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Journal Articles

Condensation on Superhydrophobic Copper Oxide Nanostructures

Ryan Enright, Nenad Miljkovic, Nicholas Dou, Youngsuk Nam, Evelyn N. Wang

J. Heat Transfer. September 2013, 135(9): 091304.

Paper No: HT-12-1346

DOI: https://doi.org/10.1115/1.4024424

Published Online: July 26, 2013

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Topics: Condensation, Drops, Heat transfer, Nanostructures , Copper, Wetting, Water, Nucleation (Physics)

Proceedings Papers

Numerical Study of a Solar Thermophotovoltaic Energy Converter With High Performance 2D Photonic Crystals

Youngsuk Nam, Yi Xiang Yeng, Peter Bermel, Marin Soljačić, Evelyn N. Wang

Proc. ASME. HT2012, Volume 1: Heat Transfer in Energy Systems; Theory and Fundamental Research; Aerospace Heat Transfer; Gas Turbine Heat Transfer; Transport Phenomena in Materials Processing and Manufacturing; Heat and Mass Transfer in Biotechnology; Environmental Heat Transfer; Visualization of Heat Transfer; Education and Future Directions in Heat Transfer, 179-185, July 8–12, 2012

Paper No: HT2012-58222

DOI: https://doi.org/10.1115/HT2012-58222

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Topics: Crystals, Power converters, Solar energy, Design, Emissions, Photons, Cavities, Energy conversion, Energy dissipation, Energy gap

Proceedings Papers

Condensation on Superhydrophobic Copper Oxide Nanostructures

Ryan Enright, Nicholas Dou, Nenad Miljkovic, Youngsuk Nam, Evelyn N. Wang

Proc. ASME. MNHMT2012, ASME 2012 Third International Conference on Micro/Nanoscale Heat and Mass Transfer, 419-425, March 3–6, 2012

Paper No: MNHMT2012-75277

DOI: https://doi.org/10.1115/MNHMT2012-75277

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Topics: Condensation, Copper, Nanostructures , Drops, Heat transfer, Energy generation, Nucleation (Physics), Optical microscopy, Oxidation, Scanning electron microscopy

Proceedings Papers

Near-Wall Focusing of Phase Change Micro-Particles for Local Heat Transfer Enhancement

Andrej Lenert, Youngsuk Nam, Matthew W. Thoms, Bekir S. Yilbas, Evelyn N. Wang

Proc. ASME. IMECE2011, Volume 10: Heat and Mass Transport Processes, Parts A and B, 619-626, November 11–17, 2011

Paper No: IMECE2011-64517

DOI: https://doi.org/10.1115/IMECE2011-64517

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Topics: Heat transfer, Microparticles, Particulate matter, Heat flux, Melting, Computer simulation, Fluids, Geometry, Heat capacity, Laminar flow

Proceedings Papers

Heat Transfer Performance of Superhydrophilic Nanostructured Cu Micropost Wicks for Micro Heat Pipes

Youngsuk Nam, Stephen Sharratt, Y. Sungtaek Ju

Proc. ASME. IMECE2010, Volume 4: Electronics and Photonics, 55-60, November 12–18, 2010

Paper No: IMECE2010-40242

DOI: https://doi.org/10.1115/IMECE2010-40242

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Topics: Heat pipes, Heat transfer, Critical heat flux, Heat transfer coefficients, Thermal management, Copper, Density, Design, Electronics, Experimental methods

Proceedings Papers

Performance Modeling of Micropost Wicks for Micro Heat Pipes at Low Heat Fluxes

Stephen Sharratt, Youngsuk Nam, Y. Sungtaek Ju

Proc. ASME. IMECE2010, Volume 4: Electronics and Photonics, 61-67, November 12–18, 2010

Paper No: IMECE2010-40719

DOI: https://doi.org/10.1115/IMECE2010-40719

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Topics: Flux (Metallurgy), Heat, Heat pipes, Modeling, Heat transfer, Fluids, Equilibrium (Physics), Geometry, Heat transfer coefficients, Thin films

Journal Articles

Characterization and Modeling of the Heat Transfer Performance of Nanostructured Cu Micropost Wicks

Youngsuk Nam, Stephen Sharratt, Gilhwan Cha, Y. Sungtaek Ju

J. Heat Transfer. October 2011, 133(10): 101502.

DOI: https://doi.org/10.1115/1.4004168

Published Online: August 11, 2011

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Topics: Copper, Heat, Heat pipes, Heat transfer, Heat transfer coefficients, Modeling, Oxidation, Shapes, Temperature, Semiconductor devices

Proceedings Papers

Liquid Supply and Heat Transfer Performance of Sintered Cu Monolayer Wicks for Phase Change Heat Transfer Applications

Stephen Sharratt, Youngsuk Nam, Y. Sungtaek Ju

Proc. ASME. AJTEC2011, ASME/JSME 2011 8th Thermal Engineering Joint Conference, T10124, March 13–17, 2011

