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Proceedings Papers

Impact of Phonon Dispersion Upon the Size Effect on Thermal Conduction Along Thin Semiconductor Films

Y. Sungtaek Ju, Kenneth E. Goodson
Proc. ASME. IMECE97, Microelectromechanical Systems (MEMS), 181-190, November 16–21, 1997
Publisher: American Society of Mechanical Engineers
Paper No: IMECE1997-0956
https://doi.org/10.1115/IMECE1997-0956
View Paper titled, Impact of Phonon Dispersion Upon the Size Effect on Thermal Conduction Along Thin Semiconductor Films
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Topics: Heat conduction, Phonons, Semiconductor films, Size effect, Thermal conductivity, Semiconductors (Materials), Silicon, Electromagnetic scattering, Radiation scattering, Scattering (Physics)
Proceedings Papers

Sub-Continuum Simulations of Heat Conduction in Silicon-on-Insulator Transistors

Per G. Sverdrup, Y. Sungtaek Ju, Kenneth E. Goodson
Proc. ASME. IMECE99, Heat Transfer: Volume 3, 41-49, November 14–19, 1999
Publisher: American Society of Mechanical Engineers
Paper No: IMECE1999-1061
https://doi.org/10.1115/IMECE1999-1061
View Paper titled, Sub-Continuum Simulations of Heat Conduction in Silicon-on-Insulator Transistors
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Topics: Engineering simulation, Heat conduction, Silicon-on-insulator, Simulation, Transistors, Phonons, Silicon, Temperature, Thermal diffusion, Mean free path
Proceedings Papers

Analysis and Characterization of Thermoelectric Microrefrigerators

Y. Sungtaek Ju
Proc. ASME. IMECE2000, Heat Transfer: Volume 2, 315-317, November 5–10, 2000
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2000-1441
https://doi.org/10.1115/IMECE2000-1441
View Paper titled, Analysis and Characterization of Thermoelectric Microrefrigerators
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Topics: Contact resistance, Cooling, Electromagnetic scattering, Heat flux, Phonons, Quantum wells, Radiation scattering, Reflection, Scattering (Physics), Superlattices
Proceedings Papers

Theoretical Analysis of Pyroelectric Harvesting of Low-Grade Exhaust Waste Heat

Y. Sungtaek Ju
Proc. ASME. IMECE2015, Volume 8B: Heat Transfer and Thermal Engineering, V08BT10A058, November 13–19, 2015
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2015-53042
https://doi.org/10.1115/IMECE2015-53042
View Paper titled, Theoretical Analysis of Pyroelectric Harvesting of Low-Grade Exhaust Waste Heat
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Topics: Exhaust systems, Theoretical analysis, Waste heat, Combined heat and power, Design, Coolants, Convection, Cycles, Ducts, Energy efficiency
Proceedings Papers

Study of the Fluid Dynamics of Thin Liquid Films Flowing Down a Vertical String With Counterflow of Gas

Zezhi Zeng, Gopinath Warrier, Y. Sungtaek Ju
Proc. ASME. IMECE2015, Volume 8B: Heat Transfer and Thermal Engineering, V08BT10A054, November 13–19, 2015
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2015-53132
https://doi.org/10.1115/IMECE2015-53132
View Paper titled, Study of the Fluid Dynamics of Thin Liquid Films Flowing Down a Vertical String With Counterflow of Gas
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Topics: Fluid dynamics, Lubrication theory, String, Coolants, Heat transfer, Liquid films, Computer simulation, Design, Flow (Dynamics), Fluids
Proceedings Papers

Flow and Heat Transfer in Liquid Films Flowing Over Highly Curved Surfaces

Zezhi Zeng, Gopinath Warrier, Y. Sungtaek Ju
Proc. ASME. InterPACK2015, Volume 2: Advanced Electronics and Photonics, Packaging Materials and Processing; Advanced Electronics and Photonics: Packaging, Interconnect and Reliability; Fundamentals of Thermal and Fluid Transport in Nano, Micro, and Mini Scales, V002T06A012, July 6–9, 2015
Publisher: American Society of Mechanical Engineers
Paper No: IPACK2015-48149
https://doi.org/10.1115/IPACK2015-48149
View Paper titled, Flow and Heat Transfer in Liquid Films Flowing Over Highly Curved Surfaces
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Topics: Flow (Dynamics), Heat transfer, Liquid films, Heat exchangers, Cooling, Design, String, Shapes, Computer simulation, Evaporative cooling
Proceedings Papers

