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Proceedings Papers

Investigation of a High-Pressure Turbine Stage in a High-Speed Rotating Transient Test Facility for Rotor Tip Study and a Parametric Study for Improved Heat Transfer Calculation

Deepanshu Singh, Paul F. Beard, David Cardwell, Kam S. Chana

Proc. ASME. GT2022, Volume 10B: Turbomachinery — Axial Flow Turbine Aerodynamics; Deposition, Erosion, Fouling, and Icing; Radial Turbomachinery Aerodynamics, V10BT30A005, June 13–17, 2022

Paper No: GT2022-80388

DOI: https://doi.org/10.1115/GT2022-80388

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Topics: Heat transfer, High pressure (Physics), Rotors, Test facilities, Transients (Dynamics), Turbines, Nozzle guide vanes, Gages, Heat flux, Temperature profiles

Proceedings Papers

Predictions of Falling Wavy Films Based on the Depth Averaged Thin Film Model and Its Application to Aeroengine Bearing Chamber

K. Singh, A. Nicoli, R. Jefferson-Loveday, S. Ambrose, P. Paleo Cageao, K. Johnson, S. Mouvanal, J. Cao, A. Jacobs

Proc. ASME. GT2022, Volume 10C: Turbomachinery — Design Methods and CFD Modeling for Turbomachinery; Ducts, Noise, and Component Interactions, V10CT32A001, June 13–17, 2022

Paper No: GT2022-78010

DOI: https://doi.org/10.1115/GT2022-78010

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Topics: Bearings, Thin films, Engineering simulation, Simulation, Flow (Dynamics), Excitation, Film thickness, Momentum, Physics, Robustness

Proceedings Papers

Numerical Simulation of Multi-Scale Oil Films on a Rotating Cup Using VOF and Coupled Eulerian Thin-Film-DPM Approaches

A. Nicoli, K. Singh, R. Jefferson-Loveday, S. Ambrose, S. Mouvanal

Proc. ASME. GT2022, Volume 10C: Turbomachinery — Design Methods and CFD Modeling for Turbomachinery; Ducts, Noise, and Component Interactions, V10CT32A033, June 13–17, 2022

Paper No: GT2022-82533

DOI: https://doi.org/10.1115/GT2022-82533

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Topics: Bearings, Computer simulation, Drops, Engineering simulation, Engines, Film thickness, Flow (Dynamics), Fluids, Gas turbines, Geometry

Proceedings Papers

The Influence of Turbulence and Reynolds Number on Endwall Heat Transfer in a Vane Cascade

Maliha Yel Mahi, Emmanuel Chukwuemeka, Shaun Donovan, Forrest Ames, Yousef Kanani, Sumanta Acharya

Proc. ASME. GT2022, Volume 6B: Heat Transfer — General Interest/Additive Manufacturing Impacts on Heat Transfer; Internal Air Systems; Internal Cooling, V06BT13A022, June 13–17, 2022

Paper No: GT2022-83477

DOI: https://doi.org/10.1115/GT2022-83477

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Topics: Cascades (Fluid dynamics), Heat transfer, Reynolds number, Turbulence, Flow (Dynamics), Chords (Trusses), Cooling, Design, Resolution (Optics), Suction

Proceedings Papers

Stability and Unbalance Analysis of Rigid Rotors Supported by Spiral Groove Bearings: Comparison of Different Approaches

Elia Iseli, Jürg Schiffmann

Proc. ASME. GT2021, Volume 6: Ceramics and Ceramic Composites; Coal, Biomass, Hydrogen, and Alternative Fuels; Microturbines, Turbochargers, and Small Turbomachines, V006T19A013, June 7–11, 2021

Paper No: GT2021-59513

DOI: https://doi.org/10.1115/GT2021-59513

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Topics: Bearings, Rotors, Stability, Compressibility, Gas bearings, Transients (Dynamics), Center of mass, Equations of motion, Excitation, Fluids

Proceedings Papers

Phantom Cooling Effects on Rotor Blade Surface Heat Flux in a Transonic Full Scale 1+1/2 Stage Rotating Turbine

Richard J. Anthony, John Finnegan, John P. Clark

Proc. ASME. GT2020, Volume 7C: Heat Transfer, V07CT13A024, September 21–25, 2020

Paper No: GT2020-15836

DOI: https://doi.org/10.1115/GT2020-15836

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Topics: Blades, Heat flux, Phantom cooling, Rotors, Turbines, Film cooling, High pressure (Physics), Pressure, Air Force, Leakage flows

