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Journal Articles

Additive Manufacturing of a High Temperature, Ni-Based Superalloy Compact Heat Exchanger: A Study on the Role of Select Key Printing Parameters

Fabio Battaglia, Xiang Zhang, Martinus A. Arie, Amir Shooshtari, Andres Paul Sarmiento, Michael Ohadi
Journal: ASME Journal of Heat and Mass Transfer
Publisher: ASME
Article Type: Research-Article
J. Heat Mass Transfer. April 2023, 145(4): 041901.
Paper No: HT-22-1629
https://doi.org/10.1115/1.4056484
Published Online: January 4, 2023
View Article titled, Additive Manufacturing of a High Temperature, Ni-Based Superalloy Compact Heat Exchanger: A Study on the Role of Select Key Printing Parameters
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Topics: Additive manufacturing, Heat exchangers, Lasers, Manifolds, Manufacturing, Microchannels, Printing, Superalloys, High temperature, Design
Proceedings Papers

Effect of Electric Field on Flow Pattern in Flow Boiling of R-134a: A Visualization Study

Mohsen Salehi, Majid Molki, Michael Ohadi
Proc. ASME. IMECE2000, Advances in Enhanced Heat Transfer, 127-136, November 5–10, 2000
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2000-1287
https://doi.org/10.1115/IMECE2000-1287
View Paper titled, Effect of Electric Field on Flow Pattern in Flow Boiling of R-134a: A Visualization Study
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Topics: Boiling, Electric fields, Flow (Dynamics), Visualization, Slug flows, Vapors, Heat, Heat flux, Heat transfer, Momentum
Journal Articles

In Memoriam: Professor Avram Bar-Cohen (1946–2020)

Marc Hodes, Ravi Mahajan, Zvi Ruder, Terry Simon, Karl Geisler, Michael Ohadi, Joseph Maurer, David Altman, Jim Wilson, Gennady Ziskind, Mark Spector, Ivan Catton, Vijay Dhir, Timothy Fisher, Portonovo Ayyaswamy, Boravoje Mikic
Journal: ASME Journal of Heat and Mass Transfer
Publisher: ASME
Article Type: In Memoriam
J. Heat Mass Transfer. March 2021, 143(3): 030101.
Paper No: HT-20-1725
https://doi.org/10.1115/1.4049444
Published Online: February 2, 2021
View Article titled, In Memoriam: Professor Avram Bar-Cohen (1946–2020)
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Topics: Engineering teachers, Heat transfer, Mechanical engineering
Proceedings Papers

Experimental Study of a Set of Integrated Cross-Media Heat Exchangers (iCMHXs) for Liquid Cooling in Desktop Computers

Gargi Kailkhura, Raphael Mandel, Amir Shooshtari, Michael Ohadi
Proc. ASME. InterPACK2020, ASME 2020 International Technical Conference and Exhibition on Packaging and Integration of Electronic and Photonic Microsystems, V001T08A006, October 27–29, 2020
Publisher: American Society of Mechanical Engineers
Paper No: IPACK2020-2591
https://doi.org/10.1115/IPACK2020-2591
View Paper titled, Experimental Study of a Set of Integrated Cross-Media Heat Exchangers (iCMHXs) for Liquid Cooling in Desktop Computers
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Topics: Additive manufacturing, Computational fluid dynamics, Computers, Cooling, Heat exchangers, Urethane elastomers, Sealants, Wire, Fluids, Calibration
Proceedings Papers

Effect of Bonding Structure and Heater Design on Performance Enhancement of FEEDS Embedded Manifold-Microchannel Cooling

Daniel Bae, Raphael Mandel, Michael Ohadi
Proc. ASME. InterPACK2017, ASME 2017 International Technical Conference and Exhibition on Packaging and Integration of Electronic and Photonic Microsystems, V001T02A024, August 29–September 1, 2017
Publisher: American Society of Mechanical Engineers
Paper No: IPACK2017-74158
https://doi.org/10.1115/IPACK2017-74158
View Paper titled, Effect of Bonding Structure and Heater Design on Performance Enhancement of FEEDS Embedded Manifold-Microchannel Cooling
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Topics: Bonding, Cooling, Design, Manifolds, Microchannels, Heat flux, Electronics, Fluids, Manufacturing, Computational fluid dynamics
Proceedings Papers

Geometry Effects on Two-Phase Flow Regimes in a Diabatic Manifolded Microgap Channel

