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Sreekant Narumanchi

Researcher VI-Mechanical Engineering

| 303-275-4062
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Sreekant Narumanchi leads NREL's power electronics and electric machines research, which focuses on systems for electric-drive vehicles that control the flow of electricity between the battery, motor, and other powertrain components. His areas of expertise include thermal management and reliability for power electronics and electric machines; development and thermal characterization of cooling technologies; and thermal, thermomechanical, and reliability modeling and characterization of interconnects, interfaces, and interface materials for power electronics packaging applications.

Research Interests

Heat transfer

Power electronics and electric motor thermal management

Packaging and reliability


Ph.D., Mechanical Engineering, Carnegie Mellon University

M.S., Mechanical Engineering, Washington State University

B.Tech., Mechanical Engineering, Indian Institute of Technology

Awards and Honors

Fellow, American Society of Mechanical Engineers (ASME) (2020)

General Chair, ASME InterPACK Conference (2019)

ASME Electronic and Photonic Packaging Division-K16 Clock Award (2018)

R&D 100 Award Wolfspeed Wide Bandgap Automotive Traction Inverter (2016)

ASME InterPACK Conference, Outstanding Paper Award (2013)

NREL Outstanding Business Collaboration Award (2013)

ASME Journal of Electronic Packaging Best Paper Award (2003)

Scientific Advisory Board, National Science Foundation Engineering Research Center, Power Optimization of Electro-Thermal Systems (three-year appointment)

Reviewer for the U.S. Department of Energy and several journals

Associate Editor, ASME Journal of Electronic Packaging

Featured Work

Ultracompliant Heterogeneous Copper−Tin Nanowire Arrays Making a Supersolder, Nano Letters (2018)

Guest Editorial: Special Section on InterPACK 2017-Part 1, Journal of Electronic Packaging (2018)

Guest Editorial: Special Section on InterPACK 2017-Part 2, Journal of Electronic Packaging (2018)

Chemically Linked Metal-Matrix Nanocomposites of Boron Nitride Nanosheets and Silver as Thermal Interface Materials, Nanotechnology (2018)

Experimental Characterization and Modeling of Thermal Resistance of Electric Machine Lamination Stacks, International Journal of Heat and Mass Transfer (2018)

Metallic Nanocomposites as Next-Generation Thermal Interface Materials, ITherm Conference (2017)

Local-Scale Simulations of Nucleate Boiling on Micrometer Featured Surfaces. Preprint. ASME Summer Heat Transfer Conference (2017)

Thermomechanical Modeling of Sintered Silver—A Fracture Mechanics-Based Approach: Extended Abstract, 13th International Conference and Exhibition on Device Packaging (2017)

Metal-Organic-Inorganic Nanocomposite Thermal Interface Materials with Ultralow Thermal Resistances, ACS Applied Materials and Interfaces (2017)

General Multilayer Heat Transfer Model for Optical-Based Thermal Characterization Techniques, International Journal of Heat and Mass Transfer (2016)

Thermal Management and Reliability of Power Electronics and Electric Machines, IEEE International Symposium on 3D Power Electronics Integration and Manufacturing (2016)

Evaluation of Performance and Opportunities for Improvements in Automotive Power Electronics Systems: Preprint, ITherm Conference (2016)

Reliability of Emerging Bonded Interface Materials for Large-Area Attachments, IEEE Transactions on Components, Packaging and Manufacturing Technology (2016)

General Multilayer Heat Transfer Model for Optical-Based Thermal Characterization Techniques, International Journal of Heat and Mass Transfer (2016)

View all NREL publications for Sreekant Narumanchi.