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Proceedings Papers

Fully Coupled Analysis of Flutter Induced Limit Cycles: Frequency vs. Time Domain Methods

Christian Berthold, Johann Groß, Christian Frey, Malte Krack
Proc. ASME. GT2022, Volume 8A: Structures and Dynamics — Aerodynamics Excitation and Damping; Bearing and Seal Dynamics; Emerging Methods in Engineering Design, Analysis, and Additive Manufacturing; Fatigue, Fracture, and Life Prediction, V08AT21A001, June 13–17, 2022
Paper No: GT2022-77999
DOI: https://doi.org/10.1115/GT2022-77999
View Paper titled, Fully Coupled Analysis of Flutter Induced Limit Cycles: Frequency vs. Time Domain Methods
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Topics: Flutter (Aerodynamics), Limit cycles, Fluid structure interaction, Oscillations, Blades, Friction, Vibration, Aircraft engines, Boundary-value problems, Damping
Proceedings Papers

Accurate Blade Tip Timing Placement on a Centrifugal Impeller Using As-Manufactured Modeling

Daniel L. Gillaugh, Alexander A. Kaszynksi, Trevor C. Tomlin, Jeffrey M. Brown, Joseph A. Beck, Emily B. Carper
Proc. ASME. GT2022, Volume 8B: Structures and Dynamics — Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V08BT27A035, June 13–17, 2022
Paper No: GT2022-83415
DOI: https://doi.org/10.1115/GT2022-83415
View Paper titled, Accurate Blade Tip Timing Placement on a Centrifugal Impeller Using As-Manufactured Modeling
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Topics: Blades, Impellers, Modeling, Stress, Finite element analysis, Rotors, Safety, Deflection, Accounting, Airfoils
Proceedings Papers

Wake Structure in Yawed Approaching Flows for an Axial-Flow Wind Turbine

Mohammad H. B. Ahmadi, Zhiyin Yang
Proc. ASME. GT2022, Volume 11: Wind Energy, V011T38A022, June 13–17, 2022
Paper No: GT2022-83444
DOI: https://doi.org/10.1115/GT2022-83444
View Paper titled, Wake Structure in Yawed Approaching Flows for an Axial-Flow Wind Turbine
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Topics: Axial flow, Flow (Dynamics), Wakes, Wind turbines, Turbines, Yaw, Actuators, Blades, Deflection, Horizontal axis wind turbines
Proceedings Papers

Effect of Deflection Angle on Flow and Heat Transfer in a Rotating U-Channel

Honglin Li, Lei Li, Zhonghao Tang, Zhenyuan Zhang, Tianyu Yuan
Proc. ASME. GT2022, Volume 6B: Heat Transfer — General Interest/Additive Manufacturing Impacts on Heat Transfer; Internal Air Systems; Internal Cooling, V06BT15A027, June 13–17, 2022
Paper No: GT2022-83271
DOI: https://doi.org/10.1115/GT2022-83271
View Paper titled, Effect of Deflection Angle on Flow and Heat Transfer in a Rotating U-Channel
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Topics: Deflection, Flow (Dynamics), Heat transfer
Proceedings Papers

Multidisciplinary Optimization of Radial Outflow Turbines With Highly Deformable Blades

André Governo, Bayindir H. Saracoglu
Proc. ASME. GT2022, Volume 7: Industrial and Cogeneration; Manufacturing Materials and Metallurgy; Microturbines, Turbochargers, and Small Turbomachines; Oil & Gas Applications, V007T18A022, June 13–17, 2022
Paper No: GT2022-84333
DOI: https://doi.org/10.1115/GT2022-84333
View Paper titled, Multidisciplinary Optimization of Radial Outflow Turbines With Highly Deformable Blades
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Topics: Blades, Optimization, Outflow, Turbines, Flow (Dynamics), Rotors, Cavities, Design, Stress, Air flow
Proceedings Papers

