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Proceedings Papers

The Effect of Bending on Sintered Wicked Heat Pipes for Multiple Component Cooling

Eoin Guinan, Vanessa Egan, Joseph P. Mooney, Jeff Punch
Publisher: American Society of Mechanical Engineers
Proc. ASME. HT2023, ASME 2023 Heat Transfer Summer Conference, V001T10A007, July 10–12, 2023
Paper No: HT2023-108110
https://doi.org/10.1115/HT2023-108110
View Paper titled, The Effect of Bending on Sintered Wicked Heat Pipes for Multiple Component Cooling
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Topics: Cooling, Heat pipes
Proceedings Papers

Hydrodynamic Characterisation of Micro-Gap Geometries for Photonics Cooling Applications

Marian Carroll, Jeff Punch, Eric Dalton, Niamh Richardson
Proc. ASME. IMECE2017, Volume 10: Micro- and Nano-Systems Engineering and Packaging, V010T13A032, November 3–9, 2017
Paper No: IMECE2017-71285
https://doi.org/10.1115/IMECE2017-71285
View Paper titled, Hydrodynamic Characterisation of Micro-Gap Geometries for Photonics Cooling Applications
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Topics: Cooling, Photonics, Flow (Dynamics), Heat transfer, Pressure drop, Traffic, Viscoelastic fluids, Design, Fluids, Flux (Metallurgy)
Journal Articles

Passive Control and Enhancement of Low Reynolds Number Slot Jets Through the Use of Tabs and Chevrons

Andrew Sexton, Jeff Punch, Jason Stafford, Nicholas Jeffers
Journal: Journal of Heat Transfer
Article Type: Research-Article
J. Heat Transfer. March 2018, 140(3): 032201.
Paper No: HT-17-1099
https://doi.org/10.1115/1.4037786
Published Online: October 10, 2017
View Article titled, Passive Control and Enhancement of Low Reynolds Number Slot Jets Through the Use of Tabs and Chevrons
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Topics: Flow (Dynamics), Heat transfer, Jets, Passive control, Pressure drop, Reynolds number, Nozzles, Geometry
Proceedings Papers

Passive Control and Enhancement of Low Reynolds Number Slot Jets Through the Use of Tabs and Chevrons

Andrew Sexton, Jeff Punch, Nicholas Jeffers, Jason Stafford
Proc. ASME. IMECE2016, Volume 8: Heat Transfer and Thermal Engineering, V008T10A084, November 11–17, 2016
Paper No: IMECE2016-66683
https://doi.org/10.1115/IMECE2016-66683
View Paper titled, Passive Control and Enhancement of Low Reynolds Number Slot Jets Through the Use of Tabs and Chevrons
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Topics: Jets, Passive control, Reynolds number, Cooling, Geometry, Packaging, Convection, Integrated circuits, Laminar flow, Microfluidics
Proceedings Papers

A C-Battery Scale Energy Harvester: Part A — System Dynamics

Valeria Nico, Elisabetta Boco, Ronan Frizzell, Jeff Punch
Proc. ASME. SMASIS2015, Volume 2: Integrated System Design and Implementation; Structural Health Monitoring; Bioinspired Smart Materials and Systems; Energy Harvesting, V002T07A008, September 21–23, 2015
Paper No: SMASIS2015-8907
https://doi.org/10.1115/SMASIS2015-8907
View Paper titled, A C-Battery Scale Energy Harvester: Part A — System Dynamics
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Topics: Batteries, Energy harvesting, System dynamics, Excitation, Sensors, Stress, Air compressors, Collisions (Physics), Compressors, Degrees of freedom
Proceedings Papers

A C-Battery Scale Energy Harvester: Part B — Transducer Optimization and Modeling

