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Proceedings Papers

Improving the Film Cooling Performance of a Turbine Endwall With Multi-Fidelity Modeling Considering Conjugate Heat Transfer

Hongyan Bu, Yufeng Yang, Liming Song, Jun Li

Proc. ASME. GT2021, Volume 5A: Heat Transfer — Combustors; Film Cooling, V05AT12A006, June 7–11, 2021

Paper No: GT2021-59015

DOI: https://doi.org/10.1115/GT2021-59015

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Topics: Film cooling, Heat transfer, Modeling, Turbines, Cooling, Design, Optimization, Computation, Temperature, Bearings

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

Study of Oil Film Heat Transfer in Gas Turbine Engine Bearing Chamber

Illia Petukhov, Taras Mykhailenko, Oleksii Lysytsia, Artem Kovalov

Proc. ASME. GT2021, Volume 1: Aircraft Engine; Fans and Blowers; Marine; Wind Energy; Scholar Lecture, V001T01A008, June 7–11, 2021

Paper No: GT2021-58964

DOI: https://doi.org/10.1115/GT2021-58964

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Topics: Bearings, Gas turbines, Heat transfer, Thermal resistance

Proceedings Papers

Transient Analysis of Aircraft Oil Supply System With Fuel-Oil Heat Exchangers During Abrupt Change in Engine Operating Modes

Viktor Yevlakhov, Leonid Moroz, Andrii Khandrymailov, Yuriy Hyrka

Proc. ASME. GT2021, Volume 1: Aircraft Engine; Fans and Blowers; Marine; Wind Energy; Scholar Lecture, V001T01A016, June 7–11, 2021

Paper No: GT2021-59992

DOI: https://doi.org/10.1115/GT2021-59992

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Topics: Aircraft, Engines, Flow (Dynamics), Fuel oils, Fuels, Heat exchangers, Heat transfer, Thermofluids, Transient analysis, Temperature

Proceedings Papers

Condition Monitoring of Wind Turbines Based on the Scattering Transform of Vibration Data

Junyu Qi, Alexandre Mauricio, Konstantinos Gryllias

Proc. ASME. GT2021, Volume 1: Aircraft Engine; Fans and Blowers; Marine; Wind Energy; Scholar Lecture, V001T40A005, June 7–11, 2021

Paper No: GT2021-60280

DOI: https://doi.org/10.1115/GT2021-60280

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Topics: Bearings, Condition monitoring, Electromagnetic scattering, Radiation scattering, Scattering (Physics), Vibration, Wind turbines

Proceedings Papers

Evaluating the Influence of Rotor-Casing Eccentricity on Turbine Efficiency Including Time-Resolved Flow Field Measurements

Eric T. DeShong, Shawn Siroka, Reid A. Berdanier, Karen A. Thole

Proc. ASME. GT2021, Volume 2B: Turbomachinery — Axial Flow Turbine Aerodynamics; Deposition, Erosion, Fouling, and Icing, V02BT32A005, June 7–11, 2021

Paper No: GT2021-59112

DOI: https://doi.org/10.1115/GT2021-59112

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Topics: Flow (Dynamics), Rotors, Turbines, Clearances (Engineering), Engines, Analytical methods, Bearings, Blades, Control systems, Gas turbines

Proceedings Papers

Adaptive Geometry Representation of Turbine Vane Frames for Use in Optimization

Sebastian F. Riebl, Christian Wakelam, Reinhard Niehuis

Proc. ASME. GT2021, Volume 2C: Turbomachinery — Design Methods and CFD Modeling for Turbomachinery; Ducts, Noise, and Component Interactions, V02CT34A006, June 7–11, 2021

Paper No: GT2021-58749

DOI: https://doi.org/10.1115/GT2021-58749

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Topics: Geometry, Optimization, Turbines, Blades, Design, Parametrization, Airfoils, Bearings, Computational fluid dynamics, Computer-aided design

Proceedings Papers

Assessment of Rotor Stability for Steam Turbine Considering Labyrinth Seal Characteristics of Fluid Destabilization Force and Vibrational Frequency Effect of Bearing Coefficients

Ryokichi Hombo, Kenichi Murata, Yuichiro Waki, Nobuhiro Nagata, Makoto Iwasaki, Kazuyuki Matsumoto

Proc. ASME. GT2021, Volume 8: Oil and Gas Applications; Steam Turbine, V008T22A002, June 7–11, 2021

Paper No: GT2021-01893

DOI: https://doi.org/10.1115/GT2021-01893

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Topics: Bearings, Fluids, Rotors, Stability, Steam turbines

Proceedings Papers

The Development of Turboexpander-Generators for Gas Pressure Letdown Part I: Design and Analysis

