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Journal Articles

Methodology to Characterize Row Manifolds for High Power Direct to Chip Liquid Cooling Data Centers

Pardeep Shahi, Ali Heydari, Bahareh Eslami, Vahideh Radmard, Chandraprakash Hinge, Himanshu Modi, Lochan Sai Reddy Chinthaparthy, Mohammad Tradat, Dereje Agonafer, Jeremy Rodriguez
Journal: Journal of Electronic Packaging
Publisher: ASME
Article Type: Research-Article
J. Electron. Packag. December 2024, 146(4): 041117.
Paper No: EP-24-1030
https://doi.org/10.1115/1.4065948
Published Online: August 17, 2024
View Article titled, Methodology to Characterize Row Manifolds for High Power Direct to Chip Liquid Cooling Data Centers
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Topics: Cooling, Data centers, Flow (Dynamics), Manifolds, Pressure, Pressure drop, Temperature, Modeling, Coolants, Calibration
Journal Articles

Electrochemical Additive Manufacturing-Based Design of a Heat Sink for Single-Phase Natural Convection Immersion Cooling Application

Jacob Lamotte-Dawaghreh, Joseph Herring, Sai Abhideep Pundla, Rohit Suthar, Vivek Nair, Pratik Bansode, Gautam Gupta, Dereje Agonafer, Joseph Madril, Tim Ouradnik, Michael Matthews, Ian Winfield
Journal: Journal of Electronic Packaging
Publisher: ASME
Article Type: Research-Article
J. Electron. Packag. December 2024, 146(4): 041113.
Paper No: EP-24-1048
https://doi.org/10.1115/1.4065987
Published Online: August 9, 2024
View Article titled, Electrochemical Additive Manufacturing-Based Design of a Heat Sink for Single-Phase Natural Convection Immersion Cooling Application
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Topics: Computational fluid dynamics, Cooling, Design, Heat sinks, Natural convection, Temperature, Triply periodic minimal surfaces, Manufacturing, Porosity
Journal Articles

Impact of Immersion Cooling on Thermomechanical Properties of Halogen-Free Substrate Core

Pratik Bansode, Rohit Suthar, Rabin Bhandari, Akshay Lakshminarayana, Naga Tejesh Eda, Gautam Gupta, Vibin Simon, Himanshu Modi, Vivek Nair, Pardeep Shahi, Satyam Saini, Krishna Bhavana Sivaraju, Dereje Agonafer
Journal: Journal of Electronic Packaging
Publisher: ASME
Article Type: Research-Article
J. Electron. Packag. December 2024, 146(4): 041112.
Paper No: EP-24-1042
https://doi.org/10.1115/1.4066044
Published Online: August 9, 2024
View Article titled, Impact of Immersion Cooling on Thermomechanical Properties of Halogen-Free Substrate Core
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Topics: Cooling, Elastic moduli, Fluids, Temperature, Thermomechanics, Heat, Energy dissipation, Glass transition, Data centers, Reliability
Proceedings Papers

A Numerical Study on the Influence of Mixed Convection Heat Transfer in Single-Phase Immersion Cooling

Satyam Saini, Gautam Gupta, Pratik Bansode, Pardeep Shahi, Vibin Shalom Simon, Himanshu Modi, Dereje Agonafer, Jimil Shah
Proc. ASME. InterPACK2023, ASME 2023 International Technical Conference and Exhibition on Packaging and Integration of Electronic and Photonic Microsystems, V001T01A010, October 24–26, 2023
Publisher: American Society of Mechanical Engineers
Paper No: IPACK2023-112005
https://doi.org/10.1115/IPACK2023-112005
View Paper titled, A Numerical Study on the Influence of Mixed Convection Heat Transfer in Single-Phase Immersion Cooling
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Topics: Cooling, Data centers, Heat sinks, Heat transfer, Mixed convection, Thermal management
Proceedings Papers

Single-Phase Immersion Cooling Multi-Design Variable Heat Sink Optimization for Natural Convection

Joseph Herring, Gautam Gupta, Jacob Lamotte-Dawaghreh, Pratik Bansode, Dereje Agonafer
Proc. ASME. InterPACK2023, ASME 2023 International Technical Conference and Exhibition on Packaging and Integration of Electronic and Photonic Microsystems, V001T01A012, October 24–26, 2023
Publisher: American Society of Mechanical Engineers
Paper No: IPACK2023-112019
https://doi.org/10.1115/IPACK2023-112019
View Paper titled, Single-Phase Immersion Cooling Multi-Design Variable Heat Sink Optimization for Natural Convection
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Topics: Computational fluid dynamics, Cooling, Data centers, Design, Heat sinks, Natural convection, Optimization
Proceedings Papers