Elisabetta Boco, Valeria Nico, Ronan Frizzell, Jeff Punch
Proc. ASME. SMASIS2015, Volume 2: Integrated System Design and Implementation; Structural Health Monitoring; Bioinspired Smart Materials and Systems; Energy Harvesting, V002T07A009, September 21–23, 2015
Paper No: SMASIS2015-8908
https://doi.org/10.1115/SMASIS2015-8908
View Paper titled, A C-Battery Scale Energy Harvester: Part B — Transducer Optimization and Modeling
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Topics: Batteries, Energy harvesting, Modeling, Optimization, Transducers, Degrees of freedom, Density, Dimensions, Electromagnetic radiation, Excitation
Proceedings Papers

The Influence of Mass Configurations on Bandwidth in Velocity Amplified Vibrational Energy Harvesters

Declan O’Donoghue, Ronan Frizzell, Jeff Punch
Proc. ASME. SMASIS2015, Volume 2: Integrated System Design and Implementation; Structural Health Monitoring; Bioinspired Smart Materials and Systems; Energy Harvesting, V002T07A011, September 21–23, 2015
Paper No: SMASIS2015-8952
https://doi.org/10.1115/SMASIS2015-8952
View Paper titled, The Influence of Mass Configurations on Bandwidth in Velocity Amplified Vibrational Energy Harvesters
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Topics: Energy harvesting, Generators, Collisions (Physics), Degrees of freedom, Excitation, Sensors
Proceedings Papers

The Influence of Confinement on the Hydrodynamic Characteristics of a Cylindrical Pillar Within a Microchannel

John O’Connor, Jeff Punch, Nicholas Jeffers, Jason Stafford
Proc. ASME. ICNMM2015, ASME 2015 13th International Conference on Nanochannels, Microchannels, and Minichannels, V001T04A044, July 6–9, 2015
Paper No: ICNMM2015-48701
https://doi.org/10.1115/ICNMM2015-48701
View Paper titled, The Influence of Confinement on the Hydrodynamic Characteristics of a Cylindrical Pillar Within a Microchannel
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Topics: Columns (Structural), Microchannels, Reynolds number, Flow (Dynamics), Cylinders, Heat transfer, Open channels (Hydraulics), Pressure drop, Collapse, Convection
Proceedings Papers

A Multiple-Degree-of-Freedom Velocity-Amplified Vibrational Energy Harvester: Part A — Experimental Analysis

Declan O’Donoghue, Valeria Nico, Ronan Frizzell, Gerard Kelly, Jeff Punch
Proc. ASME. SMASIS2014, Volume 2: Mechanics and Behavior of Active Materials; Integrated System Design and Implementation; Bioinspired Smart Materials and Systems; Energy Harvesting, V002T07A010, September 8–10, 2014
Paper No: SMASIS2014-7510
https://doi.org/10.1115/SMASIS2014-7510
View Paper titled, A Multiple-Degree-of-Freedom Velocity-Amplified Vibrational Energy Harvester: Part A — Experimental Analysis
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Topics: Energy harvesting, Experimental analysis, Excitation, Noise (Sound), Dynamics (Mechanics), Stress, Collisions (Physics), Design, Electricity (Physics), Electromagnetic induction
Proceedings Papers

A Multiple Degree-of-Freedom Velocity-Amplified Vibrational Energy Harvester: Part B — Modelling

Valeria Nico, Declan O’Donoghue, Ronan Frizzell, Gerard Kelly, Jeff Punch
Proc. ASME. SMASIS2014, Volume 2: Mechanics and Behavior of Active Materials; Integrated System Design and Implementation; Bioinspired Smart Materials and Systems; Energy Harvesting, V002T07A011, September 8–10, 2014
Paper No: SMASIS2014-7511
https://doi.org/10.1115/SMASIS2014-7511
View Paper titled, A Multiple Degree-of-Freedom Velocity-Amplified Vibrational Energy Harvester: Part B — Modelling
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Topics: Degrees of freedom, Energy harvesting, Modeling, Collisions (Physics), Blocks (Building materials), Dynamics (Mechanics), Electromagnetic induction, Electronics, Harmonic oscillators, Kinetic energy
Proceedings Papers