Development of High Temperature Liquid Metal Heat Transfer Fluids for CSP Applications

Gopinath R. Warrier, Y. Sungtaek Ju, Jan Schroers, Mark Asta, Peter Hosemann
Proc. ASME. ES2014, Volume 1: Combined Energy Cycles, CHP, CCHP, and Smart Grids; Concentrating Solar Power, Solar Thermochemistry and Thermal Energy Storage; Geothermal, Ocean, and Emerging Energy Technologies; Hydrogen Energy Technologies; Low/Zero Emission Power Plants and Carbon Sequestration; Photovoltaics; Wind Energy Systems and Technologies, V001T02A046, June 30–July 2, 2014
Publisher: American Society of Mechanical Engineers
Paper No: ES2014-6611
https://doi.org/10.1115/ES2014-6611
View Paper titled, Development of High Temperature Liquid Metal Heat Transfer Fluids for CSP Applications
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Topics: Fluids, Heat transfer, High temperature, Liquid metals, Modeling, Corrosion, Metals, Alloys, Melting, Oxygen
Proceedings Papers

Deployable MEMS Devices for Minimally Invasive Monitoring of Cortical Activities

Jinda Zhuang, Y. Sungtaek Ju
Proc. ASME. IMECE2013, Volume 10: Micro- and Nano-Systems Engineering and Packaging, V010T11A007, November 15–21, 2013
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2013-66662
https://doi.org/10.1115/IMECE2013-66662
View Paper titled, Deployable MEMS Devices for Minimally Invasive Monitoring of Cortical Activities
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Topics: Brain, Electrodes, Electroencephalography, Microelectromechanical systems, Near-infrared spectroscopy, Resolution (Optics)
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
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2010-40242
https://doi.org/10.1115/IMECE2010-40242
View Paper titled, Heat Transfer Performance of Superhydrophilic Nanostructured Cu Micropost Wicks for Micro Heat Pipes
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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
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2010-40719
https://doi.org/10.1115/IMECE2010-40719
View Paper titled, Performance Modeling of Micropost Wicks for Micro Heat Pipes at Low Heat Fluxes
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Topics: Flux (Metallurgy), Heat, Heat pipes, Modeling, Heat transfer, Fluids, Equilibrium (Physics), Geometry, Heat transfer coefficients, Thin films
Journal Articles

An Investigation of a Tunable Magnetomechanical Thermal Switch

Katherine E. Bulgrin, Y. Sungtaek Ju, Greg P. Carman, Adrienne S. Lavine
Journal: ASME Journal of Heat and Mass Transfer
Publisher: ASME
Article Type: Research Papers
J. Heat Mass Transfer. October 2011, 133(10): 101401.
https://doi.org/10.1115/1.4004166
Published Online: August 11, 2011
View Article titled, An Investigation of a Tunable Magnetomechanical Thermal Switch
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Topics: Elastic constants, Switches, Temperature, Gadolinium, Electrical conductance, Actuators
Journal Articles

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

Youngsuk Nam, Stephen Sharratt, Gilhwan Cha, Y. Sungtaek Ju
Journal: ASME Journal of Heat and Mass Transfer
Publisher: ASME
Article Type: Research Papers
J. Heat Mass Transfer. October 2011, 133(10): 101502.
https://doi.org/10.1115/1.4004168
Published Online: August 11, 2011
View Article titled, Characterization and Modeling of the Heat Transfer Performance of Nanostructured Cu Micropost Wicks
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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
Publisher: American Society of Mechanical Engineers
Paper No: AJTEC2011-44356
https://doi.org/10.1115/AJTEC2011-44356
View Paper titled, Liquid Supply and Heat Transfer Performance of Sintered Cu Monolayer Wicks for Phase Change Heat Transfer Applications
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Topics: Heat transfer, Copper powders, Critical heat flux, Flux (Metallurgy), Heat, Heat pipes, Sintering, Thermal conductivity, Thermal resistance, Vapors
Journal Articles

