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Proceedings Papers

Effect of a Reduced Oil Flow Rate on the Static and Dynamic Performance of a Tilting Pad Journal Bearing Running in Both the Flooded and Evacuated Conditions

Luis San Andrés, Andy Alcantar
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, V08AT22A006, June 13–17, 2022
Paper No: GT2022-81839
https://doi.org/10.1115/GT2022-81839
View Paper titled, Effect of a Reduced Oil Flow Rate on the Static and Dynamic Performance of a Tilting Pad Journal Bearing Running in Both the Flooded and Evacuated Conditions
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Topics: Bearings, Flow (Dynamics), Journal bearings, Stress, Drag (Fluid dynamics), Temperature, Damping, Fluid films, Lubricants, Machinery
Proceedings Papers

Investigation of the Transient Closing Behavior of a Radially Adaptive Seal

James Lofts, Corina Schwitzke, Hans-Jörg Bauer, Vincent Peltier, Kunyuan Zhou
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, V08AT22A012, June 13–17, 2022
Paper No: GT2022-82235
https://doi.org/10.1115/GT2022-82235
View Paper titled, Investigation of the Transient Closing Behavior of a Radially Adaptive Seal
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Topics: Transients (Dynamics), Pressure, Stress, Cycles, Engines, Turbomachinery, Hydrostatics, Leakage, Rotation, Rotors
Proceedings Papers

Dynamic Seal Test Rig: O-Ring Leakage and Sliding Friction Measurements

Thomas Kerr, Jordan Nielson
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, V08AT22A011, June 13–17, 2022
Paper No: GT2022-82221
https://doi.org/10.1115/GT2022-82221
View Paper titled, Dynamic Seal Test Rig: O-Ring Leakage and Sliding Friction Measurements
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Topics: Leakage, Seals, Sliding friction, Sealing (Process), Friction, Machinery, Pistons, Bellows (Equipment), Carbon, Carbon dioxide
Proceedings Papers

A Stepped Shaft Labyrinth Seal vs. a Pocket Damper Seal: Leakage and Dynamic Force Coefficients Under Wet Gas Operation

José Torres, Luis San Andrés, Jing Yang
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, V08AT22A014, June 13–17, 2022
Paper No: GT2022-82280
https://doi.org/10.1115/GT2022-82280
View Paper titled, A Stepped Shaft Labyrinth Seal vs. a Pocket Damper Seal: Leakage and Dynamic Force Coefficients Under Wet Gas Operation
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Topics: Dampers, Leakage, Clearances (Engineering), Compressors, Damping, Pressure, Two-phase flow, Blades, Computational fluid dynamics, Density
Proceedings Papers

Investigation of Droplet Shedding in an Aeroengine Bearing Chamber Using Convolutional Neural Networks

Katrina Farbrother, Paloma Paleo Cagaeo, Kathy Johnson, Stephen Ambrose
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, V08AT22A013, June 13–17, 2022
Paper No: GT2022-82275
https://doi.org/10.1115/GT2022-82275
View Paper titled, Investigation of Droplet Shedding in an Aeroengine Bearing Chamber Using Convolutional Neural Networks
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Topics: Artificial neural networks, Bearings, Drops, Design, Two-phase flow, Commercial air transport, Film thickness, Geometry, Image processing, Imaging
Proceedings Papers

Hybrid Air Foil Thrust Bearings Design and Performance Measurement

Fangcheng Xu, Shuoxian Qiu, Jianhua Chu
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, V08AT22A002, June 13–17, 2022
Paper No: GT2022-78401
https://doi.org/10.1115/GT2022-78401
View Paper titled, Hybrid Air Foil Thrust Bearings Design and Performance Measurement
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Topics: Design, Friction, Stress, Temperature, Thrust bearings, Torque
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
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

Field Testing and Operation of a 300 kW Active Magnetic Bearing Supported Turboexpander-Generator for Natural Gas Pressure Letdown

Rasish Khatri, Larry Hawkins, Jeremy Liu, Massimiliano Ortiz Neri, Francesco Cangioli, Davide Biliotti
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, V08AT22A015, June 13–17, 2022
Paper No: GT2022-82332
https://doi.org/10.1115/GT2022-82332
View Paper titled, Field Testing and Operation of a 300 kW Active Magnetic Bearing Supported Turboexpander-Generator for Natural Gas Pressure Letdown
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Topics: Bearings, Generators, Joules, Magnetic bearings, Natural gas, Pressure, Testing
Proceedings Papers

Experimental Investigation Into Oil Shedding From a Rotating Cup Geometry

Paloma Paleo Cageao, Kathy Johnson, Stephen Ambrose, Rajab Omar
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, V08AT22A010, June 13–17, 2022
Paper No: GT2022-82195
https://doi.org/10.1115/GT2022-82195
View Paper titled, Experimental Investigation Into Oil Shedding From a Rotating Cup Geometry
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Topics: Design, Disks, Drops, Flow (Dynamics), Geometry, Rotating disks, Rotation, Turbulence
Proceedings Papers

Experimental Investigation Into Oil Film Thickness and Behaviour Near an Aero-Engine Bearing

Avick Sinha, David Hann, Kathy Johnson, Michael Walsh
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, V08AT22A009, June 13–17, 2022
Paper No: GT2022-82180
https://doi.org/10.1115/GT2022-82180
View Paper titled, Experimental Investigation Into Oil Film Thickness and Behaviour Near an Aero-Engine Bearing
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Topics: Aircraft engines, Bearings, Film thickness, Flow (Dynamics), Stress, Waves, Computational fluid dynamics, Cooling, Engine design, Flight
Proceedings Papers

