGEMENT ON POROUS MEDIA COLUMNAR POST SURFACE"

    W. Bevan, G. Hwang, K. Choo

  • 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

  • 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

  • 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

  • 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

  • 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

  • 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

  • 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

  • 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

  • 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

  • 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

  • 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

    "Corrigendum to “The influence of nozzle diameter on the circular hydraulic jump of liquid jet impingement”[Experimen. Thermal Fluids 72 (2016) 12--17]"

    K. Choo, S. Kim

    Experimental Thermal and Fluid Science, volume 100, issue 78, p. 370

  • 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, C. Kyosung

    ASHRAE Transactions, volume 121, issue 2, p. 71--84

  • 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

  • 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

  • 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

  • 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

  • 2007

    "The Effect of Thermal Concentration in Thermal Chips"

    K. Choo, I. Han, S. Kim

    대한기계학회 춘추학술대회, p. 3102--3105

  • 2007

    "Experimental study on the heat transfer characteristics of a micro scale impinging jet"

    K. Choo

    한국과학기술원

  • "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

  • "THE EFFECTS OF NOZZLE-TO-PLATE SPACING ON HEAT TRANSFER AND FLUID FLOW OF JET IMPINGEMENT"

    K. Choo, K. Schilling, B. Friedrich

  • "The Effect of Nozzle-to-plate Spacing on Unconfined Air-assistant Water Impinging Jets"

    A. Glaspell, K. Choo

  • "Simulation of Metal Additive Manufacturing"

    . De la Pena, J Angel Diosdado, K. Choo

  • "Simulation of a Research Data Centre Room in an Academic Campus"

    K. Alsharif, K. Choo

• Professional Service

  • 2021 - 2021

    Reviewer, Conference Paper
    ASME MSEC 2021

  • 2021 - 2021

    Reviewer, Conference Paper
    ASME MSEC 2021

  • 2021 - 2021

    Reviewer, Conference Paper
    ASME MSEC 2021

  • 2021 - 2023

    Other
    Youngstown State University

  • 2021 - 2023

    Reviewer, Journal Article
    Physics of Fluids

  • 2021 - 2023

    Reviewer, Journal Article
    Applied Thermal Engineering

  • 2021 - 2023

    Reviewer, Journal Article
    Applied Energy

  • 2021 - 2023

    Reviewer, Conference Paper
    American Society of Mechanical Engineers

  • 2021 - 2023

    Reviewer, Journal Article
    Additive Manufacturing

  • 2021 - 2023

    Reviewer, Journal Article
    Additive Manufacturing

  • 2020 - 2020

    Session Chair
    International Conference of Fluid Flow, Heat and Mass Transfer

  • 2020 - 2020

    Reviewer, Conference Paper
    ASME MSEC 2020

  • 2019 - 2021

    Other
    recommendation letters

  • 2019 - 2021

    Reviewer, Journal Article
    Journal of Energy Storage

  • 2019 - 2021

    Reviewer, Journal Article
    Journal of Energy Storage

  • 2019 - 2021

    Reviewer, Journal Article
    International Journal of Heat and Mass Transfer

  • 2019 - 2021

    Reviewer, Journal Article
    Energies

  • 2019 - 2021

    Reviewer, Journal Article
    ASME Electronics Packaging

  • 2019 - 2021

    Reviewer, Journal Article
    Applied Thermal Engineering

  • 2019 - 2021

    Reviewer, Journal Article
    Applied Thermal Engineering

  • 2019 - 2021

    Reviewer, Journal Article
    Applied Thermal Engineering

  • 2019 - 2021

    Reviewer, Journal Article
    Applied Thermal Engineering

  • 2019 - 2021

    Reviewer, Journal Article
    Applied Thermal Engineering

  • 2019 - 2021

    Reviewer, Journal Article
    Applied Thermal Engineering

  • 2019 - 2021

    Reviewer, Journal Article
    Additive Manufacturing

  • 2019 - 2021

    Reviewer, Journal Article
    Additive Manufacturing

  • 2019 - 2021

    Reviewer, Journal Article
    Additive Manufacturing

  • 2019 - 2021

    Reviewer, Journal Article
    Additive Manufacturing

  • 2019 - 2021

    Reviewer, Journal Article
    Additive Manufacturing

  • 2018 - 2018

    Reviewer, Conference Paper
    InterPACK 2018

  • 2018 - 2018

    Reviewer, Conference Paper
    IEEE ITherm 2018

  • 2018 - 2019

    
    Science of the Total Environment

  • 2018 - 2019

    Reviewer, Journal Article
    Journal of Energy Storage

  • 2018 - 2019

    Reviewer, Journal Article
    International Journal of Heat and Mass Transfer

  • 2018 - 2019

    Reviewer, Grant Proposal
    Department of Energy ARPA-E Grant Proposals Reviewer

  • 2018 - 2019

    Reviewer, Journal Article
    Atomization and Sprays

  • 2018 - 2019

    Reviewer, Journal Article
    Applied Energy

  • 2018 - 2019

    Reviewer, Journal Article
    Applied Energy

  • 2018 - 2019

    Reviewer, Journal Article
    Additive Manufacturing

  • 2018 - 2019

    Reviewer, Journal Article
    Additive Manufacturing

  • 2018 - 2019

    Reviewer, Journal Article
    Additive Manufacturing

  • 2017 - 2017

    Session Chair
    IEEE ITherm 2017

  • 2017 - 2017

    Reviewer, Conference Paper
    IEEE ITherm 2017

  • 2017 - 2017

    Reviewer, Conference Paper
    ASME Interpack 2017

  • 2017 - 2018

    Reviewer, Journal Article
    International Journal of Heat and Mass Transfer

  • 2017 - 2018

    Reviewer, Journal Article
    International Journal of Heat and Mass Transfer

  • 2017 - 2018

    Reviewer, Journal Article
    International Journal of Heat and Mass Transfer

  • 2017 - 2018

    Reviewer, Journal Article
    International Journal of Heat and Mass Transfer

  • 2017 - 2018

    Reviewer, Journal Article
    International Journal of Heat and Mass Transfer

  • 2017 - 2018

    Reviewer, Journal Article
    Experimental Thermal and Fluid Science

  • 2017 - 2018

    Reviewer, Journal Article
    Energies

  • 2016 - 2016

    Reviewer, Conference Paper
    IEEE ITherm 2016

  • 2016 - 2017

    Reviewer, Journal Article
    Sensor and Actuator A

  • 2016 - 2017

    Reviewer, Journal Article
    International Journal of Thermal Sciences

  • 2016 - 2017

    Reviewer, Journal Article
    International Journal of Heat and Mass Transfer

  • 2016 - 2017

    Reviewer, Journal Article
    Fuel

  • 2016 - 2017

    Reviewer, Journal Article
    Experimental Thermal and Fluid Science

  • 2016 - 2017

    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 - 2016

    Reviewer, Journal Article
    International Journal of Thermal Sciences

  • 2015 - 2016

    Reviewer, Journal Article
    International Journal of Thermal Sciences