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Amy Rachel Betz
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Proceedings Papers

Frost Formation on Aluminum and Hydrophobic Surfaces

Mohammad Rejaul Haque, Amy Rachel Betz
Proc. ASME. ICNMM2018, ASME 2018 16th International Conference on Nanochannels, Microchannels, and Minichannels, V001T04A001, June 10–13, 2018
Paper No: ICNMM2018-7609
DOI: https://doi.org/10.1115/ICNMM2018-7609
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Topics: Aluminum, Freezing, Drops, Delays, Ice, Coating processes, Coatings, Temperature, Air conditioning, Aircraft
Proceedings Papers

Theoretical and Experimental Analysis of Increasing Pressure During Pool-Boiling

Smreeti Dahariya, Amy Rachel Betz
Proc. ASME. ICNMM2018, ASME 2018 16th International Conference on Nanochannels, Microchannels, and Minichannels, V001T03A001, June 10–13, 2018
Paper No: ICNMM2018-7673
DOI: https://doi.org/10.1115/ICNMM2018-7673
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Topics: Experimental analysis, Pool boiling, Pressure, Bubbles, Nucleation (Physics), Boiling, High pressure (Physics), Water, Boilers, Boundary layers
Proceedings Papers

Atmospheric Condensation Performance of Plain Copper and Graphene Oxide Coated Copper Surfaces

Mohammad Rejaul Haque, Amy Rachel Betz
Proc. ASME. ICNMM2018, ASME 2018 16th International Conference on Nanochannels, Microchannels, and Minichannels, V001T06A002, June 10–13, 2018
Paper No: ICNMM2018-7610
DOI: https://doi.org/10.1115/ICNMM2018-7610
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Topics: Condensation, Copper, Graphene, Drops, Water, Water harvesting, Aerospace industry, Atmospheric pressure, Carbon, Condensed matter
Proceedings Papers

Numerical Study of Natural Convection Heat Transfer Over a Cooling Stage

Mohammad Rejaul Haque, Amy Rachel Betz
Proc. ASME. IMECE2017, Volume 8: Heat Transfer and Thermal Engineering, V008T10A013, November 3–9, 2017
Paper No: IMECE2017-71868
DOI: https://doi.org/10.1115/IMECE2017-71868
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Topics: Cooling, Heat transfer, Natural convection, Flow (Dynamics), Rayleigh number, Buoyancy, Boundary-value problems, Condensation, Convection, Fluids
Proceedings Papers

Heat Transfer Enhancement by Insertion of Vortex Generators in Electronic Chip Cooling: A Numerical Study

Mohammad Rejaul Haque, Amy Rachel Betz
Proc. ASME. ICNMM2017, ASME 2017 15th International Conference on Nanochannels, Microchannels, and Minichannels, V001T05A001, August 27–30, 2017
Paper No: ICNMM2017-5523
DOI: https://doi.org/10.1115/ICNMM2017-5523
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Topics: Cooling, Generators, Heat transfer, Vortices, Reynolds number, Computational fluid dynamics, Heat transfer coefficients, Pressure drop, Convection, Copper
Proceedings Papers

Condensation Dynamics and Droplet Size Distribution

Mohammad Rejaul Haque, Chuang Qu, Edward C. Kinzel, Amy Rachel Betz
Proc. ASME. ICNMM2017, ASME 2017 15th International Conference on Nanochannels, Microchannels, and Minichannels, V001T09A002, August 27–30, 2017
Paper No: ICNMM2017-5562
DOI: https://doi.org/10.1115/ICNMM2017-5562
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Topics: Condensation, Drops, Dynamics (Mechanics), Silicon, Temperature, Water, Aerospace industry, Columns (Structural), Dehumidification, HVAC equipment
Journal Articles

Boiling Performance of Graphene Oxide Coated Copper Surfaces at High Pressures

Nanxi Li, Amy Rachel Betz
Journal: Journal of Heat Transfer
Article Type: Research-Article
J. Heat Transfer. November 2017, 139(11): 111504.
Paper No: HT-16-1639
DOI: https://doi.org/10.1115/1.4036678
Published Online: June 21, 2017
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Topics: Boiling, Bubbles, Copper, Graphene, Water, Pressure, Coatings, Drops, Condensation
Proceedings Papers