Effect of Bristle Diameter on Operational Modal Assessment and Seating Load of Brush Seals

Ertuğrul Tolga Duran
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, V08AT22A001, June 13–17, 2022
Paper No: GT2022-78289
https://doi.org/10.1115/GT2022-78289
View Paper titled, Effect of Bristle Diameter on Operational Modal Assessment and Seating Load of Brush Seals
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Topics: Stress, Turbines, Engineering simulation, Simulation, Stability, Durability, Finite element analysis, Pressure, Clearances (Engineering), Design
Proceedings Papers

The Application of the Arbitrary-Order Galerkin Reduction Method to the Dynamic Analysis of a Rotor With a Preloaded Single-Pad Foil-Air Bearing

Ibrahim Ghalayini, Philip Bonello
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, V08AT22A017, June 13–17, 2022
Paper No: GT2022-82585
https://doi.org/10.1115/GT2022-82585
View Paper titled, The Application of the Arbitrary-Order Galerkin Reduction Method to the Dynamic Analysis of a Rotor With a Preloaded Single-Pad Foil-Air Bearing
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Topics: Dynamic analysis, Foil bearings, Rotors, Clearances (Engineering), Delays, Engineering simulation, Simulation, Air bearings, Condensation, Finite element analysis
Proceedings Papers

Negative Centering Forces of Wet-Gas Hole-Pattern Seals at Low Excitation Frequencies

Min Zhang, Dara W. Childs
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, V08AT22A024, June 13–17, 2022
Paper No: GT2022-83504
https://doi.org/10.1115/GT2022-83504
View Paper titled, Negative Centering Forces of Wet-Gas Hole-Pattern Seals at Low Excitation Frequencies
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Topics: Excitation, Pressure, Stiffness, Compression, Damping, Dimensions, Flow (Dynamics), Leakage, Testing
Proceedings Papers

Leakage and Rotordynamic Performance of a Hole-Pattern Multiphase Pump Seal

Min Zhang, Dara W. Childs
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, V08AT22A023, June 13–17, 2022
Paper No: GT2022-83499
https://doi.org/10.1115/GT2022-83499
View Paper titled, Leakage and Rotordynamic Performance of a Hole-Pattern Multiphase Pump Seal
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Topics: Leakage, Pumps
Proceedings Papers

Circumferentially Grooved Seal Flow Field Analysis Based on Effective Film Thickness to Improve Bulk Flow Models

Nathaniel Gibbons, Cori Watson-Kassa, Christopher Goyne, Minhui He
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, V08AT22A005, June 13–17, 2022
Paper No: GT2022-81010
https://doi.org/10.1115/GT2022-81010
View Paper titled, Circumferentially Grooved Seal Flow Field Analysis Based on Effective Film Thickness to Improve Bulk Flow Models
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Topics: Film thickness, Flow (Dynamics), Computational fluid dynamics, Modeling, Reynolds number, Shear stress, Engineering simulation, Leakage, Physics, Rotors
Proceedings Papers

Experimental Force Coefficients for a Fully-Partitioned Pocket Damper Seal and Comparison to Other Two Seal Types

Adolfo Delgado, Luis San Andrés, Jing Yang, Jonathan Thiele
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, V08AT22A020, June 13–17, 2022
Paper No: GT2022-83164
https://doi.org/10.1115/GT2022-83164
View Paper titled, Experimental Force Coefficients for a Fully-Partitioned Pocket Damper Seal and Comparison to Other Two Seal Types
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Topics: Dampers, Leakage, Stiffness, Compressors, Damping, Blades, Pressure, Rotors, Computational fluid dynamics, Databases
Proceedings Papers

A Self-Sufficient Oil Cooling Mechanism for Fluid-Film Bearing Applications in Remote Operations

Seckin Gokaltun, Bruce R. Fabijonas, Louis S. Krajewski, Richard C. Rodzwic
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, V08AT22A019, June 13–17, 2022
Paper No: GT2022-83145
https://doi.org/10.1115/GT2022-83145
View Paper titled, A Self-Sufficient Oil Cooling Mechanism for Fluid-Film Bearing Applications in Remote Operations
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Topics: Bearings, Cooling, Fluid films, Cooling systems, Hydrocarbon reservoirs, Journal bearings, Heat exchangers, Lubrication, Pipes, Thrust bearings
Proceedings Papers

A Nonlinear Rotordynamics Model for Automotive Turbochargers Coupled to a Physical Model for a (Semi) Floating Ring Bearing System

Wonbae Jung, Luis San Andrés, Jungbae Kim
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, V08AT22A003, June 13–17, 2022
Paper No: GT2022-79386
https://doi.org/10.1115/GT2022-79386
View Paper titled, A Nonlinear Rotordynamics Model for Automotive Turbochargers Coupled to a Physical Model for a (Semi) Floating Ring Bearing System
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Topics: Bearings, Rotordynamics, Turbochargers
Proceedings Papers

Rotordynamic Force Coefficient Prediction of an Unshrouded Radial Inflow Expander and Labyrinth Seal Using Transient Computational Fluid Dynamic Analysis

Chris D. Kulhanek, Hector A. Delgado, Michael P. Marshall, J. Jeffrey Moore, Joseph Lillard, Yunbae Kim
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, V08AT22A021, June 13–17, 2022
Paper No: GT2022-83257
https://doi.org/10.1115/GT2022-83257
View Paper titled, Rotordynamic Force Coefficient Prediction of an Unshrouded Radial Inflow Expander and Labyrinth Seal Using Transient Computational Fluid Dynamic Analysis
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Topics: Computational fluid dynamics, Inflow, Stiffness, Transients (Dynamics)
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
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)