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Proceedings Papers

Operational Map and Thermal Performance of a Thermosyphon Cooling System for Compact Servers

Raffaele L. Amalfi, Cong H. Hoang, Ryan Enright, Filippo Cataldo, Jackson B. Marcinichen, John R. Thome
Proc. ASME. InterPACK2021, ASME 2021 International Technical Conference and Exhibition on Packaging and Integration of Electronic and Photonic Microsystems, V001T02A005, October 26–28, 2021
Publisher: American Society of Mechanical Engineers
Paper No: IPACK2021-72612
https://doi.org/10.1115/IPACK2021-72612
View Paper titled, Operational Map and Thermal Performance of a Thermosyphon Cooling System for Compact Servers
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Topics: Cooling systems, Cooling, Heat, Heat flux, Computer cooling, Containment systems, Coolants, Copper, Density, Design
Proceedings Papers

Thermo-Optic Tuning Efficiency of Micro Ring Resonators on Low Thermal Resistance Silicon Photonics Substrates

Shenghui Lei, Alexandre Shen, Ryan Enright
Proc. ASME. InterPACK2017, ASME 2017 International Technical Conference and Exhibition on Packaging and Integration of Electronic and Photonic Microsystems, V001T02A009, August 29–September 1, 2017
Publisher: American Society of Mechanical Engineers
Paper No: IPACK2017-74181
https://doi.org/10.1115/IPACK2017-74181
View Paper titled, Thermo-Optic Tuning Efficiency of Micro Ring Resonators on Low Thermal Resistance Silicon Photonics Substrates
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Topics: Photonics, Silicon, Thermal resistance, Etching, Silicon-on-insulator, Cladding systems (Building), Thermal conductivity, Aluminum, Crystals, Diffusion (Physics)
Proceedings Papers

Thermo-Mechanical Study of AlN Thin-Films As Heat Spreaders in III-V Photonic Devices

Shenghui Lei, Ertugrul Kardemir, David McCloskey, John F. Donegan, Ryan Enright
Proc. ASME. InterPACK2017, ASME 2017 International Technical Conference and Exhibition on Packaging and Integration of Electronic and Photonic Microsystems, V001T02A010, August 29–September 1, 2017
Publisher: American Society of Mechanical Engineers
Paper No: IPACK2017-74184
https://doi.org/10.1115/IPACK2017-74184
View Paper titled, Thermo-Mechanical Study of AlN Thin-Films As Heat Spreaders in III-V Photonic Devices
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Topics: Flat heat pipes, Photonic equipment, Thermomechanics, Thin films, Stress, Waveguides, Cladding systems (Building), Design, Failure, Polymers
Proceedings Papers

2D Lattice Boltzmann Simulation of Droplet Jumping in a Viscous Fluid

Shenghui Lei, Ningning Wang, Haihu Liu, Kevin Nolan, Ryan Enright
Proc. ASME. ICNMM2015, ASME 2015 13th International Conference on Nanochannels, Microchannels, and Minichannels, V001T04A035, July 6–9, 2015
Publisher: American Society of Mechanical Engineers
Paper No: ICNMM2015-48107
https://doi.org/10.1115/ICNMM2015-48107
View Paper titled, 2D Lattice Boltzmann Simulation of Droplet Jumping in a Viscous Fluid
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Topics: Drops, Fluids, Lattice Boltzmann methods, Simulation, Dynamics (Mechanics), Viscosity, Drag (Fluid dynamics), Incompressible fluids, Microfluidics, Shapes
Journal Articles

Analysis of Galinstan-Based Microgap Cooling Enhancement Using Structured Surfaces

Lisa Steigerwalt Lam, Marc Hodes, Ryan Enright
Journal: ASME Journal of Heat and Mass Transfer
Publisher: ASME
Article Type: Research-Article
J. Heat Mass Transfer. September 2015, 137(9): 091003.
Paper No: HT-14-1013
https://doi.org/10.1115/1.4030208
Published Online: September 1, 2015
View Article titled, Analysis of Galinstan-Based Microgap Cooling Enhancement Using Structured Surfaces
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Topics: Cooling, Flow (Dynamics), Geometry, Heat transfer, Thermal resistance, Water, Pressure, Friction
Journal Articles

Effect of Evaporation and Condensation at Menisci on Apparent Thermal Slip

Marc Hodes, Lisa Steigerwalt Lam, Adam Cowley, Ryan Enright, Scott MacLachlan
Journal: ASME Journal of Heat and Mass Transfer
Publisher: ASME
Article Type: Research-Article
J. Heat Mass Transfer. July 2015, 137(7): 071502.
Paper No: HT-14-1498
https://doi.org/10.1115/1.4029818
Published Online: July 1, 2015
View Article titled, Effect of Evaporation and Condensation at Menisci on Apparent Thermal Slip
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Topics: Boundary-value problems, Condensation, Evaporation, Heat, Heat transfer coefficients, Temperature, Flow (Dynamics), Vapors
Journal Articles