Effect of Open Micro-Channels on External Condensation Heat Transfer

Brandon Hulet, Andres Martinez, Melanie Derby, Amy Rachel Betz
Proc. ASME. ICNMM2016, ASME 2016 14th International Conference on Nanochannels, Microchannels, and Minichannels, V001T04A005, July 10–14, 2016
Paper No: ICNMM2016-8062
DOI: https://doi.org/10.1115/ICNMM2016-8062
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Topics: Condensation, Heat transfer, Microchannels, Film condensation, Flux (Metallurgy), Heat, Heat transfer coefficients, Condensers (steam plant), Film thickness, Fins
Proceedings Papers

Critical Heat Flux of Graphene Coated Copper Surface at High Pressures

Nanxi Li, Amy Rachel Betz
Proc. ASME. ICNMM2015, ASME 2015 13th International Conference on Nanochannels, Microchannels, and Minichannels, V001T04A030, July 6–9, 2015
Paper No: ICNMM2015-48509
DOI: https://doi.org/10.1115/ICNMM2015-48509
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Topics: Copper, Critical heat flux, Graphene, Pressure, Cylinders, Fluids, Heat flux, Pool boiling, Atmospheric pressure, Boiling
Proceedings Papers

High Pressure Pool Boiling on a Hydrophobic Surface

Nanxi Li, Amy Rachel Betz
Proc. ASME. IMECE2014, Volume 8B: Heat Transfer and Thermal Engineering, V08BT10A064, November 14–20, 2014
Paper No: IMECE2014-38250
DOI: https://doi.org/10.1115/IMECE2014-38250
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Topics: High pressure (Physics), Pool boiling, Copper, Boiling, Bubbles, Coating processes, Coatings, Heat transfer, Heat transfer coefficients, Nucleation (Physics)
Proceedings Papers

Design and Fabrication of an Experimental Facility for High-Pressure Pool Boiling

Nanxi Li, Amy Rachel Betz
Proc. ASME. POWER2014, Volume 2: Simple and Combined Cycles; Advanced Energy Systems and Renewables (Wind, Solar and Geothermal); Energy Water Nexus; Thermal Hydraulics and CFD; Nuclear Plant Design, Licensing and Construction; Performance Testing and Performance Test Codes; Student Paper Competition, V002T11A004, July 28–31, 2014
Paper No: POWER2014-32107
DOI: https://doi.org/10.1115/POWER2014-32107
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Topics: Design, High pressure (Physics), Manufacturing, Pool boiling, Boiling, Copper, Pressure, Refrigerants, Water, Atmospheric pressure
Proceedings Papers

The Effect of Mixed Hydrophilic and Hydrophobic Surfaces on Frost Nucleation and Growth

Alexander S. Van Dyke, Amy Rachel Betz
Proc. ASME. IMECE2013, Volume 8C: Heat Transfer and Thermal Engineering, V08CT09A009, November 15–21, 2013
Paper No: IMECE2013-62620
DOI: https://doi.org/10.1115/IMECE2013-62620
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Topics: Nucleation (Physics), Aeronautics, Delays, Electric power transmission, Engineering systems and industry applications, Freezing, Phase transition temperature, Refrigeration, Shapes, Surface roughness
Proceedings Papers

Nano-Engineered Surfaces With Heterogeneous Wettability for Boiling Heat Transfer Enhancement

Amy Rachel Betz, James Jenkins, Chang-Jin C. J. Kim, Daniel Attinger
Proc. ASME. ICNMM2011, ASME 2011 9th International Conference on Nanochannels, Microchannels, and Minichannels, Volume 1, 63-67, June 19–22, 2011
Paper No: ICNMM2011-58141
DOI: https://doi.org/10.1115/ICNMM2011-58141
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Topics: Boiling, Critical heat flux, Heat transfer, Heat transfer coefficients, Manufacturing, Pool boiling, Water, Wetting
Proceedings Papers

Bubble Injection to Enhance Heat Transfer in Microchannel Heat Sinks

Amy Rachel Betz, Daniel Attinger
Proc. ASME. IMECE2009, Volume 9: Heat Transfer, Fluid Flows, and Thermal Systems, Parts A, B and C, 1681-1690, November 13–19, 2009
Paper No: IMECE2009-11972
DOI: https://doi.org/10.1115/IMECE2009-11972
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Topics: Bubbles, Heat sinks, Heat transfer, Microchannels, Flow (Dynamics), Heat, Cooling, Flux (Metallurgy), Laminar flow, Pressure drop