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Akira Heya
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Journal Articles

An Extended Operational Modal Analysis Method Enabling the Separation of Whirling Direction Information in Rotating Machinery (Full Operational Modal Analysis Method)

Daiki Goto, Tsuyoshi Inoue, Shogo Kimura, Akira Heya, Shinsaku Nakamura, Yusuke Watanabe
Journal: Journal of Vibration and Acoustics
Publisher: ASME
Article Type: Research Papers
J. Vib. Acoust. February 2025, 147(1): 011006.
Paper No: VIB-24-1237
https://doi.org/10.1115/1.4067289
Published Online: December 12, 2024
View Article titled, An Extended Operational Modal Analysis Method Enabling the Separation of Whirling Direction Information in Rotating Machinery (Full Operational Modal Analysis Method)
Open the PDF for An Extended Operational Modal Analysis Method Enabling the Separation of Whirling Direction Information in Rotating Machinery (Full Operational Modal Analysis Method) in another window
Topics: Damping, Machinery, Modal analysis, Rotors, Signals, Whirls, Disks, Errors
Journal Articles

Influence of the Magnitude of the Taper Angle of Divergent and Convergent Tapered Annular Seals on the Stability of a Vertical Rotor-Seal System

Shogo Kimura, Tsuyoshi Inoue, Hiroo Taura, Akira Heya
Journal: Journal of Vibration and Acoustics
Publisher: ASME
Article Type: Research Papers
J. Vib. Acoust. August 2024, 146(4): 041005.
Paper No: VIB-24-1105
https://doi.org/10.1115/1.4066873
Published Online: October 30, 2024
View Article titled, Influence of the Magnitude of the Taper Angle of Divergent and Convergent Tapered Annular Seals on the Stability of a Vertical Rotor-Seal System
Open the PDF for Influence of the Magnitude of the Taper Angle of Divergent and Convergent Tapered Annular Seals on the Stability of a Vertical Rotor-Seal System in another window
Topics: Pressure, Rotors, Stability, Eigenvalues, Whirls, Fluids, Flow (Dynamics), Clearances (Engineering)
Journal Articles

Influence of Unbalance and Differential Pressure on the Stability of Vertical Rotor-Seal System

Shogo Kimura, Tsuyoshi Inoue, Hiroo Taura, Akira Heya
Journal: Journal of Computational and Nonlinear Dynamics
Publisher: ASME
Article Type: Research-Article
J. Comput. Nonlinear Dynam. July 2024, 19(7): 071004.
Paper No: CND-23-1294
https://doi.org/10.1115/1.4064725
Published Online: May 13, 2024
View Article titled, Influence of Unbalance and Differential Pressure on the Stability of Vertical Rotor-Seal System
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Topics: Pressure, Rotors, Stability, Fluids, Fluid structure interaction
Proceedings Papers

The Influence of Differential Pressure on Stability of Vertical Rotor-Seal System

Shogo Kimura, Tsuyoshi Inoue, Hiroo Taura, Akira Heya
Proc. ASME. IDETC-CIE2023, Volume 10: 19th International Conference on Multibody Systems, Nonlinear Dynamics, and Control (MSNDC), V010T10A006, August 20–23, 2023
Publisher: American Society of Mechanical Engineers
Paper No: DETC2023-114617
https://doi.org/10.1115/DETC2023-114617
View Paper titled, The Influence of Differential Pressure on Stability of Vertical Rotor-Seal System
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Topics: Fluid structure interaction, Pressure, Rotordynamics, Rotors, Stability
Proceedings Papers

Design and Nonlinear Analysis of 2-Body Centrifugal Pendulum Vibration Absorber for Suppression of Multiple Harmonic Frequencies in Torsional Vibration of Rotor System

Xingyu Zhou, Tsuyoshi Inoue, Akira Heya
Proc. ASME. IDETC-CIE2023, Volume 12: 35th Conference on Mechanical Vibration and Sound (VIB), V012T12A019, August 20–23, 2023
Publisher: American Society of Mechanical Engineers
Paper No: DETC2023-114618
https://doi.org/10.1115/DETC2023-114618
View Paper titled, Design and Nonlinear Analysis of 2-Body Centrifugal Pendulum Vibration Absorber for Suppression of Multiple Harmonic Frequencies in Torsional Vibration of Rotor System
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Topics: Design, Pendulums, Rotors, Vibration, Vibration absorbers, Dynamics (Mechanics), Electric vehicles, Gasoline, Hybrid electric vehicles, Multibody dynamics
Journal Articles

High-Precision Trajectory Tracking Control of a Multifrequency Whirling Orbit Using Adaptive Feedforward Cancellation for the Efficient Experimental Estimation of Fluid Force

Atsuhiro Ota, Shota Yabui, Tsuyoshi Inoue, Akira Heya
Journal: Journal of Dynamic Systems, Measurement, and Control
Publisher: ASME
Article Type: Technical Briefs
J. Dyn. Sys., Meas., Control. December 2022, 144(12): 124501.
Paper No: DS-22-1089
https://doi.org/10.1115/1.4055590
Published Online: September 27, 2022
View Article titled, High-Precision Trajectory Tracking Control of a Multifrequency Whirling Orbit Using Adaptive Feedforward Cancellation for the Efficient Experimental Estimation of Fluid Force
Open the PDF for High-Precision Trajectory Tracking Control of a Multifrequency Whirling Orbit Using Adaptive Feedforward Cancellation for the Efficient Experimental Estimation of Fluid Force in another window
Topics: Feedforward control, Fluids, Rotors, Tracking control, Whirls, Control systems, Rotation, Design