Rasish Khatri, Jeremy Liu, Freddie Sarhan, Ovais Najeeb, Hiroshi Kajita, Mitsuru Kozuka

Proc. ASME. GT2021, Volume 8: Oil and Gas Applications; Steam Turbine, V008T20A018, June 7–11, 2021

Paper No: GT2021-60125

DOI: https://doi.org/10.1115/GT2021-60125

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Topics: Bearings, Design, Dynamics (Mechanics), Generators, Magnetic bearings, Pressure

Proceedings Papers

Bearing Skidding Detection for High Speed and Aero Engine Applications

Azzedine Dadouche, Rami Kerrouche

Proc. ASME. GT2021, Volume 9A: Structures and Dynamics — Aerodynamics Excitation and Damping; Bearing and Seal Dynamics; Emerging Methods in Design and Engineering, V09AT24A014, June 7–11, 2021

Paper No: GT2021-59122

DOI: https://doi.org/10.1115/GT2021-59122

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Topics: Aircraft engines, Bearings, Lubrication, Roller bearings, Rollers, Stress, Acoustics, Damage, Data acquisition systems, Electromagnetic induction

Proceedings Papers

Optically Observed Turbulence In Thrust Collars at Low Critical Reynolds Number Including Numerical Predictions

Thomas Kerr, Adolfo Delgado

Proc. ASME. GT2021, Volume 9A: Structures and Dynamics — Aerodynamics Excitation and Damping; Bearing and Seal Dynamics; Emerging Methods in Design and Engineering, V09AT24A026, June 7–11, 2021

Paper No: GT2021-60360

DOI: https://doi.org/10.1115/GT2021-60360

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Topics: Reynolds number, Thrust, Turbulence, Stress, Computational fluid dynamics, Bearings, Flow (Dynamics), Modeling, Particle spin, Rotation

Proceedings Papers

Static and Rotordynamic Characteristics for Two Novel Hole-Pattern Annular Liquid Seals With Circumferentially- /Axially- Oblique Hole Cavities

Zhi Fang, Zhigang Li, Jun Li, Zhenping Feng

Proc. ASME. GT2021, Volume 9A: Structures and Dynamics — Aerodynamics Excitation and Damping; Bearing and Seal Dynamics; Emerging Methods in Design and Engineering, V09AT24A013, June 7–11, 2021

Paper No: GT2021-58996

DOI: https://doi.org/10.1115/GT2021-58996

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Topics: Cavities, Leakage, Design, Abrasion, Manufacturing, Rotors, Transients (Dynamics), Bearings, Centrifugal pumps, Clearances (Engineering)

Proceedings Papers

Numerical Evaluation and High-Speed Rotating Test on Circular Arc Spring Dampers for Centrifugal Compressors

Ryota Takeuchi, Hidetsugu Ishimaru, Hideaki Yamashita, Takahiko Inoue, Shota Yabui, Tsuyoshi Inoue

Proc. ASME. GT2021, Volume 9A: Structures and Dynamics — Aerodynamics Excitation and Damping; Bearing and Seal Dynamics; Emerging Methods in Design and Engineering, V09AT24A012, June 7–11, 2021

Paper No: GT2021-58979

DOI: https://doi.org/10.1115/GT2021-58979

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Topics: Compressors, Dampers, Springs, Bearings, Damping, Evaluation methods, Fluid films, Rotors, Stability, Cavitation

Proceedings Papers

Thermohydrodynamic Modeling of a Tapered-Land Thrust Bearing With Validation Against Experimental Data

Seckin Gokaltun

Proc. ASME. GT2021, Volume 9A: Structures and Dynamics — Aerodynamics Excitation and Damping; Bearing and Seal Dynamics; Emerging Methods in Design and Engineering, V09AT24A025, June 7–11, 2021

Paper No: GT2021-60203

DOI: https://doi.org/10.1115/GT2021-60203

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Topics: Modeling, Thermohydrodynamics, Thrust bearings, Bearings, Stress, Fluid films, Heat transfer, Computational fluid dynamics, Deformation, Pressure

Proceedings Papers

Measurements to Quantify the Effect of a Reduced Flow Rate on the Performance of a Tilting Pad Journal Bearing (LBP) With Flooded Ends

Luis San Andrés, Jonathan Toner, Andy Alcantar

Proc. ASME. GT2021, Volume 9A: Structures and Dynamics — Aerodynamics Excitation and Damping; Bearing and Seal Dynamics; Emerging Methods in Design and Engineering, V09AT24A007, June 7–11, 2021

Paper No: GT2021-58771

DOI: https://doi.org/10.1115/GT2021-58771

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Topics: Bearings, Flow (Dynamics), Journal bearings, Stress, Temperature, Drag (Fluid dynamics), Babbitt metal, Damping, Energy efficiency, Floods

