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Journal Articles

An Accelerating Sweep Frequency Excitation Method for the Rotordynamic Coefficients Identification of Annular Gas Seals Based on Computational Fluid Dynamics

Qianlei Gu, Jiangang Yang, Wanfu Zhang, Mingjie Zhang
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. September 2021, 143(9): 091021.
Paper No: GTP-20-1814
DOI: https://doi.org/10.1115/1.4051101
Published Online: June 17, 2021
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Topics: Computational fluid dynamics, Computer simulation, Damping, Excitation, Rotors, Transients (Dynamics), Whirls, Resolution (Optics), Dampers, Stiffness
Proceedings Papers

Rotordynamic Performance of the Interlocking Labyrinth Seal With a Tilting Rotor

Wanfu Zhang, Yingfei Wang, Qianlei Gu, Lu Yin, Jian-gang Yang
Proc. ASME. GT2020, Volume 10A: Structures and Dynamics, V10AT25A009, September 21–25, 2020
Paper No: GT2020-14314
DOI: https://doi.org/10.1115/GT2020-14314
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Topics: Rotors, Cavities, Stability, Flow (Dynamics), Clearances (Engineering), Damping, Deformation, Leakage flows, Numerical analysis, Pressure
Journal Articles

Rotordynamic Performance of the Interlocking Labyrinth Seal With a Tilting Rotor

Wanfu Zhang, Yingfei Wang, Qianlei Gu, Lu Yin, Jiangang Yang
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. January 2021, 143(1): 011012.
Paper No: GTP-20-1445
DOI: https://doi.org/10.1115/1.4048909
Published Online: January 4, 2021
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Topics: Cavities, Damping, Rotors, Whirls, Stability, Flow (Dynamics), Pressure, Stiffness
Journal Articles

The Static Instability Characteristics of Labyrinth Seals: Experiments and Computational Fluid Dynamics Verification

Wanfu Zhang, Kai Ma, Hao Cao, Tengxi Wang, Jiangang Yang, Chun Li
Journal: Journal of Vibration and Acoustics
Article Type: Research Papers
J. Vib. Acoust. August 2020, 142(4): 041005.
Paper No: VIB-19-1182
DOI: https://doi.org/10.1115/1.4046572
Published Online: March 30, 2020
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Topics: Clearances (Engineering), Computational fluid dynamics, Fluids, Pressure, Rotors, Stiffness, Stators
Journal Articles

Application of a Novel Rotordynamic Identification Method for Annular Seals With Arbitrary Elliptical Orbits and Eccentricities

Wanfu Zhang, Qianlei Gu, Jiangang Yang, Chun Li
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. September 2019, 141(9): 091016.
Paper No: GTP-19-1051
DOI: https://doi.org/10.1115/1.4044121
Published Online: July 12, 2019
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Topics: Damping, Flow (Dynamics), Fluids, Pressure, Rotors, Stiffness, Whirls, Computational fluid dynamics, Clearances (Engineering), Leakage