Publication List
Citation (google scholar)
Book Chapters Journal Papers Conference Papers/Presentations Theses
Book Chapters
2. T. Avanessian, and G. Hwang, “Multiscale Thermal Diode and Switch for Advanced Thermal Management Systems”, Multiscale Thermal Transport in Energy Systems, edited by Y.-L. He and Y. Zhang, Nova Science Publisher Inc., Nov. 2016.
1. G. Hwang, C.W. Park, and M. Kaviany, “High-Heat-Flux, Distributed, Capillary-Artery Evaporators”, Handbook of Porous Media, 3rd Eds., edited by K. Vafai, Taylor and Francis & CRC Press, July, 2015.
Journal Papers
2023
50. S. Mehdi, M. Borumand, and G. Hwang, “Accurate and Robust Predictions of Pool Boiling Heat Transfer with Micro-Structured Surfaces using Probabilistic Machine Learning Models”, Int. J. Heat Mass Transfer, 226, 125487, 2024.
49. M. Borumand, S. Nannapaneni, G. Madiraddy, M. Sealy, S. E. Borujeni, and G. Hwang, “Smart Process Mapping of Power Bed Fusion Additively Manufactured Metallic Wicks using Surrogate Modeling", J. Intell. Manuf. in press, 04/2024.
2023
48.M. Borumand, T. Lee, and G. Hwang, “Enhanced Wickability in Single- and Three-Columnar Bi-Particle Size Wicks using Multiphase Lattice Boltzmann Method”, Comput. Fluids, 255, 105831, 2023.
2022
47. G.A. Riley, C.E. Mendez, M.K. Egbo, G. Hwang, and M.M. Derby, “Visualizing and Disrupting Liquid Films for Filmwise Flow Condensation in Horizontal Minichannels”, Front. Therm. Eng., 2, 953051, 2022.
46. S. Mehdi, S. Nannapaneni and G. Hwang, “Structural-Material-Operational Performance Relationship for Enhanced Pool Boiling Surfaces using a Deep Neural Network Model”, Int. J. Heat Mass Transfer, 198, 123395, 2022.
45. F. Li, H. Li, J. Wang, G. Xia, and G. Hwang, "Tunable Negative Differential Thermal Resistance and Thermal Rectification in Gas-filled Nanogap with Controllable Ribbed Surfaces," J. Therm. Sci., 31, 1084-1093, 2022.
44. M. Borumand, T. Lee, and G. Hwang, “Enhanced Wickability through Non-Uniform Pore Size Wick using Lattice Boltzmann Method”, Comput. Fluids, 238, 105376, 2022.
43. M. Egbo, M. Borumand, Y. Nasersharifi, and G. Hwang, “Review: Surface Orientation Effects on Pool-boiling with Plain and Enhanced Surfaces”, Appl. Therm. Eng., 204, 117927, 2022.
2021
42. M.K. Egbo, J. Keese, and G. Hwang, “Enhanced Wickability of Bi-Particle-Size, Sintered-Particle Wicks for High-Heat Flux Two-Phase Cooling Systems”, Int. J. Heat Mass Transfer, 179, 121714, 2021.
41. M.K. Egbo and G. Hwang, “Phase-change Heat Transfer of Bare Surface Evaporator with Phase-Separating Wick in Downward Facing Orientation”, Int. J. Heat Mass Transfer, 173, 121206, 2021.
2020
40. Wang, G.A. Riley, M.K. Egbo, M.M. Derby, G. Hwang, and X. Li, “Integrated Micro X-ray Tomography and Pore-Scale Simulations for Accurate Permeability Predictions of Porous Media”, Front. Heat Mass Transf. 15, 1-8, 2020.
39. M.K. Egbo, Y. Nasersharifi, and G. Hwang, “Phase-Change Heat Transfer of Sintered-Particle Wick in Downward Facing Orientation: Particle Size and Wick Thickness Effects”, Int. J. Heat Mass Transfer, 155, 119840, 2020.
38. Dahariya, N. Patel, M.K. Egbo, G. Hwang, and A.R. Betz, “High Pressure Pool Boiling Heat Transfer Enhancement Mechanism on Sintered-Particle Wick Surface”, Front. Mech. Eng., 5, 71, 2020.