Proceedings Papers

Effect of Pad Material, Copper vs. Steel, on the Performance of a Tilting Pad Journal Bearing: Measurements and Predictions

Luis San Andrés, Hussain Kaizar, Hardik Jani, Manish Thorat

Proc. ASME. GT2021, Volume 9A: Structures and Dynamics — Aerodynamics Excitation and Damping; Bearing and Seal Dynamics; Emerging Methods in Design and Engineering, V09AT24A017, June 7–11, 2021

Paper No: GT2021-59401

DOI: https://doi.org/10.1115/GT2021-59401

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Topics: Copper, Journal bearings, Steel, Bearings, Stress, Temperature, Stiffness, Clearances (Engineering), Damping, Drag (Fluid dynamics)

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

Determination of the Area of Rational Use of Hybrid Bearings With Steel Rings and Ceramic Rolling Elements in High-Speed Aircraft Engines

Yury Lavrentyev, Nikolay Petrov, Yury Nozhnitsky

Proc. ASME. GT2021, Volume 9A: Structures and Dynamics — Aerodynamics Excitation and Damping; Bearing and Seal Dynamics; Emerging Methods in Design and Engineering, V09AT24A018, June 7–11, 2021

Paper No: GT2021-59872

DOI: https://doi.org/10.1115/GT2021-59872

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Topics: Aircraft engines, Bearings, Ceramics, Heat, Steel

Proceedings Papers

Influence of Ambient Pressure on Measured Stiffness and Damping of Radial Gas Foil Bearings

Jason Wilkes, Steve White

Proc. ASME. GT2021, Volume 9A: Structures and Dynamics — Aerodynamics Excitation and Damping; Bearing and Seal Dynamics; Emerging Methods in Design and Engineering, V09AT24A001, June 7–11, 2021

Paper No: GT2021-02669

DOI: https://doi.org/10.1115/GT2021-02669

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Topics: Damping, Foil bearings, Pressure, Stiffness, Bearings, Gas bearings, Gases

Proceedings Papers

Method of Coupled Vibration Control for Dual Rotor System With Inter-Shaft Bearing

Yanhong Ma, Chenglong Shi, Bo Sun, Jie Hong

Proc. ASME. GT2021, Volume 9B: Structures and Dynamics — Fatigue, Fracture, and Life Prediction; Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V09BT28A007, June 7–11, 2021

Paper No: GT2021-60162

DOI: https://doi.org/10.1115/GT2021-60162

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Topics: Bearings, Rotors, Vibration, Vibration control

2 3 4 5

NARROW

Improving the Film Cooling Performance of a Turbine Endwall With Multi-Fidelity Modeling Considering Conjugate Heat Transfer

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

Study of Oil Film Heat Transfer in Gas Turbine Engine Bearing Chamber

Transient Analysis of Aircraft Oil Supply System With Fuel-Oil Heat Exchangers During Abrupt Change in Engine Operating Modes

Condition Monitoring of Wind Turbines Based on the Scattering Transform of Vibration Data

Evaluating the Influence of Rotor-Casing Eccentricity on Turbine Efficiency Including Time-Resolved Flow Field Measurements

Adaptive Geometry Representation of Turbine Vane Frames for Use in Optimization

Assessment of Rotor Stability for Steam Turbine Considering Labyrinth Seal Characteristics of Fluid Destabilization Force and Vibrational Frequency Effect of Bearing Coefficients

The Development of Turboexpander-Generators for Gas Pressure Letdown Part I: Design and Analysis

Bearing Skidding Detection for High Speed and Aero Engine Applications

Optically Observed Turbulence In Thrust Collars at Low Critical Reynolds Number Including Numerical Predictions

Static and Rotordynamic Characteristics for Two Novel Hole-Pattern Annular Liquid Seals With Circumferentially- /Axially- Oblique Hole Cavities

Numerical Evaluation and High-Speed Rotating Test on Circular Arc Spring Dampers for Centrifugal Compressors

Thermohydrodynamic Modeling of a Tapered-Land Thrust Bearing With Validation Against Experimental Data

Measurements to Quantify the Effect of a Reduced Flow Rate on the Performance of a Tilting Pad Journal Bearing (LBP) With Flooded Ends

Effect of Pad Material, Copper vs. Steel, on the Performance of a Tilting Pad Journal Bearing: Measurements and Predictions

Experimental Investigation Into Gravity Drained Journal Bearings

Determination of the Area of Rational Use of Hybrid Bearings With Steel Rings and Ceramic Rolling Elements in High-Speed Aircraft Engines

Influence of Ambient Pressure on Measured Stiffness and Damping of Radial Gas Foil Bearings

Method of Coupled Vibration Control for Dual Rotor System With Inter-Shaft Bearing

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