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Proceedings Papers

Steam Whirl Detection and Correction in 135 MW Steam Turbine

Roengchai Chumai, Pisut Lertsongkram, Nuntaphong Koondilogpiboon
Proc. ASME. GT2024, Volume 9: Manufacturing Materials and Metallurgy; Microturbines, Turbochargers, and Small Turbomachines; Oil & Gas Applications; Steam Turbine, V009T20A015, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-128518
https://doi.org/10.1115/GT2024-128518
View Paper titled, Steam Whirl Detection and Correction in 135 MW Steam Turbine
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Topics: Steam, Steam turbines, Whirls
Proceedings Papers

A Wide-Bandwidth and High-Resolution Identification Method for the Dynamic Characteristics of Annular Gas Seals Using Hilbert Transform

Tianhao Wang, Zhigang Li, Jun Li
Proc. ASME. GT2024, Volume 10A: Structures and Dynamics — Aerodynamics Excitation and Damping; Bearing and Seal Dynamics; Emerging Methods in Engineering Design, Analysis, and Additive Manufacturing, V10AT22A012, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-126191
https://doi.org/10.1115/GT2024-126191
View Paper titled, A Wide-Bandwidth and High-Resolution Identification Method for the Dynamic Characteristics of Annular Gas Seals Using Hilbert Transform
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Topics: Resolution (Optics), Time-frequency analysis, Whirls, Computational fluid dynamics, Rotors, Signals, Clearances (Engineering), Dampers, Deformation, Excitation
Proceedings Papers

Experimental and Analytical Investigation of Labyrinth Seal Packing Ring Behavior in Contact With a Whirling Rotor

Tomohiko Tsukuda, Yoshifumi Iwasaki, Shogo Iwai, Tsuguhisa Tashima
Proc. ASME. GT2024, Volume 9: Manufacturing Materials and Metallurgy; Microturbines, Turbochargers, and Small Turbomachines; Oil & Gas Applications; Steam Turbine, V009T20A002, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-122313
https://doi.org/10.1115/GT2024-122313
View Paper titled, Experimental and Analytical Investigation of Labyrinth Seal Packing Ring Behavior in Contact With a Whirling Rotor
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Topics: Packing (Shipments), Packings (Cushioning), Rotors, Whirls, Temperature, Equations of motion, Springs, Heat, Rotor vibration, Steam turbines
Proceedings Papers

Experimental Investigation of Rotor Vibration Induced by Rotor-Stator Rubbing With Soft Coating

Ruixian Ma, Xinliang Lei, Wen Wang, Mingfu Liao
Proc. ASME. GT2024, Volume 10B: Structures and Dynamics — Fatigue, Fracture, and Life Prediction; Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V10BT26A023, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-129585
https://doi.org/10.1115/GT2024-129585
View Paper titled, Experimental Investigation of Rotor Vibration Induced by Rotor-Stator Rubbing With Soft Coating
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Topics: Aircraft engines, Coating processes, Coatings, Rotor vibration, Rotors, Stators, Vibration, Whirls
Proceedings Papers

Damping Phenomena in Rotating Machines: A Focus on Rotor Damping With Synchronous and Asynchronous Excitation

Francesco D’Alessandro, Florian Garnier, Damien Guivarch, Amit Zutshi, Weize Kang, Manoj Kunnil, Payyoor Narayanan, Mark Robinson, J. S. Kumar, Jianming Cao, Ted Rose
Proc. ASME. GT2024, Volume 10B: Structures and Dynamics — Fatigue, Fracture, and Life Prediction; Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V10BT26A010, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-125865
https://doi.org/10.1115/GT2024-125865
View Paper titled, Damping Phenomena in Rotating Machines: A Focus on Rotor Damping With Synchronous and Asynchronous Excitation
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Topics: Damping, Excitation, Machinery, Rotors, Aircraft engines, Computer software, Rotation, Vibration, Whirls, Aerospace industry
Proceedings Papers

Pulsations and Vibrations in the Discharge Piping of a Throttled Supercritical CO 2 Turbine

Jason Wilkes, Abhay Patil, Jon Bygrave
Proc. ASME. GT2024, Volume 11: Supercritical CO2, V011T28A036, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-128951
https://doi.org/10.1115/GT2024-128951
View Paper titled, Pulsations and Vibrations in the Discharge Piping of a Throttled Supercritical CO 2 Turbine
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Topics: Pipes, Supercritical carbon dioxide, Turbines, Vibration, Computational fluid dynamics, Design, Flow (Dynamics), Testing, Whirls, Boundary-value problems
Proceedings Papers

