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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

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
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
Journal Articles

Characteristics of Self-Excited Vibration of Vertical Rotating Shaft System Considering Amplitude Dependent Nonlinearity of Sliding Bearing

Yusuke Watanabe, Tsuyoshi Inoue
Journal: Journal of Vibration and Acoustics
Publisher: ASME
Article Type: Research Papers
J. Vib. Acoust. April 2023, 145(2): 021008.
Paper No: VIB-22-1203
https://doi.org/10.1115/1.4055976
Published Online: November 2, 2022
View Article titled, Characteristics of Self-Excited Vibration of Vertical Rotating Shaft System Considering Amplitude Dependent Nonlinearity of Sliding Bearing
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Topics: Bearings, Vibration, Computer simulation, Rotors, Equilibrium (Physics)
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
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Topics: Feedforward control, Fluids, Rotors, Tracking control, Whirls, Control systems, Rotation, Design
Journal Articles

Numerical Evaluation and High-Speed Rotating Test on Circular Arc Spring Dampers for Centrifugal Compressors

Ryota Takeuchi, Hidetsugu Ishimaru, Hideaki Yamashita, Takahiko Inoue, Shota Yabui, Tsuyoshi Inoue
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. December 2021, 143(12): 121006.
Paper No: GTP-21-1342
https://doi.org/10.1115/1.4051986
Published Online: October 4, 2021
View Article titled, Numerical Evaluation and High-Speed Rotating Test on Circular Arc Spring Dampers for Centrifugal Compressors
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Topics: Bearings, Cavitation, Compressors, Dampers, Damping, Excitation, Fluids, Springs, Pressure, Stiffness
Proceedings Papers

Numerical Evaluation and High-Speed Rotating Test on Circular Arc Spring Dampers for Centrifugal Compressors

Ryota Takeuchi, Hidetsugu Ishimaru, Hideaki Yamashita, Takahiko Inoue, Shota Yabui, Tsuyoshi Inoue
Proc. ASME. GT2021, Volume 9A: Structures and Dynamics — Aerodynamics Excitation and Damping; Bearing and Seal Dynamics; Emerging Methods in Design and Engineering, V09AT24A012, June 7–11, 2021
Publisher: American Society of Mechanical Engineers
Paper No: GT2021-58979
https://doi.org/10.1115/GT2021-58979
View Paper titled, Numerical Evaluation and High-Speed Rotating Test on Circular Arc Spring Dampers for Centrifugal Compressors
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Topics: Compressors, Dampers, Springs, Bearings, Damping, Evaluation methods, Fluid films, Rotors, Stability, Cavitation
Journal Articles

Nonlinear Vibration Analysis of a Flexible Rotor Supported by a Flexure Pivot Tilting Pad Journal Bearing in Comparison to a Fixed Profile Journal Bearing With Experimental Verification

Nuntaphong Koondilogpiboon, Tsuyoshi Inoue
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. September 2021, 143(9): 091007.
Paper No: GTP-20-1468
https://doi.org/10.1115/1.4050367
Published Online: May 3, 2021
View Article titled, Nonlinear Vibration Analysis of a Flexible Rotor Supported by a Flexure Pivot Tilting Pad Journal Bearing in Comparison to a Fixed Profile Journal Bearing With Experimental Verification
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Topics: Bearings, Bifurcation, Journal bearings, Rotors, Limit cycles, Bending (Stress), Equilibrium (Physics)
Journal Articles

Experimental Evaluation of Dynamic Characteristics of Circular Arc Spring Dampers for Rotating Machinery

Ryota Takeuchi, Hidetsugu Ishimaru, Hideaki Yamashita, Shota Yabui, Tsuyoshi Inoue
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. June 2021, 143(6): 061008.
Paper No: GTP-20-1481
https://doi.org/10.1115/1.4049164
Published Online: March 15, 2021
View Article titled, Experimental Evaluation of Dynamic Characteristics of Circular Arc Spring Dampers for Rotating Machinery
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Topics: Dampers, Damping, Machinery, Shock absorbers, Springs, Stiffness, Excitation, Clearances (Engineering)
Journal Articles

Evaluation of Relationship Between Shape of a Rigid Body Unifilar Centrifugal Pendulum Vibration Absorber and Vibration Suppression Performance

