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Proceedings Papers

Roller Bearing Skidding for Aero-Engine Applications: All-Steel Versus Hybrid Bearings

Azzedine Dadouche, Rami Kerrouche
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, V08AT22A025, June 13–17, 2022
Paper No: GT2022-83532
DOI: https://doi.org/10.1115/GT2022-83532
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Topics: Aircraft engines, Bearings, Lubrication, Roller bearings, Steel
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
DOI: https://doi.org/10.1115/GT2022-82180
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Topics: Aircraft engines, Bearings, Film thickness, Flow (Dynamics), Stress, Waves, Computational fluid dynamics, Cooling, Engine design, Flight
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
DOI: https://doi.org/10.1115/GT2022-83145
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Topics: Bearings, Cooling, Fluid films, Cooling systems, Hydrocarbon reservoirs, Journal bearings, Heat exchangers, Lubrication, Pipes, Thrust bearings
Proceedings Papers

Combustion and Oxidation of Lube Oils at Gas Turbine Conditions: Experimental Methods

Eric L. Petersen, Olivier Mathieu, James C. Thomas, Sean P. Cooper, David S. Teitge, Raquel Juárez, Nobel Gutierrez, Chad V. Mashuga
Proc. ASME. GT2021, Volume 3B: Combustion, Fuels, and Emissions, V03BT04A045, June 7–11, 2021
Paper No: GT2021-60319
DOI: https://doi.org/10.1115/GT2021-60319
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Topics: Combustion, Experimental methods, Gas turbines, Ignition, Oils, Oxidation, Petroleum, Temperature, High temperature, Lubricants
Proceedings Papers

Numerical Investigation of Air-Oil Two-Phase Flow Pattern Transition in the Scavenge Line of an Aeroengine

Ghofrane Sekrani, Jean-Sebastien Dick, Sébastien Poncet, Sravankumar Nallamothu
Proc. ASME. GT2021, Volume 1: Aircraft Engine; Fans and Blowers; Marine; Wind Energy; Scholar Lecture, V001T01A009, June 7–11, 2021
Paper No: GT2021-58988
DOI: https://doi.org/10.1115/GT2021-58988
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Topics: Two-phase flow, Flow (Dynamics), Modeling, Fluids, Porosity, Turbulence, Air flow, Algebra, Calibration, Compressibility
Proceedings Papers

Bearing Skidding Detection for High Speed and Aero Engine Applications

Azzedine Dadouche, Rami Kerrouche
Proc. ASME. GT2021, Volume 9A: Structures and Dynamics — Aerodynamics Excitation and Damping; Bearing and Seal Dynamics; Emerging Methods in Design and Engineering, V09AT24A014, June 7–11, 2021
Paper No: GT2021-59122
DOI: https://doi.org/10.1115/GT2021-59122
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Topics: Aircraft engines, Bearings, Lubrication, Roller bearings, Rollers, Stress, Acoustics, Damage, Data acquisition systems, Electromagnetic induction
Proceedings Papers

An Integrated Approach to Simulate Gas Turbine Secondary Air System

Ali Izadi, Seyed Hossein Madani, Seyed Vahid Hosseini, Mahmoud Chizari
Proc. ASME. GT2020, Volume 7C: Heat Transfer, V07CT14A014, September 21–25, 2020
Paper No: GT2020-14966
DOI: https://doi.org/10.1115/GT2020-14966
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Topics: Gas turbines, Flow (Dynamics), Design, Turbines, Computational fluid dynamics, Coolants, Disks, Engines, Heat transfer, Modeling
Proceedings Papers

Numerical Investigations Into the Oil Capture Efficiency of a Curve-Bladed Scoop System

Joshua Lee, Arun Prabhakar, Kathy Johnson
Proc. ASME. GT2020, Volume 2C: Turbomachinery, V02CT35A032, September 21–25, 2020
Paper No: GT2020-15257
DOI: https://doi.org/10.1115/GT2020-15257
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Topics: Aircraft engines, Bearings, Blades, Computational fluid dynamics, Cooling, Engines, Flow (Dynamics), Fluids, Geometry, Jets
Proceedings Papers

Evaluation of the Rotor Temperature Distribution of an Automotive Turbocharger Under Hot Gas Conditions Including Indirect Experimental Validation

Christopher Zeh, Ole Willers, Thomas Hagemann, Hubert Schwarze, Joerg R. Seume
Proc. ASME. GT2020, Volume 2C: Turbomachinery, V02CT35A051, September 21–25, 2020
Paper No: GT2020-16077
DOI: https://doi.org/10.1115/GT2020-16077
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Topics: Computational fluid dynamics, Heat transfer, Rotors, Temperature, Temperature distribution, Turbochargers, Bearings, Flow (Dynamics), Fluid films, Heat
Proceedings Papers

Modelling of Partially Wetting Liquid Film Using an Enhanced Thin Film Model for Aero-Engine Bearing Chamber Applications

K. Singh, M. Sharabi, R. Jefferson-Loveday, S. Ambrose, C. Eastwick, J. Cao, A. Jacobs
Proc. ASME. GT2020, Volume 2C: Turbomachinery, V02CT35A046, September 21–25, 2020
Paper No: GT2020-15845
DOI: https://doi.org/10.1115/GT2020-15845
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Topics: Aircraft engines, Bearings, Liquid films, Modeling, Thin films, Wetting, Flow (Dynamics), Film thickness, Cooling, Drying
Proceedings Papers

Additively Manufactured Compliant Hybrid Gas Thrust Bearing for sCO 2 Turbomachinery: Experimental Evaluation and Fluid-Structure Model Predictions

