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J. N. Chung
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Journal Articles

An Experimental Study on Cryogenic Spray Quenching of a Circular Metal Disk II—Chilldown Efficiency and Effects of Coating and Flow Pulsing

Jun Dong, Hao Wang, S. R. Darr, J. W. Hartwig, J. N. Chung
Journal: ASME Journal of Heat and Mass Transfer
Publisher: ASME
Article Type: Research-Article
J. Heat Mass Transfer. February 2022, 144(2): 023002.
Paper No: HT-21-1691
https://doi.org/10.1115/1.4053182
Published Online: December 21, 2021
View Article titled, An Experimental Study on Cryogenic Spray Quenching of a Circular Metal Disk II—Chilldown Efficiency and Effects of Coating and Flow Pulsing
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Topics: Coating processes, Coatings, Flow (Dynamics), Sprays, Disks, Quenching (Metalworking), Nozzles, Pressure
Journal Articles

An Experimental Study on Cryogenic Spray Quenching of a Circular Metal Disk, Part I: Effects of Mass Flux, Spray Fluid Inlet Subcooling, and Gravity

Jun Dong, Hao Wang, S. R. Darr, J. W. Hartwig, J. N. Chung
Journal: ASME Journal of Heat and Mass Transfer
Publisher: ASME
Article Type: Research-Article
J. Heat Mass Transfer. February 2022, 144(2): 023001.
Paper No: HT-21-1690
https://doi.org/10.1115/1.4053125
Published Online: December 20, 2021
View Article titled, An Experimental Study on Cryogenic Spray Quenching of a Circular Metal Disk, Part I: Effects of Mass Flux, Spray Fluid Inlet Subcooling, and Gravity
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Topics: Film boiling, Gravity (Force), Heat transfer, Quenching (Metalworking), Sprays, Temperature, Disks, Boiling, Fluids, Heat flux
Includes: Supplementary data
Proceedings Papers

Coalescence of Dual Bubbles on Micro Heaters

Tailian Chen, J. N. Chung
Proc. ASME. IMECE2000, Heat Transfer: Volume 4, 43-53, November 5–10, 2000
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2000-1505
https://doi.org/10.1115/IMECE2000-1505
View Paper titled, Coalescence of Dual Bubbles on Micro Heaters
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Topics: Bubbles
Journal Articles

Rewet Temperature Correlations for Liquid Nitrogen Boiling Pipe Flows Across Varying Flow Conditions and Orientations

S. R. Darr, J. Dong, N. Glikin, J. W. Hartwig, J. N. Chung
Journal: Journal of Thermal Science and Engineering Applications
Publisher: ASME
Article Type: Research-Article
J. Thermal Sci. Eng. Appl. October 2019, 11(5): 051008.
Paper No: TSEA-18-1527
https://doi.org/10.1115/1.4042857
Published Online: March 22, 2019
View Article titled, Rewet Temperature Correlations for Liquid Nitrogen Boiling Pipe Flows Across Varying Flow Conditions and Orientations
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Topics: Boiling, Bubbles, Flow (Dynamics), Nitrogen, Quenching (Metalworking), Temperature, Vapors, Film boiling, Fluids
Journal Articles

Two-Phase Pipe Quenching Correlations for Liquid Nitrogen and Liquid Hydrogen

S. R. Darr, J. W. Hartwig, J. Dong, H. Wang, A. K. Majumdar, A. C. LeClair, J. N. Chung
Journal: ASME Journal of Heat and Mass Transfer
Publisher: ASME
Article Type: Research-Article
J. Heat Mass Transfer. April 2019, 141(4): 042901.
Paper No: HT-18-1062
https://doi.org/10.1115/1.4041830
Published Online: February 27, 2019
View Article titled, Two-Phase Pipe Quenching Correlations for Liquid Nitrogen and Liquid Hydrogen
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Topics: Boiling, Flow (Dynamics), Fluids, Hydrogen, Nitrogen, Pressure, Quenching (Metalworking), Temperature, Critical heat flux, Pipes
Journal Articles

Numerical Simulation of Forced Convective Boiling in a Microchannel

Yun Whan Na, J. N. Chung
Journal: Journal of Thermal Science and Engineering Applications
Publisher: ASME
Article Type: Research-Article
J. Thermal Sci. Eng. Appl. August 2018, 10(4): 041006.
Paper No: TSEA-17-1152
https://doi.org/10.1115/1.4038989
Published Online: April 10, 2018
View Article titled, Numerical Simulation of Forced Convective Boiling in a Microchannel
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Topics: Boiling, Bubbles, Flow (Dynamics), Microchannels, Vapors, Two-phase flow, Heat transfer, Nucleate boiling
Journal Articles