Tsuyoshi Inoue, Ryota Okumura, Shota Yabui, Xiangyu Jiang
Journal: Journal of Vibration and Acoustics
Publisher: ASME
Article Type: Research Papers
J. Vib. Acoust. June 2021, 143(3): 031014.
Paper No: VIB-20-1119
https://doi.org/10.1115/1.4050273
Published Online: March 11, 2021
View Article titled, Evaluation of Relationship Between Shape of a Rigid Body Unifilar Centrifugal Pendulum Vibration Absorber and Vibration Suppression Performance
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Topics: Computer simulation, Dynamics (Mechanics), Frequency response, Inertia (Mechanics), Pendulums, Rotors, Shapes, Vibration, Vibration absorbers, Vibration suppression
Proceedings Papers

Internal Resonance Phenomena of an Asymmetrical Rotating Shaft: Critical Speed of Twice the Major Critical Speed

Yukio Ishida, Tsuyoshi Inoue
Proc. ASME. DETC99, Volume 7A: 17th Biennial Conference on Mechanical Vibration and Noise, 1641-1648, September 12–16, 1999
Publisher: American Society of Mechanical Engineers
Paper No: DETC99/VIB-8051
https://doi.org/10.1115/DETC99/VIB-8051
View Paper titled, Internal Resonance Phenomena of an Asymmetrical Rotating Shaft: Critical Speed of Twice the Major Critical Speed
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Topics: Resonance, Disks, Rotors, Springs, Vibration
Journal Articles

Track-Following Controller Design Using an Active Magnetic Bearing for Measurement of the Rotor Dynamics Coefficient of the Annular Seal

Shota Yabui, Hideyuki Inoue, Tsuyoshi Inoue
Journal: Journal of Dynamic Systems, Measurement, and Control
Publisher: ASME
Article Type: Research-Article
J. Dyn. Sys., Meas., Control. June 2021, 143(6): 061003.
Paper No: DS-19-1512
https://doi.org/10.1115/1.4049542
Published Online: February 1, 2021
View Article titled, Track-Following Controller Design Using an Active Magnetic Bearing for Measurement of the Rotor Dynamics Coefficient of the Annular Seal
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Topics: Control equipment, Control systems, Design, Measurement systems, Rotordynamics, Magnetic bearings, Frequency response, Whirls, Signals, Errors
Journal Articles

Two-Way Coupled Shooting Analysis of Fluid Force in the Annular Plain Seal and Vibration of the Rotor System

Yudai Kunori, Tsuyoshi Inoue, Kenjiro Miyake
Journal: Journal of Vibration and Acoustics
Publisher: ASME
Article Type: Research Papers
J. Vib. Acoust. October 2021, 143(5): 051006.
Paper No: VIB-20-1322
https://doi.org/10.1115/1.4049381
Published Online: January 18, 2021
View Article titled, Two-Way Coupled Shooting Analysis of Fluid Force in the Annular Plain Seal and Vibration of the Rotor System
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Topics: Errors, Fluids, Pressure, Rotors, Stability, Vibration, Flow (Dynamics), Clearances (Engineering)
Proceedings Papers

Numerical Investigation of Rotor and Journal Bearing Parameters on Nonlinear Vibration of a Highly Flexible Rotor Considering Journal Angular Motion With Experimental Verification

Nuntaphong Koondilogpiboon, Tsuyoshi Inoue
Proc. ASME. GT2020, Volume 10A: Structures and Dynamics, V10AT25A006, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-14254
https://doi.org/10.1115/GT2020-14254
View Paper titled, Numerical Investigation of Rotor and Journal Bearing Parameters on Nonlinear Vibration of a Highly Flexible Rotor Considering Journal Angular Motion With Experimental Verification
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Topics: Journal bearings, Nonlinear vibration, Rotors, Bearings, Bifurcation, Disks, Limit cycles, Degrees of freedom, Finite element analysis, Rolling bearings
Proceedings Papers

Experimental Evaluation of Dynamic Characteristics of Circular Arc Spring Dampers for Rotating Machinery