Jumping Droplet Electrostatic Charging and Effect on Vapor Drag

Daniel J. Preston, Nenad Miljkovic, Evelyn N. Wang, Ryan Enright
Journal: ASME Journal of Heat and Mass Transfer
Publisher: ASME
Article Type: Photo Gallery
J. Heat Mass Transfer. August 2014, 136(8): 080909.
Paper No: HT-14-1207
https://doi.org/10.1115/1.4027527
Published Online: August 1, 2014
View Article titled, Jumping Droplet Electrostatic Charging and Effect on Vapor Drag
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Topics: Drag (Fluid dynamics), Drops, Heat, Mass transfer, Vapors
Journal Articles

Ostwald Ripening During Freezing on Scalable Superhydrophobic Surfaces

Nenad Miljkovic, Daniel J. Preston, Evelyn N. Wang, Ryan Enright
Journal: ASME Journal of Heat and Mass Transfer
Publisher: ASME
Article Type: Photo Gallery
J. Heat Mass Transfer. August 2014, 136(8): 080901.
Paper No: HT-14-1199
https://doi.org/10.1115/1.4027516
Published Online: August 1, 2014
View Article titled, Ostwald Ripening During Freezing on Scalable Superhydrophobic Surfaces
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Topics: Freezing, Heat, Mass transfer
Journal Articles

Nusselt Numbers for Thermally Developing Couette Flow With Hydrodynamic and Thermal Slip

Lisa Steigerwalt Lam, Corey Melnick, Marc Hodes, Gennady Ziskind, Ryan Enright
Journal: ASME Journal of Heat and Mass Transfer
Publisher: ASME
Article Type: Research-Article
J. Heat Mass Transfer. May 2014, 136(5): 051703.
Paper No: HT-13-1006
https://doi.org/10.1115/1.4026305
Published Online: February 26, 2014
View Article titled, Nusselt Numbers for Thermally Developing Couette Flow With Hydrodynamic and Thermal Slip
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Topics: Boundary-value problems, Flow (Dynamics), Temperature, Temperature profiles, Heat transfer
Proceedings Papers

Rarefied Conditions in the Convective-Diffusive Regimes of a Disc in Natural Convection

Jason Stafford, Ryan Enright, Roger Kempers
Proc. ASME. MNHMT2013, ASME 2013 4th International Conference on Micro/Nanoscale Heat and Mass Transfer, V001T11A005, December 11–14, 2013
Publisher: American Society of Mechanical Engineers
Paper No: MNHMT2013-22116
https://doi.org/10.1115/MNHMT2013-22116
View Paper titled, Rarefied Conditions in the Convective-Diffusive Regimes of a Disc in Natural Convection
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Topics: Disks, Natural convection, Rayleigh number, Aerospace industry, Boundary layers, Buoyancy, Computer simulation, Flow (Dynamics), Heat, Heat transfer
Proceedings Papers

Analysis of Galinstan-Based Microgap Cooling Enhancement Using Structured Surfaces

Lisa Steigerwalt Lam, Marc Hodes, Ryan Enright
Proc. ASME. HT2013, Volume 3: Gas Turbine Heat Transfer; Transport Phenomena in Materials Processing and Manufacturing; Heat Transfer in Electronic Equipment; Symposium in Honor of Professor Richard Goldstein; Symposium in Honor of Prof. Spalding; Symposium in Honor of Prof. Arthur E. Bergles, V003T23A006, July 14–19, 2013
Publisher: American Society of Mechanical Engineers
Paper No: HT2013-17817
https://doi.org/10.1115/HT2013-17817
View Paper titled, Analysis of Galinstan-Based Microgap Cooling Enhancement Using Structured Surfaces
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Topics: Cooling, Water, Flow (Dynamics), Microchannels, Thermal management, Viscosity, Friction, Laminar flow, Liquid metals, Pressure
Journal Articles

Isoflux Nusselt Number and Slip Length Formulae for Superhydrophobic Microchannels

Ryan Enright, Marc Hodes, Todd Salamon, Yuri Muzychka
Journal: ASME Journal of Heat and Mass Transfer
Publisher: ASME
Article Type: Research-Article
J. Heat Mass Transfer. January 2014, 136(1): 012402.
Paper No: HT-12-1493
https://doi.org/10.1115/1.4024837
Published Online: October 17, 2013
View Article titled, Isoflux Nusselt Number and Slip Length Formulae for Superhydrophobic Microchannels
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Topics: Boundary-value problems, Columns (Structural), Composite materials, Creeping flow, Flow (Dynamics), Heat transfer, Laplace equations, Microchannels, Temperature, Heat flux
Journal Articles

Modeling and Optimization of Superhydrophobic Condensation

Nenad Miljkovic, Ryan Enright, Evelyn N. Wang
Journal: ASME Journal of Heat and Mass Transfer
Publisher: ASME
Article Type: Research-Article
J. Heat Mass Transfer. November 2013, 135(11): 111004.
Paper No: HT-12-1145
https://doi.org/10.1115/1.4024597
Published Online: September 23, 2013
View Article titled, Modeling and Optimization of Superhydrophobic Condensation
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Topics: Drops, Condensation
Journal Articles

