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Proceedings Papers

Characterisation of Waves and Ligaments in Films Close to an Aeroengine Ball Bearing

Jee Loong Hee, Kathy Simmons, David Hann, Michael Walsh

Proc. ASME. GT2019, Volume 5A: Heat Transfer, V05AT13A012, June 17–21, 2019

Paper No: GT2019-91698

DOI: https://doi.org/10.1115/GT2019-91698

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Topics: Ball bearings, Waves, Gravity (Force), Wavelength, Flow (Dynamics), Shear (Mechanics), Stress, Bearings, Engineering systems and industry applications, Gas turbines

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 OpenFOAM Solver Capable of Modelling Oil Jet-Breakup and Subsequent Film Formation for Bearing Chamber Applications

Andrew Nicoli, Richard Jefferson-Loveday, Kathy Simmons

Proc. ASME. GT2019, Volume 2C: Turbomachinery, V02CT41A010, June 17–21, 2019

Paper No: GT2019-90264

DOI: https://doi.org/10.1115/GT2019-90264

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Topics: Bearings, Modeling, Drops, Computational fluid dynamics, Particulate matter, Ducts, Film thickness, Momentum, Separation (Technology), Thin films

Proceedings Papers

Modelling Droplet Heat and Mass Transfer in Aero-Engine Bearing Chambers

Dafne Gaviria Arcila, Hervé Morvan, Kathy Simmons, Stephen Ambrose, Michael Walsh, Bruce Kakimpa

Proc. ASME. GT2019, Volume 2C: Turbomachinery, V02CT41A034, June 17–21, 2019

Paper No: GT2019-91657

DOI: https://doi.org/10.1115/GT2019-91657

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Topics: Aircraft engines, Bearings, Drops, Heat, Mass transfer, Modeling, Evaporation, Air flow, Flow (Dynamics), Temperature

Proceedings Papers

Flow Characteristics in Aeroengine Bearing Chambers With Shallow Sump

Budi Chandra, Kathy Simmons

Proc. ASME. GT2019, Volume 1: Aircraft Engine; Fans and Blowers; Marine; Honors and Awards, V001T01A005, June 17–21, 2019

Paper No: GT2019-90320

DOI: https://doi.org/10.1115/GT2019-90320

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Topics: Bearings, Flow (Dynamics), Drops, Cooling, Experimental design, Film flow, Gravity (Force), Heat, Leakage, Lubrication

Journal Articles

Assessment of the Oil Scoop Capture Efficiency in High Speed Rotors

Paloma Paleo Cageao, Kathy Simmons, Arun Prabhakar, Budi Chandra

J. Eng. Gas Turbines Power. January 2019, 141(1): 012401.

Paper No: GTP-17-1167

DOI: https://doi.org/10.1115/1.4040812

Published Online: October 29, 2018

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Topics: Bearings, Centrifugal force, Flow (Dynamics), Geometry, Jets, Rotors, Visualization, Plumes (Fluid dynamics), Temperature, Pressure

Proceedings Papers

Investigation of Oil Jet Impingement on a Rotating Gear Using Lattice Boltzman Method (LBM)

Stephen Ambrose, Hervé Morvan, Kathy Simmons

Proc. ASME. GT2018, Volume 1: Aircraft Engine; Fans and Blowers; Marine, V001T01A028, June 11–15, 2018

Paper No: GT2018-76371

DOI: https://doi.org/10.1115/GT2018-76371

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Topics: Gears, Particulate matter, Computational fluid dynamics, Cooling, Engineering simulation, Flow (Dynamics), Heat, Mechanical drives, Simulation, Turbulence

Proceedings Papers

Computationally Efficient Modelling of Oil Jet-Breakup and Film Formation for Bearing Chamber Applications

Jee Loong Hee, Kathy Simmons, Bruce Kakimpa, David Hann

Proc. ASME. GT2018, Volume 2C: Turbomachinery, V02CT42A031, June 11–15, 2018

Paper No: GT2018-76172

DOI: https://doi.org/10.1115/GT2018-76172

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Topics: Bearings, Modeling, Drops, Particulate matter, Thin films, Film thickness, Momentum, Shear stress, Simulation, Transportation systems

Proceedings Papers

Numerical Investigations to Assess the Impact of Shaft Speed on the Performance of Scoop Devices