Proceedings Papers

The Influence of Turbulence and Reynolds Number on Multiple Slot Film Cooling Over the Suction Surface

L. W. Soma, F. E. Ames, S. Acharya

Proc. ASME. GT2020, Volume 7B: Heat Transfer, V07BT12A057, September 21–25, 2020

Paper No: GT2020-15619

DOI: https://doi.org/10.1115/GT2020-15619

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Topics: Film cooling, Reynolds number, Suction, Turbulence, Cooling, Flow (Dynamics), Thin films, Geometry, Heat, Stress

Proceedings Papers

Novel Approach for Optical Characterization of Thrust Collar Lubricated Area: Experimental and Numerical Results

Thomas Kerr, Adolfo Delgado

Proc. ASME. GT2020, Volume 10A: Structures and Dynamics, V10AT25A025, September 21–25, 2020

Paper No: GT2020-15467

DOI: https://doi.org/10.1115/GT2020-15467

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Topics: Thrust, Cavitation, Stress, Turbulence, Computational fluid dynamics, Modeling, Pressure, Algorithms, Bearings, Compressors

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

Comparison of Thin Film Heat Flux Gauge Technologies Emphasizing Continuous-Duration Operation

Shawn Siroka, Reid A. Berdanier, Karen A. Thole, Kam S. Chana, Charles W. Haldeman, Richard J. Anthony

Proc. ASME. GT2019, Volume 5A: Heat Transfer, V05AT13A013, June 17–21, 2019

Paper No: GT2019-91817

DOI: https://doi.org/10.1115/GT2019-91817

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Topics: Gages, Heat flux, Thin films, Sensors, Turbines, Nanofabrication, Temperature, Test facilities, Thermal properties, Ambiguity

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

Prediction of Film Thickness of an Aero-Engine Bearing Chamber Using Coupled VOF and Thin Film Model

Kuldeep Singh, Medhat Sharabi, Stephen Ambrose, Carol Eastwick, Richard Jefferson-Loveday

Proc. ASME. GT2019, Volume 2C: Turbomachinery, V02CT41A026, June 17–21, 2019

Paper No: GT2019-91314

DOI: https://doi.org/10.1115/GT2019-91314

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Topics: Aircraft engines, Bearings, Film thickness, Thin films, Air flow, Fluids, Lubricants

Proceedings Papers

Assessment of an Enhanced Thin Film Model to Capture Wetting and Drying Behavior in an Aero-Engine Bearing Chamber

Kuldeep Singh, Medhat Sharabi, Stephen Ambrose, Carol Eastwick, Richard Jefferson-Loveday, Jing Cao, Adrian Jacobs

Proc. ASME. GT2019, Volume 2C: Turbomachinery, V02CT41A027, June 17–21, 2019

Paper No: GT2019-91323

DOI: https://doi.org/10.1115/GT2019-91323

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Topics: Aircraft engines, Bearings, Drying, Thin films, Wetting, Film thickness, Lubricants, Air flow, Flat plates, 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

On the Development of a Pressure Actuated Leaf Seal for Turbomachinery Applications

Ernesto Pedraza-Valle, Georgios Papageorgiou, Aaron Bowsher, Peter F. Crudgington, Carl M. Sangan, Patrick S. Keogh, James A. Scobie

Proc. ASME. GT2019, Volume 5B: Heat Transfer, V05BT15A009, June 17–21, 2019

Paper No: GT2019-90991

DOI: https://doi.org/10.1115/GT2019-90991

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Topics: Pressure, Turbomachinery, Leakage, Clearances (Engineering), Pressure drop, Rotors, Design, Displacement, Eddies (Fluid dynamics), Eddy currents (Electricity)

Proceedings Papers

The Influence of Turbulence and Reynolds Number on Slot Film Cooling Over the Downstream Pressure Surface

L. W. Soma, F. E. Ames, S. Acharya

Proc. ASME. GT2019, Volume 5B: Heat Transfer, V05BT19A007, June 17–21, 2019

Paper No: GT2019-90508

DOI: https://doi.org/10.1115/GT2019-90508

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Topics: Film cooling, Pressure, Reynolds number, Turbulence, Cooling, Flow (Dynamics), Jets, Chords (Trusses), Coolants, Density

Proceedings Papers

3D Heat Transfer Assessment of Full-Scale Inlet Vanes With Surface-Optimized Film Cooling: Part 2 — Conjugate CFD Simulations

