麻豆传媒映画出品

• Ph.D., Mechanical Engineering, University of Michigan, 2010
• M.S., Mechanical Engineering, University of Michigan, 2006
• B.S., Mechanical Engineering, Handong Global University, Korea, 2002

• Phase-change heat transfer in micro-/nanoscale porous media
• Thermal and water management
• Additive manufacturing
• Machine learning and transfer learning
• X-ray image-based pore-scale modeling
• Computational fluids dynamics
• Molecular dynamics simulation

• Numerical Methods for Engineers (ME 325): 43 Students (2023F), 57 (2023S), 52 (2022F), 45 (2022S), 43 (2021F), 64 (2021S), 42 (2020F), 49 (2020S), 77 (2019F), 49 (2019S), 70 (2018F), 72 (2018S), 75 (2017F), 79 (2017S), 51 (2016F), 102 (2016S), 63 (2015F)
• Thermodynamics I (ME 398): 29 Students (2017S), 58 (2016F), 71 (2015S), 88 (2014F), 73 (2013F)
• Thermodynamics 2 (ME 502): 60 Students (2024Sp)
• Mechanical Engineering Systems Lab. (ME 633): 11 Students (2023Su)
• Modeling of Engineering Systems (ME 730): 30 Students (2023F), 30 (2022F), 24 (2021F), 22 (2020F), 23 (2019F), 27 (2018F), 10 (2017F), 13 (2016S), 12 (2014S)
• Transport in Porous Media (ME 750AJ): 5 Students (2023S), 6 (2021S)
• ME Graduate Seminar (ME 777): 31 Students (2024Sp), 23 (2019F), 21 (2019S), 18 (2018F), 15 (2018S), 14 (2017F)
• Introduction to Molecular Simulations (ME 859): 5 Students (2022S), 12 (2015S)
• Two-Phase Flow Heat Transfer (ME 854): 3 Students (2020S)

Selected publications

Total Citations: 2,913, h-index: 25, i10-index: 38, as of 07/12/2024 based on google scholar

Peer-Reviewed Book Chapters

[1]     G. Hwang, and T. Avanessian, 鈥淢ultiscale Thermal Diode and Switch for Advanced Thermal Management Systems鈥�, Multiscale Thermal Transport in Energy Systems, edited by Y.-L. He and Y. Zhang, Nova Science Publisher Inc. New York, Dec., 2016. [2]     G. Hwang, C.W. Park, and M. Kaviany, 鈥淗igh-Heat-Flux, Distributed, Capillary-Artery Evaporators鈥�, Handbook of Porous Media, 3rd Eds., edited by K. Vafai, Taylor and Francis & CRC Press, July, 2015.