2019
37. Norouzi, C. Park, and G. Hwang, “Nanoscale Heat Pipe using Surface-Diffusion-Driven Condensate Return”, Int. J. Heat Mass Transfer, 130, 1238-1248, 2019.
36. A. García-Salaberri, I.V. Zenyuk, G. Hwang, M. Vera, A.Z. Weber, and J.T. Gostick, “Implications of Inherent Inhomogeneities in Thin Carbon Fiber-Based Gas-Diffusion Layers: A Comparative Modeling Study”, Electrochim. Acta, 295, 861-874, 2019.
2018
35. A. García-Salaberri, I.V. Zenyuk, G. Hwang, M. Vera, A.Z. Weber, and J.T. Gostick, “Analysis of Representative Elementary Volume and Through-plane Regional Characteristics of Carbon-Fiber Papers: Diffusivity, Permeability and Electrical/Thermal Conductivity”, Int. J. Heat Mass Transfer, 127, 687-703, 2018.
34. Salahuddin, M. N. Uddin, G. Hwang, and R. Asmatulu, “Superhydrophobic PAN Nanofibers for Gas Diffusion Layers of Proton Exchange Membrane Fuel Cells for Cathodic Water Management”, Int. J. Hydrogen Energy, 43, 11530-11538, 2018.
33. Y. Nasersharifi, M. Kaviany, and G. Hwang, “Pool-boiling Enhancement using Multilevel Modulated Wick”, Appl. Therm. Eng., 137, 268-276, 2018.
32. B. Hwang, K. Moriyama, G. Hwang, M. Kaviany, M. Lee, E. Kim, and H. Park, “Sensitivity and Uncertainty Analyses of Ex-vessel Molten Core Cooling in a Flooded Cavity during a Severe Accident”, Nucl. Eng. Des., 328, 121-133, 2018.
31. T. Avanessian, and G. Hwang, “Thermal Switch Using Controlled Capillary Transition in Heterogeneous Nanostructures”, Int. J. Heat Mass Transfer, 121, 127-136, 2018.
30. T. Avanessian, and G. Hwang, “Thermal Diode Using Controlled Capillary in Heterogeneous Nanopores”, Int. J. Heat Mass Transfer, 124, 201-209, 2018.
29. 4. T. Avanessian, and G. Hwang, “Adsorption and Capillary Transition in Heterogeneous Nanostructures using Grand Canonical Monte Carlo Simulation”, Int. J. Heat Mass Transfer, 123, 879-887, 2018.
28. R. Asmatulu, A. Khan, V.K. Adigoppula, and G. Hwang, “Enhanced Transport Properties of Graphene-Based, Thin Nafion® Membrane for Polymer Electrolyte Membrane Fuel Cells”, Int. J. Energ. Res., 42, 508-519, 2018.
2017
27. M. Salahuddin, M. N. Uddin, G. Hwang, and R. Asmatulu, “Superhydrophobic PAN Nanofibers for Gas Diffusion Layers of Proton Exchange Membrane Fuel Cells for Cathodic Water Management”, Int. J. Hydrogen Energy, in press (available online), Aug., 2017.
2016
26. M. Moulod, and G. Hwang, “Comparative Study in Water Confined in Graphene Nanogap”, J. Appl. Phys., 120, 194302, 2016.
25. T. Avanessian, and G. Hwang, “Adsorption-based Thermal Diode: Non-equilibrium Molecular Dynamics Simulations”, J. Appl. Phys., 120, 165306, 2016.
24. G. Hwang, M. Kaviany, K. Moriyama, H. Park, B. Hwang, M. Lee, E. Kim, and Y. Nasersharifi, “FARO Tests Corium-Melt Cooling in Water Pool: Roles of Melt Superheat and Sintering in Sediment”, Nucl. Eng. Des., 305, 569-581, 2016.
2015
23. P.A. Garcia-Salaberri, J.T. Gostick, G. Hwang, A.Z. Weber, and M. Vera, “Effective Diffusivity in Partially-Saturated Carbon-Fiber Gas Diffusion Layers: Effect of Local Saturation and Application to Macroscopic Continuum Models”, J. Power Sources, 296, 440-453, 2015.