Fundamental Roles of Nonevaporating Film and Ultrahigh Heat Flux Associated With Nanoscale Meniscus Evaporation in Nucleate Boiling

Shalabh C. Maroo, J. N. Chung
Journal: ASME Journal of Heat and Mass Transfer
Publisher: ASME
Article Type: Research-Article
J. Heat Mass Transfer. June 2013, 135(6): 061501.
Paper No: HT-12-1550
https://doi.org/10.1115/1.4023575
Published Online: May 16, 2013
View Article titled, Fundamental Roles of Nonevaporating Film and Ultrahigh Heat Flux Associated With Nanoscale Meniscus Evaporation in Nucleate Boiling
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Topics: Evaporation, Heat flux, Molecular dynamics simulation, Nanoscale phenomena, Nucleate boiling, Pressure, Vapors, Atoms, Fluids, Heat transfer
Journal Articles

A Possible Role of Nanostructured Ridges on Boiling Heat Transfer Enhancement

Shalabh C. Maroo, J. N. Chung
Journal: ASME Journal of Heat and Mass Transfer
Publisher: ASME
Article Type: Research-Article
J. Heat Mass Transfer. April 2013, 135(4): 041501.
Paper No: HT-12-1249
https://doi.org/10.1115/1.4023229
Published Online: March 20, 2013
View Article titled, A Possible Role of Nanostructured Ridges on Boiling Heat Transfer Enhancement
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Topics: Atoms, Boiling, Evaporation, Heat flux, Heat transfer, Nanoscale phenomena, Nanostructures , Bubbles, Molecular dynamics, Temperature
Proceedings Papers

Effect of Nano-Structured Surface on Meniscus Evaporation at Nanoscale

Shalabh C. Maroo, J. N. Chung
Proc. ASME. IHTC14, 2010 14th International Heat Transfer Conference, Volume 3, 877-883, August 8–13, 2010
Publisher: American Society of Mechanical Engineers
Paper No: IHTC14-23306
https://doi.org/10.1115/IHTC14-23306
View Paper titled, Effect of Nano-Structured Surface on Meniscus Evaporation at Nanoscale
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Topics: Evaporation, Nanoscale phenomena, Nanostructures , Heat transfer, Bubbles, Chaos, Heat transfer coefficients, Molecular dynamics, Nucleation (Physics), Simulation
Proceedings Papers

A Direct Numerical Simulation of the Unsteady Development of a Deformable Rising Bubble in a Quiescent Liquid

Alpana Agarwal, C. F. Tai, J. N. Chung
Proc. ASME. FEDSM2008, Volume 2: Fora, 597-604, August 10–14, 2008
Publisher: American Society of Mechanical Engineers
Paper No: FEDSM2008-55160
https://doi.org/10.1115/FEDSM2008-55160
View Paper titled, A Direct Numerical Simulation of the Unsteady Development of a Deformable Rising Bubble in a Quiescent Liquid
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Topics: Bubbles, Computer simulation, Shapes, Density, Reynolds number, Simulation, Viscosity, Algorithms, Buoyancy, Curve fitting
Proceedings Papers

A Study of Transport Geometry on Heat/Mass Transfer and Polarization of a Solid Oxide Fuel Cell

Yan Ji, J. N. Chung, Kun Yuan
Proc. ASME. FUELCELL2006, ASME 2006 Fourth International Conference on Fuel Cell Science, Engineering and Technology, Parts A and B, 767-775, June 19–21, 2006
Publisher: American Society of Mechanical Engineers
Paper No: FUELCELL2006-97256
https://doi.org/10.1115/FUELCELL2006-97256
View Paper titled, A Study of Transport Geometry on Heat/Mass Transfer and Polarization of a Solid Oxide Fuel Cell
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Topics: Geometry, Heat, Mass transfer, Polarization (Electricity), Polarization (Light), Polarization (Waves), Solid oxide fuel cells
Proceedings Papers

Adiabatic Gas-Liquid Two-Phase Flow Patterns in Microchannels

Renqiang Xiong, J. N. Chung
Proc. ASME. FEDSM2006, Volume 2: Fora, 575-582, July 17–20, 2006
Publisher: American Society of Mechanical Engineers
Paper No: FEDSM2006-98476
https://doi.org/10.1115/FEDSM2006-98476
View Paper titled, Adiabatic Gas-Liquid Two-Phase Flow Patterns in Microchannels
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Topics: Flow (Dynamics), Microchannels, Two-phase flow
Proceedings Papers