Peer-Reviewed Journal Articles

[1] Mehdi, M. Borumand, and G. Hwang, 鈥淎ccurate and Robust Predictions of Pool Boiling Heat Transfer with Micro-Structured Surfaces using Probabilistic Machine Learning Models鈥�, Int. J. Heat Mass Transfer, 226, 125487, 2024. [2] Borumand, S. Nannapaneni, G. Madiraddy, M. Sealy, S. E. Borujeni, and G. Hwang, 鈥淪mart Process Mapping of Powder Bed Fusion Additively Manufactured Metallic Wicks using Surrogate Modeling鈥�, J. Intell. Manuf. in press, 04/2024. [3] Borumand, T. Lee, and G. Hwang, 鈥淓nhanced Wickability in Single- and Three-Columnar Bi-Particle Size Wicks using Multiphase Lattice Boltzmann Method鈥�, Comput. Fluids, 255, 105831, 2023. [4] A. Riley, C.E. Mendez, M.K. Egbo, G. Hwang, and M.M. Derby, 鈥淰isualizing and Disrupting Liquid Films for Filmwise Flow Condensation in Horizontal Minichannels鈥�, Front. Therm. Eng., 2, 953051, 2022. [5] Mehdi, S. Nannapaneni and G. Hwang, 鈥淪tructural-Material-Operational Performance Relationship for Enhanced Pool Boiling Surfaces using a Deep Neural Network Model鈥�, Int. J. Heat Mass Transfer, 198, 123395, 2022. [6] Li, H. Li, J. Wang, G. Xia, and G. Hwang, 鈥淭unable Thermal Rectification and Negative Differential Thermal Resistance in Gas-filled Nanostructure with Mechanically-controllable Nanopillars鈥�, J. Therm. Sci., 31, 1084-1093, 2022. [7] Borumand, T. Lee, and G. Hwang, 鈥淓nhanced Wickability through Non-Uniform Pore Size Wick using Lattice Boltzmann Method鈥�, Comput. Fluids, 238, 105376, 2022. [8] Egbo, M. Borumand, Y. Nasersharifi, and G. Hwang, 鈥淩eview: Surface Orientation Effects on Pool-boiling with Plain and Enhanced Surfaces鈥�, Appl. Therm. Eng., 204, 117927, 2022. [9] K. Egbo, J. Keese, and G. Hwang, 鈥淓nhanced Wickability of Bi-Particle-Size, Sintered-Particle Wicks for High-Heat Flux Two-Phase Cooling Systems鈥�, Int. J. Heat Mass Transfer, 179, 121714, 2021. [10] K. Egbo and G. Hwang, 鈥淧hase-change Heat Transfer of Bare Surface Evaporator with Phase-Separating Wick in Downward Facing Orientation鈥�, Int. J. Heat Mass Transfer, 173, 121206, 2021.

See the full list of pulication .

• Degrees
  • Associate Professor, Department of Mechanical Engineering, 麻豆传媒映画出品 08/19 Present, 麻豆传媒映画出品, KS
  • Assistant Professor, Department of Mechanical Engineering, 麻豆传媒映画出品 09/13 鈥� 07/19, 麻豆传媒映画出品, KS
  • Post-doctoral Fellow, Environmental Energy Technologies Division, Lawrence Berkeley National Laboratory, Supervisor: A.Z. Weber 09/10 鈥� 08/13, Berkeley, CA
• Professional Affiliations
  •  Member of American Society for Mechanical Engineers (ASME)
  • Member of Electrochemical Society (ECS)
  •  Korean-American Scientists and Engineers Association (KSEA
• Journal and Conference Reviews
  • Nanoscale and Microscale Thermophysical Engineering
  • Electrochemical Society Journal/Transaction, Journal of Mechanical Science and Technology
  • ASME Journal/Transaction, Journal of Microelectromechanical Systems
  •  International Journal of Heat and Mass Transfer, and Journal of Thermophysics and Heat Transfer
• Service on Proposal Review Panels for Granting Agencies
  • Panel Review, Department of Energy, Bioenergy Technology Office
  •  White Paper Review, Department of Energy, Advanced Research Projects Agency - Energy
  • Panel Review, National Science Foundation, Chemical, Bioengineering, Environmental, and Transport Systems
  •  Reviewer, Stanford Synchrotron Radiation Lightsource (SSRL)
  •  Reviewer, Energy Market Authority Research and Development of Singapore
• Military Service
  • Compulsory Military Service in Training and Doctrine Command
  • Served in a Computer Administration Branch for Programming and Computer System Management

• Dwane and Velma Wallace Excellence in Research Award, 2022, College of Engineering, 麻豆传媒映画出品.
• 3rd Place, Oral Presentation (coauthor with a student, Yahya Nasersharifi) at Graduate Research and Scholarly Projects (GRASP) Symposium, 鈥淓nhanced Critical Heat Flux in Pool Boiling Using Canopy-Capillary Evaporator Wick鈥�, 2016, 麻豆传媒映画出品, Prize $250.
• Kansas NSF EPSCoR, First Award: Adsorption-Controlled, Thermal diode and Switch (ACTS)鈥�, 2015, 麻豆传媒映画出品
• ASEE Outstanding Student Instructor Award, 2007, University of Michigan
•  First Prize (Heat Transfer Poster Session), 2006 Engineering Graduate Student Symposium, University of Michigan
•  Second Prize (Fluid Mechanics and Heat Transfer Poster Session), 2005 Engineering Graduate Student Symposium, University of Michigan
• Academic Excellence Scholarship, 1997 鈥� 2002, Handong University

