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Proceedings Papers

Stability of a Rotor Partially-Filled With Fluid: Test Facility and Experimental Results

Marie Kasprzyk, John Sentmanat, Adolfo Delgado
Proc. ASME. GT2022, Volume 8B: Structures and Dynamics — Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V08BT26A008, June 13–17, 2022
Paper No: GT2022-82200
https://doi.org/10.1115/GT2022-82200
View Paper titled, Stability of a Rotor Partially-Filled With Fluid: Test Facility and Experimental Results
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Topics: Fluids, Rotors, Stability, Test facilities, Vibration, Damping, Bearings, Dampers, Excitation, Gas turbines
Proceedings Papers

Design and Characterization of the OSU Rotor 67 Blisk for Future Damping and Mistuning Studies at Design Speed

Chris Keener, Kiran D’Souza
Proc. ASME. GT2022, Volume 8B: Structures and Dynamics — Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V08BT27A023, June 13–17, 2022
Paper No: GT2022-82717
https://doi.org/10.1115/GT2022-82717
View Paper titled, Design and Characterization of the OSU Rotor 67 Blisk for Future Damping and Mistuning Studies at Design Speed
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Topics: Damping, Design, Rotors, Airfoils, Disks, Gas turbines, Aviation, Dampers, Dynamics (Mechanics), Finite element model
Proceedings Papers

Simulating Stall Inception in a High-Performance Fan With Clean and Distorted Inlets

Andrew M. Bedke, Tyler Adams, Steve E. Gorrell
Proc. ASME. GT2022, Volume 10A: Turbomachinery — Axial Flow Fan and Compressor Aerodynamics, V10AT29A019, June 13–17, 2022
Paper No: GT2022-82031
https://doi.org/10.1115/GT2022-82031
View Paper titled, Simulating Stall Inception in a High-Performance Fan With Clean and Distorted Inlets
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Topics: Stall inception, Aircraft, Vortices, Blades, Chords (Trusses), Fans, Flow (Dynamics), Shock (Mechanics), Annulus, Clearances (Engineering)
Proceedings Papers

Harmonic Method for Simulating Unsteady Multispool Interactions

Feng Wang, Luca di Mare
Proc. ASME. GT2022, Volume 10C: Turbomachinery — Design Methods and CFD Modeling for Turbomachinery; Ducts, Noise, and Component Interactions, V10CT32A044, June 13–17, 2022
Paper No: GT2022-83460
https://doi.org/10.1115/GT2022-83460
View Paper titled, Harmonic Method for Simulating Unsteady Multispool Interactions
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Topics: Blades, Boundary-value problems, Compressors, Design, Engines, Jet engines, Pressure, Simulation, Temperature, Temperature distribution
Proceedings Papers

The Validation of a Parametric Leading Edge Model for Probabilistic CFD Analyses of Post-Service Compressor Airfoils

Lukas Schlüter, Paul Voigt, Matthias Voigt, Ronald Mailach, Robin Schmidt, Mirco Rostamian, Bernd Becker
Proc. ASME. GT2022, Volume 10D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Turbomachinery General Interest; Unsteady Flows in Turbomachinery, V10DT34A003, June 13–17, 2022
Paper No: GT2022-78309
https://doi.org/10.1115/GT2022-78309
View Paper titled, The Validation of a Parametric Leading Edge Model for Probabilistic CFD Analyses of Post-Service Compressor Airfoils
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Topics: Airfoils, Compressors, Computational fluid dynamics, Shapes, Rotors, Blades, Electromagnetic scattering, Flow simulation, High pressure (Physics), Jet engines
Proceedings Papers

An Upgraded Chemical Kinetic Mechanism for ISO-Octane Oxidation: Prediction of Polyaromatics Formation in Laminar Counterflow Diffusion Flames