Dynamic Prediction of Elastic-Supported Rotor With Friction Damper Based on 3D Contact Model

Yu Fan, Shengshuo Wang, Yaguang Wu, Shanzi Zhang, Yiwen Shen, Mingmin Chen
Proc. ASME. GT2024, Volume 10B: Structures and Dynamics — Fatigue, Fracture, and Life Prediction; Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V10BT26A009, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-125492
https://doi.org/10.1115/GT2024-125492
View Paper titled, Dynamic Prediction of Elastic-Supported Rotor With Friction Damper Based on 3D Contact Model
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Topics: Dampers, Dry friction, Friction, Rotors, Vibration, Aircraft engines, Damping, Dimensions, Finite element model, Fluctuations (Physics)
Proceedings Papers

Leakage and Rotordynamic Force Coefficients of a Labyrinth Seal and a Pocket Damper Seal Operating With Wet Gas

Jose Torres, Luis San Andrés
Proc. ASME. GT2023, Volume 11A: Structures and Dynamics — Aerodynamics Excitation and Damping; Bearing and Seal Dynamics, V11AT22A002, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-100555
https://doi.org/10.1115/GT2023-100555
View Paper titled, Leakage and Rotordynamic Force Coefficients of a Labyrinth Seal and a Pocket Damper Seal Operating With Wet Gas
Open the PDF for Leakage and Rotordynamic Force Coefficients of a Labyrinth Seal and a Pocket Damper Seal Operating With Wet Gas in another window
Topics: Dampers, Leakage, Clearances (Engineering), Damping, Uncertainty, Cavities, Compressors, Design, Engineers, Errors
Proceedings Papers

A Radio Frequency Polarimetry Sensor for Monitoring Rotor Shaft Position

Yuko Inoue, Luis E. Perez, Thomas G. Pratt, Scott C. Morris
Proc. ASME. GT2023, Volume 4: Controls, Diagnostics, and Instrumentation, V004T05A013, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-102059
https://doi.org/10.1115/GT2023-102059
View Paper titled, A Radio Frequency Polarimetry Sensor for Monitoring Rotor Shaft Position
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Topics: Artificial neural networks, Polarimetry, Rotors, Sensors, Whirls
Proceedings Papers

A Full Three-Dimensional Transient Fluid-Structure Interaction Model for the Dynamic Characteristics Predictions of Bump-Type Gas Foil Journal Bearings

Zhuocong Li, Zhigang Li, Jun Li
Proc. ASME. GT2023, Volume 11A: Structures and Dynamics — Aerodynamics Excitation and Damping; Bearing and Seal Dynamics, V11AT22A019, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-102802
https://doi.org/10.1115/GT2023-102802
View Paper titled, A Full Three-Dimensional Transient Fluid-Structure Interaction Model for the Dynamic Characteristics Predictions of Bump-Type Gas Foil Journal Bearings
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Topics: Fluid structure interaction, Journal bearings, Rotors, Transients (Dynamics), Whirls
Proceedings Papers

Measured Leakage and Rotordynamic Force Coefficients for Two Liquid Annular Seal Configurations: Smooth-Rotor/Grooved-Stator Versus Grooved-Rotor/Smooth-Stator

Dara W. Childs, Jing Yang, Luis San Andrés, Jose M. Torres Rueda, J. Alex Moreland
Proc. ASME. GT2022, Volume 8A: Structures and Dynamics — Aerodynamics Excitation and Damping; Bearing and Seal Dynamics; Emerging Methods in Engineering Design, Analysis, and Additive Manufacturing; Fatigue, Fracture, and Life Prediction, V08AT22A004, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-80073
https://doi.org/10.1115/GT2022-80073
View Paper titled, Measured Leakage and Rotordynamic Force Coefficients for Two Liquid Annular Seal Configurations: Smooth-Rotor/Grooved-Stator Versus Grooved-Rotor/Smooth-Stator
Open the PDF for Measured Leakage and Rotordynamic Force Coefficients for Two Liquid Annular Seal Configurations: Smooth-Rotor/Grooved-Stator Versus Grooved-Rotor/Smooth-Stator in another window
Topics: Leakage, Rotors, Stators, Damping, Geometry, Pressure, Pumps, Stability, Brakes, Clearances (Engineering)
Proceedings Papers

Mixed Whirl Modes in Numerical Rotordynamics Analysis

Konrad Juethner, Ted Rose, J. S. Kumar, Jianming Cao, Gregory M. Savela, Chris J. Zuck, Parag H. Mathuria
Proc. ASME. GT2022, Volume 8B: Structures and Dynamics — Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V08BT26A004, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-79755
https://doi.org/10.1115/GT2022-79755
View Paper titled, Mixed Whirl Modes in Numerical Rotordynamics Analysis
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Topics: Rotordynamics, Whirls, Rotors, Design, Eigenvalues, Stability, Algorithms, Economics , Fatigue, Finite element analysis
Proceedings Papers