A Thermo-Fluid/Electrochemical Model for Micro-SOFC

Yan Ji, J. N. Chung, Kun Yuan
Proc. ASME. IMECE2005, Advanced Energy Systems, 341-348, November 5–11, 2005
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2005-80608
https://doi.org/10.1115/IMECE2005-80608
View Paper titled, A Thermo-Fluid/Electrochemical Model for Micro-SOFC
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Topics: Solid oxide fuel cells, Thermofluids
Proceedings Papers

Cryogenic Two-Phase Flow and Heat Transfer Under Terrestrial and Microgravity

Kun Yuan, J. N. Chung, Yan Ji
Proc. ASME. IMECE2005, Heat Transfer, Part B, 265-270, November 5–11, 2005
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2005-80613
https://doi.org/10.1115/IMECE2005-80613
View Paper titled, Cryogenic Two-Phase Flow and Heat Transfer Under Terrestrial and Microgravity
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Topics: Heat transfer, Two-phase flow, Flow (Dynamics), Gravity (Force), Temperature, Wall temperature, Bellows (Equipment), Engines, Film boiling, Flux (Metallurgy)
Proceedings Papers

Numerical Modeling of Pressure Drop and Pump Design for High Power Density Microchannel Heat Sinks With Boiling

Yun Whan Na, J. N. Chung, Fred Forster
Proc. ASME. IMECE2005, Fluids Engineering, 349-357, November 5–11, 2005
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2005-82340
https://doi.org/10.1115/IMECE2005-82340
View Paper titled, Numerical Modeling of Pressure Drop and Pump Design for High Power Density Microchannel Heat Sinks With Boiling
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Topics: Boiling, Computer simulation, Design, Heat sinks, Microchannels, Power density, Pressure drop, Pumps, Two-phase flow
Proceedings Papers

Size Effect on Adiabatic Gas-Liquid Two-Phase Flow Map and Void Fraction in Micro-Channels

Renqiang Xiong, J. N. Chung
Proc. ASME. IMECE2006, Fluids Engineering, 21-28, November 5–10, 2006
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2006-13263
https://doi.org/10.1115/IMECE2006-13263
View Paper titled, Size Effect on Adiabatic Gas-Liquid Two-Phase Flow Map and Void Fraction in Micro-Channels
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Topics: Microchannels, Porosity, Size effect, Two-phase flow, Flow (Dynamics), Slug flows, Microchannel flow, Microscale devices, Nitrogen, Surface tension
Proceedings Papers

Flow Characteristics of Pressure-Driven Water in Serpentine Micro-Channels

Renqiang Xiong, J. N. Chung
Proc. ASME. IMECE2006, Fluids Engineering, 37-43, November 5–10, 2006
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2006-13302
https://doi.org/10.1115/IMECE2006-13302
View Paper titled, Flow Characteristics of Pressure-Driven Water in Serpentine Micro-Channels
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Topics: Flow (Dynamics), Microchannels, Pressure, Water, Vortices, Pressure drop, Microparticles, Shapes, Size effect
Journal Articles

Competing Effects of Dielectrophoresis and Buoyancy on Nucleate Boiling and an Analogy With Variable Gravity Boiling Results

T. J. Snyder, J. N. Chung, J. B. Schneider
Journal: ASME Journal of Heat and Mass Transfer
Publisher: ASME
Article Type: Research Papers
J. Heat Mass Transfer. May 1998, 120(2): 371–379.
https://doi.org/10.1115/1.2824259
Published Online: May 1, 1998
View Article titled, Competing Effects of Dielectrophoresis and Buoyancy on Nucleate Boiling and an Analogy With Variable Gravity Boiling Results
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Topics: Boiling, Buoyancy, Dielectrophoresis, Gravity (Force), Nucleate boiling
Journal Articles

Stability of Mixed Convection in a Differentially Heated Vertical Channel

Y.-C. Chen, J. N. Chung
Journal: ASME Journal of Heat and Mass Transfer
Publisher: ASME
Article Type: Research Papers
J. Heat Mass Transfer. February 1998, 120(1): 127–132.
https://doi.org/10.1115/1.2830035
Published Online: February 1, 1998
View Article titled, Stability of Mixed Convection in a Differentially Heated Vertical Channel
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Topics: Channel flow, Mixed convection, Stability
Journal Articles

Design and Testing of an Airbag System for High-Mass, High-Velocity Deceleration

T. Snyder, J. Sitter, J. N. Chung
Journal: Journal of Dynamic Systems, Measurement, and Control
Publisher: ASME
Article Type: Technical Papers
J. Dyn. Sys., Meas., Control. December 1997, 119(4): 631–637.
https://doi.org/10.1115/1.2802371
Published Online: December 1, 1997
View Article titled, Design and Testing of an Airbag System for High-Mass, High-Velocity Deceleration
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Topics: Airbags, Design, Testing, Flow (Dynamics), Performance evaluation