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Proceedings Papers

The Effectiveness of Porous Squeeze Film Dampers for Suppressing Nonsynchronous Motions

Shiping Zhang, Litang Yan, Qihan Li, Yoshihiko Kawazoe
Proc. ASME. DETC91, 13th Biennial Conference on Mechanical Vibration and Noise: Rotating Machinery and Vehicle Dynamics, 229-236, September 22–25, 1991
Publisher: American Society of Mechanical Engineers
Paper No: DETC1991-0250
https://doi.org/10.1115/DETC1991-0250
View Paper titled, The Effectiveness of Porous Squeeze Film Dampers for Suppressing Nonsynchronous Motions
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Topics: Dampers, Rotors, Springs, Permeability, Whirls
Proceedings Papers

Investigation of the Steady-State Response of a Dual-Rotor System With Inter-Shaft Squeeze Film Damper

Qihan Li, Litang Yan, James F. Hamilton
Proc. ASME. IGT1985, Volume 4: Manufacturing Materials and Metallurgy; Ceramics; Structures and Dynamics; Controls, Diagnostics and Instrumentation; Process Industries; Technology Resources; General, V004T09A003, September 1–7, 1985
Publisher: American Society of Mechanical Engineers
Paper No: 85-IGT-39
https://doi.org/10.1115/85-IGT-39
View Paper titled, Investigation of the Steady-State Response of a Dual-Rotor System With Inter-Shaft Squeeze Film Damper
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Topics: Dampers, Rotors, Steady state, Bearings, Damping, Gas turbines, Rotation
Proceedings Papers

Investigation of the Transient Response of a Dual-Rotor System With Intershaft Squeeze Film Damper

Qihan Li, James F. Hamilton
Proc. ASME. IGT1985, Volume 4: Manufacturing Materials and Metallurgy; Ceramics; Structures and Dynamics; Controls, Diagnostics and Instrumentation; Process Industries; Technology Resources; General, V004T09A002, September 1–7, 1985
Publisher: American Society of Mechanical Engineers
Paper No: 85-IGT-38
https://doi.org/10.1115/85-IGT-38
View Paper titled, Investigation of the Transient Response of a Dual-Rotor System With Intershaft Squeeze Film Damper
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Topics: Dampers, Rotors, Transients (Dynamics), Damping, Dynamics (Mechanics), Gas turbines, High pressure (Physics), Stability, Turbines
Proceedings Papers

Experiments on the Blade Loss Transient Response of Rotor With Flexible Damped Support

Qihan Li, Shiping Zhang, Litang Yan, Fuan Zhao
Proc. ASME. GT1991, Volume 5: Manufacturing Materials and Metallurgy; Ceramics; Structures and Dynamics; Controls, Diagnostics and Instrumentation; Education; IGTI Scholar Award; General, V005T14A021, June 3–6, 1991
Publisher: American Society of Mechanical Engineers
Paper No: 91-GT-149
https://doi.org/10.1115/91-GT-149
View Paper titled, Experiments on the Blade Loss Transient Response of Rotor With Flexible Damped Support
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Topics: Blades, Rotors, Transients (Dynamics), Dampers, Dynamics (Mechanics), Locks (Waterways)
Proceedings Papers

Vibration of a Rotor With Extremely Nonlinear Stiffness Passing Through Critical Speeds

Baojiang Liu, Litang Yan, Qihan Li, Zigen Zhu
Proc. ASME. GT1993, Volume 2: Combustion and Fuels; Oil and Gas Applications; Cycle Innovations; Heat Transfer; Electric Power; Industrial and Cogeneration; Ceramics; Structures and Dynamics; Controls, Diagnostics and Instrumentation; IGTI Scholar Award, V002T12A001, May 24–27, 1993
Publisher: American Society of Mechanical Engineers
Paper No: 93-GT-027
https://doi.org/10.1115/93-GT-027
View Paper titled, Vibration of a Rotor With Extremely Nonlinear Stiffness Passing Through Critical Speeds
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Topics: Rotors, Stiffness, Vibration, Springs, Transients (Dynamics), Computers, Damping, Emission spectroscopy, Rotor vibration, Spectroscopy
Proceedings Papers

Vibration Control of a Rotor System Utilizing a Bearing Housing With Controllable Spring Nonlinearity

Baojiang Liu, Litang Yan, Qihan Li, Zigen Zhu
Proc. ASME. GT1994, Volume 5: Manufacturing Materials and Metallurgy; Ceramics; Structures and Dynamics; Controls, Diagnostics and Instrumentation; Education; General, V005T14A007, June 13–16, 1994
Publisher: American Society of Mechanical Engineers
Paper No: 94-GT-060
https://doi.org/10.1115/94-GT-060
View Paper titled, Vibration Control of a Rotor System Utilizing a Bearing Housing With Controllable Spring Nonlinearity
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Topics: Bearings, Rotors, Springs, Vibration control, Vibration, Dampers, Hardening, Locks (Waterways), Nonlinear vibration
Proceedings Papers