• R. Nair and G. Hwang, System and Method for Forming Wick Structure (Provisional Patent Application, 20TECH007, 0803808.0059), 01/23/2020.
• J.B. Kerr, X. Zhu, G. Hwang, and et al., Membrane鈥怑lectrode Structures for Molecular Catalyst for Use in Fuel Cells and other Electrochemical Devices, US Patent No. 9455451, 09/27/2016

External Grants as a PI: $1,266,721

• Hwang (PI), 鈥淐ollaborative Research: Capillary-Controlled Thermal Diode using Heterogeneous Nanostructures鈥�, National Science Foundation (NSF) (Award#: 2344146), $159,986, 06/01/2024 鈥� 05/31/2027.
• Hwang (PI), 鈥淩II Track-4: Tailored Flow Boiling Mechanisms Using 3D Printed Multifunctional Wick Structures鈥�, NSF Established Program to Stimulate Competitive Research (EPSCoR) (Award#: 1929187), $243,635, 12/01/2019 鈥� 11/30/2023.
• Hwang (PI), A. Betz, M. Derby, X. Li, and R. Nair (Co-PIs), 鈥淓fficient and Compact Thermal and Water Management Systems using Novel Capillary Structure for Space Technology鈥�, NASA Cooperative Agreement Notice (CAN) Established Program to Stimulate Competitive Research (EPSCoR) (Grant#: 80NSSC18M0030), $750,000, 12/01/2017 鈥� 11/30/2020.
• Hwang (PI), 鈥淥ptimal Design of Planar, Multistage Thermoelectric Cooler鈥�, Sandia National Laboratory, $30,000, 3/24/2016 鈥� 9/23/2016.
• Hwang (PI), 鈥淎dsorption-Controlled, Thermal diode and Switch (ACTS)鈥�, Kansas National Science Foundation (NSF) Established Program to Stimulate Competitive Research (EPSCoR), First Award, $83,100, 1/1/2016 鈥� 12/31/2016.

External Grant as a Co-PI: $149,989

• Swindle (PI), G. Hwang (Co-PI), and X. Wang (Co-PI), 鈥淯sing Probabilistic Machine Learning to Enhance Access to Drinking Water in Kansas鈥�, Kansas Water Institute, $50,000, 10/1/2024 鈥� 9/30/2026.
• Swindle (PI), G. Hwang (Co-PI), and X. Wang (Co-PI), 鈥淓nhanced Resilience of Drinking Water Accessibility in KS Using Probabilistic Machine Learning鈥�, Kansas NSF Established Program to Stimulate Competitive Research (EPSCoR), $50,000, 7/1/2024 鈥� 8/31/2025.
• Byun (PI), M. Alagic (Co-PI), and G. Hwang (Co-PI), 鈥淧roject-Based Learning with Technology (PBLT) Workshop for Middle School Global Climate Change Education using NASA Education Resources鈥�, Kansas Space Grant Consortium, $49,989, 10/1/2021 鈥� 12/31/2022.

