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Yuji Fujii
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Journal Articles

Heat Transfer in Squeeze-Film Flow Between Rotating Disks

Hiral Haria, Nikolaos D. Katopodes, Raj V. Lakhani, Masatoshi Miyagawa, Yutaka Sadaike, Yuji Fujii
Journal: Journal of Tribology
Publisher: ASME
Article Type: Research Papers
J. Tribol. January 2025, 147(1): 014601.
Paper No: TRIB-24-1164
https://doi.org/10.1115/1.4066206
Published Online: September 11, 2024
View Article titled, Heat Transfer in Squeeze-Film Flow Between Rotating Disks
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Topics: Disks, Flow (Dynamics), Fluids, Friction, Heat transfer, Temperature, Torque, Pressure, Rotating disks, Heat
Journal Articles

A Polynomial-Chaos-Based Multifidelity Approach to the Efficient Uncertainty Quantification of Online Simulations of Automotive Propulsion Systems

Hang Yang, Alex Gorodetsky, Yuji Fujii, K. W. Wang
Journal: Journal of Computational and Nonlinear Dynamics
Publisher: ASME
Article Type: Research-Article
J. Comput. Nonlinear Dynam. May 2022, 17(5): 051012.
Paper No: CND-21-1307
https://doi.org/10.1115/1.4053559
Published Online: March 15, 2022
View Article titled, A Polynomial-Chaos-Based Multifidelity Approach to the Efficient Uncertainty Quantification of Online Simulations of Automotive Propulsion Systems
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Topics: Chaos, Polynomials, Propulsion systems, Simulation, Torque, Uncertainty quantification, Engineering simulation, Uncertainty, Vehicles
Proceedings Papers

Multifidelity Uncertainty Quantification for Online Simulations of Automotive Propulsion Systems

Hang Yang, Alex Gorodetsky, Yuji Fujii, Kon-Well Wang
Proc. ASME. IDETC-CIE2021, Volume 9: 17th International Conference on Multibody Systems, Nonlinear Dynamics, and Control (MSNDC), V009T09A043, August 17–19, 2021
Publisher: American Society of Mechanical Engineers
Paper No: DETC2021-67585
https://doi.org/10.1115/DETC2021-67585
View Paper titled, Multifidelity Uncertainty Quantification for Online Simulations of Automotive Propulsion Systems
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Topics: Engineering simulation, Propulsion systems, Simulation, Uncertainty quantification, Chaos, Polynomials, Uncertainty, Errors, Modeling, Nonlinear systems
Journal Articles

Analysis of Improving Automatic Transmission Upshift Performance by Using Off-Going Clutch During Inertia Phase

Ivan Cvok, Vanja Ranogajec, Joško Deur, Yijing Zhang, Vladimir Ivanovic, Yuji Fujii
Journal: Journal of Dynamic Systems, Measurement, and Control
Publisher: ASME
Article Type: Research-Article
J. Dyn. Sys., Meas., Control. February 2022, 144(2): 021005.
Paper No: DS-21-1036
https://doi.org/10.1115/1.4052491
Published Online: October 28, 2021
View Article titled, Analysis of Improving Automatic Transmission Upshift Performance by Using Off-Going Clutch During Inertia Phase
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Topics: Engines, Inertia (Mechanics), Optimization, Torque, Dynamics (Mechanics), Torque converters
Proceedings Papers

Torque Phase Shift Control Based on Clutch Torque Estimation

Diana Yanakiev, Yuji Fujii, Eric Tseng, Gregory M. Pietron, Joseph Kucharski, Nimrod Kapas
Proc. ASME. DSCC2013, Volume 1: Aerial Vehicles; Aerospace Control; Alternative Energy; Automotive Control Systems; Battery Systems; Beams and Flexible Structures; Biologically-Inspired Control and its Applications; Bio-Medical and Bio-Mechanical Systems; Biomedical Robots and Rehab; Bipeds and Locomotion; Control Design Methods for Adv. Powertrain Systems and Components; Control of Adv. Combustion Engines, Building Energy Systems, Mechanical Systems; Control, Monitoring, and Energy Harvesting of Vibratory Systems, V001T11A004, October 21–23, 2013
Publisher: American Society of Mechanical Engineers
Paper No: DSCC2013-3868
https://doi.org/10.1115/DSCC2013-3868
View Paper titled, Torque Phase Shift Control Based on Clutch Torque Estimation
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Topics: Phase shift, Torque, Friction