22. P.A. Garcia-Salaberri, G. Hwang, M.V. Coello, A.Z. Weber, J.T. Gostick, “Effective Diffusivity in Partially-Saturated Carbon-Fiber Gas Diffusion Layers: Effect of Through-plane Saturation Distribution”, Int. J. Heat Mass Transfer, 86, 319-333, 2015.
21. I.V. Zenyuk, D.Y. Parkinson, G. Hwang, and A.Z. Weber, “Probing Water Distribution in Compressed Fuel-Cell Gas-Diffusion Layers Using X-ray Computed Tomography”, Electrochem. Commun., 53, 24-28, 2015.
2013
20. Gi Suk Hwang, D. Parkinson, A. Kusoglu, A. MacDowell, and A.Z. Weber, “Understanding Water Uptake and Transport in Nafion® using X-ray Micro-Tomography”, ACS Macro Lett., 2, 288-291, 2013.
19. Gi Suk Hwang, H. Kim, R. Lujan, R. Mukundan, D. Spernjak, R.L. Borup, M. Kaviany, M.H. Kim, and A.Z. Weber, “Phase-Change-Related Degradation of Catalyst Layers in Proton-Exchange-Membrane Fuel Cells”, Electrochim. Acta, 95, 29-37, 2013.
18. Y. Sungtaek Ju, M. Kaviany, Y. Nam, S. Sharratt, Gi Suk Hwang, I. Catton, E. Fleming, and P. Dussinger, “Planar Vapor Chamber with Hybrid Evaporator Wicks for the Thermal Management of High-Heat-Flux and High-Power Optoelectronic Devices”, Int. J. Heat Mass Transfer, 60, 163-169, 2013.
2012
17. Gi Suk Hwang, and A. Z. Weber, “Effective-Diffusivity of Partially-Saturated Gas-Diffusion Layer of Fuel Cells”, J. Electrochem. Soc., 159, F683-F692, 2012.
16. Qinggang He, Tawanda Mugadza, Gi Suk Hwang, and Tebello Nyokong, “Mechanisms of Electrocatalysis of Oxygen Reduction by Metal Porphyrins in Trifluoromethane Sulfonic Acid Solution”, Int. J. Electrochem. Sci., 7, 7045-7064, 2012.
2011
15. A.J. Gross, Gi Suk Hwang, B. Huang, H.-X. Yang, N. Ghafouri, H. Kim, R.L. Peterson, C. Uher, M. Kaviany, and K. Najafi, “Multistage Planar Thermoelectric Microcoolers”, J. MEMS., 20, 1201-1210, 2011.
14. Gi Suk Hwang, M. Kaviany, J.T. Gostick, B. Kientiz, A.Z. Weber, M.H. Kim, “Roles of Water States on Water Uptake and Water and Proton Transport in Nafion using Molecular Simulation and Bimodal Network Model”, Polymer, 52, 2584-2593, 2011.
13. Gi Suk Hwang, E. Fleming, B. Carne, S. Sharratt, Y. Nam, P. Dussinger, Y.S. Ju, M. Kaviany, “Multi-Artery Heat Pipe Spreader: Lateral Liquid Supply”, Int. J. Heat Mass Transfer, 54, 2334-2340, 2011.
2010
12. Gi Suk Hwang, Y. Nam, E. Fleming, P. Dussinger, Y.S. Ju, and M. Kaviany, “Multi-Artery Heat Pipe Spreader: Experiment”, Int. J. Heat Mass Transfer, 53, 2662–2669, 2010.
2009
11. Gi Suk Hwang, and M. Kaviany, “Molecular Dynamics Simulation of Effective Thermal Conductivity of Vapor-Filled Nanogap and Nanocavity”, J. Appl. Phys., 106, 024317-1-6, 2009.
10. Gi Suk Hwang, J. H. Nam, M. H. Kim, S. Y. Son, and M. Kaviany, “Pore-Water Morphological Transitions in Polymer Electrolyte of a Fuel Cell”, J. Electrochem. Soc., 156, B1192-B1200, 2009.
9. J.H. Nam, K. J. Lee, Gi Suk Hwang, C. J. Kim, and M. Kaviany, “Microporous Layer for Water Morphology Control in PEMFC”, Int. J. Heat Mass Transfer, 52, 2779-2791, 2009.
8. D.H. Min, Gi Suk Hwang, Y. Usta, O.N. Cora, M. Koc, and M. Kaviany, “2-D and 3-D Modulated Porous Coatings for Enhanced Pool Boiling”, Int. J. Heat Mass Transfer, 52, 2607-2613, 2009.