Internal Grants: Total of $358,167

• Zachary Walker (Undergraduate Student) and Hwang (Faculty Advisor), 鈥淎rtificial Intelligence Assisted Novel Wick Structure Designs鈥�, Undergraduate Engineering Summer Research Grant, College of Engineering, 麻豆传媒映画出品 State University, $4,000, 06/01/2023 - 07/31/2023.
• Hwang (PI), N. Saideep, M. Alagic, R. Shen, T. Lu, K. Ambal, X. Wang, T. Babb (Co-PIs), 鈥淪mart Fusion Material Research Cluster鈥�, President鈥檚 Convergence Sciences Initiative, 麻豆传媒映画出品, $300,000, 10/01/2020 鈥� 09/30/2023.
• Allen George (Undergraduate Student) and Hwang (Faculty Advisor), 鈥淐apillary Flow of 3D Printed Metallic Wick鈥�, Undergraduate Engineering Summer Research Grant, College of Engineering, 麻豆传媒映画出品, $3,500, 06/30/2020 - 08/31/2020.
• Jacob Keese (Undergraduate Student) and Hwang (Faculty Advisor), 鈥淓nhanced Capillary Flow in Sintered Particles for Efficient Two-Phase Cooling Systems鈥�, Undergraduate Research and Creative Activities (URCA) Grant, 麻豆传媒映画出品 State University, $1,000, 12/01/2019-11/30/2020.
• Evan Waddell (Undergraduate Student) and Hwang (Faculty Advisor), 鈥淯ltrasound-Heated Polymer Skin for Efficient Deicing Systems鈥�, Undergraduate Research and Creative Activities (URCA) Grant, 麻豆传媒映画出品, $1,000, 11/04/2019-11/04/2020.
• Moriah Ausherman (Undergraduate Student) and Hwang (Faculty Advisor), 鈥淔undamental Understandings of Monolayer Wick for Enhanced Cooling鈥�, Nebraska Nanoscale Facility Professor/Student Pair Project, University of Nebraska-Lincoln, $5,500, 06/01/2019 - 08/12/2019.
• Evan Waddell (Undergraduate Student) and Hwang (Faculty Advisor), 鈥淒eicing Performance Characterizations of Ultrasound-Activated Polymer Skin鈥�, Undergraduate Engineering Summer Research Grant, College of Engineering, 麻豆传媒映画出品, $3,620, 06/07/2019 - 08/31/2019.
• Hwang (PI), 鈥淒ynamic 3D Capillary Flow Visualization using Fast X-ray Microtomography鈥�, Award for Research/Creative Projects in Summer (ARCS), 麻豆传媒映画出品, $4,000, 05/01/2018 鈥� 08/31/2018.
• Nathan Albu (Undergraduate Student) and Hwang (Faculty Advisor), 鈥淒esign of Highly Permeable Monolayer Wick for Advanced Thermal Management Systems鈥�, Undergraduate Engineering Research Grant, College of Engineering, 麻豆传媒映画出品, $3,500, 06/01/2018 - 08/17/2018.
• Evan Boutz (Undergraduate Student) and Hwang (Faculty Advisor), 鈥淯nderstanding of Capillary Transition in Heterogeneous Carbon and Silicon-based Nanoporous Structures using Molecular Simulations鈥�, Undergraduate Engineering Summer Research Grant, College of Engineering, 麻豆传媒映画出品, $3,600, 06/01/2018 - 08/17/2018.
• Hwang (PI), 鈥淓fficient Water Boiler using 3D Microstructured Surface鈥�, John A. See Innovation Award, 麻豆传媒映画出品, $11,000, 05/01/2017 鈥� 4/30/2018.
• Hwang (PI), 鈥淓dison Engineering Incubator (EEI)鈥�, Brenton Myers Innovation in Engineering Education Award, 麻豆传媒映画出品, $7,000, 01/17/2017 鈥� 01/16/2018.
• Kian Hong Er (Undergraduate Student) and Hwang (Faculty Advisor), 鈥淔undamental Understandings of Monolayer Wick for Enhanced Cooling鈥�, Undergraduate Research Grant, 麻豆传媒映画出品, $999, 1/5/2017-1/4/2018.
• Nisal Habakkala (Undergraduate Student) and Hwang (Faculty Advisor), 鈥淒evelopment of Efficient Solar-Thermal-Based Water Desalination System using Biphillic Surfaces, $975, 1/5/2017-1/4/2018.
• Dilanki Wevita (Undergraduate Student) and Hwang (Faculty Advisor), 鈥淟iquid-Artery Wick for Novel Solar-Thermal-Based Water Desalination System鈥�, Undergraduate Research Grant, 麻豆传媒映画出品, $998, 1/5/2017-1/4/2018.
• Hwang (PI), 鈥淚nnovative Capillary-Wick Evaporator for Efficient and Economic Steam Generator鈥�, University research/Creative Projects Award (URCA), 麻豆传媒映画出品, $4,500, 7/1/2015 鈥� 6/30/2016.
• Qi Heng (Undergraduate Student) and Hwang (Faculty Advisor), 鈥淒evelopment of Heterogeneously Surface Treated Gas Diffusion Layer of High Performance and Low Cost Proton-Exchange-Membrane Fuel Cells鈥�, Undergraduate Research Grant, 麻豆传媒映画出品, $1,000, 5/1/2015-4/30/2016.
• Yatharsana Manickavasagar (Undergraduate Student) and Hwang (Faculty Advisor), 鈥淒evelopment of Thin Sample Thermal Conductivity Measurement鈥�, Undergraduate Research Grant, 麻豆传媒映画出品, $975, 5/1/2015-4/30/2016.
• Aneek Noor (Undergraduate Student) and Hwang (Faculty Advisor), 鈥淒evelopment of Optimal Water Management System for a Proton Exchange Membrane Fuel Cell (PEMFC)鈥�, Undergraduate Research Grant, 麻豆传媒映画出品, $1,000, 3/1/2015-2/28/2016.

