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Ronald J. Warzoha
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Proceedings Papers

Development of a Numerical Model to Assess Sensitivity for Fiber Probe Frequency-Domain Thermoreflectance Measurements

Ronald J. Warzoha
Proc. ASME. HT2022, ASME 2022 Heat Transfer Summer Conference, V001T09A002, July 11–13, 2022
Publisher: American Society of Mechanical Engineers
Paper No: HT2022-80540
https://doi.org/10.1115/HT2022-80540
View Paper titled, Development of a Numerical Model to Assess Sensitivity for Fiber Probe Frequency-Domain Thermoreflectance Measurements
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Topics: Computer simulation, Fibers, Probes, Thermoreflectance, Thermal properties, Cladding systems (Building), Microscopes, Thermal conductivity, Transducers
Proceedings Papers

Confined Transducer Geometries to Enhance Sensitivity to Thermal Boundary Conductance in Frequency-Domain Thermoreflectance Measurements

Ronald J. Warzoha, Adam A. Wilson, Brian F. Donovan, Andy Clark, Xuemei Cheng, Lu An, Ezra Lee, Xiaosong Liu, Gang Feng
Proc. ASME. InterPACK2021, ASME 2021 International Technical Conference and Exhibition on Packaging and Integration of Electronic and Photonic Microsystems, V001T08A001, October 26–28, 2021
Publisher: American Society of Mechanical Engineers
Paper No: IPACK2021-66842
https://doi.org/10.1115/IPACK2021-66842
View Paper titled, Confined Transducer Geometries to Enhance Sensitivity to Thermal Boundary Conductance in Frequency-Domain Thermoreflectance Measurements
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Topics: Electrical conductance, Thermoreflectance, Transducers, Thermal resistance, Architecture, Computer simulation, Electronic packaging, Fittings, Flow (Dynamics), Geometry
Journal Articles

Special Issue Dedicated to Professor Avram Bar-Cohen

Ronald J. Warzoha, Darin J. Sharar, Raffaele Luca Amalfi, Andrew Tay
Journal: Journal of Electronic Packaging
Publisher: ASME
Article Type: Guest Editorial
J. Electron. Packag. December 2021, 143(4): 040301.
Paper No: EP-21-1127
https://doi.org/10.1115/1.4052174
Published Online: September 13, 2021
View Article titled, Special Issue Dedicated to Professor Avram Bar-Cohen
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Topics: Engineering teachers
Journal Articles

Special Section on Nanoscale/Microscale Energy Transport, Conversion and Storage in Electronics Packaging

Ronald J. Warzoha
Journal: Journal of Electronic Packaging
Publisher: ASME
Article Type: Guest Editorial
J. Electron. Packag. June 2021, 143(2): 020301.
Paper No: EP-21-1004
https://doi.org/10.1115/1.4050407
Published Online: March 19, 2021
View Article titled, Special Section on Nanoscale/Microscale Energy Transport, Conversion and Storage in Electronics Packaging
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Topics: Electronic packaging, Microscale devices, Nanoscale phenomena, Storage
Journal Articles

Applications and Impacts of Nanoscale Thermal Transport in Electronics Packaging

Ronald J. Warzoha, Adam A. Wilson, Brian F. Donovan, Nazli Donmezer, Ashutosh Giri, Patrick E. Hopkins, Sukwon Choi, Darshan Pahinkar, Jingjing Shi, Samuel Graham, Zhiting Tian, Laura Ruppalt
Journal: Journal of Electronic Packaging
Publisher: ASME
Article Type: Review Articles
J. Electron. Packag. June 2021, 143(2): 020804.
Paper No: EP-20-1070
https://doi.org/10.1115/1.4049293
Published Online: February 22, 2021
View Article titled, Applications and Impacts of Nanoscale Thermal Transport in Electronics Packaging
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Topics: Electronics, Gallium nitride, Heat, Nanoscale phenomena, Phonons, Temperature, Thermal conductivity, Electromagnetic scattering, Energy gap, Diamonds
Journal Articles