7. Gi Suk Hwang, A.J. Gross, H. Kim, S. W. Lee, N. Ghafouri, B. L. Huang, C. Lawrence, C. Uher, K. Najafi, and M. Kaviany, "Micro Thermoelectric Cooler: Planar Multistage", Int. J. Heat Mass Transfer, 52, 1843-1852, 2009.
6. D.H. Min, Gi Suk Hwang, and M. Kaviany, “Multi-Artery, Heat-Pipe Spreader”, Int. J. Heat Mass Transfer, 52, 629-635, 2009.
2008
5. B. Huang, C. Lawrence, A. Gross, Gi Suk Hwang, N. Ghafouri, S. W. Lee, H. Kim, C. P. Li, C. Uher, K. Najafi, and M. Kaviany, “Low-Temperature Characterization and Micro Patterning of Co-Evaporated Bi2Te3/Sb2Te3 Films”, J. Appl. Phys., 104, 113710-1-8, 2008.
2007
4. Gi Suk Hwang, M. Kaviany, W.G. Anderson, and J. Zuo, “Modulated Wick Heat Pipe”, Int. J. Heat Mass Transfer, 50, 1420-1434, 2007.
2006
3. Gi Suk Hwang, M. Kaviany, “Critical Heat Flux in Thin, Uniform Particle Coatings”, Int. J. Heat Mass Transfer, 49, 844-849, 2006.
2. J.Y. Lee, Gi Suk Hwang, M. Kim, “Experimental Investigation on Onset Criteria of Liquid/Gas Entrainment in the Header-Feeder System of CANDU”, J. Mech. Sci. Tech., 20, 1030-1042, 2006.
1. J.Y. Lee, Gi Suk Hwang, M. Kim, H.C. NO, “Experimental Analysis of Off-Take Phenomena at Header-Feeder System in CANDU”, Ann. Nucl. Energy, 33, 1-12, 2006.
Conference Papers/Presenations
2023
33. S. Mehdi, M. Borumand, and G. Hwang, “(Poster Presentation) Probabilistic Machine Learning Models for Pool Boiling on Enhanced Surfaces”, Micro Flow and Interfacial Phenomena, Evanston, IL, USA, 6/19 - 6/21/2023
32. S. Mehdi, and G. Hwang, “(Poster Presentation) Accurate and Robust Prediction of Enhanced Pool Boiling Heat Transfer on Micro-structured Surfaces using Probabilistic Machine Learning Models”, Artificial Intelligence (AI) for Thermal Energy Science Workshop, Irvine, CA, USA, 4/17 - 4/18/2023.
2022
31. M. Borumand, S. E. Borujeni, M. Ausherman, G. Madiraddy, S. Nannapaneni, M. Sealy, and G. Hwang, “Smart Process Mapping of Additively-Manufactured Wicks using Classification Models (IMECE-2022-99877)”, ASME International Mechanical Engineering Congress and Exposition (IMECE), Columbus, OH, USA, 10/30 - 11/3/2022.
2021
30. Borumand, S. E. Borujeni, S. Nannapaneni, M. Ausherman, G. Madiraddy, M. Sealy, and G. Hwang, “Process Mapping of Additively-Manufactured Metallic Wicks through Surrogate Modeling (IMECE2021-71241)”, ASME International Mechanical Engineering Congress and Exposition (IMECE), Virtual Conference, 11/1-5/2021.
29. Borumand and G. Hwang “Enhanced Pool Boiling Critical Heat Flux on Tilted Heating Surfaces using Columnar-Post Wicks (IMECE2021-70054)”, ASME International Mechanical Engineering Congress and Exposition (IMECE), Virtual Conference, 11/1-5/2021.
2020
28. M. Borumand, T. Lee, and G. Hwang, “Enhanced Wickability of Thin Non-uniform Sintered Particle Wicks using Lattice Boltzmann Method (IMECE2020-24311)”, ASME International Mechanical Engineering Congress and Exposition (IMECE), Portland, OR, USA, 11/15-18, 2020.
2019
27. Bashir, K. Sit, R. Nair, and G. Hwang, “Additive Manufacturing of Thin Wick Structures using Microsecond Pulse Laser (ICES-2019-234)”, 49th International Conference on Environmental Systems, 2019, 07/07-11, Boston, MA, USA.