David C. Deisenroth, Avram Bar-Cohen, Michael Ohadi
Proc. ASME. InterPACK2017, ASME 2017 International Technical Conference and Exhibition on Packaging and Integration of Electronic and Photonic Microsystems, V001T02A025, August 29–September 1, 2017
Publisher: American Society of Mechanical Engineers
Paper No: IPACK2017-74287
https://doi.org/10.1115/IPACK2017-74287
View Paper titled, Geometry Effects on Two-Phase Flow Regimes in a Diabatic Manifolded Microgap Channel
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Topics: Geometry, Two-phase flow, Cooling, Heat, Boiling, Evaporation, Flow (Dynamics), Manifolds, Cooling systems, Design
Proceedings Papers

Advanced Cooling Designs for GaN-on-Diamond MMICs

Geoffrey Campbell, Henry Eppich, Keith Lang, Carlton Creamer, Thomas Yurovchak, Kanin Chu, Adonis Kassinos, Michael Ohadi, Amir Shooshtari, Serguei Dessiatoun
Proc. ASME. InterPACK2015, Volume 3: Advanced Fabrication and Manufacturing; Emerging Technology Frontiers; Energy, Health and Water- Applications of Nano-, Micro- and Mini-Scale Devices; MEMS and NEMS; Technology Update Talks; Thermal Management Using Micro Channels, Jets, Sprays, V003T04A007, July 6–9, 2015
Publisher: American Society of Mechanical Engineers
Paper No: IPACK2015-48429
https://doi.org/10.1115/IPACK2015-48429
View Paper titled, Advanced Cooling Designs for GaN-on-Diamond MMICs
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Topics: Cooling, Diamonds, Gallium nitride, Temperature, Coolers, Microchannels, Thermal resistance, Cooling systems, Design, Engineering prototypes
Proceedings Papers

Reliable Integration of Microchannel Coolers for Power Electronics

David Squiller, Sumeer Khanna, Serguei Dessiatoun, Raphael Mandel, Michael Ohadi, Patrick McCluskey
Proc. ASME. InterPACK2015, Volume 3: Advanced Fabrication and Manufacturing; Emerging Technology Frontiers; Energy, Health and Water- Applications of Nano-, Micro- and Mini-Scale Devices; MEMS and NEMS; Technology Update Talks; Thermal Management Using Micro Channels, Jets, Sprays, V003T10A015, July 6–9, 2015
Publisher: American Society of Mechanical Engineers
Paper No: IPACK2015-48757
https://doi.org/10.1115/IPACK2015-48757
View Paper titled, Reliable Integration of Microchannel Coolers for Power Electronics
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Topics: Coolers, Electronics, Microchannels, Corrosion, Electronic packages, Electronic systems, Erosion, Failure mechanisms, Fracture (Materials), Fracture (Process)
Proceedings Papers

Review of Most Recent Progress on Development of Polymer Heat Exchangers for Thermal Management Applications

David C. Deisenroth, Martinus Adrian Arie, Serguei Dessiatoun, Amir Shooshtari, Michael Ohadi, Avram Bar-Cohen
Proc. ASME. InterPACK2015, Volume 3: Advanced Fabrication and Manufacturing; Emerging Technology Frontiers; Energy, Health and Water- Applications of Nano-, Micro- and Mini-Scale Devices; MEMS and NEMS; Technology Update Talks; Thermal Management Using Micro Channels, Jets, Sprays, V003T03A003, July 6–9, 2015
Publisher: American Society of Mechanical Engineers
Paper No: IPACK2015-48637
https://doi.org/10.1115/IPACK2015-48637
View Paper titled, Review of Most Recent Progress on Development of Polymer Heat Exchangers for Thermal Management Applications
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Topics: Heat exchangers, Polymers, Thermal management, Additive manufacturing, Corrosion protection, Electrical conductivity, Heat transfer, Manufacturing, Stability, Temperature
Proceedings Papers

Embedded Two-Phase Cooling of High Flux Electronics via Micro-Enabled Surfaces and Fluid Delivery Systems (FEEDS)