J. J. Johnson, J. P. Clark, R. A. Anthony, M. K. Ooten, R. H. Ni, W. H. Humber

Proc. ASME. GT2019, Volume 5B: Heat Transfer, V05BT19A025, June 17–21, 2019

Paper No: GT2019-91864

DOI: https://doi.org/10.1115/GT2019-91864

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Topics: Computational fluid dynamics, Engineering simulation, Film cooling, Heat transfer, Simulation, Cooling, Design, Engines, Pressure, Boundary-value problems

Proceedings Papers

Heat Transfer Coefficient Characterization for Large Aspect-Ratio Thin Films in Film-Riding Seals

James A. Tallman, Rahul A. Bidkar

Proc. ASME. GT2018, Volume 5B: Heat Transfer, V05BT13A009, June 11–15, 2018

Paper No: GT2018-76168

DOI: https://doi.org/10.1115/GT2018-76168

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Topics: Heat transfer coefficients, Thin films, Bearings, Rotors, Uncertainty, Computational fluid dynamics, Deformation, Fluids, Ducts, Flow (Dynamics)

Proceedings Papers

Three Dimensional Velocity and Temperature Field Measurements of Internal and External Turbine Blade Features Using Magnetic Resonance Thermometry

Michael J. Benson, Bret P. Van Poppel, Christopher J. Elkins, Mark Owkes

Proc. ASME. GT2018, Volume 5B: Heat Transfer, V05BT13A015, June 11–15, 2018

Paper No: GT2018-76874

DOI: https://doi.org/10.1115/GT2018-76874

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Topics: Magnetic resonance, Temperature, Temperature measurement, Turbine blades, Airfoils, Cooling, Flow (Dynamics), Computational fluid dynamics, Magnetic resonance imaging, Reynolds number

Proceedings Papers

Effect of Coolant Injection Angle on Nozzle Endwall Film Cooling: Experimental and Numerical Analysis in Linear Cascade

Lamyaa El-Gabry, Hongzhou Xu, Kevin Liu, James Chang, Michael Fox

Proc. ASME. GT2018, Volume 5C: Heat Transfer, V05CT19A016, June 11–15, 2018

Paper No: GT2018-75877

DOI: https://doi.org/10.1115/GT2018-75877

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Topics: Cascades (Fluid dynamics), Coolants, Film cooling, Nozzles, Numerical analysis, Flow (Dynamics), Computational fluid dynamics, Cooling, Gas turbines, Temperature

NARROW

Investigation of a High-Pressure Turbine Stage in a High-Speed Rotating Transient Test Facility for Rotor Tip Study and a Parametric Study for Improved Heat Transfer Calculation

Predictions of Falling Wavy Films Based on the Depth Averaged Thin Film Model and Its Application to Aeroengine Bearing Chamber

Numerical Simulation of Multi-Scale Oil Films on a Rotating Cup Using VOF and Coupled Eulerian Thin-Film-DPM Approaches

The Influence of Turbulence and Reynolds Number on Endwall Heat Transfer in a Vane Cascade

Stability and Unbalance Analysis of Rigid Rotors Supported by Spiral Groove Bearings: Comparison of Different Approaches

Phantom Cooling Effects on Rotor Blade Surface Heat Flux in a Transonic Full Scale 1+1/2 Stage Rotating Turbine

The Influence of Turbulence and Reynolds Number on Multiple Slot Film Cooling Over the Suction Surface

Novel Approach for Optical Characterization of Thrust Collar Lubricated Area: Experimental and Numerical Results

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

Comparison of Thin Film Heat Flux Gauge Technologies Emphasizing Continuous-Duration Operation

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

Prediction of Film Thickness of an Aero-Engine Bearing Chamber Using Coupled VOF and Thin Film Model

Assessment of an Enhanced Thin Film Model to Capture Wetting and Drying Behavior in an Aero-Engine Bearing Chamber

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

On the Development of a Pressure Actuated Leaf Seal for Turbomachinery Applications

The Influence of Turbulence and Reynolds Number on Slot Film Cooling Over the Downstream Pressure Surface

3D Heat Transfer Assessment of Full-Scale Inlet Vanes With Surface-Optimized Film Cooling: Part 2 — Conjugate CFD Simulations

Heat Transfer Coefficient Characterization for Large Aspect-Ratio Thin Films in Film-Riding Seals

Three Dimensional Velocity and Temperature Field Measurements of Internal and External Turbine Blade Features Using Magnetic Resonance Thermometry

Effect of Coolant Injection Angle on Nozzle Endwall Film Cooling: Experimental and Numerical Analysis in Linear Cascade

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