Investigation of Adjacent Lifted Flames Interaction in an Inline and Inclined Multi-Burner Arrangement

Mohamed Shamma, Sven Hoffmann, Stefan Raphael Harth, Nikolaos Zarzalis, Dimosthenis Trimis, Rainer Koch, Hans-Jörg Bauer, Leonardo Langone, Sofia Galeotti, Antonio Andreini
Proc. ASME. GT2021, Volume 3B: Combustion, Fuels, and Emissions, V03BT04A020, June 7–11, 2021
Paper No: GT2021-59941
DOI: https://doi.org/10.1115/GT2021-59941
View Paper titled, Investigation of Adjacent Lifted Flames Interaction in an Inline and Inclined Multi-Burner Arrangement
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Topics: Flames, Combustion chambers, Emissions, Nitrogen oxides, Stability, Sprays, Aircraft engines, Boundary-value problems, Chemiluminescence, Combustion
Proceedings Papers

Cascade With Sinusoidal Leading Edges: Identification And Quantification of Deflection With Unsupervised Machine Learning

Alessandro Corsini, Giovanni Delibra, Lorenzo Tieghi, Francesco Aldo Tucci
Proc. ASME. GT2021, Volume 1: Aircraft Engine; Fans and Blowers; Marine; Wind Energy; Scholar Lecture, V001T10A006, June 7–11, 2021
Paper No: GT2021-59277
DOI: https://doi.org/10.1115/GT2021-59277
View Paper titled, Cascade With Sinusoidal Leading Edges: Identification And Quantification of Deflection With Unsupervised Machine Learning
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Topics: Cascades (Fluid dynamics), Deflection, Machine learning
Proceedings Papers

Numerical Investigation of the Low-Swirl Flow in an Aeronautical Combustor With Angular Air Supply

Sven Hoffmann, Rainer Koch, Hans-Jörg Bauer
Proc. ASME. GT2021, Volume 2C: Turbomachinery — Design Methods and CFD Modeling for Turbomachinery; Ducts, Noise, and Component Interactions, V02CT34A019, June 7–11, 2021
Paper No: GT2021-59286
DOI: https://doi.org/10.1115/GT2021-59286
View Paper titled, Numerical Investigation of the Low-Swirl Flow in an Aeronautical Combustor With Angular Air Supply
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Topics: Combustion chambers, Flow (Dynamics), Ejectors, Flames, Momentum, Aerodynamics, Air flow, Air traffic control, Angular momentum, Deflection
Proceedings Papers

Loss Characterization of Advanced VIGV Configurations With Adjustable Blade Geometry

Roman G. Frank, Christian Wacker, Reinhard Niehuis
Proc. ASME. GT2021, Volume 2D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Radial Turbomachinery Aerodynamics; Unsteady Flows in Turbomachinery, V02DT37A002, June 7–11, 2021
Paper No: GT2021-58548
DOI: https://doi.org/10.1115/GT2021-58548
View Paper titled, Loss Characterization of Advanced VIGV Configurations With Adjustable Blade Geometry
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Topics: Blades, Geometry, Flow (Dynamics), Compressors, Cascades (Fluid dynamics), Chords (Trusses), Deflection, Flow separation, Impellers, Inlet guide vanes
Proceedings Papers

High-Fidelity Simulations of Multi-Jet Impingement Cooling Flows

J. Javier Otero-Pérez, Richard D. Sandberg, Satoshi Mizukami, Koichi Tanimoto
Proc. ASME. GT2020, Volume 7A: Heat Transfer, V07AT15A011, September 21–25, 2020
Paper No: GT2020-14728
DOI: https://doi.org/10.1115/GT2020-14728
View Paper titled, High-Fidelity Simulations of Multi-Jet Impingement Cooling Flows
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Topics: Engineering simulation, Flow (Dynamics), Impingement cooling, Simulation, Cross-flow, Heat transfer, Turbulence, Inflow, Computer simulation, Deflection
Proceedings Papers