A Comparison of Static and Rotordynamic Characteristics for Three Types of Impeller Front Seals in a Liquid Oxygen Turbopump

Zhihong Jin, Zhigang Li, Jun Li
Proc. ASME. GT2022, Volume 8A: Structures and Dynamics — Aerodynamics Excitation and Damping; Bearing and Seal Dynamics; Emerging Methods in Engineering Design, Analysis, and Additive Manufacturing; Fatigue, Fracture, and Life Prediction, V08AT22A016, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-82556
https://doi.org/10.1115/GT2022-82556
View Paper titled, A Comparison of Static and Rotordynamic Characteristics for Three Types of Impeller Front Seals in a Liquid Oxygen Turbopump
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Topics: Impellers, Oxygen, Leakage, Rotors, Computational fluid dynamics, Dampers, Fluids, Stability, Stators, Stress
Proceedings Papers

Semi-Analytical Model for High-Speed Rotor Whirl Prediction: An Assumed Modes Formulation for an Axisymmetric Rotor With Non-Uniform Properties

Riju Chatterjee, Ashutosh Patel, Nirmal Kumar, Pramod Kumar
Proc. ASME. GT2022, Volume 8B: Structures and Dynamics — Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V08BT26A012, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-82632
https://doi.org/10.1115/GT2022-82632
View Paper titled, Semi-Analytical Model for High-Speed Rotor Whirl Prediction: An Assumed Modes Formulation for an Axisymmetric Rotor With Non-Uniform Properties
Open the PDF for Semi-Analytical Model for High-Speed Rotor Whirl Prediction: An Assumed Modes Formulation for an Axisymmetric Rotor With Non-Uniform Properties in another window
Topics: Rotors, Whirls
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
Publisher: American Society of Mechanical Engineers
Paper No: GT2021-59568
https://doi.org/10.1115/GT2021-59568
View Paper titled, Rotordynamic Characteristics of the Straight-Through Labyrinth Seal Based On the Applicability Analysis of Leakage Models Using Bulk-Flow Method
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Topics: Flow (Dynamics), Leakage, Pressure, Clearances (Engineering), Sealing (Process), Damping, Excitation, Fluids, Leakage flows, Rotors
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
Publisher: American Society of Mechanical Engineers
Paper No: GT2021-58996
https://doi.org/10.1115/GT2021-58996
View Paper titled, Static and Rotordynamic Characteristics for Two Novel Hole-Pattern Annular Liquid Seals With Circumferentially- /Axially- Oblique Hole Cavities
Open the PDF for Static and Rotordynamic Characteristics for Two Novel Hole-Pattern Annular Liquid Seals With Circumferentially- /Axially- Oblique Hole Cavities in another window
Topics: Cavities, Leakage, Design, Abrasion, Manufacturing, Rotors, Transients (Dynamics), Bearings, Centrifugal pumps, Clearances (Engineering)
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
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-14153
https://doi.org/10.1115/GT2020-14153
View Paper titled, On the Leakage and Dynamic Force Coefficients of a Novel Stepped Shaft Pocket Damper Seal: Experimental and Numerical Verification
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Topics: Dampers, Leakage, Damping, Clearances (Engineering), Computational fluid dynamics, Rotors, Blades, Flow (Dynamics), Turbomachinery, Design
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
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-14314
https://doi.org/10.1115/GT2020-14314
View Paper titled, Rotordynamic Performance of the Interlocking Labyrinth Seal With a Tilting Rotor
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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
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-16303
https://doi.org/10.1115/GT2020-16303
View Paper titled, Numerical Investigation on the Static and Rotordynamic Characteristics for Two Types of Novel Mixed Helical Groove Seals
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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
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-15749
https://doi.org/10.1115/GT2020-15749
View Paper titled, A Novel Controlled-Motion Test Rig to Evaluate Effect of Synchronous and Subsynchronous Lateral Vibration on Reliability and Performance of Mechanical Seals in Pumps
Open the PDF for A Novel Controlled-Motion Test Rig to Evaluate Effect of Synchronous and Subsynchronous Lateral Vibration on Reliability and Performance of Mechanical Seals in Pumps in another window
Topics: Pumps, Reliability, Vibration, Rotors, Whirls, Flow (Dynamics), Leakage, Mineral oil, Temperature, Clearances (Engineering)