Dynamic Characteristics Analysis of Complex Rotor–Support–Case System

Mingda Hua, Qihan Li, Jinxin Mao
Proc. ASME. GT1995, Volume 5: Manufacturing Materials and Metallurgy; Ceramics; Structures and Dynamics; Controls, Diagnostics and Instrumentation; Education; IGTI Scholar Award, V005T14A023, June 5–8, 1995
Publisher: American Society of Mechanical Engineers
Paper No: 95-GT-253
https://doi.org/10.1115/95-GT-253
View Paper titled, Dynamic Characteristics Analysis of Complex Rotor–Support–Case System
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Topics: Rotors, Dampers, Transients (Dynamics), Design, Steady state, Vibration
Journal Articles

Mistuning Forced Response Characteristics Analysis of Mistuned Bladed Disks

Haitao Liao, Jianjun Wang, Jianyao Yao, Qihan Li
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research Papers
J. Eng. Gas Turbines Power. December 2010, 132(12): 122501.
https://doi.org/10.1115/1.4001054
Published Online: August 20, 2010
View Article titled, Mistuning Forced Response Characteristics Analysis of Mistuned Bladed Disks
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Topics: Blades, Disks, Magnification, Optimization, Rotors, Vibration
Journal Articles

Frequency Response Characteristics of Parametrically Excited System

Qinkai Han, Jianjun Wang, Qihan Li
Journal: Journal of Vibration and Acoustics
Publisher: ASME
Article Type: Research Papers
J. Vib. Acoust. August 2010, 132(4): 041004.
https://doi.org/10.1115/1.4000772
Published Online: May 20, 2010
View Article titled, Frequency Response Characteristics of Parametrically Excited System
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Topics: Damping, Excitation, Fourier series, Frequency response, Gears, Resonance, Stiffness, Theorems (Mathematics), Stability, Vibration
Proceedings Papers

On the Individual and Combined Effects of Intentional Mistuning, Coupling and Damping on the Forced Response of Bladed Disks

Changbo Yu, Jianjun Wang, Qihan Li
Proc. ASME. GT2008, Volume 5: Structures and Dynamics, Parts A and B, 493-499, June 9–13, 2008
Publisher: American Society of Mechanical Engineers
Paper No: GT2008-50960
https://doi.org/10.1115/GT2008-50960
View Paper titled, On the Individual and Combined Effects of Intentional Mistuning, Coupling and Damping on the Forced Response of Bladed Disks
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Topics: Damping, Disks, Blades, High cycle fatigue, Failure, Stiffness
Journal Articles

Robustness Analysis of Mistuned Bladed Disk Using the Upper Bound of Structured Singular Value

Jianyao Yao, Jianjun Wang, Qihan Li
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research Papers
J. Eng. Gas Turbines Power. May 2009, 131(3): 032501.
https://doi.org/10.1115/1.3018942
Published Online: January 29, 2009
View Article titled, Robustness Analysis of Mistuned Bladed Disk Using the Upper Bound of Structured Singular Value
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Topics: Disks, Robustness, Stability
Journal Articles

The Effectiveness of Porous Squeeze Film Dampers for Suppressing Nonsynchronous Motions

Shiping Zhang, Litang Yan, Qihan Li
Journal: Journal of Vibration and Acoustics
Publisher: ASME
Article Type: Research Papers
J. Vib. Acoust. January 1993, 115(1): 16–18.
https://doi.org/10.1115/1.2930307
Published Online: January 1, 1993
View Article titled, The Effectiveness of Porous Squeeze Film Dampers for Suppressing Nonsynchronous Motions
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Topics: Dampers
Journal Articles

Development of Porous Squeeze Film Damper Bearings for Improving the Blade Loss Dynamics of Rotor-Support Systems

Shiping Zhang, Litang Yan, Qihan Li
Journal: Journal of Vibration and Acoustics
Publisher: ASME
Article Type: Research Papers
J. Vib. Acoust. July 1992, 114(3): 347–353.
https://doi.org/10.1115/1.2930268
Published Online: July 1, 1992
View Article titled, Development of Porous Squeeze Film Damper Bearings for Improving the Blade Loss Dynamics of Rotor-Support Systems
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Topics: Bearings, Blades, Dampers, Dynamics (Mechanics), Rotors, Damping, Transients (Dynamics), Clearances (Engineering), Permeability, Rotor vibration
Journal Articles

Investigation of the Steady-State Response of a Dual-Rotor System With Intershaft Squeeze Film Damper

Qihan Li, Litang Yan, J. F. Hamilton
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research Papers
J. Eng. Gas Turbines Power. October 1986, 108(4): 605–612.
https://doi.org/10.1115/1.3239954
Published Online: October 1, 1986
View Article titled, Investigation of the Steady-State Response of a Dual-Rotor System With Intershaft Squeeze Film Damper
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Topics: Dampers, Rotors, Steady state, Bearings, Damping, Gas turbines, Rotation
Journal Articles

Investigation of the Transient Response of a Dual-Rotor System With Intershaft Squeeze-Film Damper

Qihan Li, J. F. Hamilton
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research Papers
J. Eng. Gas Turbines Power. October 1986, 108(4): 613–618.
https://doi.org/10.1115/1.3239955
Published Online: October 1, 1986
View Article titled, Investigation of the Transient Response of a Dual-Rotor System With Intershaft Squeeze-Film Damper
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Topics: Dampers, Rotors, Transients (Dynamics), Damping, Dynamics (Mechanics), Gas turbines, High pressure (Physics), Stability, Turbines