Raphael Mandel, Serguei Dessiatoun, Patrick McCluskey, Michael Ohadi
Proc. ASME. InterPACK2015, Volume 3: Advanced Fabrication and Manufacturing; Emerging Technology Frontiers; Energy, Health and Water- Applications of Nano-, Micro- and Mini-Scale Devices; MEMS and NEMS; Technology Update Talks; Thermal Management Using Micro Channels, Jets, Sprays, V003T10A012, July 6–9, 2015
Publisher: American Society of Mechanical Engineers
Paper No: IPACK2015-48496
https://doi.org/10.1115/IPACK2015-48496
View Paper titled, Embedded Two-Phase Cooling of High Flux Electronics via Micro-Enabled Surfaces and Fluid Delivery Systems (FEEDS)
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Topics: Cooling, Electronics, Fluids, Vapors, Heat flux, Pressure drop, Computational fluid dynamics, Engineering simulation, Experimental design, Heat transfer
Proceedings Papers

Study of CO 2 Absorption Into Aqueous Diethanolamine (DEA) Using Microchannel Reactors

Stefan Bangerth, Harish Ganapathy, Michael Ohadi, Tariq S. Khan, Mohamed Alshehhi
Proc. ASME. IMECE2014, Volume 6A: Energy, V06AT07A010, November 14–20, 2014
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2014-36348
https://doi.org/10.1115/IMECE2014-36348
View Paper titled, Study of CO 2 Absorption Into Aqueous Diethanolamine (DEA) Using Microchannel Reactors
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Topics: Absorption, Carbon dioxide, Microchannels, Mass transfer, Separation (Technology), Blanks, Carbon capture and storage, Geometry, Natural gas, Potassium
Proceedings Papers

Streamline Modeling of Manifold Microchannels in Thin Film Evaporation

Raphael Mandel, Amir Shooshtari, Serguei Dessiatoun, Michael Ohadi
Proc. ASME. HT2013, Volume 2: Heat Transfer Enhancement for Practical Applications; Heat and Mass Transfer in Fire and Combustion; Heat Transfer in Multiphase Systems; Heat and Mass Transfer in Biotechnology, V002T07A024, July 14–19, 2013
Publisher: American Society of Mechanical Engineers
Paper No: HT2013-17731
https://doi.org/10.1115/HT2013-17731
View Paper titled, Streamline Modeling of Manifold Microchannels in Thin Film Evaporation
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Topics: Evaporation, Manifolds, Microchannels, Modeling, Thin films, Heat transfer coefficients, Pressure drop, Flow (Dynamics), Heat transfer, Heat flux
Proceedings Papers

Energy Conservation Measures of a Primary Data Center on an Academic Campus

Kyosung Choo, Renan Manozzo Galante, Michael Ohadi
Proc. ASME. HT2013, Volume 1: Heat Transfer in Energy Systems; Thermophysical Properties; Theory and Fundamental Research in Heat Transfer, V001T01A011, July 14–19, 2013
Publisher: American Society of Mechanical Engineers
Paper No: HT2013-17061
https://doi.org/10.1115/HT2013-17061
View Paper titled, Energy Conservation Measures of a Primary Data Center on an Academic Campus
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Topics: Data centers, Energy conservation, Containment, Temperature, Computers, Cooling, Energy consumption, Flow (Dynamics), Heat transfer, Nozzles
Journal Articles

Experimental Characterization of Heat Transfer and Pressure Drop Inside a Tubular Evaporator Utilizing Advanced Microgrooved Surfaces

Vibhash Jha, Serguei Dessiatoun, Michael Ohadi, Ebrahim Al Hajri
Journal: Journal of Thermal Science and Engineering Applications
Publisher: ASME
Article Type: Research-Article
J. Thermal Sci. Eng. Appl. December 2012, 4(4): 041009.
https://doi.org/10.1115/1.4007079
Published Online: October 17, 2012
View Article titled, Experimental Characterization of Heat Transfer and Pressure Drop Inside a Tubular Evaporator Utilizing Advanced Microgrooved Surfaces
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Topics: Flow (Dynamics), Heat transfer, Heat transfer coefficients, Pressure drop, Refrigerants, Water, Microchannels, Cooling, Fluids, Design
Proceedings Papers

Experimental Characterization of EHD Flow in an Electrostatic Air-Oil Droplets Separator Using Particle Image Velocimetry

Xiangling Kong, Mohamed Alshehhi, Afshin Goharzadeh, Amir Shooshtari, Serguei Dessiatoun, Michael Ohadi
Proc. ASME. IMECE2010, Volume 7: Fluid Flow, Heat Transfer and Thermal Systems, Parts A and B, 927-933, November 12–18, 2010
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2010-40332
https://doi.org/10.1115/IMECE2010-40332
View Paper titled, Experimental Characterization of EHD Flow in an Electrostatic Air-Oil Droplets Separator Using Particle Image Velocimetry
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Topics: Drops, Experimental characterization, Flow (Dynamics), Particulate matter, Wire, Vortices, Electrodes, Electrohydrodynamics, Gas flow, Jets
Proceedings Papers

