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Proceedings Papers

Experimental and Numerical Investigation of Effect of Inclination on sCO 2 Heat Transfer in a Circular Pipe

Emmanuel Gabriel-Ohanu, Alok Shah, Akshay Khadse, Erik Fernandez, Jayanta S. Kapat

Proc. ASME. GT2022, Volume 9: Supercritical CO2, V009T28A028, June 13–17, 2022

Paper No: GT2022-83412

DOI: https://doi.org/10.1115/GT2022-83412

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Topics: Buoyancy, Gravity (Force), Heat transfer, Pipes, Supercritical carbon dioxide

Proceedings Papers

Flow and Heat Transfer Mechanisms in a Rotating Compressor Cavity Under Centrifugal Buoyancy-Driven Convection

Feng Gao, John W. Chew

Proc. ASME. GT2021, Volume 5B: Heat Transfer — General Interest; Internal Air Systems; Internal Cooling, V05BT14A003, June 7–11, 2021

Paper No: GT2021-58907

DOI: https://doi.org/10.1115/GT2021-58907

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Topics: Buoyancy, Cavities, Compressors, Convection, Flow (Dynamics), Heat transfer, Disks, Engineering simulation, Forced convection, Gravity (Force)

Proceedings Papers

A Numerical Sensitivity Study of Modeling Parameters in the Combustion of a Swirler

Saja H. Al-Rifai, Cheng-Xian Lin, Brian T. Bohan, Marc D. Polanka

Proc. ASME. GT2021, Volume 3A: Combustion, Fuels, and Emissions, V03AT04A055, June 7–11, 2021

Paper No: GT2021-59392

DOI: https://doi.org/10.1115/GT2021-59392

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Topics: Combustion, Modeling, Turbulence, Gravity (Force), Prandtl number, Computation, Computational fluid dynamics, Diffusion (Physics), Disks, Gas turbines

Proceedings Papers

Experimental Investigation Into Gravity Drained Journal Bearings

Rohit Khattar, Sudeep Bosu, Kashinath Akki, Amit Paspulati

Proc. ASME. GT2021, Volume 9A: Structures and Dynamics — Aerodynamics Excitation and Damping; Bearing and Seal Dynamics; Emerging Methods in Design and Engineering, V09AT24A008, June 7–11, 2021

Paper No: GT2021-58804

DOI: https://doi.org/10.1115/GT2021-58804

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Topics: Gravity (Force), Journal bearings, Bearings, Design, Flow (Dynamics), Drainage, Kinetic energy, Rotors, Swirling flow, Failure

Proceedings Papers

Flow in a Simulated Turbine Blade Cooling Channel With Spatially Varying Roughness Caused by Additive Manufacturing Orientation

Stephen T. McClain, David R. Hanson, Emily Cinnamon, Jacob C. Snyder, Robert F. Kunz, Karen A. Thole

Proc. ASME. GT2020, Volume 7A: Heat Transfer, V07AT15A031, September 21–25, 2020

Paper No: GT2020-16069

DOI: https://doi.org/10.1115/GT2020-16069

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Topics: Additive manufacturing, Cooling, Flow (Dynamics), Surface roughness, Turbine blades, Turbulence, Friction, Computational fluid dynamics, Dimensions, Gravity (Force)

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

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

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

Proceedings Papers

Large-Eddy Simulation of Buoyancy-Induced Flow in a Sealed Rotating Cavity

Diogo B. Pitz, John W. Chew, Olaf Marxen

Proc. ASME. GT2018, Volume 5B: Heat Transfer, V05BT15A003, June 11–15, 2018

Paper No: GT2018-75111

DOI: https://doi.org/10.1115/GT2018-75111

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Topics: Buoyancy, Cavities, Flow (Dynamics), Large eddy simulation, Boundary layers, Disks, Temperature, Convection, Fluctuations (Physics), Gas turbines

Proceedings Papers

Coupled Analysis of the Rotor-Dynamic Fluid Forces in the Annular Plain Seal and the Shaft Vibration

K. Miyake, A. Ikemoto, M. Uchiumi, T. Inoue

Proc. ASME. GT2018, Volume 7A: Structures and Dynamics, V07AT33A008, June 11–15, 2018

Paper No: GT2018-75271

DOI: https://doi.org/10.1115/GT2018-75271

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Topics: Fluids, Rotors, Vibration, Flow (Dynamics), Machinery, Pressure, Anisotropy, Poisson equation, Stability, Stiffness

Proceedings Papers

LCF Initiated - HCF Propagated Crack Life Estimation of Gas Turbine Bolts

Amit K. Paspulati, Krishna Veluru, Kashinath Akki, Rohit Khattar, Sudeep Bosu, Santosh Narasimhachary

Proc. ASME. GT2018, Volume 7A: Structures and Dynamics, V07AT31A016, June 11–15, 2018