26. Albu, J. Keese, and G. Hwang, “Bimodal, Thin Wick Structures for High Heat Flux Two-Phase Thermal Control Systems (ICES-2019-206)”, 49th International Conference on Environmental Systems, 2019, 07/07-11, Boston, MA, USA.
25. Borumand and G. Hwang, “High Heat Flux Two-Phase Thermal Control System using Non-Uniform Capillary Evaporator (ICES-2019-176)”, 49th International Conference on Environmental Systems, 2019, 07/07-11, Boston, MA, USA.
24. Dahariya, A.J. Pai, G. Hwang, and A.R. Betz, “Pool Boiling Heat Transfer Enhancement using Sintered Particle Wick Structure (TFEC-2019-27387)”, 4th Thermal and Fluids Engineering Conference (TFEC), 2019, 04/14-17, Las Vegas, NV, USA.
2017
23. Avanessian and G. Hwang, “Nanostructure-driven Thermal Switch Using Molecular Simulations (IMECE2017-72663)”, Proceedings of the ASME 2017 International Mechanical Engineering Congress and Exposition, 2017, Nov., Tampa, FL, USA.
22. Garcia-Salaberri, J. Gostick, I. Zenyuk, G. Hwang, M. Vera, A. Weber, “On the Limitation of Volume-Averaged Formulations of Gas Diffusion Layers in the Modeling of Polymer Electrolyte Fuel Cells (I01A-1366)”, ECS Transaction, Oct. 2017, National Harbor, MD, USA.
21. Avanessian and G. Hwang, “Adsorption and Capillary Condensation in Nanogap with Nanoposts (HT2017-4782)”, Proceedings of the ASME 2017 Summer Heat Transfer Conference, 2017, July, Bellevue, WA, USA.
2016
20. T. Avanessian and G. Hwang, “Adsorption-Controlled Thermal Switch using Nonequilibrium Molecular Dynamics Simulation”, Proceedings of the ASME 2016 International Mechanical Engineering Congress and Exposition, 2016, Nov., Phoenix, AZ, USA.
19. M. Moulod and G. Hwang, “Nano Heat Pipe: Nonequilibrium Molecular Dynamics Simulation”, Proceedings of the ASME 2016 International Mechanical Engineering Congress and Exposition, 2016, Nov., Phoenix, AZ, USA.
18. B. Hwang, K. Moriyama, M. Lee, E. Kim, H.S. Park, G. Hwang, and M. Kaviany, “One-dimensional Analysis for Long-Term Cooling of Ex-Vessel Corium: Sensitivity Analysis”, The 11th International Topical Meeting on Nuclear Reactor Thermal Hydraulics, Operation and Safety, 2016, Oct., Gyeongju, Korea.
17. T. Avanessian and G. Hwang, “Adsorption-Controlled Thermal Diode: Nonequilibrium Molecular Dynamics Simulation”, ASME Heat Transfer, Fluids Engineering, & Nanochannels, Microchannels, and Minichannels Conferences, 2016, July, Washington, DC, USA.
16. M. Moulod and G. Hwang, “Comparative Studies on Water Self-Diffusivity Confined in Graphene Nanogap: Molecular Dynamics Simulation”, ASME Heat Transfer, Fluids Engineering, & Nanochannels, Microchannels, and Minichannels Conferences, 2016, July, Washington, DC, USA.
15. M. Moulod and G. Hwang (Poster Presentation), “Comparative Studies on Water Self-Diffusivity Confined in Graphene Nanogap: Molecular Dynamics Simulation”, Graduate Research and Scholarly Projects (GRASP) Symposium, Wichita State University, 4/29/2016.
14. T. Avanessian and G. Hwang (Poster Presentation), “Adsorption-controlled Thermal Diode: Nonequilibrium Molecular Dynamics Simulation”, Graduate Research and Scholarly Projects (GRASP) Symposium, Wichita State University, 4/29/2016.
13. M. Salahuddin, G. Hwang, and R. Asmatulu, “Superhydrophobic PAN Nanofibers for Gas Diffusion Layers of Proton Exchange Membrane Fuel Cells”, Proceeding of SPIE Smart Structures/NDE, Mar. 2016, Las Vegas, NV, USA.
