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Proceedings Papers

Numerical Investigation Into Maximum Pressure Capability of Intershaft Hydraulic Seals

Achinie Warusevitane, Kathy Johnson, Stephen Ambrose

Proc. ASME. GT2022, Volume 10C: Turbomachinery — Design Methods and CFD Modeling for Turbomachinery; Ducts, Noise, and Component Interactions, V10CT32A025, June 13–17, 2022

Paper No: GT2022-82196

DOI: https://doi.org/10.1115/GT2022-82196

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Topics: Computational fluid dynamics, Pressure, Fluids, Leakage, Air flow, Aircraft engines, Analytical methods, Cavities, Computer simulation, Design

Proceedings Papers

Droplet Impact on a Curved Moving Liquid Film

Avick Sinha, Vaibhav Ramakrishnan, Kathy Johnson

Proc. ASME. GT2022, Volume 10B: Turbomachinery — Axial Flow Turbine Aerodynamics; Deposition, Erosion, Fouling, and Icing; Radial Turbomachinery Aerodynamics, V10BT31A003, June 13–17, 2022

Paper No: GT2022-79505

DOI: https://doi.org/10.1115/GT2022-79505

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Topics: Drops, Liquid films, Performance, Inclined plane, Aircraft engines, Bearings, Bridges (Structures), Carbon dioxide, Computer simulation, Dynamics (Mechanics)

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

DOI: https://doi.org/10.1115/GT2022-82275

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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

Experimental Investigation Into Oil Shedding From a Rotating Cup Geometry

Paloma Paleo Cageao, Kathy Johnson, Stephen Ambrose, Rajab Omar

Paper No: GT2022-82195

DOI: https://doi.org/10.1115/GT2022-82195

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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

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

Journal Articles

How Do Interfacial Shear and Gravity Affect the Oil Film Characteristics Near an Aero-Engine Bearing?

Avick Sinha, Benjamin Brewster, Kathy Johnson, Mike Walsh, David Hann

J. Eng. Gas Turbines Power. October 2022, 144(10): 101001.

Paper No: GTP-22-1037

DOI: https://doi.org/10.1115/1.4055211

Published Online: August 25, 2022

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Topics: Aircraft engines, Bearings, Film thickness, Flow (Dynamics), Gravity (Force), Shear (Mechanics), Stress, Waves, Imaging

Journal Articles

Simulation of a Simplified Aeroengine Bearing Chamber Using a Fully Coupled Two-Way Eulerian Thin Film/Discrete Phase Approach Part II: Droplet Behavior in the Chamber

Andrew Nicoli, Kathy Johnson, Richard Jefferson-Loveday

J. Eng. Gas Turbines Power. October 2021, 143(10): 101016.

Paper No: GTP-21-1139

DOI: https://doi.org/10.1115/1.4051561

Published Online: September 20, 2021

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Topics: Bearings, Drops, Flow (Dynamics), Particulate matter, Separation (Technology), Thin films, Shear (Mechanics)

Journal Articles

Simulation of a Simplified Aeroengine Bearing Chamber Using a Fully Coupled Two-Way Eulerian Thin Film/Discrete Phase Approach Part I: Film Behavior Near the Bearing

Andrew Nicoli, Kathy Johnson, Richard Jefferson-Loveday

J. Eng. Gas Turbines Power. October 2021, 143(10): 101015.

Paper No: GTP-21-1138

DOI: https://doi.org/10.1115/1.4051560

Published Online: September 20, 2021

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Topics: Bearings, Film thickness, Flow (Dynamics), Thin films, Gravity (Force), Drops, Simulation, Shear (Mechanics)

Journal Articles

Scavenge Performance of an Optimized Shallow Sump at Various Flow Conditions

Budi Chandra, Kathy Johnson

J. Eng. Gas Turbines Power. February 2021, 143(2): 021014.

Paper No: GTP-20-1774

DOI: https://doi.org/10.1115/1.4049405

Published Online: January 18, 2021

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Topics: Bearings, Engines, Flow (Dynamics), Drops

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

Numerical Investigation Into Fully and Partially Wetted Disk Geometries With Relevance to Intershaft Hydraulic Seals

Achinie Warusevitane, Kathy Johnson, Stephen Ambrose, Mike Walsh, Colin Young

Proc. ASME. GT2020, Volume 1: Aircraft Engine; Fans and Blowers, V001T01A025, September 21–25, 2020

Paper No: GT2020-15121

DOI: https://doi.org/10.1115/GT2020-15121

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Topics: Disks, Flow (Dynamics), Annulus, Bearings, Fluids, Rotating disks, Aircraft engines, Computational fluid dynamics, Engines, Industrial research

Proceedings Papers

Scavenge Performance of an Optimized Shallow Sump at Various Flow Conditions

Budi Chandra, Kathy Johnson

Proc. ASME. GT2020, Volume 1: Aircraft Engine; Fans and Blowers, V001T01A036, September 21–25, 2020

Paper No: GT2020-16049

DOI: https://doi.org/10.1115/GT2020-16049

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Topics: Bearings, Flow (Dynamics), Engines, Drops, Gas turbines, Geometry, Aircraft engines, Design, Rotation, Volume measurement

Journal citation

NARROW

Numerical Investigation Into Maximum Pressure Capability of Intershaft Hydraulic Seals

Droplet Impact on a Curved Moving Liquid Film

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

Experimental Investigation Into Oil Shedding From a Rotating Cup Geometry

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

How Do Interfacial Shear and Gravity Affect the Oil Film Characteristics Near an Aero-Engine Bearing?

Simulation of a Simplified Aeroengine Bearing Chamber Using a Fully Coupled Two-Way Eulerian Thin Film/Discrete Phase Approach Part II: Droplet Behavior in the Chamber

Simulation of a Simplified Aeroengine Bearing Chamber Using a Fully Coupled Two-Way Eulerian Thin Film/Discrete Phase Approach Part I: Film Behavior Near the Bearing

Scavenge Performance of an Optimized Shallow Sump at Various Flow Conditions

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

Numerical Investigation Into Fully and Partially Wetted Disk Geometries With Relevance to Intershaft Hydraulic Seals

Scavenge Performance of an Optimized Shallow Sump at Various Flow Conditions

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