Maximum Resolution of a Probe-Based, Steady-State Thermal Interface Material Characterization Instrument

Ronald J. Warzoha, Andrew N. Smith, Maurice Harris
Journal: Journal of Electronic Packaging
Publisher: ASME
Article Type: Research-Article
J. Electron. Packag. March 2017, 139(1): 011004.
Paper No: EP-16-1075
https://doi.org/10.1115/1.4035178
Published Online: December 29, 2016
View Article titled, Maximum Resolution of a Probe-Based, Steady-State Thermal Interface Material Characterization Instrument
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Topics: Heat, Instrumentation, Probes, Resolution (Optics), Steady state, Uncertainty, Heat flux, Measurement uncertainty, Fillers (Materials), Temperature measurement
Proceedings Papers

Improving the Resolution of Steady-State, Infrared-Based Thermal Interface Resistance Measurements Using High-Precision Metrology to Determine In-Situ TIM Thickness

Ronald J. Warzoha, Andrew N. Smith, Maurice Harris
Proc. ASME. HT2016, Volume 1: Heat Transfer in Energy Systems; Thermophysical Properties; Theory and Fundamentals in Heat Transfer; Nanoscale Thermal Transport; Heat Transfer in Equipment; Heat Transfer in Fire and Combustion; Transport Processes in Fuel Cells and Heat Pipes; Boiling and Condensation in Macro, Micro and Nanosystems, V001T02A001, July 10–14, 2016
Publisher: American Society of Mechanical Engineers
Paper No: HT2016-7043
https://doi.org/10.1115/HT2016-7043
View Paper titled, Improving the Resolution of Steady-State, Infrared-Based Thermal Interface Resistance Measurements Using High-Precision Metrology to Determine In-Situ TIM Thickness
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Topics: Metrology, Resolution (Optics), Steady state, Flow (Dynamics), Heat, Interfacial thermal resistance, Junctions, Measurement systems, Measurement uncertainty, Performance characterization
Proceedings Papers

Experimental Characterization of the Thermal Diffusivity of Paraffin Phase Change Material Embedded With Herringbone Style Graphite Nanofibers

Ronald J. Warzoha, Anthony Rao, Rebecca Weigand, Amy S. Fleischer
Proc. ASME. HT2012, Volume 2: Heat Transfer Enhancement for Practical Applications; Fire and Combustion; Multi-Phase Systems; Heat Transfer in Electronic Equipment; Low Temperature Heat Transfer; Computational Heat Transfer, 307-315, July 8–12, 2012
Publisher: American Society of Mechanical Engineers
Paper No: HT2012-58043
https://doi.org/10.1115/HT2012-58043
View Paper titled, Experimental Characterization of the Thermal Diffusivity of Paraffin Phase Change Material Embedded With Herringbone Style Graphite Nanofibers
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Topics: Experimental characterization, Graphite, Nanofibers, Paraffin wax, Phase change materials, Thermal diffusivity, Latent heat, Specific heat, Thermal conductivity, Thermal energy storage
Journal Articles

Quantification of the Impact of Embedded Graphite Nanofibers on the Transient Thermal Response of Paraffin Phase Change Material Exposed to High Heat Fluxes

Kireeti Chintakrinda, Ronald J. Warzoha, Randy D. Weinstein, Amy S. Fleischer
Journal: ASME Journal of Heat and Mass Transfer
Publisher: ASME
Article Type: Heat Transfer Enhancement
J. Heat Mass Transfer. July 2012, 134(7): 071901.
https://doi.org/10.1115/1.4006008
Published Online: May 22, 2012
View Article titled, Quantification of the Impact of Embedded Graphite Nanofibers on the Transient Thermal Response of Paraffin Phase Change Material Exposed to High Heat Fluxes
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Topics: Heat, Paraffin wax, Transients (Dynamics), Temperature, Nanofibers, Phase change materials, Graphite, Thermocouples, Heating