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Proceedings Papers

Numerical Observations of a Stall Phenomenon in the NASA CC3 Compressor

Michael Ni, Gregorio Robles Vega, Ron Ho Ni, John Clark, Michael List
Proc. ASME. GT2022, Volume 10C: Turbomachinery — Design Methods and CFD Modeling for Turbomachinery; Ducts, Noise, and Component Interactions, V10CT32A004, June 13–17, 2022
Paper No: GT2022-78911
DOI: https://doi.org/10.1115/GT2022-78911
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Topics: Compressors, NASA, Engineering simulation, Simulation, Flow (Dynamics), Annulus, Approximation, Design, Diffusers, Numerical analysis
Proceedings Papers

Impact of Aerodynamic Asymmetry on the Embedded Rotor Forcing and Mistuned Blade Response

Shreyas Hegde, Laith Zori, Rubens Campregher, Robert Kielb
Proc. ASME. GT2022, Volume 10D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Turbomachinery General Interest; Unsteady Flows in Turbomachinery, V10DT37A004, June 13–17, 2022
Paper No: GT2022-78101
DOI: https://doi.org/10.1115/GT2022-78101
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Topics: Blades, Compressors, Computational fluid dynamics, Rotors, Stators, Engineering simulation, Simulation, Waves, Disks, Reflection
Proceedings Papers

Characterizing Flow Instabilities During Transient Events in the Turbine Rim Seal Cavity

Maria Rozman, Eric T. DeShong, Reid A. Berdanier, Karen A. Thole, Christopher Robak
Proc. ASME. GT2022, Volume 10D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Turbomachinery General Interest; Unsteady Flows in Turbomachinery, V10DT37A021, June 13–17, 2022
Paper No: GT2022-82664
DOI: https://doi.org/10.1115/GT2022-82664
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Topics: Cavities, Flow instability, Transients (Dynamics), Turbines, Flow (Dynamics), Aircraft engines, Cooling, Cycles, Design, Energy generation
Proceedings Papers

Experimental and Computational Investigation of an Advanced Casing Treatment in a Single Stage High Speed Compressor

Nicholas H. Maher, Mark H. Ross, Scott C. Morris, Stephan Priebe, Giridhar Jothiprasad, David Allan, G. Scott McNulty, Michael Macrorie
Proc. ASME. GT2022, Volume 10A: Turbomachinery — Axial Flow Fan and Compressor Aerodynamics, V10AT29A042, June 13–17, 2022
Paper No: GT2022-83459
DOI: https://doi.org/10.1115/GT2022-83459
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Topics: Compressors, Rotors, Design, Engineering simulation, Pressure, Simulation, Computer simulation, Flow (Dynamics), Inlet guide vanes, Physics
Proceedings Papers

Numerical Investigation on Radial Turbines Aerodynamics Aimed at the Definition of Design Rules for Industrial Applications

Fabrizio Lottini, Michele Marconcini, Andrea Arnone, Davide Biliotti, Lorenzo Toni
Proc. ASME. GT2022, Volume 10B: Turbomachinery — Axial Flow Turbine Aerodynamics; Deposition, Erosion, Fouling, and Icing; Radial Turbomachinery Aerodynamics, V10BT35A009, June 13–17, 2022
Paper No: GT2022-82266
DOI: https://doi.org/10.1115/GT2022-82266
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Topics: Aerodynamics, Design, Turbines, Metals, Wheels, Geometry, Stiffness, Flow (Dynamics), Turbochargers, Computational fluid dynamics
Proceedings Papers

Model Setup for the Investigation of Flow Phenomena in a 1.5-Stage Gas Turbine Regarding Hot Gas Ingestion

Lukas Pehle, Sven Schwertner, Manfred Wirsum
Proc. ASME. GT2022, Volume 6B: Heat Transfer — General Interest/Additive Manufacturing Impacts on Heat Transfer; Internal Air Systems; Internal Cooling, V06BT14A006, June 13–17, 2022
Paper No: GT2022-81947
DOI: https://doi.org/10.1115/GT2022-81947
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Topics: Flow (Dynamics), Gas turbines, Cavities, Pressure, Sealing (Process), Wheels, Boundary-value problems, Computer simulation, Modeling, Turbines
Proceedings Papers