Computing Time:

• Hwang (PI), 鈥淥ptimal Designs of Heterogeneous Nanomaterials for Advanced Thermal Management Systems鈥�, CTS160045, Computing Time and Data Storage in NSF XSEDE (SDSC), 400 K SUs and 2 TB, (Equivalent Value of $14,218), 10/01/2016 鈥� 12/31/2017.

Service and Leadership Activities

•  Executive Committee Member, ASME Process Industry Division (PID)
•  Research Council, College of Engineering, WSU
•  Undergraduate Coordinator, Department of Mechanical Engineering, WSU
• Award Committee Member, College of Engineering, WSU
•  Mentor for Junior Faculty, College of Engineering, WSU
•  Track Organizer, 2020 ASME ICNMM, Orlando, FL
•  Topic Organizer, 2018 AIAA/ASME Joint Thermophysics and Heat Transfer Conference
• Topic Organizer, 2017/2018 ASME InterPACK, San Francisco, CA
• Topic Organizer, 2017 ASME Power and Energy Conference, Charlotte, NC
•  Topic Organizer, 2016 ASME ICNMM, Washington DC
• Topic Organizer, 2015 ASME InterPACK&ICNMM, San Francisco, CA
•  Topic Organizer, 2014 ASME IMECE, K10, Montreal, Canada
•  Session Chair (Thermofluid Session), the 2009 Engineering Graduate Student Symposium, University of Michigan
• Vice-President of the Student Union, Mechanical Engineering, Handong University

Research interests

Multiscale thermal-fluid sciences and engineering in thermal and electrochemical energy conversion systems; optimal porous material design; solid-fluid surface sciences; multi-phase transport phenomena; microstructure characterization; molecular dynamics simulation; pore-scale modeling; multiscale capillary wick; fuel cell and flow battery electrodes; polymer electrolyte membrane; thermally-conducting polymers

Sustainable Energy Science and Engineering Laboratory (SESEL) pursuits the research interests on fundamental understandings of the thermofluid sciences and engineering aiming at developing novel energy transport, conversion, and storage systems for a clean and sustainable energy future. The development of the sustainable energy systems is the one of the greatest challenges, and solutions to this require innovative approaches. SESEL approaches are designing micro/nanostructured systems for the efficient energy conversion/transport/storage systems using the fundamentals of thermofluid sciences and electrochemistry, and emerging computational methodology and micro/nanotechnologies for desired functionalities. The research projects are related to the fundamental challenges with a wide range of emerging thermal, energy, and environmental systems. These include advanced thermal management, waste heat recovery, fuel cells, advanced rechargeable batteries, CO2 sequestration, and bio-medical systems. The long term goal is to elucidate the fundamental behaviors of principal energy carriers for innovative sustainable energy and environmental systems.

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Certifications 

• National Technical Qualification Certificate for Computer Programming, Korea