Arun Prabhakar, Yousif Abdalla Abakr, Kathy Simmons

Proc. ASME. GT2018, Volume 2C: Turbomachinery, V02CT42A032, June 11–15, 2018

Paper No: GT2018-76177

DOI: https://doi.org/10.1115/GT2018-76177

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Topics: Bearings, Computational fluid dynamics, Computer simulation, Flow (Dynamics), Fluids, Geometry, Industrial lubrication systems, Lubrication, Modeling, Plumes (Fluid dynamics)

Proceedings Papers

CFD Study Exploring Jet Configurations and Jet Pulsing for an Aeroengine Scoop-Based Oil Delivery System

Kathy Simmons, Luke Harrison, Evgenia Korsukova, Paloma Paleo Cageao

Proc. ASME. GT2018, Volume 2C: Turbomachinery, V02CT42A033, June 11–15, 2018

Paper No: GT2018-76182

DOI: https://doi.org/10.1115/GT2018-76182

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Topics: Computational fluid dynamics, Jets, Bearings, Design, Flow (Dynamics), Imaging, Computer software, Cycles, Fluids, Gas turbines

Journal Articles

Mechanisms for Residence Volume Reduction in Shallow Sump

Budi Chandra, Kathy Simmons, Andrew Murphy

J. Eng. Gas Turbines Power. March 2018, 140(3): 032601.

Paper No: GTP-17-1185

DOI: https://doi.org/10.1115/1.4037871

Published Online: October 17, 2017

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Topics: Drops, Flow (Dynamics), Momentum, Spillways, Bearings, Film flow, Plates (structures), Gas turbines

Proceedings Papers

Effect of Turbulence Damping in VOF Simulation of an Aero-Engine Bearing Chamber

Andrea Bristot, Hervé P. Morvan, Kathy Simmons, Michael Klingsporn

Proc. ASME. GT2017, Volume 2B: Turbomachinery, V02BT41A013, June 26–30, 2017

Paper No: GT2017-63436

DOI: https://doi.org/10.1115/GT2017-63436

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Topics: Aircraft engines, Bearings, Damping, Simulation, Turbulence, Flow (Dynamics), Modeling, Shear (Mechanics), Fluids, Gravity (Force)

Proceedings Papers

Computational Study of a Customised Shallow-Sump Aero-Engine Bearing Chamber With Inserts to Improve Oil Residence Volume

Akinola A. Adeniyi, Budi Chandra, Kathy Simmons

Proc. ASME. GT2017, Volume 5B: Heat Transfer, V05BT15A022, June 26–30, 2017

Paper No: GT2017-64410

DOI: https://doi.org/10.1115/GT2017-64410

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Topics: Aircraft engines, Bearings, Vents, Computational fluid dynamics, Flow (Dynamics), Pipes, Sealing (Process), Bubbles, Cooling, Drops

Proceedings Papers

Experimental Investigation Into Crater Morphology for Droplets Impinging on a Moving Film

Antony J. Mitchell, David Hann, Kathy Simmons

Proc. ASME. GT2017, Volume 2D: Turbomachinery, V02DT48A006, June 26–30, 2017

Paper No: GT2017-63443

DOI: https://doi.org/10.1115/GT2017-63443

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Topics: Drops, Cavities, Fluorescence, Performance, Water, Brightness (Photometry), Flow (Dynamics), Fluids, Gas turbines, Gravity (Force)

Proceedings Papers

Oil Film Thickness Measurements on Surfaces Close to an Aero-Engine Ball Bearing Using Optical Techniques

Jee Loong Hee, R. Santhosh, Kathy Simmons, Graham Johnson, David Hann, Michael Walsh

Proc. ASME. GT2017, Volume 7A: Structures and Dynamics, V07AT34A017, June 26–30, 2017

Paper No: GT2017-63813

DOI: https://doi.org/10.1115/GT2017-63813

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Topics: Aircraft engines, Ball bearings, Film thickness, Bearings, Stress, Flow (Dynamics), Engines, Knudsen number, Imaging, Gas turbines

Proceedings Papers

Experimental Investigation of Oil Shedding From an Aero-Engine Ball Bearing at Moderate Speeds

R. Santhosh, Jee Loong Hee, Kathy Simmons, Graham Johnson, David Hann, Michael Walsh

Proc. ASME. GT2017, Volume 7A: Structures and Dynamics, V07AT34A018, June 26–30, 2017

Paper No: GT2017-63815

DOI: https://doi.org/10.1115/GT2017-63815

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Topics: Aircraft engines, Ball bearings, Bearings, Stress, Engines, Flow (Dynamics), Knudsen number, Rotating disks, Design, Gas turbines

