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Proceedings Papers

Numerical Analysis of the Effect of Geometric Variations on the Mass Flow Distribution for an Under-Race Lubrication System

Daniel Mateo Aguirre Bermudez, Aju Abraham, Shreyas Joshi, Corina Schwitzke, Hans-Jörg Bauer
Proc. ASME. GT2024, Volume 1: Aircraft Engine, V001T01A011, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-122481
https://doi.org/10.1115/GT2024-122481
View Paper titled, Numerical Analysis of the Effect of Geometric Variations on the Mass Flow Distribution for an Under-Race Lubrication System
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Topics: Flow (Dynamics), Industrial lubrication systems, Lubrication, Numerical analysis, Cavities, Cooling, Aircraft engines, Bearings, Engineering simulation, Film thickness
Proceedings Papers

A Parametric Study on NOx Emissions From Ammonia Containing Product Gas in Rich Quench Lean Combustion

Ahmed Raslan, Silin Yang, Antoine Durocher, Felix Güthe, Jeff Bergthorson
Proc. ASME. GT2024, Volume 3A: Combustion, Fuels, and Emissions, V03AT04A033, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-123900
https://doi.org/10.1115/GT2024-123900
View Paper titled, A Parametric Study on NOx Emissions From Ammonia Containing Product Gas in Rich Quench Lean Combustion
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Topics: Combustion, Emissions, Nitrogen oxides, Combustion chambers, Fuels, Nitrogen, Gas turbines, Steam, Bearings, Biomass
Proceedings Papers

Low Data Prognostic Model for Rolling Element Bearing Remaining Useful Life

Edoardo Gheller, Sivachakaravarthy Natarajan, Abyjith Pazhoor, Steven Chatterton, Andrea Vania, Paolo Pennacchi
Proc. ASME. GT2024, Volume 4: Controls, Diagnostics, and Instrumentation, V004T05A035, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-127841
https://doi.org/10.1115/GT2024-127841
View Paper titled, Low Data Prognostic Model for Rolling Element Bearing Remaining Useful Life
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Topics: Rolling bearings, Service life (Equipment), Bearings, Failure, Algorithms, Damage, Maintenance, Delays, Filters, Gas turbines
Proceedings Papers

Leakage Loss Reduction by Shroud Cavity Shape Improvement in Reaction Turbine

Masahiro Sato, Kazunobu Ndong, Hiroaki Taniguchi
Proc. ASME. GT2024, Volume 9: Manufacturing Materials and Metallurgy; Microturbines, Turbochargers, and Small Turbomachines; Oil & Gas Applications; Steam Turbine, V009T20A007, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-124167
https://doi.org/10.1115/GT2024-124167
View Paper titled, Leakage Loss Reduction by Shroud Cavity Shape Improvement in Reaction Turbine
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Topics: Cavities, Leakage, Shapes, Turbines, Blades, Leakage flows, Clearances (Engineering), Flow (Dynamics), Design, Fins
Proceedings Papers

Experimental Research on the Lubrication Cooling Performance and Durability of High-Speed Bearings Under Axial Overload Conditions

Yujie Han, Binbin Liu, Wei Zhao, Long Hao, Yingqun Ma, Qingjun Zhao
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, V10AT22A023, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-128371
https://doi.org/10.1115/GT2024-128371
View Paper titled, Experimental Research on the Lubrication Cooling Performance and Durability of High-Speed Bearings Under Axial Overload Conditions
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Topics: Bearings, Cooling, Durability, Lubrication, Stress, Temperature
Proceedings Papers

Aerodynamic Design of Refrigeration Compressor for Optimal Range and Efficiency

Sudip Dey, Nitin Muley
Proc. ASME. GT2024, Volume 9: Manufacturing Materials and Metallurgy; Microturbines, Turbochargers, and Small Turbomachines; Oil & Gas Applications; Steam Turbine, V009T18A001, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-120910
https://doi.org/10.1115/GT2024-120910
View Paper titled, Aerodynamic Design of Refrigeration Compressor for Optimal Range and Efficiency
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Topics: Compressors, Design, Refrigeration, Flow (Dynamics), Impellers, Optimization, Bearings, Computational fluid dynamics, Computer simulation, Dimensions
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

Large Axial Vibrations in Turbomachines: Non-Linear Behaviour of Double Sided Lubricated Thrust Bearing

Ludovico Dassi, Steven Chatterton, Edoardo Gheller, Paolo 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, V10AT22A007, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-124990
https://doi.org/10.1115/GT2024-124990
View Paper titled, Large Axial Vibrations in Turbomachines: Non-Linear Behaviour of Double Sided Lubricated Thrust Bearing
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Topics: Nonlinear dynamics, Thrust bearings, Turbomachinery, Vibration, Machinery, Bearings, Clearances (Engineering), Bifurcation, Compressors, Flow (Dynamics)
Proceedings Papers