Forced Response Variation of a Compressor Utilizing Blade Tip Timing, Strain Gages, and As-Manufactured Finite Element Models

Daniel L. Gillaugh, Timothy J. Janczewski, Alexander A. Kaszynski, Jeffrey M. Brown, Joseph A. Beck, Chase Nessler
Proc. ASME. GT2020, Volume 11: Structures and Dynamics: Structural Mechanics, Vibration, and Damping; Supercritical CO2, V011T30A022, September 21–25, 2020
Paper No: GT2020-15054
DOI: https://doi.org/10.1115/GT2020-15054
View Paper titled, Forced Response Variation of a Compressor Utilizing Blade Tip Timing, Strain Gages, and As-Manufactured Finite Element Models
Open the PDF for Forced Response Variation of a Compressor Utilizing Blade Tip Timing, Strain Gages, and As-Manufactured Finite Element Models in another window
Topics: Blades, Compressors, Finite element model, Strain gages, Safety, Stress, Accounting, Chords (Trusses), Deflection, Dynamic response
Proceedings Papers

Profile Loss Investigations With a S-CO2 Axial Turbine Aerofoil

R. Senthil Kumaran, Dilipkumar B. Alone, Pramod Kumar
Proc. ASME. GT2020, Volume 11: Structures and Dynamics: Structural Mechanics, Vibration, and Damping; Supercritical CO2, V011T31A015, September 21–25, 2020
Paper No: GT2020-15651
DOI: https://doi.org/10.1115/GT2020-15651
View Paper titled, Profile Loss Investigations With a S-CO2 Axial Turbine Aerofoil
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Topics: Airfoils, Brayton cycle, Cascades (Fluid dynamics), Deflection, Flow (Dynamics), Supercritical carbon dioxide, Turbines
Proceedings Papers

Aeroelastic Modelling of Three-Dimensional Lifting Bodies With an Accelerated Boundary Element Method

Ludwig Könnecke, Joseph Saverin
Proc. ASME. GT2020, Volume 12: Wind Energy, V012T42A013, September 21–25, 2020
Paper No: GT2020-15613
DOI: https://doi.org/10.1115/GT2020-15613
View Paper titled, Aeroelastic Modelling of Three-Dimensional Lifting Bodies With an Accelerated Boundary Element Method
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Topics: Boundary element methods, Modeling, Lift (Fluid dynamics), Deflection, Euler-Bernoulli beam theory, Simulation, Simulation results, Torsion, Wings
Proceedings Papers

LM9000 Passive Clearance Control (PCC)

Simone Marchetti, Duccio Nappini, Roberto De Prosperis, Paolo Di Sisto
Proc. ASME. GT2020, Volume 9: Oil and Gas Applications; Organic Rankine Cycle Power Systems; Steam Turbine, V009T21A003, September 21–25, 2020
Paper No: GT2020-14119
DOI: https://doi.org/10.1115/GT2020-14119
View Paper titled, LM9000 Passive Clearance Control (PCC)
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Topics: Clearances (Engineering), Design, Turbines, Engines, Pressure, Control systems, Engineering simulation, Flow (Dynamics), Blades, Compressors
Proceedings Papers

Analysis of Friction-Saturated Flutter Vibrations With a Fully-Coupled Frequency Domain Method

Christian Berthold, Johann Gross, Christian Frey, Malte Krack
Proc. ASME. GT2020, Volume 10A: Structures and Dynamics, V10AT24A032, September 21–25, 2020
Paper No: GT2020-16253
DOI: https://doi.org/10.1115/GT2020-16253
View Paper titled, Analysis of Friction-Saturated Flutter Vibrations With a Fully-Coupled Frequency Domain Method
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Topics: Flutter (Aerodynamics), Friction, Vibration, Oscillations, Damping, Limit cycles, Aerodynamics, Algorithms, Boundary-value problems, Deflection
Proceedings Papers