Thermal, Hydraulic and Reliability Analysis of Single-Phase Liquid Coolants for Direct-to-Chip Cold Plate Cooling in High-Performance Computing Systems

Pardeep Shahi, Ali Heydari, Chandraprakash Hinge, Lochan Sai Reddy Chinthaparthy, Himanshu Modi, Harold Miyamura, Mohammad Tradat, Uschas Chowdhury, Vahideh Radmard, Dereje Agonafer, Jeremy Rodriguez
Proc. ASME. InterPACK2023, ASME 2023 International Technical Conference and Exhibition on Packaging and Integration of Electronic and Photonic Microsystems, V001T01A001, October 24–26, 2023
Publisher: American Society of Mechanical Engineers
Paper No: IPACK2023-110576
https://doi.org/10.1115/IPACK2023-110576
View Paper titled, Thermal, Hydraulic and Reliability Analysis of Single-Phase Liquid Coolants for Direct-to-Chip Cold Plate Cooling in High-Performance Computing Systems
Open the PDF for Thermal, Hydraulic and Reliability Analysis of Single-Phase Liquid Coolants for Direct-to-Chip Cold Plate Cooling in High-Performance Computing Systems in another window
Topics: Coolants, Cooling, Data centers, Event history analysis, Reliability
Proceedings Papers

Parametric Multi-Objective Optimization of Cold Plate for Single-Phase Immersion Cooling

Vibin Shalom Simon, Geevarghese Joseph, Anto Barigala, Satyam Saini, Pardeep Shahi, Lochan Sai Reddy Chinthaparthy, Pratik Vithoba Bansode, Dereje Agonafer
Proc. ASME. InterPACK2023, ASME 2023 International Technical Conference and Exhibition on Packaging and Integration of Electronic and Photonic Microsystems, V001T01A011, October 24–26, 2023
Publisher: American Society of Mechanical Engineers
Paper No: IPACK2023-112010
https://doi.org/10.1115/IPACK2023-112010
View Paper titled, Parametric Multi-Objective Optimization of Cold Plate for Single-Phase Immersion Cooling
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Topics: Cooling, Pareto optimization
Proceedings Papers

Optimization of a Air-Cooled Heatsink for Immersion Cooling Application

Gautam Gupta, Vivek Nair, Sai Abhideep Pundla, Pratik Bansode, Rohit Suthar, Joseph Herring, Jacob Lamotte-Dawaghreh, Krishna Bhavana Sivaraju, Dereje Agonafer, Poornima Mynampati, Mike Sweeney
Proc. ASME. InterPACK2023, ASME 2023 International Technical Conference and Exhibition on Packaging and Integration of Electronic and Photonic Microsystems, V001T01A013, October 24–26, 2023
Publisher: American Society of Mechanical Engineers
Paper No: IPACK2023-112054
https://doi.org/10.1115/IPACK2023-112054
View Paper titled, Optimization of a Air-Cooled Heatsink for Immersion Cooling Application
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Topics: Cooling, Fluids, Heat sinks, Optimization
Proceedings Papers

Methodology to Characterize Row Manifolds for High Power Direct to Chip Liquid Cooling Data Centers

Pardeep Shahi, Ali Heydari, Bahareh Eslami, Vahideh Radmard, Chandraprakash Hinge, Himanshu Modi, Lochan Sai Reddy Chinthaparthy, Mohammad Tradat, Dereje Agonafer, Jeremy Rodriguez
Proc. ASME. InterPACK2023, ASME 2023 International Technical Conference and Exhibition on Packaging and Integration of Electronic and Photonic Microsystems, V001T01A002, October 24–26, 2023
Publisher: American Society of Mechanical Engineers
Paper No: IPACK2023-110587
https://doi.org/10.1115/IPACK2023-110587
View Paper titled, Methodology to Characterize Row Manifolds for High Power Direct to Chip Liquid Cooling Data Centers
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Topics: Cooling, Data centers, Flow (Dynamics), Manifolds, Modeling
Proceedings Papers

A Numerical Study Comparing Forced and Natural Convection in a High-Density Single-Phase Immersed Cooled Server

Gautam Gupta, Vivek Nair, Pratik Bansode, Rohit Suthar, Sai Abhideep Pundla, Joseph Herring, Jacob Lamotte-Dawaghreh, Krishna Bhavana Sivaraju, Dereje Agonafer, Poornima Mynampati, Mike Sweeney
Proc. ASME. InterPACK2023, ASME 2023 International Technical Conference and Exhibition on Packaging and Integration of Electronic and Photonic Microsystems, V001T01A014, October 24–26, 2023
Publisher: American Society of Mechanical Engineers
Paper No: IPACK2023-112065
https://doi.org/10.1115/IPACK2023-112065
View Paper titled, A Numerical Study Comparing Forced and Natural Convection in a High-Density Single-Phase Immersed Cooled Server
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Topics: Cooling, Density, Forced convection, Natural convection
Proceedings Papers