Paper No: AJTEC2011-44356

DOI: https://doi.org/10.1115/AJTEC2011-44356

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Topics: Heat transfer, Copper powders, Critical heat flux, Flux (Metallurgy), Heat, Heat pipes, Sintering, Thermal conductivity, Thermal resistance, Vapors

Proceedings Papers

The Effect of Surface Treatment on the Drag Characteristics in Laminar Flow

Chan Byon, Youngsuk Nam, Sung Jin Kim, Yongho Sungtaek Ju

Proc. ASME. MNHMT2009, ASME 2009 Second International Conference on Micro/Nanoscale Heat and Mass Transfer, Volume 3, 315-321, December 18–21, 2009

Paper No: MNHMT2009-18490

DOI: https://doi.org/10.1115/MNHMT2009-18490

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Topics: Drag (Fluid dynamics), Laminar flow, Surface finishing, Surface roughness

Journal Articles

Experimental and Numerical Study of Single Bubble Dynamics on a Hydrophobic Surface

Youngsuk Nam, Jinfeng Wu, Gopinath Warrier, Y. Sungtaek Ju

J. Heat Transfer. December 2009, 131(12): 121004.

DOI: https://doi.org/10.1115/1.3216038

Published Online: October 15, 2009

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Topics: Bubbles, Dynamics (Mechanics), Semiconductor wafers

Proceedings Papers

Comparative Study of Copper Oxidation Schemes and Their Effects on Surface Wettability

Youngsuk Nam, Y. Sungtaek Ju

Proc. ASME. IMECE2008, Volume 10: Heat Transfer, Fluid Flows, and Thermal Systems, Parts A, B, and C, 1833-1838, October 31–November 6, 2008

Paper No: IMECE2008-67492

DOI: https://doi.org/10.1115/IMECE2008-67492

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Topics: Copper, Oxidation, Nanostructures , Atomic force microscopy, Heat transfer, Heating, Scanning electron microscopy, Surface roughness, Temperature, X-ray diffraction

Proceedings Papers

Bubble Nucleation on Nanoscopically Smooth Hydrophobic Islands

Youngsuk Nam, Y. Sungtaek Ju

Proc. ASME. IMECE2008, Volume 13: Nano-Manufacturing Technology; and Micro and Nano Systems, Parts A and B, 567-571, October 31–November 6, 2008

Paper No: IMECE2008-67483

DOI: https://doi.org/10.1115/IMECE2008-67483

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Topics: Bubbles, Nucleation (Physics), Water, Photolithography, Pool boiling, Silicon

Proceedings Papers

Single Bubble Dynamics on a Hydrophobic Surface

Youngsuk Nam, Gopinath Warrier, Jinfeng Wu, Y. Sungtaek Ju

Proc. ASME. HT2007, ASME/JSME 2007 Thermal Engineering Heat Transfer Summer Conference, Volume 3, 687-690, July 8–12, 2007

Paper No: HT2007-32690

DOI: https://doi.org/10.1115/HT2007-32690

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Topics: Bubbles, Dynamics (Mechanics), Cavities, Nucleation (Physics), Silicon, Cycles, Microscopy, Subcooling, Surface roughness, Water

Proceedings Papers

Experimental and Numerical Study of Single Bubble Dynamics on a Hydrophobic Surface

Youngsuk Nam, Gopinath Warrier, Jinfeng Wu, Y. Sungtaek Ju

Proc. ASME. IMECE2007, Volume 8: Heat Transfer, Fluid Flows, and Thermal Systems, Parts A and B, 301-307, November 11–15, 2007

Paper No: IMECE2007-42461

DOI: https://doi.org/10.1115/IMECE2007-42461

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Topics: Bubbles, Dynamics (Mechanics), Cavities, Computer simulation, Nucleation (Physics), Boiling, Cycles, Energy harvesting, Heat transfer, Microactuators

Journal citation

NARROW

Condensation on Superhydrophobic Copper Oxide Nanostructures

Numerical Study of a Solar Thermophotovoltaic Energy Converter With High Performance 2D Photonic Crystals

Condensation on Superhydrophobic Copper Oxide Nanostructures

Near-Wall Focusing of Phase Change Micro-Particles for Local Heat Transfer Enhancement

Heat Transfer Performance of Superhydrophilic Nanostructured Cu Micropost Wicks for Micro Heat Pipes

Performance Modeling of Micropost Wicks for Micro Heat Pipes at Low Heat Fluxes

Characterization and Modeling of the Heat Transfer Performance of Nanostructured Cu Micropost Wicks

Liquid Supply and Heat Transfer Performance of Sintered Cu Monolayer Wicks for Phase Change Heat Transfer Applications

The Effect of Surface Treatment on the Drag Characteristics in Laminar Flow

Experimental and Numerical Study of Single Bubble Dynamics on a Hydrophobic Surface

Comparative Study of Copper Oxidation Schemes and Their Effects on Surface Wettability

Bubble Nucleation on Nanoscopically Smooth Hydrophobic Islands

Single Bubble Dynamics on a Hydrophobic Surface

Experimental and Numerical Study of Single Bubble Dynamics on a Hydrophobic Surface

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