High Performance Micro-Grooved Evaporative Heat Transfer Surface for Low Grade Waste Heat Recovery Applications

Vibhash Jha, Serguei Dessiatoun, Michael Ohadi, Amir Shooshtari, Ebrahim Al-Hajri
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, 277-283, July 6–8, 2011
Publisher: American Society of Mechanical Engineers
Paper No: IPACK2011-52179
https://doi.org/10.1115/IPACK2011-52179
View Paper titled, High Performance Micro-Grooved Evaporative Heat Transfer Surface for Low Grade Waste Heat Recovery Applications
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Topics: Heat recovery, Heat transfer, Flow (Dynamics), Heat transfer coefficients, Pressure drop, Refrigerants, Thermal management, Absorption, Cooling, Electronic products
Proceedings Papers

Multi Objective Optimization of a Force Fed Microchannel Heat Sink

Edvin Cetegen, Serguei Dessiatoun, Michael Ohadi
Proc. ASME. MNHMT2009, ASME 2009 Second International Conference on Micro/Nanoscale Heat and Mass Transfer, Volume 3, 93-100, December 18–21, 2009
Publisher: American Society of Mechanical Engineers
Paper No: MNHMT2009-18150
https://doi.org/10.1115/MNHMT2009-18150
View Paper titled, Multi Objective Optimization of a Force Fed Microchannel Heat Sink
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Topics: Heat sinks, Microchannels, Pareto optimization, Design, Heat transfer, Optimization, Approximation, Computer simulation, Flow (Dynamics), Genetic algorithms
Proceedings Papers

Heat Transfer Analysis of Force Fed Evaporation on Microgrooved Surfaces

Edvin Cetegen, Serguei Dessiatoun, Michael Ohadi
Proc. ASME. ICNMM2008, ASME 2008 6th International Conference on Nanochannels, Microchannels, and Minichannels, 657-660, June 23–25, 2008
Publisher: American Society of Mechanical Engineers
Paper No: ICNMM2008-62285
https://doi.org/10.1115/ICNMM2008-62285
View Paper titled, Heat Transfer Analysis of Force Fed Evaporation on Microgrooved Surfaces
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Topics: Evaporation, Heat transfer, Heat flux, Pressure, Flux (Metallurgy), Heat, Nucleate boiling, Refrigerants
Proceedings Papers

Studies on Condensation of Refrigerants in a High Aspect Ratio Microchannel and in a Novel Micro-Groove Surface Heat Exchanger: Development of Micro-Condensers in Compact Two Phase Cooling Systems

Serguei Dessiatoun, Sourav Chowdhury, Ebrahim Al-Hajri, Edvin Cetegen, Michael Ohadi
Proc. ASME. ICNMM2007, ASME 5th International Conference on Nanochannels, Microchannels, and Minichannels, 109-116, June 18–20, 2007
Publisher: American Society of Mechanical Engineers
Paper No: ICNMM2007-30179
https://doi.org/10.1115/ICNMM2007-30179
View Paper titled, Studies on Condensation of Refrigerants in a High Aspect Ratio Microchannel and in a Novel Micro-Groove Surface Heat Exchanger: Development of Micro-Condensers in Compact Two Phase Cooling Systems
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Topics: Condensation, Condensers (steam plant), Cooling systems, Heat exchangers, Microchannels, Refrigerants, Heat transfer coefficients, Pressure drop, Temperature, Fluids
Proceedings Papers

Heat Transfer Analysis of Microgrooved Evaporator and Condenser Surfaces Utilized in a High Heat Flux Two-Phase Flow Loop

Edvin Cetegen, Thomas Baummer, Serguei Dessiatoun, Michael Ohadi
Proc. ASME. IMECE2007, Volume 8: Heat Transfer, Fluid Flows, and Thermal Systems, Parts A and B, 1031-1037, November 11–15, 2007
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2007-42001
https://doi.org/10.1115/IMECE2007-42001
View Paper titled, Heat Transfer Analysis of Microgrooved Evaporator and Condenser Surfaces Utilized in a High Heat Flux Two-Phase Flow Loop
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Topics: Condensers (steam plant), Heat flux, Heat transfer, Two-phase flow, Pressure drop, Cooling, Heat, Heat transfer coefficients, Condensation, Electronic components