Energy Analysis of Rear Door Heat Exchangers in Data Centers With Spatial Workload Distribution

Vibin Shalom Simon, Saket Karajgikar, Veerendra Mulay, Sai Abhideep Pundla, Krishna Bhavana Sivaraju, Gautam Gupta, Pratik Bansode, Dereje Agonafer
Proc. ASME. InterPACK2023, ASME 2023 International Technical Conference and Exhibition on Packaging and Integration of Electronic and Photonic Microsystems, V001T01A015, October 24–26, 2023
Publisher: American Society of Mechanical Engineers
Paper No: IPACK2023-112078
https://doi.org/10.1115/IPACK2023-112078
View Paper titled, Energy Analysis of Rear Door Heat Exchangers in Data Centers With Spatial Workload Distribution
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Topics: Cooling, Data centers, Doors, Heat exchangers
Proceedings Papers

Impact of Immersion Cooling on Thermomechanical Properties of Halogen-Free Substrate Core

Pratik Bansode, Mohan Sai Ramalingam, Rohit Suthar, Rabin Bhandari, Akshay Boovanahally Lakshminarayana, Gautam Gupta, Vibin Shalom Simon, Himanshu Modi, Vivek Nair, Krishna Bhavana Sivaraju, Pardeep Shahi, Satyam Saini, Dereje Agonafer
Proc. ASME. InterPACK2023, ASME 2023 International Technical Conference and Exhibition on Packaging and Integration of Electronic and Photonic Microsystems, V001T02A004, October 24–26, 2023
Publisher: American Society of Mechanical Engineers
Paper No: IPACK2023-111056
https://doi.org/10.1115/IPACK2023-111056
View Paper titled, Impact of Immersion Cooling on Thermomechanical Properties of Halogen-Free Substrate Core
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Topics: Cooling, Thermomechanics
Proceedings Papers

Compact Modeling and Thermal Analysis of Immersion Based Hybrid Cooled Server

Vibin Shalom Simon, Bhavana Reddy Mandadi, Pardeep Shahi, Himanshu Modi, Pratik Vithoba Bansode, Dereje Agonafer
Proc. ASME. InterPACK2023, ASME 2023 International Technical Conference and Exhibition on Packaging and Integration of Electronic and Photonic Microsystems, V001T01A016, October 24–26, 2023
Publisher: American Society of Mechanical Engineers
Paper No: IPACK2023-112084
https://doi.org/10.1115/IPACK2023-112084
View Paper titled, Compact Modeling and Thermal Analysis of Immersion Based Hybrid Cooled Server
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Topics: Cloud computing, Computational fluid dynamics, Coolants, Cooling, Cooling systems, Data centers, Design, Electronic components, Electronics, Energy consumption
Proceedings Papers

Experimental and CFD Analysis of a Rack Manifold for High Power Density Liquid-Cooled Rack

Pardeep Shahi, Ali Heydari, Pratik Bansode, Ashwin Siddarth, Uschas Chowdhury, Harold Miyamura, Himanshu Modi, Dereje Agonafer, Mohammad Tradat, Jeremy Rodriguez
Proc. ASME. InterPACK2023, ASME 2023 International Technical Conference and Exhibition on Packaging and Integration of Electronic and Photonic Microsystems, V001T01A018, October 24–26, 2023
Publisher: American Society of Mechanical Engineers
Paper No: IPACK2023-114351
https://doi.org/10.1115/IPACK2023-114351
View Paper titled, Experimental and CFD Analysis of a Rack Manifold for High Power Density Liquid-Cooled Rack
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Topics: Computational fluid dynamics, Cooling, Data centers, Flow (Dynamics), Manifolds, Power density
Proceedings Papers

Electrochemical Additive Manufacturing Based Design of a Heat Sink for Single Phase Natural Convection Immersion Cooling Application

Jacob Lamotte-Dawaghreh, Joseph Herring, Sai Pundla, Rohit Suthar, Vivek Nair, Pratik Bansode, Gautam Gupta, Dereje Agonafer, Joseph Madril, Tim Ouradnik, Michael Matthews, Ian Winfield
Proc. ASME. InterPACK2023, ASME 2023 International Technical Conference and Exhibition on Packaging and Integration of Electronic and Photonic Microsystems, V001T01A006, October 24–26, 2023
Publisher: American Society of Mechanical Engineers
Paper No: IPACK2023-111804
https://doi.org/10.1115/IPACK2023-111804
View Paper titled, Electrochemical Additive Manufacturing Based Design of a Heat Sink for Single Phase Natural Convection Immersion Cooling Application
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Topics: Additive manufacturing, Cooling, Design, Heat sinks, Natural convection
Proceedings Papers