Condensation on Superhydrophobic Copper Oxide Nanostructures

Ryan Enright, Nenad Miljkovic, Nicholas Dou, Youngsuk Nam, Evelyn N. Wang
Journal: ASME Journal of Heat and Mass Transfer
Publisher: ASME
Article Type: Research-Article
J. Heat Mass Transfer. September 2013, 135(9): 091304.
Paper No: HT-12-1346
https://doi.org/10.1115/1.4024424
Published Online: July 26, 2013
View Article titled, Condensation on Superhydrophobic Copper Oxide Nanostructures
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Topics: Condensation, Drops, Heat transfer, Nanostructures , Copper, Wetting, Water, Nucleation (Physics)
Proceedings Papers

Evaporation-Induced Cassie Droplets on Superhydrophilic Microstructured Surfaces

Solomon Adera, Rishi Raj, Ryan Enright, Evelyn N. Wang
Proc. ASME. ICNMM2012, ASME 2012 10th International Conference on Nanochannels, Microchannels, and Minichannels, 835-843, July 8–12, 2012
Publisher: American Society of Mechanical Engineers
Paper No: ICNMM2012-73224
https://doi.org/10.1115/ICNMM2012-73224
View Paper titled, Evaporation-Induced Cassie Droplets on Superhydrophilic Microstructured Surfaces
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Topics: Drops, Evaporation, Wetting, Heat transfer, Superheating, Columns (Structural), Fluids, Photolithography, Reactive-ion etching, Silicon
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
Publisher: American Society of Mechanical Engineers
Paper No: MNHMT2012-75277
https://doi.org/10.1115/MNHMT2012-75277
View Paper titled, Condensation on Superhydrophobic Copper Oxide Nanostructures
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Topics: Condensation, Copper, Nanostructures , Drops, Heat transfer, Energy generation, Nucleation (Physics), Optical microscopy, Oxidation, Scanning electron microscopy
Proceedings Papers

Growth Dynamics During Dropwise Condensation on Nanostructured Superhydrophobic Surfaces

Nenad Miljkovic, Ryan Enright, Evelyn N. Wang
Proc. ASME. MNHMT2012, ASME 2012 Third International Conference on Micro/Nanoscale Heat and Mass Transfer, 427-436, March 3–6, 2012
Publisher: American Society of Mechanical Engineers
Paper No: MNHMT2012-75278
https://doi.org/10.1115/MNHMT2012-75278
View Paper titled, Growth Dynamics During Dropwise Condensation on Nanostructured Superhydrophobic Surfaces
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Topics: Condensation, Dynamics (Mechanics), Drops, Heat transfer, Wetting, Water, Design, Energy conversion, Modeling, Scanning electron microscopy
Proceedings Papers

Microstructured Surfaces for Enhanced Pool Boiling Heat Transfer

Kuang-Han Chu, Ryan Enright, Evelyn N. Wang
Proc. ASME. IMECE2011, Volume 10: Heat and Mass Transport Processes, Parts A and B, 679-685, November 11–17, 2011
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2011-65169
https://doi.org/10.1115/IMECE2011-65169
View Paper titled, Microstructured Surfaces for Enhanced Pool Boiling Heat Transfer
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Topics: Heat transfer, Pool boiling, Critical heat flux, Surface roughness, Design, Heat, Heat transfer coefficients, Wetting
Journal Articles

Liquid Freezing Dynamics on Hydrophobic and Superhydrophobic Surfaces

Nenad Miljkovic, Ryan Enright, Evelyn N Wang
Journal: ASME Journal of Heat and Mass Transfer
Publisher: ASME
Article Type: Photo Gallery
J. Heat Mass Transfer. August 2012, 134(8): 080902.
https://doi.org/10.1115/1.4006675
Published Online: June 27, 2012
View Article titled, Liquid Freezing Dynamics on Hydrophobic and Superhydrophobic Surfaces
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Topics: Dynamics (Mechanics), Freezing
Proceedings Papers

Nanoengineered Surfaces for Efficient Energy Systems

Evelyn N. Wang, Rong Xiao, Kuang-Han Chu, Ryan Enright
Proc. ASME. ICNMM2011, ASME 2011 9th International Conference on Nanochannels, Microchannels, and Minichannels, Volume 2, 663-667, June 19–22, 2011
Publisher: American Society of Mechanical Engineers
Paper No: ICNMM2011-58300
https://doi.org/10.1115/ICNMM2011-58300
View Paper titled, Nanoengineered Surfaces for Efficient Energy Systems
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Topics: Energy / power systems, Columns (Structural), Design, Nanostructures , Capillarity, Deflection, Drops, Energy conversion, Energy dissipation, Fluids