Paper No: GT2018-76968

DOI: https://doi.org/10.1115/GT2018-76968

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Topics: Fracture (Materials), Gas turbines, High cycle fatigue, Crack propagation, Rotors, Low cycle fatigue, Compressors, Engines, Fatigue, Gravity (Force)

Proceedings Papers

Experimental Optimization of Rolls-Royce AE3007 Sump Design

Budi W. Chandra, Steven H. Collicott, John H. Munson

Proc. ASME. GT2017, Volume 1: Aircraft Engine; Fans and Blowers; Marine; Honors and Awards, V001T01A022, June 26–30, 2017

Paper No: GT2017-64030

DOI: https://doi.org/10.1115/GT2017-64030

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Topics: Design, Optimization, Bearings, Engineering prototypes, Gravity (Force), Outflow, Transparency, Two-phase flow

Proceedings Papers

Lateral Equilibrium Position Analysis Program With Applications to Electric Submersible Pumps

Clay S. Norrbin, Dara W. Childs

Proc. ASME. GT2017, Volume 7B: Structures and Dynamics, V07BT33A003, June 26–30, 2017

Paper No: GT2017-63459

DOI: https://doi.org/10.1115/GT2017-63459

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Topics: Equilibrium (Physics), Pumps, Submersibles, Gravity (Force), Buoyancy, Fluids, Rotordynamics, Rotors, Seas, Stability

Proceedings Papers

A Coupled 1D Film Hydrodynamics and Core Gas Flow Model for Air-Oil Flows in Aero-Engine Bearing Chambers

B. Kakimpa, H. P. Morvan, S. Hibberd

Proc. ASME. GT2017, Volume 2B: Turbomachinery, V02BT41A045, June 26–30, 2017

Paper No: GT2017-64693

DOI: https://doi.org/10.1115/GT2017-64693

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Topics: Aircraft engines, Bearings, Flow (Dynamics), Gas flow, Hydrodynamics, Shear stress, Air flow, Design, Dimensions, Film thickness

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

On the Force Coefficients of a Flooded, Open Ends Short Length Squeeze Film Damper: From Theory to Practice (and Back)

Luis San Andrés, Sean Den, Sung-Hwa Jeung

Proc. ASME. GT2017, Volume 7A: Structures and Dynamics, V07AT34A003, June 26–30, 2017

Paper No: GT2017-63152

DOI: https://doi.org/10.1115/GT2017-63152

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Topics: Dampers, Damping, Lubricants, Pressure, Inertia (Mechanics), Aircraft engines, Bridges (Structures), Clearances (Engineering), Design, Excitation

Proceedings Papers

A Flow Starvation Model for Tilting Pad Journal Bearings and Evaluation of Frequency Response Functions: A Contribution Towards Understanding the Onset of Low Frequency Shaft Motions

Luis San Andrés, Bonjin Koo, Makoto Hemmi

Proc. ASME. GT2017, Volume 7A: Structures and Dynamics, V07AT34A030, June 26–30, 2017

Paper No: GT2017-64822

DOI: https://doi.org/10.1115/GT2017-64822

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Topics: Flow (Dynamics), Frequency response, Journal bearings, Bearings, Lubricants, Rotors, Stress, Damping, Lubrication, Fluids

NARROW

Experimental and Numerical Investigation of Effect of Inclination on sCO 2 Heat Transfer in a Circular Pipe

Flow and Heat Transfer Mechanisms in a Rotating Compressor Cavity Under Centrifugal Buoyancy-Driven Convection

A Numerical Sensitivity Study of Modeling Parameters in the Combustion of a Swirler

Experimental Investigation Into Gravity Drained Journal Bearings

Flow in a Simulated Turbine Blade Cooling Channel With Spatially Varying Roughness Caused by Additive Manufacturing Orientation

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

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

Flow Characteristics in Aeroengine Bearing Chambers With Shallow Sump

Large-Eddy Simulation of Buoyancy-Induced Flow in a Sealed Rotating Cavity

Coupled Analysis of the Rotor-Dynamic Fluid Forces in the Annular Plain Seal and the Shaft Vibration

LCF Initiated - HCF Propagated Crack Life Estimation of Gas Turbine Bolts

Experimental Optimization of Rolls-Royce AE3007 Sump Design

Lateral Equilibrium Position Analysis Program With Applications to Electric Submersible Pumps

A Coupled 1D Film Hydrodynamics and Core Gas Flow Model for Air-Oil Flows in Aero-Engine Bearing Chambers

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

On the Force Coefficients of a Flooded, Open Ends Short Length Squeeze Film Damper: From Theory to Practice (and Back)

A Flow Starvation Model for Tilting Pad Journal Bearings and Evaluation of Frequency Response Functions: A Contribution Towards Understanding the Onset of Low Frequency Shaft Motions

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