Single Phase Immersion Cooling for Hyper Scale Data Centers: Challenges and Opportunities

Dereje Agonafer, Pratik Bansode, Satyam Saini, Jessica Gullbrand, Ashish Gupta
Proc. ASME. HT2023, ASME 2023 Heat Transfer Summer Conference, V001T16A008, July 10–12, 2023
Publisher: American Society of Mechanical Engineers
Paper No: HT2023-107598
https://doi.org/10.1115/HT2023-107598
View Paper titled, Single Phase Immersion Cooling for Hyper Scale Data Centers: Challenges and Opportunities
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Topics: Cooling, Data centers
Proceedings Papers

The LVEL Turbulence Model for Conjugate Heat Transfer at Low Reynolds Numbers

Dereje Agonafer, Liao Gan-Li, D. Brian Spalding
Proc. ASME. IMECE96, Application of CAE/CAD to Electronic Systems, 23-26, November 17–22, 1996
Publisher: American Society of Mechanical Engineers
Paper No: IMECE1996-0998
https://doi.org/10.1115/IMECE1996-0998
View Paper titled, The LVEL Turbulence Model for Conjugate Heat Transfer at Low Reynolds Numbers
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Topics: Heat transfer, Reynolds number, Turbulence, Computer cooling, Geometry
Proceedings Papers

Comparative Study of Single-Phase Immersion Cooled Two Socket Server in Tank and Sled Configurations

Krishna Bhavana Sivaraju, Pratik Bansode, Gautam Gupta, Jacob Lamotte-Dawaghreh, Satyam Saini, Vibin Simon, Joseph Herring, II, Saket Karajgikar, Veerendra Mulay, Dereje Agonafer
Proc. ASME. InterPACK2022, ASME 2022 International Technical Conference and Exhibition on Packaging and Integration of Electronic and Photonic Microsystems, V001T01A010, October 25–27, 2022
Publisher: American Society of Mechanical Engineers
Paper No: IPACK2022-97429
https://doi.org/10.1115/IPACK2022-97429
View Paper titled, Comparative Study of Single-Phase Immersion Cooled Two Socket Server in Tank and Sled Configurations
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Topics: Building renovation, Computational fluid dynamics, Coolants, Cooling, Data centers, Flow (Dynamics), Fluids, Geometry, Heat, Heat transfer
Proceedings Papers

A Control Strategy for Minimizing Temperature Fluctuations in High Power Liquid to Liquid CDUs Operated at Very Low Heat Loads

Ali Heydari, Pardeep Shahi, Vahideh Radmard, Bahareh Eslami, Uschas Chowdhury, Chandraprakash Hinge, Lochan Sai Reddy Cinthaparthy, Harold Miyamura, Himanshu Modi, Dereje Agonafer, Jeremy Rodriguez
Proc. ASME. InterPACK2022, ASME 2022 International Technical Conference and Exhibition on Packaging and Integration of Electronic and Photonic Microsystems, V001T01A011, October 25–27, 2022
Publisher: American Society of Mechanical Engineers
Paper No: IPACK2022-97434
https://doi.org/10.1115/IPACK2022-97434
View Paper titled, A Control Strategy for Minimizing Temperature Fluctuations in High Power Liquid to Liquid CDUs Operated at Very Low Heat Loads
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Topics: Coolants, Cooling, Data centers, Fluctuations (Physics), Heat, Plates (structures), Stress, Temperature, Failure, Flow control
Proceedings Papers

Transient CFD Analysis of Dynamic Liquid-Cooling Implementation at Rack Level

Himanshu Modi, Pardeep Shahi, Akiilessh Sivakumar, Satyam Saini, Pratik Bansode, Vibin Shalom, Amrutha Valli Rachakonda, Gautam Gupta, Dereje Agonafer
Proc. ASME. InterPACK2022, ASME 2022 International Technical Conference and Exhibition on Packaging and Integration of Electronic and Photonic Microsystems, V001T01A012, October 25–27, 2022
Publisher: American Society of Mechanical Engineers
Paper No: IPACK2022-97443
https://doi.org/10.1115/IPACK2022-97443
View Paper titled, Transient CFD Analysis of Dynamic Liquid-Cooling Implementation at Rack Level
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Topics: Computational fluid dynamics, Cooling, Transient analysis, Transients (Dynamics)