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Proceedings Papers

Static and Rotordynamic Characteristics for Two Novel Hole-Pattern Annular Liquid Seals With Circumferentially- /Axially- Oblique Hole Cavities

Zhi Fang, Zhigang Li, Jun Li, Zhenping Feng
Proc. ASME. GT2021, Volume 9A: Structures and Dynamics — Aerodynamics Excitation and Damping; Bearing and Seal Dynamics; Emerging Methods in Design and Engineering, V09AT24A013, June 7–11, 2021
Paper No: GT2021-58996
DOI: https://doi.org/10.1115/GT2021-58996
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Topics: Cavities, Leakage, Design, Abrasion, Manufacturing, Rotors, Transients (Dynamics), Bearings, Centrifugal pumps, Clearances (Engineering)
Proceedings Papers

Rotordynamic Characteristics of the Straight-Through Labyrinth Seal Based On the Applicability Analysis of Leakage Models Using Bulk-Flow Method

Tianhao Wang, Zhigang Li, Jun Li
Proc. ASME. GT2021, Volume 5B: Heat Transfer — General Interest; Internal Air Systems; Internal Cooling, V05BT15A015, June 7–11, 2021
Paper No: GT2021-59568
DOI: https://doi.org/10.1115/GT2021-59568
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Topics: Flow (Dynamics), Leakage, Pressure, Clearances (Engineering), Sealing (Process), Damping, Excitation, Fluids, Leakage flows, Rotors
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
Proceedings Papers

Numerical Investigation on the Static and Rotordynamic Characteristics for Two Types of Novel Mixed Helical Groove Seals

Zhi Fang, Zhigang Li, Jun Li, Zhenping Feng
Proc. ASME. GT2020, Volume 10A: Structures and Dynamics, V10AT25A036, September 21–25, 2020
Paper No: GT2020-16303
DOI: https://doi.org/10.1115/GT2020-16303
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Topics: Bearings, Cavities, Computational fluid dynamics, Dampers, Damping, Deformation, Drag (Fluid dynamics), Energy dissipation, Fluids, High pressure (Physics)
Proceedings Papers

A Novel Controlled-Motion Test Rig to Evaluate Effect of Synchronous and Subsynchronous Lateral Vibration on Reliability and Performance of Mechanical Seals in Pumps

Clay S. Norrbin, Adolfo Delgado
Proc. ASME. GT2020, Volume 10A: Structures and Dynamics, V10AT25A029, September 21–25, 2020
Paper No: GT2020-15749
DOI: https://doi.org/10.1115/GT2020-15749
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Topics: Pumps, Reliability, Vibration, Rotors, Whirls, Flow (Dynamics), Leakage, Mineral oil, Temperature, Clearances (Engineering)
Proceedings Papers

Investigation of Rotordynamic Coefficients of Gas Labyrinth Seals Using a Steady State CFD Approach

Casey Palanca, Abraham Engeda, Mike Cave
Proc. ASME. GT2020, Volume 10B: Structures and Dynamics, V10BT29A007, September 21–25, 2020
Paper No: GT2020-14822
DOI: https://doi.org/10.1115/GT2020-14822
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Topics: Computational fluid dynamics, Steady state, Rotors, Cavities, Clearances (Engineering), Compressors, Damping, Design, Flow (Dynamics), Gas compressors
Proceedings Papers

On the Leakage and Dynamic Force Coefficients of a Novel Stepped Shaft Pocket Damper Seal: Experimental and Numerical Verification

Jing Yang, Luis San Andrés, Xueliang Lu
Proc. ASME. GT2020, Volume 10A: Structures and Dynamics, V10AT25A002, September 21–25, 2020
Paper No: GT2020-14153
DOI: https://doi.org/10.1115/GT2020-14153
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Topics: Dampers, Leakage, Damping, Clearances (Engineering), Computational fluid dynamics, Rotors, Blades, Flow (Dynamics), Turbomachinery, Design
Proceedings Papers