Astrid Ramirez Hernandez, Trupti Kathrotia, Torsten Methling, Marina Braun-Unkhoff, Uwe Riedel
Proc. ASME. GT2022, Volume 2: Coal, Biomass, Hydrogen, and Alternative Fuels; Controls, Diagnostics, and Instrumentation; Steam Turbine, V002T03A017, June 13–17, 2022
Paper No: GT2022-83053
https://doi.org/10.1115/GT2022-83053
View Paper titled, An Upgraded Chemical Kinetic Mechanism for ISO-Octane Oxidation: Prediction of Polyaromatics Formation in Laminar Counterflow Diffusion Flames
Open the PDF for An Upgraded Chemical Kinetic Mechanism for ISO-Octane Oxidation: Prediction of Polyaromatics Formation in Laminar Counterflow Diffusion Flames in another window
Topics: Diffusion flames, Flames, Oxidation, Ignition delay, Soot, Combustion, Gasoline, Ignition, Jet engines, Jet fuels
Proceedings Papers

Design of Annular Thermoelectric Generators System to Recover Waste Heat From Aircraft Jet Engine

Mutabe Aljaghtham
Proc. ASME. GT2022, Volume 7: Industrial and Cogeneration; Manufacturing Materials and Metallurgy; Microturbines, Turbochargers, and Small Turbomachines; Oil & Gas Applications, V007T16A005, June 13–17, 2022
Paper No: GT2022-82087
https://doi.org/10.1115/GT2022-82087
View Paper titled, Design of Annular Thermoelectric Generators System to Recover Waste Heat From Aircraft Jet Engine
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Topics: Aircraft, Design, Generators, Germanium, Jet engines, Silicon, Waste heat
Proceedings Papers

Fused Deposition Modeling Fabrication Evaluation of a Ti-6Al-4V Centrifugal Compressor

Justin Warner, Dino Celli, Onome Scott-Emuakpor, Tommy George, Trevor Tomlin
Proc. ASME. GT2022, Volume 7: Industrial and Cogeneration; Manufacturing Materials and Metallurgy; Microturbines, Turbochargers, and Small Turbomachines; Oil & Gas Applications, V007T17A025, June 13–17, 2022
Paper No: GT2022-83321
https://doi.org/10.1115/GT2022-83321
View Paper titled, Fused Deposition Modeling Fabrication Evaluation of a Ti-6Al-4V Centrifugal Compressor
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Topics: Compressors, Manufacturing, Modeling, Printing, Metals, Polymers, Steel, Aluminum, Shrinkage (Materials), Blades
Proceedings Papers

Asynchronous Communication Pattern for Reducing Simulation Time in Engine Performance Models

Charles Krouse, Brian Connolly, Emilio Gordon
Proc. ASME. GT2022, Volume 1: Aircraft Engine; Ceramics and Ceramic Composites, V001T01A017, June 13–17, 2022
Paper No: GT2022-81823
https://doi.org/10.1115/GT2022-81823
View Paper titled, Asynchronous Communication Pattern for Reducing Simulation Time in Engine Performance Models
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Topics: Engines, Simulation, Aircraft engines, Combined cycles, Computer software, Gas turbines, Jet engines, Modeling, Propulsion, Propulsion systems
Proceedings Papers

Digital Service Twin to Assess Engine Deterioration and Remaining Part Life

Markus Klein, Stephan Staudacher, Kimon Abu-Taa, Jonas Schwengler
Proc. ASME. GT2022, Volume 1: Aircraft Engine; Ceramics and Ceramic Composites, V001T01A020, June 13–17, 2022
Paper No: GT2022-82113
https://doi.org/10.1115/GT2022-82113
View Paper titled, Digital Service Twin to Assess Engine Deterioration and Remaining Part Life
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Topics: Engines, Databases, Flight, Cycles, Damage, Jet engines, Performance, Resolution (Optics), Sensitivity analysis, Service life (Equipment)
Proceedings Papers

Experimental Determination of Heat Transfer Coefficient on Impingement Cooled Gear Flanks: Validation of the Evaluation Method

Emre Ayan, Felix C. von Plehwe, Marc C. Keller, Christian Kromer, Corina Schwitzke, Hans-Jörg Bauer
Proc. ASME. GT2021, Volume 5B: Heat Transfer — General Interest; Internal Air Systems; Internal Cooling, V05BT13A004, June 7–11, 2021
Paper No: GT2021-58838
https://doi.org/10.1115/GT2021-58838
View Paper titled, Experimental Determination of Heat Transfer Coefficient on Impingement Cooled Gear Flanks: Validation of the Evaluation Method
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Topics: Evaluation methods, Gears, Heat transfer coefficients, Heat transfer, Temperature, Thermocouples, Impingement cooling, Algorithms, Design, Gear teeth
Proceedings Papers

