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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
Publisher: American Society of Mechanical Engineers
Paper No: GT2019-90264
https://doi.org/10.1115/GT2019-90264
View Paper titled, A New OpenFOAM Solver Capable of Modelling Oil Jet-Breakup and Subsequent Film Formation for Bearing Chamber Applications
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Topics: Bearings, Modeling, Drops, Computational fluid dynamics, Particulate matter, Ducts, Film thickness, Momentum, Separation (Technology), Thin films
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
Publisher: American Society of Mechanical Engineers
Paper No: GT2019-91303
https://doi.org/10.1115/GT2019-91303
View Paper titled, The Effect of Surface Tension on Bubble Generation in Gas-Sheared Liquid Films
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Topics: Bubbles, Liquid films, Surface tension, Bearings, Aircraft engines, Brightness (Photometry), Cooling, Density, Ducts, Fluids
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
Publisher: American Society of Mechanical Engineers
Paper No: GT2019-91698
https://doi.org/10.1115/GT2019-91698
View Paper titled, Characterisation of Waves and Ligaments in Films Close to an Aeroengine Ball Bearing
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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

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
Publisher: American Society of Mechanical Engineers
Paper No: GT2019-90320
https://doi.org/10.1115/GT2019-90320
View Paper titled, Flow Characteristics in Aeroengine Bearing Chambers With Shallow Sump
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Topics: Bearings, Flow (Dynamics), Drops, Cooling, Experimental design, Film flow, Gravity (Force), Heat, Leakage, Lubrication
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
Publisher: American Society of Mechanical Engineers
Paper No: GT2019-91657
https://doi.org/10.1115/GT2019-91657
View Paper titled, Modelling Droplet Heat and Mass Transfer in Aero-Engine Bearing Chambers
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Topics: Aircraft engines, Bearings, Drops, Heat, Mass transfer, Modeling, Evaporation, Air flow, Flow (Dynamics), Temperature
Journal Articles

Assessment of the Oil Scoop Capture Efficiency in High Speed Rotors

Paloma Paleo Cageao, Kathy Simmons, Arun Prabhakar, Budi Chandra
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. January 2019, 141(1): 012401.
Paper No: GTP-17-1167
https://doi.org/10.1115/1.4040812
Published Online: October 29, 2018
View Article titled, Assessment of the Oil Scoop Capture Efficiency in High Speed Rotors
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Topics: Bearings, Centrifugal force, Flow (Dynamics), Geometry, Jets, Rotors, Visualization, Plumes (Fluid dynamics), Temperature, Pressure
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
Publisher: American Society of Mechanical Engineers
Paper No: GT2018-76177
https://doi.org/10.1115/GT2018-76177
View Paper titled, Numerical Investigations to Assess the Impact of Shaft Speed on the Performance of Scoop Devices
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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
Publisher: American Society of Mechanical Engineers
Paper No: GT2018-76182
https://doi.org/10.1115/GT2018-76182
View Paper titled, CFD Study Exploring Jet Configurations and Jet Pulsing for an Aeroengine Scoop-Based Oil Delivery System
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Topics: Computational fluid dynamics, Jets, Bearings, Design, Flow (Dynamics), Imaging, Computer software, Cycles, Fluids, Gas turbines
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
Publisher: American Society of Mechanical Engineers
Paper No: GT2018-76371
https://doi.org/10.1115/GT2018-76371
View Paper titled, Investigation of Oil Jet Impingement on a Rotating Gear Using Lattice Boltzman Method (LBM)
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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
Publisher: American Society of Mechanical Engineers
Paper No: GT2018-76172
https://doi.org/10.1115/GT2018-76172
View Paper titled, Computationally Efficient Modelling of Oil Jet-Breakup and Film Formation for Bearing Chamber Applications
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Topics: Bearings, Modeling, Drops, Particulate matter, Thin films, Film thickness, Momentum, Shear stress, Simulation, Transportation systems
Journal Articles

Mechanisms for Residence Volume Reduction in Shallow Sump

Budi Chandra, Kathy Simmons, Andrew Murphy
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. March 2018, 140(3): 032601.
Paper No: GTP-17-1185
https://doi.org/10.1115/1.4037871
Published Online: October 17, 2017
View Article titled, Mechanisms for Residence Volume Reduction in Shallow Sump
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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
Publisher: American Society of Mechanical Engineers
Paper No: GT2017-63436
https://doi.org/10.1115/GT2017-63436
View Paper titled, Effect of Turbulence Damping in VOF Simulation of an Aero-Engine Bearing Chamber
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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
Publisher: American Society of Mechanical Engineers
Paper No: GT2017-64410
https://doi.org/10.1115/GT2017-64410
View Paper titled, Computational Study of a Customised Shallow-Sump Aero-Engine Bearing Chamber With Inserts to Improve Oil Residence Volume
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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
Publisher: American Society of Mechanical Engineers
Paper No: GT2017-63443
https://doi.org/10.1115/GT2017-63443
View Paper titled, Experimental Investigation Into Crater Morphology for Droplets Impinging on a Moving Film
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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
Publisher: American Society of Mechanical Engineers
Paper No: GT2017-63813
https://doi.org/10.1115/GT2017-63813
View Paper titled, Oil Film Thickness Measurements on Surfaces Close to an Aero-Engine Ball Bearing Using Optical Techniques
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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
Publisher: American Society of Mechanical Engineers
Paper No: GT2017-63815
https://doi.org/10.1115/GT2017-63815
View Paper titled, Experimental Investigation of Oil Shedding From an Aero-Engine Ball Bearing at Moderate Speeds
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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
Publisher: American Society of Mechanical Engineers
Paper No: GT2017-63444
https://doi.org/10.1115/GT2017-63444
View Paper titled, Effect of Vortex Shedding on the Performance of Scoop Based Lubrication Devices
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Topics: Lubrication, Vortex shedding, Computational fluid dynamics, Bearings, Vortices, Aircraft, Flat plates, Fluids, Imaging, Multiphase flow
Proceedings Papers

Innovative Shallow Sump Customizations for Aero-Engine Bearing Chambers

Budi Chandra, Kathy Simmons
Proc. ASME. GT2016, Volume 1: Aircraft Engine; Fans and Blowers; Marine, V001T01A006, June 13–17, 2016
Publisher: American Society of Mechanical Engineers
Paper No: GT2016-56107
https://doi.org/10.1115/GT2016-56107
View Paper titled, Innovative Shallow Sump Customizations for Aero-Engine Bearing Chambers
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Topics: Aircraft engines, Bearings, Flow (Dynamics), Air flow, Design, Drops, Momentum, Cooling, Engines, Gas turbines
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
Publisher: American Society of Mechanical Engineers
Paper No: GT2016-56117
https://doi.org/10.1115/GT2016-56117
View Paper titled, Evaluation of the SST-SAS Model for Prediction of Separated Flow Inside Turbine Internal Cooling Passages
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Topics: Cooling, Flow (Dynamics), Turbines, Reynolds-averaged Navier–Stokes equations, Computation, Heat transfer, Turbulence, Bubbles, Ducts, Errors
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
Publisher: American Society of Mechanical Engineers
Paper No: GT2016-57554
https://doi.org/10.1115/GT2016-57554
View Paper titled, Oil Scoop Simulation and Analysis Using CFD and SPH
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Topics: Computational fluid dynamics, Simulation, Particulate matter, Fluids, Nozzles, Blades, Cooling, Cutting, Engines, Flow simulation