A Method for Rotordynamic Force Prediction of a Centrifugal Compressor Impeller Front Cavity Using a Transient Whirling CFD Technique

Kevin Hoopes, J. Jeffrey Moore, Aaron Rimpel, Chris Kulhanek, Balaji Venkataraman
Proc. ASME. GT2019, Volume 7A: Structures and Dynamics, V07AT33A011, June 17–21, 2019
Paper No: GT2019-91904
DOI: https://doi.org/10.1115/GT2019-91904
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Topics: Cavities, Compressor impellers, Computational fluid dynamics, Transients (Dynamics), Whirls, Impellers, Modeling, Simulation, Stability
Proceedings Papers

Numerical Modeling of Static and Rotordynamic Characteristics for Three Types of Helically-Grooved Liquid Annular Seals

Zhigang Li, Zhi Fang, Jun Li, Zhenping Feng
Proc. ASME. GT2019, Volume 7B: Structures and Dynamics, V07BT34A020, June 17–21, 2019
Paper No: GT2019-90779
DOI: https://doi.org/10.1115/GT2019-90779
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Topics: Computer simulation, Leakage flows, Stators, Centrifugal pumps, Computational fluid dynamics, Drag (Fluid dynamics), Rotors, Damping, Fluids, Stiffness
Proceedings Papers

Rotordynamic Stability Evaluation With Constructed Forward Whirl Signals Based on Full Spectrum Technique: Numerical and Experimental Investigation

Qihang Li, Fulei Chu
Proc. ASME. GT2019, Volume 7A: Structures and Dynamics, V07AT33A006, June 17–21, 2019
Paper No: GT2019-90417
DOI: https://doi.org/10.1115/GT2019-90417
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Topics: Signals, Stability, Whirls, Excitation, Carbon capture and storage, Rotors, Signal processing, Actuators, Bearings, Compressors
Proceedings Papers

Numerical Comparison of Static and Rotordynamic Characteristics for a Grooved-Stator/Smooth-Rotor and a Smooth-Stator/Grooved-Rotor Liquid Annular Seals

Zhigang Li, Zhi Fang, Jun Li, Zhenping Feng
Proc. ASME. GT2019, Volume 7B: Structures and Dynamics, V07BT34A021, June 17–21, 2019
Paper No: GT2019-90781
DOI: https://doi.org/10.1115/GT2019-90781
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Topics: Rotors, Stators, Whirls, Computational fluid dynamics, Drag (Fluid dynamics), Leakage, Leakage flows, Pressure drop, Sealing (Process), Transients (Dynamics)
Proceedings Papers

Pump Grooved Seals: A CFD Approach to Improve Bulk-Flow Model Predictions

Tingcheng Wu, Luis San Andrés
Proc. ASME. GT2019, Volume 7B: Structures and Dynamics, V07BT34A015, June 17–21, 2019
Paper No: GT2019-90499
DOI: https://doi.org/10.1115/GT2019-90499
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Topics: Computational fluid dynamics, Flow (Dynamics), Pumps, Leakage, Rotors, Shapes, Clearances (Engineering), Damping, Pressure, Stators
Proceedings Papers

Model and Experimental Verification of the Dynamic Forced Performance of a Tightly Sealed Squeeze Film Damper Supplied With a Bubbly Mixture

Luis San Andrés, Bonjin Koo
Proc. ASME. GT2019, Volume 7B: Structures and Dynamics, V07BT34A010, June 17–21, 2019
Paper No: GT2019-90330
DOI: https://doi.org/10.1115/GT2019-90330
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Topics: Dampers, Pressure, Lubricants, Damping, Cycles, Flow (Dynamics), Inertia (Mechanics), Piston rings, Stiffness, Whirls
Proceedings Papers

Simulation, Test and Mitigation of 1/2X Forward Whirl Following Rotor Drop Onto Auxiliary Bearings

