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Proceedings Papers

CFD Modelling and Experimental Validation of Temperature Profile at Pad Leading Edge of Tilting Pad Journal Bearings

Andrea Riva, Edoardo Gheller, Steven Chatterton, Paolo Emilio Lino Maria Pennacchi
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, V10AT22A024, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-128675
https://doi.org/10.1115/GT2024-128675
View Paper titled, CFD Modelling and Experimental Validation of Temperature Profile at Pad Leading Edge of Tilting Pad Journal Bearings
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Topics: Computational fluid dynamics, Journal bearings, Lubrication, Modeling, Temperature profiles
Proceedings Papers

Laser Powder Bed Fusion Manufactured Hydrostatic Journal Bearings for Turbomachinery: Design and Measurements of Static Load Testing With Air, Water, and Liquid Nitrogen

Chaeyeon Baek, Hyunsung Jung, Junwon Heo, Kyuman Kim, Keun Ryu
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, V10AT22A029, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-129557
https://doi.org/10.1115/GT2024-129557
View Paper titled, Laser Powder Bed Fusion Manufactured Hydrostatic Journal Bearings for Turbomachinery: Design and Measurements of Static Load Testing With Air, Water, and Liquid Nitrogen
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Topics: Bearings, Design, Hydrostatics, Journal bearings, Lasers, Manufacturing, Nitrogen, Stress, Testing, Turbomachinery
Proceedings Papers

Combined Effects of Fluid Inertia and Gas Rarefaction on The Performance of Textured Gas Bearings

Kefan Xu, Guanghui Zhang, Yiken Lu, Jiazhen Han, Zhongwen Huang, Wenjie Gong
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, V10AT22A008, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-124993
https://doi.org/10.1115/GT2024-124993
View Paper titled, Combined Effects of Fluid Inertia and Gas Rarefaction on The Performance of Textured Gas Bearings
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Topics: Fluids, Gas bearings, Inertia (Mechanics), Journal bearings, Texture (Materials), Clearances (Engineering), Slip flow, Algorithms, Design, Finite difference methods
Proceedings Papers

Dynamic Response of a Rotor Supported on Hybrid Bearings in Air, Water, and Liquid Nitrogen: Measurements and Comparisons to Predictions

Howon Yi, Kyuman Kim, Hyunsung Jung, Keun Ryu
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, V10AT22A028, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-129423
https://doi.org/10.1115/GT2024-129423
View Paper titled, Dynamic Response of a Rotor Supported on Hybrid Bearings in Air, Water, and Liquid Nitrogen: Measurements and Comparisons to Predictions
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Topics: Bearings, Dynamic response, Hydrostatics, Journal bearings, Nitrogen, Rotors, Water
Proceedings Papers

On the Predicted Effects of Recess Depth and Orifice Diameter on Pneumatic Hammer Instability in Hydrostatic Journal Bearings Using Compressible Fluid and Comparisons With Test Data

Hyunsung Jung, Kyuman Kim, Keun Ryu
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, V10AT22A027, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-129343
https://doi.org/10.1115/GT2024-129343
View Paper titled, On the Predicted Effects of Recess Depth and Orifice Diameter on Pneumatic Hammer Instability in Hydrostatic Journal Bearings Using Compressible Fluid and Comparisons With Test Data
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Topics: Bearings, Fluids, Hammers, Hydrostatics, Journal bearings
Proceedings Papers

The Effect of Air-Water Mixture on the Dynamic Response of a Hydrodynamic Journal Bearing With Inclined Grooves

Anthony Voitus, Mihai Arghir, Mohamed-Amine Hassini
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, V10AT22A001, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-122232
https://doi.org/10.1115/GT2024-122232
View Paper titled, The Effect of Air-Water Mixture on the Dynamic Response of a Hydrodynamic Journal Bearing With Inclined Grooves
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Topics: Dynamic response, Journal bearings, Water
Proceedings Papers

Performance of Heavily Loaded Textured Gas Foil Bearings Based on the Multigrid Method

Jiazhen Han, Guanghui Zhang, Kefan Xu, Wenjie Gong, Wenlong Sun, Zhongwen Huang
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, V10AT22A014, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-126255
https://doi.org/10.1115/GT2024-126255
View Paper titled, Performance of Heavily Loaded Textured Gas Foil Bearings Based on the Multigrid Method
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Topics: Foil bearings, Stress, Texture (Materials), Bearings, Algorithms, Equilibrium (Physics), Friction, Journal bearings, Newton's method, Pressure
Proceedings Papers