Additively Manufactured Compliant Hybrid Gas Thrust Bearing for sCO 2 Turbomachinery: Experimental Evaluation and Fluid-Structure Model Predictions

Bugra Ertas, Keith Gary, Adolfo Delgado
Proc. ASME. GT2020, Volume 10A: Structures and Dynamics, V10AT25A018, September 21–25, 2020
Paper No: GT2020-14964
DOI: https://doi.org/10.1115/GT2020-14964
View Paper titled, Additively Manufactured Compliant Hybrid Gas Thrust Bearing for sCO 2 Turbomachinery: Experimental Evaluation and Fluid-Structure Model Predictions
Open the PDF for Additively Manufactured Compliant Hybrid Gas Thrust Bearing for sCO 2 Turbomachinery: Experimental Evaluation and Fluid-Structure Model Predictions in another window
Topics: Additive manufacturing, Fluids, Thrust bearings, Turbomachinery, Stress, Bearings, Pressure, Hydrostatics, Thrust, Deflection
Proceedings Papers

Identification of Dynamic Coefficients of a Five-Pad Tilting Pad Journal Bearing up to Highest Surface Speeds

Philipp Zemella, Thomas Hagemann, Bastian Pfau, Hubert Schwarze
Proc. ASME. GT2020, Volume 10A: Structures and Dynamics, V10AT25A019, September 21–25, 2020
Paper No: GT2020-14991
DOI: https://doi.org/10.1115/GT2020-14991
View Paper titled, Identification of Dynamic Coefficients of a Five-Pad Tilting Pad Journal Bearing up to Highest Surface Speeds
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Topics: Journal bearings, Bearings, Stress, Damping, Excitation, Flow (Dynamics), Stiffness, Rotors, Algorithms, Deflection
Proceedings Papers

Additively Manufactured Compliant Hybrid Gas Thrust Bearing for sCO 2 Turbomachinery: Design and Proof of Concept Testing

Bugra Ertas
Proc. ASME. GT2020, Volume 10A: Structures and Dynamics, V10AT25A017, September 21–25, 2020
Paper No: GT2020-14959
DOI: https://doi.org/10.1115/GT2020-14959
View Paper titled, Additively Manufactured Compliant Hybrid Gas Thrust Bearing for sCO 2 Turbomachinery: Design and Proof of Concept Testing
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Topics: Additive manufacturing, Design, Testing, Thrust bearings, Turbomachinery, Bearings, Thrust, Deflection, Stiffness, Clearances (Engineering)
Proceedings Papers

Aerodynamic Design Aspects for Stator of Highly Loaded Tandem Bladed Axial Compressor

Ajey Singh, Chetan S. Mistry
Proc. ASME. GT2020, Volume 2A: Turbomachinery, V02AT32A062, September 21–25, 2020
Paper No: GT2020-15968
DOI: https://doi.org/10.1115/GT2020-15968
View Paper titled, Aerodynamic Design Aspects for Stator of Highly Loaded Tandem Bladed Axial Compressor
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Topics: Compressors, Design, Stators, Rotors, Flow (Dynamics), Blades, Shapes, Flow turning, Wakes, Boundary layers
Proceedings Papers

High-Frequency Instability Driving Potential of Premixed Jet Flames in a Tubular Combustor due to Dynamic Compression and Deflection

Payam Mohammadzadeh Keleshtery, Gerrit Heilmann, Christoph Hirsch, Lukasz Panek, Michael Huth, Thomas Sattelmayer
Proc. ASME. GT2020, Volume 4A: Combustion, Fuels, and Emissions, V04AT04A060, September 21–25, 2020
Paper No: GT2020-15048
DOI: https://doi.org/10.1115/GT2020-15048
View Paper titled, High-Frequency Instability Driving Potential of Premixed Jet Flames in a Tubular Combustor due to Dynamic Compression and Deflection
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Topics: Combustion chambers, Compression, Deflection, Flames, Design, Dynamics (Mechanics), Heat, Turbulence, Acoustics, Chemiluminescence