Design Considerations for Directed-Lubrication Thrust Bearings Across a Wide Range of Operating Conditions With a Focus on Pressure Drop in the Oil Supply Path

Bruce R. Fabijonas, Louis Krajewski, Amruthkiran Hegde, Richard Rodzwic
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, V10AT22A015, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-126536
https://doi.org/10.1115/GT2024-126536
View Paper titled, Design Considerations for Directed-Lubrication Thrust Bearings Across a Wide Range of Operating Conditions With a Focus on Pressure Drop in the Oil Supply Path
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Topics: Bearings, Design, Lubrication, Pressure drop, Thrust bearings
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

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

Aeroelastic Influence of Blade-Shaft Coupling in a 1 1/2-Stage Axial Compressor

Niklas Maroldt, Joerg R. Seume
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, V10AT21A005, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-124275
https://doi.org/10.1115/GT2024-124275
View Paper titled, Aeroelastic Influence of Blade-Shaft Coupling in a 1 1/2-Stage Axial Compressor
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Topics: Blades, Compressors, Structural dynamics, Damping, Vibration, Design, Frequency response, Simulation, Acoustics, Aerodynamics
Proceedings Papers

The Role of the Working Fluid and Non-Ideal Thermodynamic Effects on Performance of Gas Lubricated Bearings

Wessel de Waart, Matteo Pini
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, V10AT22A017, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-127645
https://doi.org/10.1115/GT2024-127645
View Paper titled, The Role of the Working Fluid and Non-Ideal Thermodynamic Effects on Performance of Gas Lubricated Bearings
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Topics: Bearings, Fluids, Gas bearings, Turbomachinery, Bulk modulus, Machinery, Rotors, Turbines, Vapors, Contamination
Proceedings Papers

Effect of Tilt on Thermo-Hydrodynamic Model of a Thrust Air Foil Bearing

Talieh Pourashraf, Philip Bonello, Craig Lancaster
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, V10AT22A004, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-123643
https://doi.org/10.1115/GT2024-123643
View Paper titled, Effect of Tilt on Thermo-Hydrodynamic Model of a Thrust Air Foil Bearing
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Topics: Foil bearings, Modeling, Thermohydrodynamics, Thrust, Thrust bearings, Bearings, Disks, Accounting, Deformation, Heat
Proceedings Papers

Effects of Recess Depth and Orifice Diameter on Pneumatic Hammer Instability in Hydrostatic Thrust Bearings: Analysis and Experimental Validation

Homin Lim, 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, V10AT22A020, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-128181
https://doi.org/10.1115/GT2024-128181
View Paper titled, Effects of Recess Depth and Orifice Diameter on Pneumatic Hammer Instability in Hydrostatic Thrust Bearings: Analysis and Experimental Validation
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Topics: Bearings, Hammers, Hydrostatics, Thrust bearings
Proceedings Papers

Natural Gas Overhung Pipeline Compressor Rotordynamic Design, Test Validation, and Consideration of Morton Effect

Wei Li, Christopher Braman, Hiroki Hatori, Manish Thorat, Brian Pettinato
Proc. ASME. GT2024, Volume 9: Manufacturing Materials and Metallurgy; Microturbines, Turbochargers, and Small Turbomachines; Oil & Gas Applications; Steam Turbine, V009T19A017, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-125936
https://doi.org/10.1115/GT2024-125936
View Paper titled, Natural Gas Overhung Pipeline Compressor Rotordynamic Design, Test Validation, and Consideration of Morton Effect
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Topics: Bearings, Compressors, Design, Natural gas, Pipelines, Rotors, Clearances (Engineering), Optimization, Risk, American Petroleum Institute
Proceedings Papers

Mapping Temperatures on Turbocharger Bearing Cartridge Assemblies Using Thermal History Paints

Jim Hickey, Nestor Kaspschik, Eva Albrecht, Christian Fischer, Oliver Wendel, Martin Rode, Silvia Araguas Rodriguez, Solon Karagiannopoulos, Jörg Feist
Proc. ASME. GT2024, Volume 9: Manufacturing Materials and Metallurgy; Microturbines, Turbochargers, and Small Turbomachines; Oil & Gas Applications; Steam Turbine, V009T18A017, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-126715
https://doi.org/10.1115/GT2024-126715
View Paper titled, Mapping Temperatures on Turbocharger Bearing Cartridge Assemblies Using Thermal History Paints
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Topics: Bearings, Luminescence, Paints, Temperature, Turbochargers