2015
12. A. Khan, R. Asmatulu, and G. Hwang, “Proton Conductivity of Graphene-based Polymer Electrolyte Membrane”, ECS Transaction, Oct. 2015, Phoenix, AZ, USA.
11. K. Tarafder, and G. Hwang, “Optimal Design of High-Heat-Flux Capillary Evaporator”,
ASME 2015 International Conference on Nanochannels, Microchannels, and Minichannels,
July, 2015, San Francisco, CA, USA.
10. T. Avanessian, and G. Hwang, “Adsorption-based Thermal Rectifier”, ASME 2015 International
Conference on Nanochannels, Microchannels, and Minichannels, July, 2015, San Francisco,
CA, USA.
2013
9. G. Hwang, D. Parkinson, A. Kusoglu, A. MacDowell, and A.Z. Weber, “Understanding Water Uptake and Transport in Nafion® using X-ray Micro-Tomography”, 245th ACS National Meeting, April, 2013, New Orleans, LA, USA.
2012
8. Xiaobing Zhu, John B. Kerr, Qinggang He, G. Hwang, Zulima Martin, Kyle Clark, and Adam Weber, “Bridge to Fuel Cell Molecular Catalysis: 3D non-Platinum Group Metal Catalyst in MEAs”, ECS Transaction, May. 2012, Seattle, WA, USA.
2011
7. Q. He, G. Hwang, A. Z. Weber, R. Kostecki, and J. B. Kerr, “Electroreduction of Molecular Oxygen by Water-Soluble Metal Porphyrins in Trifluoromethane Sulfonic Acid Solution”, ECS Transaction, Oct. 2011, Boston, MA, USA.
2009
6. A. Gross, G. Hwang, B. Huang, H. Yang, N. Ghafouri, H. Kim, C. Uher, M. Kaviany, K. Najafi, “High-performance Micro Scale Thermoelectric Cooler: An Optimized 6-Stage Cooler”, Transducers, June 2009, Denver, CO, USA.
2008
5. M. Kaviany and G. Hwang, “Pore-Water State in Polymer Electrolyte and Its Cell
Performance Role”, Gordon Research Conference, Jul 2008, Oxford, UK.
4. A. Gross, B. Huang, G. Hwang, C. Lawrence, N. Ghafouri, S.W. Lee, H. Kim, C. Uher,
M. Kaviany, K. Najafi, “A Multistage In-Plane Micro-Thermoelectirc Cooler”, IEEE MEMS
Conference, Jan 2008, Tucson, AZ, USA.
3. J.Y. Lee, G. Hwang, S.H. Hwang, M. Kim, “Critical Discussion on the Universal 2.5
Power Scale for the Onset Criteria of the Liquid Entrainment and Vapor Pull-Through
through Branches in a Horizontal Pipe with Stratified Flow”, Proc. of KNS Spring Meeting,
May 2004, Kyungju, Korea.
2003
2. G. Hwang, Y.M. Moon, H.C. No, J.Y. Lee, S. O. Yu, M. Kim, H.J. Kim, “Off-take Experiment at T-junction between Header and Feeder Pipes in CANDU”, International Topical Meeting on Nuclear Reactor Thermal Hydraulics (NURETH10), October 2003, Seoul, Korea.
1. G. Hwang, J.Y. Lee, H.C. NO, Y.M. Moon, S.O. Yu, M. Kim, H.J. Kim, “Improvement of Safety Analysis Methodology for CANDU Reactors: Off-take Experiment at T-junction between Header and Feeder Pipes with Arbitrary Angles in CANDU”, Proc. of KNS Spring Meeting, May 2003, Kyungju, Korea.
Theses
Tadeh Avanessian, Ph.D. Dissertation, ME, WSU, “Adsorption and Capillary Transition-Controlled Thermal Diodes and Switches using Heterogeneous Nanostructures”, Dec. 2017
Aamer Khan, M.S. Thesis, ME, WSU, “Development of Graphene-Nafion-based Catalyst Layer for Polymer Electrolyte Membrane Fuel Cells”, Aug. 2015
Kapot Kallol Tarafder, M.S. Thesis, ME, WSU, “Optimal Design of Capillary-Wick for High Heat Flux Thermal Management System”, May. 2015