Ryota Takeuchi, Hidetsugu Ishimaru, Hideaki Yamashita, Shota Yabui, Tsuyoshi Inoue
Proc. ASME. GT2020, Volume 10B: Structures and Dynamics, V10BT29A014, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-15113
https://doi.org/10.1115/GT2020-15113
View Paper titled, Experimental Evaluation of Dynamic Characteristics of Circular Arc Spring Dampers for Rotating Machinery
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Topics: Dampers, Machinery, Springs, Damping, Design, Electrical discharge machining, Excitation, Fluid films, Shock absorbers, Vibration
Proceedings Papers

Vibration of an Asymmetrical Shaft With Gravity and Nonlinear Spring Characteristics

Yukio Ishida, Tsuyoshi Inoue, Jun Liu, Akihiro Suzuki
Proc. ASME. IDETC-CIE2001, Volume 6C: 18th Biennial Conference on Mechanical Vibration and Noise, 2797-2805, September 9–12, 2001
Publisher: American Society of Mechanical Engineers
Paper No: DETC2001/VIB-21629
https://doi.org/10.1115/DETC2001/VIB-21629
View Paper titled, Vibration of an Asymmetrical Shaft With Gravity and Nonlinear Spring Characteristics
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Topics: Gravity (Force), Springs, Vibration, Resonance, Stiffness, Bearings, Clearances (Engineering), Ball bearings, Equilibrium (Physics), Limit cycles
Proceedings Papers

Internal Resonance of the Jeffcott Rotor With Nonlinear Spring Characteristics

Yukio Ishida, Tsuyoshi Inoue
Proc. ASME. IDETC-CIE2001, Volume 6C: 18th Biennial Conference on Mechanical Vibration and Noise, 2321-2330, September 9–12, 2001
Publisher: American Society of Mechanical Engineers
Paper No: DETC2001/VIB-21576
https://doi.org/10.1115/DETC2001/VIB-21576
View Paper titled, Internal Resonance of the Jeffcott Rotor With Nonlinear Spring Characteristics
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Topics: Resonance, Rotors, Springs, Whirls, Disks, Machinery, Rotor vibration, Shapes
Journal Articles

Nonlinear Vibration Analysis of a Flexible Rotor Supported by a Journal Bearing Considering Journal Angular Motion

Nuntaphong Koondilogpiboon, Tsuyoshi Inoue
Journal: Journal of Computational and Nonlinear Dynamics
Publisher: ASME
Article Type: Research-Article
J. Comput. Nonlinear Dynam. September 2020, 15(9): 091002.
Paper No: CND-19-1415
https://doi.org/10.1115/1.4046735
Published Online: July 16, 2020
View Article titled, Nonlinear Vibration Analysis of a Flexible Rotor Supported by a Journal Bearing Considering Journal Angular Motion
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Topics: Bearings, Bifurcation, Journal bearings, Rotors, Limit cycles, Disks, Nonlinear vibration
Journal Articles

Nonlinear Vibration Prediction of a Highly Flexible Rotor Supported by an Axial Groove Journal Bearing Considering Journal Angular Whirling Motion

Nuntaphong Koondilogpiboon, Tsuyoshi Inoue
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. April 2020, 142(4): 041025.
Paper No: GTP-19-1360
https://doi.org/10.1115/1.4044761
Published Online: February 14, 2020
View Article titled, Nonlinear Vibration Prediction of a Highly Flexible Rotor Supported by an Axial Groove Journal Bearing Considering Journal Angular Whirling Motion
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Topics: Bearings, Journal bearings, Rotors, Whirls, Nonlinear vibration, Disks, Equilibrium (Physics)
Journal Articles

Analysis of Whirling Vibration Due to Morton Effect by Using Frequency Transfer Function Model in Journal Bearings

Shota Yabui, Jotaro Chiba, Takafumi Suzuki, Shigeyuki Tomimatsu, Tsuyoshi Inoue
Journal: Journal of Dynamic Systems, Measurement, and Control
Publisher: ASME
Article Type: Research-Article
J. Dyn. Sys., Meas., Control. April 2020, 142(4): 041010.
Paper No: DS-19-1340
https://doi.org/10.1115/1.4046105
Published Online: February 11, 2020
View Article titled, Analysis of Whirling Vibration Due to Morton Effect by Using Frequency Transfer Function Model in Journal Bearings
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Topics: Journal bearings, Transfer functions, Vibration, Frequency response, Modeling, Displacement