Xiao Kang, Alan Palazzolo
Proc. ASME. GT2019, Volume 7B: Structures and Dynamics, V07BT34A034, June 17–21, 2019
Paper No: GT2019-91645
DOI: https://doi.org/10.1115/GT2019-91645
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Topics: Bearings, Rotors, Simulation, Whirls, Vibration, Ball bearings, Simulation models, Spin (Aerodynamics), Dampers, Elastomers
Proceedings Papers

Leakage and Dynamic Force Coefficients of a Pocket Damper Seal Operating Under a Wet Gas Condition: Tests vs. Predictions

Jing Yang, Luis San Andrés, Xueliang Lu
Proc. ASME. GT2019, Volume 7B: Structures and Dynamics, V07BT34A011, June 17–21, 2019
Paper No: GT2019-90331
DOI: https://doi.org/10.1115/GT2019-90331
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Topics: Dampers, Leakage, Computational fluid dynamics, Flow (Dynamics), Damping, Rotors, Pressure, Stiffness, Excitation, Cavities
Proceedings Papers

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

Nuntaphong Koondilogpiboon, Tsuyoshi Inoue
Proc. ASME. GT2019, Volume 7B: Structures and Dynamics, V07BT34A024, June 17–21, 2019
Paper No: GT2019-90951
DOI: https://doi.org/10.1115/GT2019-90951
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Topics: Journal bearings, Nonlinear vibration, Rotors, Whirls, Disks, Bearings, Bifurcation, Ball bearings, Steady state
Proceedings Papers

Numerical Study of Deterministic Fluxes in Compressor Passages

Feng Wang, Mauro Carnevale, Luca di Mare
Proc. ASME. GT2018, Volume 2C: Turbomachinery, V02CT42A039, June 11–15, 2018
Paper No: GT2018-76668
DOI: https://doi.org/10.1115/GT2018-76668
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Topics: Compressors, Flux (Metallurgy), Flow (Dynamics), Computational fluid dynamics, Design, Reynolds-averaged Navier–Stokes equations, Stress, Whirls, Blades, Ducts
Proceedings Papers

Effects of Mushroom-Shaped Tooth Wear on the Leakage Performance and Rotordynamic Coefficients of Labyrinth Seals

Yaoxing Chen, Zhigang Li, Xin Yan, Jun Li
Proc. ASME. GT2018, Volume 5B: Heat Transfer, V05BT15A007, June 11–15, 2018
Paper No: GT2018-75147
DOI: https://doi.org/10.1115/GT2018-75147
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Topics: Leakage, Wear, Rotors, Clearances (Engineering), Damage, Stability, Cavities, Damping, Leakage flows, Transients (Dynamics)
Proceedings Papers

Numerical Investigation on the Leakage and Rotordynamic Characteristics for Three Types of Annular Gas Seals in Wet Gas Conditions

Zhigang Li, Zhi Fang, Jun Li
Proc. ASME. GT2018, Volume 5B: Heat Transfer, V05BT15A008, June 11–15, 2018
Paper No: GT2018-75150
DOI: https://doi.org/10.1115/GT2018-75150
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Topics: Leakage, Leakage flows, Compressors, Dampers, Damping, Rotors, Transients (Dynamics), Computational fluid dynamics, Pressure, Sealing (Process)
Proceedings Papers

Experimental Force Coefficients for Two Sealed Ends Squeeze Film Dampers (Piston Rings and O-Rings): An Assessment of Their Similarities and Differences

Luis San Andrés, Bonjin Koo, Sung-Hwa Jeung
Proc. ASME. GT2018, Volume 7B: Structures and Dynamics, V07BT34A032, June 11–15, 2018
Paper No: GT2018-76224
DOI: https://doi.org/10.1115/GT2018-76224
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Topics: Dampers, Piston rings, Seals, Pressure, Damping, Lubricants, Inertia (Mechanics), Bearings, Cavitation, Flow (Dynamics)