An Investigation of the Pressure Drop Associated With Liquid-Liquid Slug Flows

Marc Mac Giolla Eain, Vanessa Egan, Jeff Punch, Patrick Walsh, Edmond Walsh
Proc. ASME. ICNMM2013, ASME 2013 11th International Conference on Nanochannels, Microchannels, and Minichannels, V001T03A009, June 16–19, 2013
Paper No: ICNMM2013-73097
https://doi.org/10.1115/ICNMM2013-73097
View Paper titled, An Investigation of the Pressure Drop Associated With Liquid-Liquid Slug Flows
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Topics: Pressure drop, Slug flows, Flow (Dynamics), Water, Fluids, Physics
Journal Articles

From Chip to Cooling Tower Data Center Modeling: Chip Leakage Power and Its Impact on Cooling Infrastructure Energy Efficiency

Thomas J. Breen, Ed J. Walsh, Jeff Punch, Amip J. Shah, Cullen E. Bash, Niru Kumari, Tahir Cader
Journal: Journal of Electronic Packaging
Article Type: Research-Article
J. Electron. Packag. December 2012, 134(4): 041009.
https://doi.org/10.1115/1.4007744
Published Online: November 26, 2012
View Article titled, From Chip to Cooling Tower Data Center Modeling: Chip Leakage Power and Its Impact on Cooling Infrastructure Energy Efficiency
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Topics: Cooling, Data centers, Heat sinks, Leakage, Temperature, Energy consumption, Heat
Journal Articles

From Chip to Cooling Tower Data Center Modeling: Influence of Air-Stream Containment on Operating Efficiency

Thomas J. Breen, Ed J. Walsh, Jeff Punch, Amip J. Shah, Cullen E. Bash, Brandon Rubenstein, Scot Heath, Niru Kumari
Journal: Journal of Electronic Packaging
Article Type: Research-Article
J. Electron. Packag. December 2012, 134(4): 041006.
https://doi.org/10.1115/1.4007110
Published Online: October 30, 2012
View Article titled, From Chip to Cooling Tower Data Center Modeling: Influence of Air-Stream Containment on Operating Efficiency
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Topics: Containment, Data centers, Heat, Heat sinks, Temperature, Air flow
Proceedings Papers

On the Thermal Characteristics of Two-Phase, Liquid-Liquid, Non-Boiling Droplet Flow in Minichannels

Marc Mac Giolla Eain, Vanessa Egan, Jeff Punch
Proc. ASME. IMECE2011, Volume 10: Heat and Mass Transport Processes, Parts A and B, 759-768, November 11–17, 2011
Paper No: IMECE2011-62692
https://doi.org/10.1115/IMECE2011-62692
View Paper titled, On the Thermal Characteristics of Two-Phase, Liquid-Liquid, Non-Boiling Droplet Flow in Minichannels
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Topics: Boiling, Drops, Flow (Dynamics), Heat transfer, Two-phase flow
Proceedings Papers

The Influence of Heat Spreading on the Thermal Control of Photonics Integrated Circuits

Se´amus Hickey, Jeff Punch, John Daly, Nicholas Jeffers
Proc. ASME. IMECE2011, Volume 10: Heat and Mass Transport Processes, Parts A and B, 35-42, November 11–17, 2011
Paper No: IMECE2011-63697
https://doi.org/10.1115/IMECE2011-63697
View Paper titled, The Influence of Heat Spreading on the Thermal Control of Photonics Integrated Circuits
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Topics: Flat heat pipes, Heat, Integrated circuits, Photonics
Proceedings Papers

On the Need for Energy Efficiency Metrics That Span Integrated IT-Facility Infrastructures