The Impact of Pad Elasticity on Frequency-Dependent Linear Dynamic Coefficients of Tilting-Pad Journal Bearings

Daniel Vetter, Philipp Zemella, Thomas Hagemann, Hubert Schwarze
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, V10AT22A013, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-126246
https://doi.org/10.1115/GT2024-126246
View Paper titled, The Impact of Pad Elasticity on Frequency-Dependent Linear Dynamic Coefficients of Tilting-Pad Journal Bearings
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Topics: Elasticity, Journal bearings, Stiffness, Bearings, Boundary-value problems, Deformation, Film thickness, Finite element model, Hydrodynamics, Lubricants
Proceedings Papers

Preventing Tilting Pad Fluttering by Using Elastic Pad Fixation

Eckhard Schüler, Stephan Faulhaber
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, V10AT22A009, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-125725
https://doi.org/10.1115/GT2024-125725
View Paper titled, Preventing Tilting Pad Fluttering by Using Elastic Pad Fixation
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Topics: Bearings, Damage, Design, Fluid films, Journal bearings, Pressure, Rotor vibration, Thrust bearings, Vibration
Proceedings Papers

The Impact of Friction in Lube Oil Feed Grooves on Power Loss in High-Speed Journal Bearings

Daniel Vetter, Thomas Hagemann, Hubert Schwarze
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, V10AT22A019, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-127952
https://doi.org/10.1115/GT2024-127952
View Paper titled, The Impact of Friction in Lube Oil Feed Grooves on Power Loss in High-Speed Journal Bearings
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Topics: Friction, Journal bearings, Lubrication
Proceedings Papers

Dynamic Characterization of a Low Drag Power Loss Tilting Pad Journal Bearing

Roarke Bradley, Adolfo Delgado, Luis San Andrés
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, V10AT22A025, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-129170
https://doi.org/10.1115/GT2024-129170
View Paper titled, Dynamic Characterization of a Low Drag Power Loss Tilting Pad Journal Bearing
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Topics: Drag (Fluid dynamics), Journal bearings, Turbomachinery
Proceedings Papers

Experimental and Analytical Stability Investigation of High Speed Rotors Supported on Novel Internally Skewed Journal Bearings in a 60000 RPM Test Rig

Aly El-Shafei, Mohamed S. Ibrahim, Antoine S. Dimitri
Proc. ASME. GT2024, Volume 10B: Structures and Dynamics — Fatigue, Fracture, and Life Prediction; Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V10BT26A007, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-123497
https://doi.org/10.1115/GT2024-123497
View Paper titled, Experimental and Analytical Stability Investigation of High Speed Rotors Supported on Novel Internally Skewed Journal Bearings in a 60000 RPM Test Rig
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Topics: Journal bearings, Rotors, Stability, Turbochargers
Proceedings Papers

High Speed H2 Centrifugal Compressor: a General Review of Journal Bearing Design and Experimental Validation

Giuseppe Vannini, Carolina Giannelli, Dario Matina, Filippo Cangioli
Proc. ASME. GT2024, Volume 10B: Structures and Dynamics — Fatigue, Fracture, and Life Prediction; Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V10BT26A005, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-122482
https://doi.org/10.1115/GT2024-122482
View Paper titled, High Speed H2 Centrifugal Compressor: a General Review of Journal Bearing Design and Experimental Validation
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Topics: Bearings, Bending (Stress), Compressors, Design, Hydrogen, Journal bearings, Rotors, Bearing design, Compression, Dampers
Proceedings Papers

CFD Study of Journal Bearing Flow Physics and the Influence of Oil Feed Condition Within a Planetary Gearbox

Ivo Martin, Wolfram Kurz-Hardjosoekatmo, Sebastian Schrewe
Proc. ASME. GT2024, Volume 12C: Turbomachinery — Design Methods and CFD Modeling for Turbomachinery; Ducts, Noise, and Component Interactions, V12CT32A048, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-128783
https://doi.org/10.1115/GT2024-128783
View Paper titled, CFD Study of Journal Bearing Flow Physics and the Influence of Oil Feed Condition Within a Planetary Gearbox
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Topics: Computational fluid dynamics, Flow (Dynamics), Journal bearings, Mechanical drives, Physics
Proceedings Papers