Effects of Turbine Conditions on Rim Seal Performance and Prediction

Shaun Burden, John W. Chew, Feng Gao, Olaf Marxen
Proc. ASME. GT2022, Volume 6B: Heat Transfer — General Interest/Additive Manufacturing Impacts on Heat Transfer; Internal Air Systems; Internal Cooling, V06BT14A016, June 13–17, 2022
Paper No: GT2022-83194
DOI: https://doi.org/10.1115/GT2022-83194
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Topics: Computational fluid dynamics, Turbines, Flow (Dynamics), Pressure, Cavities, Cooling systems, Disks, Dynamics (Mechanics), Geometry, Large eddy simulation
Proceedings Papers

Design and Development of a Fast Response Torque Meter for Unsteady Flows in Turbocharger Applications

Aakeen Parikh, Gunin Singh, Chris Noon, Harminder Flora, Ricardo Martinez-Botas
Proc. ASME. GT2022, Volume 7: Industrial and Cogeneration; Manufacturing Materials and Metallurgy; Microturbines, Turbochargers, and Small Turbomachines; Oil & Gas Applications, V007T18A014, June 13–17, 2022
Paper No: GT2022-81976
DOI: https://doi.org/10.1115/GT2022-81976
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Topics: Design, Torquemeters, Turbochargers, Unsteady flow, Torque, Compressors, Torque measurement, Boundary-value problems, Construction, Generators
Proceedings Papers

Study on Titanium Aluminide Turbine Wheel Blade Machining for Turbochargers by Electrochemical Machining (ECM)

Masahiro Aono, Tatsuya Shimizu, Nobuaki Obi, Akihiro Goto
Proc. ASME. GT2022, Volume 7: Industrial and Cogeneration; Manufacturing Materials and Metallurgy; Microturbines, Turbochargers, and Small Turbomachines; Oil & Gas Applications, V007T18A005, June 13–17, 2022
Paper No: GT2022-80752
DOI: https://doi.org/10.1115/GT2022-80752
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Topics: Blades, Machining, Titanium aluminide, Turbines, Turbochargers, Wheels
Proceedings Papers

Advanced Thermal Profiling of Turbocharger Compressor Wheels Using Phosphorescence Thermal History Coatings

Solon Karagiannopoulos, Martin Rode, David Peral, Daniel Castillo, Silvia Araguas-Rodríguez, Kieron Rai, Ryosuke Inomata, Georgios Iosifidis, Jörg Feist
Proc. ASME. GT2022, Volume 7: Industrial and Cogeneration; Manufacturing Materials and Metallurgy; Microturbines, Turbochargers, and Small Turbomachines; Oil & Gas Applications, V007T18A008, June 13–17, 2022
Paper No: GT2022-80820
DOI: https://doi.org/10.1115/GT2022-80820
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Topics: Coatings, Compressors, Cooling, Phosphorescence, Sensors, Temperature, Turbochargers, Wheels
Proceedings Papers

Efficient Forced Response Analysis for Asymmetric Vane Spacing

Benedict Geihe, Christian Frey, Graham Ashcroft
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, V08AT21A022, June 13–17, 2022
Paper No: GT2022-82983
DOI: https://doi.org/10.1115/GT2022-82983
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Topics: Blades, Engineering simulation, Engines, Excitation, Fluctuations (Physics), Fourier transforms, Inflow, Rotors, Simulation, Turbines
Proceedings Papers

Application of Intentional Mistuning to Reduce the Vibration Susceptibility of a Steam Turbine Wheel

Bernd Beirow, Mark Golze, Frederik Popig
Proc. ASME. GT2022, Volume 8B: Structures and Dynamics — Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V08BT27A016, June 13–17, 2022
Paper No: GT2022-82208
DOI: https://doi.org/10.1115/GT2022-82208
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Topics: Blades, Flutter (Aerodynamics), Steam turbines, Vibration, Wheels
Proceedings Papers

Mistuning and Damping of a Radial Turbine Wheel. Part 2: Implementation and Validation of Intentional Mistuning

Alex Nakos, Bernd Beirow, Arthur Zobel
Proc. ASME. GT2022, Volume 8B: Structures and Dynamics — Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V08BT27A006, June 13–17, 2022
Paper No: GT2022-80643
DOI: https://doi.org/10.1115/GT2022-80643
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Topics: Blades, Damping, Turbines, Vibration, Wheels, Design, Manufacturing, Accounting, Exhaust systems, Free vibrations
Proceedings Papers