Bugra Ertas, Keith Gary, Adolfo Delgado
Proc. ASME. GT2020, Volume 10A: Structures and Dynamics, V10AT25A018, September 21–25, 2020
Paper No: GT2020-14964
DOI: https://doi.org/10.1115/GT2020-14964
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Topics: Additive manufacturing, Fluids, Thrust bearings, Turbomachinery, Stress, Bearings, Pressure, Hydrostatics, Thrust, Deflection
Proceedings Papers

On the Effect of Supplied Flow Rate to the Performance of a Tilting-Pad Journal Bearing: Static Load and Dynamic Force Measurements

Luis San Andrés, Hardik Jani, Hussain Kaizar, Manish Thorat
Proc. ASME. GT2020, Volume 10A: Structures and Dynamics, V10AT25A035, September 21–25, 2020
Paper No: GT2020-16215
DOI: https://doi.org/10.1115/GT2020-16215
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Topics: Flow (Dynamics), Force measurement, Journal bearings, Lubrication, Stress
Proceedings Papers

Experimental Investigation and Numerical Modelling of a Large Heavily-Loaded Tilting Pad Journal Bearing With Polymer Lined Pads

Filippo Cangioli, Richard Livermore-Hardy, Guy Pethybridge, Uemit Mermertas, Michael Stottrop, Beate Bender
Proc. ASME. GT2020, Volume 10A: Structures and Dynamics, V10AT25A037, September 21–25, 2020
Paper No: GT2020-16319
DOI: https://doi.org/10.1115/GT2020-16319
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Topics: Bearings, Journal bearings, Lubrication, Modeling, Polymers, Stress
Proceedings Papers

Experimental and Numerical Rotordynamic Analysis of a 1500 KW Turbocharger

Behzad Zamanian Yazdi, Dung L. Tran, Chinmay Deshpande
Proc. ASME. GT2020, Volume 10B: Structures and Dynamics, V10BT29A011, September 21–25, 2020
Paper No: GT2020-14926
DOI: https://doi.org/10.1115/GT2020-14926
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Topics: Turbochargers, Bearings, Rotors, Turbulence, Cycles, Journal bearings, Simulation results, Control systems, Design, Eddies (Fluid dynamics)
Proceedings Papers

Analytical Model for the Heat Transfer in Impingement Cooled Spur Gears

Christian Kromer, Felix C. von Plehwe, Marc C. Keller, Corina Schwitzke, Hans-Jörg Bauer
Proc. ASME. GT2020, Volume 1: Aircraft Engine; Fans and Blowers, V001T01A023, September 21–25, 2020
Paper No: GT2020-14760
DOI: https://doi.org/10.1115/GT2020-14760
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Topics: Heat transfer, Spur gears, Gear teeth, Gear trains, Heat, Impingement cooling, Jet engines, Pressure, Turbines, Turbofans
Proceedings Papers

The Effect of Surface Tension on Bubble Generation in Gas-Sheared Liquid Films

João Vasques, Abubakr Ibrahim, David Hann, Kathy Simmons, Michael Walsh
Proc. ASME. GT2019, Volume 5A: Heat Transfer, V05AT13A008, June 17–21, 2019
Paper No: GT2019-91303
DOI: https://doi.org/10.1115/GT2019-91303
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Topics: Bubbles, Liquid films, Surface tension, Bearings, Aircraft engines, Brightness (Photometry), Cooling, Density, Ducts, Fluids
Proceedings Papers

A New Structural Bump Foil Model With Application From Start-Up to Full Operating Conditions

Mihai Arghir, Omar Benchekroun
Proc. ASME. GT2019, Volume 7B: Structures and Dynamics, V07BT34A014, June 17–21, 2019
Paper No: GT2019-90494
DOI: https://doi.org/10.1115/GT2019-90494
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Topics: Algorithms, Bearings, Errors, Film thickness, Fluid pressure, Foil bearings, Friction, Lubrication, Manufacturing, Rotors
Proceedings Papers

Response Surface Mapping and Multi-Objective Optimization of Crowning and Tapers in Water-Lubricated Thrust Bearings

Xin Deng, Cori Watson, Minhui He, Roger Fittro, Houston Wood
Proc. ASME. GT2019, Volume 7B: Structures and Dynamics, V07BT34A041, June 17–21, 2019
Paper No: GT2019-91984
DOI: https://doi.org/10.1115/GT2019-91984
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Topics: Pareto optimization, Response surface methodology, Thrust bearings, Water, Design, Bearing design, Bearings, Film thickness, Optimization, Viscosity
Proceedings Papers

Influence of Lubrication Oil on the Performance of Carbon Fibre Brush Seals for Aero-Engines Bearing Chambers

Bilal Outirba, Patrick Hendrick
Proc. ASME. GT2019, Volume 7B: Structures and Dynamics, V07BT34A012, June 17–21, 2019
Paper No: GT2019-90459
DOI: https://doi.org/10.1115/GT2019-90459
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Topics: Aircraft engines, Bearings, Carbon fibers, Lubrication, Fibers, Temperature, Lift (Fluid dynamics), Pressure, Torque, Viscosity
Proceedings Papers

Development of a 250-kWe Class Supercritical Carbon Dioxide Rankine Cycle Power Generation System and its Core Components

JeongMin Seo, Won Chul Choi, HyungSoo Lim, MooRyong Park, Dong Ho Kim, KongHoon Lee, EuiSoo Yoon
Proc. ASME. GT2019, Volume 9: Oil and Gas Applications; Supercritical CO2 Power Cycles; Wind Energy, V009T38A003, June 17–21, 2019
Paper No: GT2019-90337
DOI: https://doi.org/10.1115/GT2019-90337
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Topics: Energy / power systems, Rankine cycle, Supercritical carbon dioxide, Pumps, Turbines, Bearings, Cycles, Heat exchangers, Leakage, Test facilities