Proceedings Papers

Effect of Vortex Shedding on the Performance of Scoop Based Lubrication Devices

Arun Prabhakar, Yousif Abdalla Abakr, Kathy Simmons

Proc. ASME. GT2017, Volume 7A: Structures and Dynamics, V07AT34A008, June 26–30, 2017

Paper No: GT2017-63444

DOI: https://doi.org/10.1115/GT2017-63444

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Topics: Lubrication, Vortex shedding, Computational fluid dynamics, Bearings, Vortices, Aircraft, Flat plates, Fluids, Imaging, Multiphase flow

Proceedings Papers

Oil Scoop Simulation and Analysis Using CFD and SPH

Evgenia Korsukova, Arno Kruisbrink, Hervé Morvan, Paloma Paleo Cageao, Kathy Simmons

Proc. ASME. GT2016, Volume 7B: Structures and Dynamics, V07BT31A027, June 13–17, 2016

Paper No: GT2016-57554

DOI: https://doi.org/10.1115/GT2016-57554

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Topics: Computational fluid dynamics, Simulation, Particulate matter, Fluids, Nozzles, Blades, Cooling, Cutting, Engines, Flow simulation

Proceedings Papers

Oil-Air Flow Between the Cage and Inner Race of an Aeroengine Bearing

Akinola A. Adeniyi, Hervé Morvan, Kathy Simmons

Proc. ASME. GT2016, Volume 7B: Structures and Dynamics, V07BT31A022, June 13–17, 2016

Paper No: GT2016-56927

DOI: https://doi.org/10.1115/GT2016-56927

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Topics: Bearings, Flow (Dynamics), Ball bearings, Dynamics (Mechanics), Fluids, Computational fluid dynamics, Cooling, Design, Drops, Engineering simulation

Proceedings Papers

Evaluation of the SST-SAS Model for Prediction of Separated Flow Inside Turbine Internal Cooling Passages

Piotr Zacharzewski, Kathy Simmons, Richard Jefferson-Loveday, Luigi Capone

Proc. ASME. GT2016, Volume 5B: Heat Transfer, V05BT11A003, June 13–17, 2016

Paper No: GT2016-56117

DOI: https://doi.org/10.1115/GT2016-56117

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Topics: Cooling, Flow (Dynamics), Turbines, Reynolds-averaged Navier–Stokes equations, Computation, Heat transfer, Turbulence, Bubbles, Ducts, Errors

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Journal citation

NARROW

Characterisation of Waves and Ligaments in Films Close to an Aeroengine Ball Bearing

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

A New OpenFOAM Solver Capable of Modelling Oil Jet-Breakup and Subsequent Film Formation for Bearing Chamber Applications

Modelling Droplet Heat and Mass Transfer in Aero-Engine Bearing Chambers

Flow Characteristics in Aeroengine Bearing Chambers With Shallow Sump

Assessment of the Oil Scoop Capture Efficiency in High Speed Rotors

Investigation of Oil Jet Impingement on a Rotating Gear Using Lattice Boltzman Method (LBM)

Computationally Efficient Modelling of Oil Jet-Breakup and Film Formation for Bearing Chamber Applications

Numerical Investigations to Assess the Impact of Shaft Speed on the Performance of Scoop Devices

CFD Study Exploring Jet Configurations and Jet Pulsing for an Aeroengine Scoop-Based Oil Delivery System

Mechanisms for Residence Volume Reduction in Shallow Sump

Effect of Turbulence Damping in VOF Simulation of an Aero-Engine Bearing Chamber

Computational Study of a Customised Shallow-Sump Aero-Engine Bearing Chamber With Inserts to Improve Oil Residence Volume

Experimental Investigation Into Crater Morphology for Droplets Impinging on a Moving Film

Oil Film Thickness Measurements on Surfaces Close to an Aero-Engine Ball Bearing Using Optical Techniques

Experimental Investigation of Oil Shedding From an Aero-Engine Ball Bearing at Moderate Speeds

Effect of Vortex Shedding on the Performance of Scoop Based Lubrication Devices

Oil Scoop Simulation and Analysis Using CFD and SPH

Oil-Air Flow Between the Cage and Inner Race of an Aeroengine Bearing

Evaluation of the SST-SAS Model for Prediction of Separated Flow Inside Turbine Internal Cooling Passages

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