Aeromechanical Optimization of Scalloping in Mixed Flow Turbines

Matthew Elliott, Stephen Spence, Martin Seiler, Marco Geron
Proc. ASME. GT2021, Volume 2D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Radial Turbomachinery Aerodynamics; Unsteady Flows in Turbomachinery, V02DT37A004, June 7–11, 2021
Paper No: GT2021-58901
DOI: https://doi.org/10.1115/GT2021-58901
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Topics: Flow (Dynamics), Optimization, Turbines, Design, Inertia (Mechanics), Engines, Stress, Rotors, Transients (Dynamics), Turbochargers
Proceedings Papers

Practical Method for Burner Staging Turbine Forced Response Evaluation

Nikola Kafedzhiyski, Maria Mayorca
Proc. ASME. GT2021, Volume 9A: Structures and Dynamics — Aerodynamics Excitation and Damping; Bearing and Seal Dynamics; Emerging Methods in Design and Engineering, V09AT23A008, June 7–11, 2021
Paper No: GT2021-59040
DOI: https://doi.org/10.1115/GT2021-59040
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Topics: Computational fluid dynamics, Turbines, Combustion chambers, Excitation, Stress, Temperature distribution, Blades, Combustion, Emissions, Engineers
Proceedings Papers

Design, Optimization and Experimental Verification of a Metal Rubber Isolator for Momentum Wheels

Yanhong Ma, Xiangxin Tang, Jie Hong
Proc. ASME. GT2021, Volume 9B: Structures and Dynamics — Fatigue, Fracture, and Life Prediction; Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V09BT29A027, June 7–11, 2021
Paper No: GT2021-59940
DOI: https://doi.org/10.1115/GT2021-59940
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Topics: Design, Metals, Momentum, Optimization, Rubber, Vibration isolation, Wheels
Proceedings Papers

HCF Optimization of a High Speed Variable Geometry Turbine

Alister Simpson, Sung in Kim, Jongyoon Park, Seong Kwon, Sejong Yoo
Proc. ASME. GT2021, Volume 9B: Structures and Dynamics — Fatigue, Fracture, and Life Prediction; Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V09BT26A010, June 7–11, 2021
Paper No: GT2021-59626
DOI: https://doi.org/10.1115/GT2021-59626
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Topics: Geometry, High cycle fatigue, Optimization, Turbines, Blades, Stress, Computational fluid dynamics, Pressure, Vibration, Cycles
Proceedings Papers

Mistuning and Damping of a Radial Turbine Wheel. Part 1: Fundamental Analyses and Design of Intentional Mistuning Pattern

Alex Nakos, Bernd Beirow, Arthur Zobel
Proc. ASME. GT2021, Volume 9B: Structures and Dynamics — Fatigue, Fracture, and Life Prediction; Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V09BT29A019, June 7–11, 2021
Paper No: GT2021-59283
DOI: https://doi.org/10.1115/GT2021-59283
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Topics: Blades, Damping, Design, Turbines, Vibration, Wheels
Proceedings Papers

Correlating Cavity Sealing Effectiveness to Time-Resolved Rim Seal Events in the Presence of Vane Trailing Edge Flow

Shawn Siroka, Iván Monge-Concepción, Reid A. Berdanier, Michael D. Barringer, Karen A. Thole, Christopher Robak
Proc. ASME. GT2021, Volume 5B: Heat Transfer — General Interest; Internal Air Systems; Internal Cooling, V05BT14A011, June 7–11, 2021
Paper No: GT2021-59285
DOI: https://doi.org/10.1115/GT2021-59285
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Topics: Cavities, Flow (Dynamics), Sealing (Process), Temperature, Coolants, Cooling, Blades, Computer simulation, Disks, Engineering simulation
Proceedings Papers

Investigation of Unsteady Flow Characteristics in Axial Rim Seal

Lei Xie, Qiang Du, Guang Liu, Zengyan Lian, Ran Ren
Proc. ASME. GT2021, Volume 5B: Heat Transfer — General Interest; Internal Air Systems; Internal Cooling, V05BT14A002, June 7–11, 2021
Paper No: GT2021-58822
DOI: https://doi.org/10.1115/GT2021-58822
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Topics: Computational fluid dynamics, Unsteady flow, Flow (Dynamics), Sealing (Process), Cavities, Wheels, Pressure, Vortices, Coriolis force, Inertia (Mechanics)