The Impact of Thermal Load and Turbulent Flow on Minimum Film Thickness of a Large Tilting-Pad Journal Bearing

Daniel Vetter, Thomas Hagemann, Hubert Schwarze
Proc. ASME. GT2023, Volume 11A: Structures and Dynamics — Aerodynamics Excitation and Damping; Bearing and Seal Dynamics, V11AT22A011, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-102244
https://doi.org/10.1115/GT2023-102244
View Paper titled, The Impact of Thermal Load and Turbulent Flow on Minimum Film Thickness of a Large Tilting-Pad Journal Bearing
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Topics: Film thickness, Journal bearings, Thermal loads, Turbulence
Proceedings Papers

Effects of Conical Cavity on the Load Capacity of Externally Pressurized Steam-Lubricated Journal Bearing

Zhansheng Liu, Jinlei Qi, Xiangyu Yu
Proc. ASME. GT2023, Volume 11A: Structures and Dynamics — Aerodynamics Excitation and Damping; Bearing and Seal Dynamics, V11AT22A005, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-101381
https://doi.org/10.1115/GT2023-101381
View Paper titled, Effects of Conical Cavity on the Load Capacity of Externally Pressurized Steam-Lubricated Journal Bearing
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Topics: Cavities, Cycles, Journal bearings, Steam, Steam turbines, Stress
Proceedings Papers

Tilting Pad Journal Bearing CFD Parametric Modeling for New Energy Transition Challenges

Edoardo Gheller, Vishnu Vardhan Reddy, Satish Koyyalamudi, Steven Chatterton, Daniele Panara, Paolo Pennacchi
Proc. ASME. GT2023, Volume 11A: Structures and Dynamics — Aerodynamics Excitation and Damping; Bearing and Seal Dynamics, V11AT22A004, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-101046
https://doi.org/10.1115/GT2023-101046
View Paper titled, Tilting Pad Journal Bearing CFD Parametric Modeling for New Energy Transition Challenges
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Topics: Computational fluid dynamics, Equilibrium (Physics), Journal bearings, Modeling
Proceedings Papers

Effect of Air-Liquid Homogeneous Mixture on the Linear Dynamic Characteristics of a Hydrostatic Journal Bearing

Anthony Voitus, Mihai Arghir, Mohamed-Amine Hassini
Proc. ASME. GT2023, Volume 11A: Structures and Dynamics — Aerodynamics Excitation and Damping; Bearing and Seal Dynamics, V11AT22A006, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-101410
https://doi.org/10.1115/GT2023-101410
View Paper titled, Effect of Air-Liquid Homogeneous Mixture on the Linear Dynamic Characteristics of a Hydrostatic Journal Bearing
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Topics: Bearings, Flow (Dynamics), Hydrostatics, Journal bearings
Proceedings Papers

Experimental Investigation of a Large Tilting-Pad Journal Bearing With a Direct-Bonded Sub-Millimeter PEEK Lining

Michael Stottrop, Alexander Engels, Christoph Weißbacher, Beate Bender
Proc. ASME. GT2023, Volume 11A: Structures and Dynamics — Aerodynamics Excitation and Damping; Bearing and Seal Dynamics, V11AT22A008, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-101502
https://doi.org/10.1115/GT2023-101502
View Paper titled, Experimental Investigation of a Large Tilting-Pad Journal Bearing With a Direct-Bonded Sub-Millimeter PEEK Lining
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Topics: Bearings, Journal bearings, Linings (Textiles), Polymers, Turbines
Proceedings Papers

Nonlinear Response of the Rotor Supported by Gas Journal Bearings Considering Stationary and Rotating Herringbone Grooves

Roman Kochurov, Leonid Moroz, Volodymyr Martynenko
Proc. ASME. GT2023, Volume 11B: Structures and Dynamics — Emerging Methods in Engineering Design, Analysis, and Additive Manufacturing; Fatigue, Fracture, and Life Prediction; Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V11BT26A008, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-102296
https://doi.org/10.1115/GT2023-102296
View Paper titled, Nonlinear Response of the Rotor Supported by Gas Journal Bearings Considering Stationary and Rotating Herringbone Grooves
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Topics: Bearings, Journal bearings, Rotors, Stability, Design, Finite element analysis, Transient analysis, Engineers, Machinery, Rotordynamics