Amip J. Shah, Cullen E. Bash, Niru Kumari, Tahir Cader, Thomas J. Breen, Ed J. Walsh, Jeff Punch
Proc. ASME. InterPACK2011, ASME 2011 Pacific Rim Technical Conference and Exhibition on Packaging and Integration of Electronic and Photonic Systems, MEMS and NEMS: Volume 2, 541-551, July 6–8, 2011
Paper No: IPACK2011-52140
https://doi.org/10.1115/IPACK2011-52140
View Paper titled, On the Need for Energy Efficiency Metrics That Span Integrated IT-Facility Infrastructures
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Topics: Energy efficiency, Data centers, Energy consumption, Traction
Proceedings Papers

Influence of Experimental Uncertainty on Prediction of Holistic Multi-Scale Data Center Energy Efficiency

Thomas J. Breen, Ed J. Walsh, Jeff Punch, Amip J. Shah, Niru Kumari, Cullen E. Bash, Scot Heath, Brandon Rubenstein
Proc. ASME. InterPACK2011, ASME 2011 Pacific Rim Technical Conference and Exhibition on Packaging and Integration of Electronic and Photonic Systems, MEMS and NEMS: Volume 2, 553-563, July 6–8, 2011
Paper No: IPACK2011-52141
https://doi.org/10.1115/IPACK2011-52141
View Paper titled, Influence of Experimental Uncertainty on Prediction of Holistic Multi-Scale Data Center Energy Efficiency
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Topics: Data centers, Energy efficiency, Uncertainty, Stress, Temperature, Design, Experimental analysis, Flow (Dynamics), Air flow, Compressors
Proceedings Papers

From Chip to Cooling Tower Data Center Modeling: Chip Leakage Power and its Impact on Cooling Infrastructure Energy Efficiency

Thomas J. Breen, Ed J. Walsh, Jeff Punch, Amip J. Shah, Cullen E. Bash, Niru Kumari, Tahir Cader
Proc. ASME. InterPACK2011, ASME 2011 Pacific Rim Technical Conference and Exhibition on Packaging and Integration of Electronic and Photonic Systems, MEMS and NEMS: Volume 2, 433-442, July 6–8, 2011
Paper No: IPACK2011-52030
https://doi.org/10.1115/IPACK2011-52030
View Paper titled, From Chip to Cooling Tower Data Center Modeling: Chip Leakage Power and its Impact on Cooling Infrastructure Energy Efficiency
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Topics: Cooling, Cooling towers, Data centers, Energy efficiency, Leakage, Modeling, Operating temperature, Energy consumption, Heat, Accounting
Journal Articles

From Chip to Cooling Tower Data Center Modeling: Influence of Chip Temperature Control Philosophy

Ed J. Walsh, Thomas J. Breen, Jeff Punch, Amip J. Shah, Cullen E. Bash
Journal: Journal of Electronic Packaging
Article Type: Research Papers
J. Electron. Packag. September 2011, 133(3): 031008.
https://doi.org/10.1115/1.4004657
Published Online: September 21, 2011
View Article titled, From Chip to Cooling Tower Data Center Modeling: Influence of Chip Temperature Control Philosophy
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Topics: Cooling, Cooling towers, Data centers, Heat sinks, Temperature, Temperature control, Modeling, Thermal resistance, Flow (Dynamics)
Journal Articles

From Chip to Cooling Tower Data Center Modeling: Influence of Server Inlet Temperature and Temperature Rise Across Cabinet

Thomas J. Breen, Ed J. Walsh, Jeff Punch, Amip J. Shah, Cullen E. Bash
Journal: Journal of Electronic Packaging
Article Type: Research Papers
J. Electron. Packag. March 2011, 133(1): 011004.
https://doi.org/10.1115/1.4003274
Published Online: March 9, 2011
View Article titled, From Chip to Cooling Tower Data Center Modeling: Influence of Server Inlet Temperature and Temperature Rise Across Cabinet
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Topics: Cooling, Cooling towers, Data centers, Temperature, Cooling systems, Heat, Modeling, Flow (Dynamics)