Solid-State Refrigeration Based on the Electrocaloric Effect for Electronics Cooling

Y. Sungtaek Ju
Journal: Journal of Electronic Packaging
Publisher: ASME
Article Type: Research Papers
J. Electron. Packag. December 2010, 132(4): 041004.
https://doi.org/10.1115/1.4002896
Published Online: November 23, 2010
View Article titled, Solid-State Refrigeration Based on the Electrocaloric Effect for Electronics Cooling
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Topics: Cooling, Electrodes, Temperature, Thermal conductivity, Manufacturing
Proceedings Papers

A Coupled Thermal and Mechanical Model of a Thermal Energy Harvesting Device

Katherine E. Bulgrin, Y. Sungtaek Ju, Greg P. Carman, Adrienne S. Lavine
Proc. ASME. IMECE2009, Volume 6: Emerging Technologies: Alternative Energy Systems; Energy Systems: Analysis, Thermodynamics and Sustainability, 327-335, November 13–19, 2009
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2009-13040
https://doi.org/10.1115/IMECE2009-13040
View Paper titled, A Coupled Thermal and Mechanical Model of a Thermal Energy Harvesting Device
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Topics: Thermal energy, Temperature, Actuators, Energy conversion, Thermomechanics
Proceedings Papers

Liquid-Mediated Reversible Thermal Interface for Satellite Thermal Management

Gilhwan Cha, Y. Sungtaek Ju
Proc. ASME. IMECE2009, Volume 12: Micro and Nano Systems, Parts A and B, 927-929, November 13–19, 2009
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2009-12429
https://doi.org/10.1115/IMECE2009-12429
View Paper titled, Liquid-Mediated Reversible Thermal Interface for Satellite Thermal Management
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Topics: Satellites, Thermal management, Atomic clocks, Bolometers, Thermal conductivity, Thermal energy, Thermoelectric cooling
Proceedings Papers

A Tunable Magnetomechanical Thermal Switch for Thermal Management Purposes

Katherine E. Bulgrin, Y. Sungtaek Ju, Greg P. Carman, Adrienne S. Lavine
Proc. ASME. HT2009, Volume 1: Heat Transfer in Energy Systems; Thermophysical Properties; Heat Transfer Equipment; Heat Transfer in Electronic Equipment, 997-1003, July 19–23, 2009
Publisher: American Society of Mechanical Engineers
Paper No: HT2009-88571
https://doi.org/10.1115/HT2009-88571
View Paper titled, A Tunable Magnetomechanical Thermal Switch for Thermal Management Purposes
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Topics: Switches, Thermal management, Electrical conductance, Heat, Temperature, Computer simulation, Design, Ferromagnetic materials, Heat flux, Temperature effects
Journal Articles

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

Youngsuk Nam, Jinfeng Wu, Gopinath Warrier, Y. Sungtaek Ju
Journal: ASME Journal of Heat and Mass Transfer
Publisher: ASME
Article Type: Research Papers
J. Heat Mass Transfer. December 2009, 131(12): 121004.
https://doi.org/10.1115/1.3216038
Published Online: October 15, 2009
View Article titled, Experimental and Numerical Study of Single Bubble Dynamics on a Hydrophobic Surface
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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
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2008-67492
https://doi.org/10.1115/IMECE2008-67492
View Paper titled, Comparative Study of Copper Oxidation Schemes and Their Effects on Surface Wettability
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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
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2008-67483
https://doi.org/10.1115/IMECE2008-67483
View Paper titled, Bubble Nucleation on Nanoscopically Smooth Hydrophobic Islands
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Topics: Bubbles, Nucleation (Physics), Water, Photolithography, Pool boiling, Silicon