Influence of Acoustically Excited Airflows on a Planar Airblast Prefilmer

Thomas Christou, Björn Stelzner, Nikolaos Zarzalis
Proc. ASME. GT2021, Volume 3A: Combustion, Fuels, and Emissions, V03AT04A022, June 7–11, 2021
Paper No: GT2021-58862
https://doi.org/10.1115/GT2021-58862
View Paper titled, Influence of Acoustically Excited Airflows on a Planar Airblast Prefilmer
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Topics: Acoustics, Air flow, Jet engines, Sprays, Combustion chambers, Emissions, Excitation, Oscillations, Drops, Flames
Proceedings Papers

Characterization of a Newly Designed Test Bench for Investigations of Flame-Wall-Interaction

Rahand Dalshad, Tobias Sander, Michael Pfitzner
Proc. ASME. GT2021, Volume 3A: Combustion, Fuels, and Emissions, V03AT04A043, June 7–11, 2021
Paper No: GT2021-59170
https://doi.org/10.1115/GT2021-59170
View Paper titled, Characterization of a Newly Designed Test Bench for Investigations of Flame-Wall-Interaction
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Topics: Flames, Combustion chambers, Combustion, Heat, Atmospheric pressure, Chemiluminescence, Design, Engines, Fluorescence, Heat conduction
Proceedings Papers

An Experimental Investigation Into the Impacts of Varying the Circumferential Extent of Tip-Low Total Pressure Distortion on Fan Stability

Oliver Allen, Alejandro Castillo Pardo, Cesare A. Hall
Proc. ASME. GT2021, Volume 2A: Turbomachinery — Axial Flow Fan and Compressor Aerodynamics, V02AT31A036, June 7–11, 2021
Paper No: GT2021-59851
https://doi.org/10.1115/GT2021-59851
View Paper titled, An Experimental Investigation Into the Impacts of Varying the Circumferential Extent of Tip-Low Total Pressure Distortion on Fan Stability
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Topics: Pressure, Stability, Annulus, Rotors, Blades, Boundary layers, Diluents, Inflow, Jet engines, Pressure measurement
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
https://doi.org/10.1115/GT2021-58749
View Paper titled, Adaptive Geometry Representation of Turbine Vane Frames for Use in Optimization
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Topics: Geometry, Optimization, Turbines, Blades, Design, Parametrization, Airfoils, Bearings, Computational fluid dynamics, Computer-aided design
Proceedings Papers

Probabilistic Approach for Optimizing Uncertainties of Input Variables to Reach a Desired Confidence Level

Andriy Prots, Matthias Voigt, Ronald Mailach, Philip Magin, Florian Danner
Proc. ASME. GT2021, Volume 2D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Radial Turbomachinery Aerodynamics; Unsteady Flows in Turbomachinery, V02DT36A012, June 7–11, 2021
Paper No: GT2021-59442
https://doi.org/10.1115/GT2021-59442
View Paper titled, Probabilistic Approach for Optimizing Uncertainties of Input Variables to Reach a Desired Confidence Level
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Topics: Uncertainty, Computational fluid dynamics, Boundary-value problems, Geometry, Compressors, Design, Jet engines, Measurement uncertainty, Sensors
Proceedings Papers

Uncertainty Quantification of a Jet Engine Performance Model Under Scarce Data Availability

Norbert Ludwig, Giulia Antinori, Marco Daub, Fabian Duddeck
Proc. ASME. GT2021, Volume 2D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Radial Turbomachinery Aerodynamics; Unsteady Flows in Turbomachinery, V02DT36A006, June 7–11, 2021
Paper No: GT2021-58604
https://doi.org/10.1115/GT2021-58604
View Paper titled, Uncertainty Quantification of a Jet Engine Performance Model Under Scarce Data Availability
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Topics: Jet engines, Uncertainty quantification, Manufacturing, Uncertainty, Design, Flow (Dynamics), Probability, Gaussian distribution, Robustness
Proceedings Papers

Heat Transfer Performance of Internal Cooling Turbine Blades Using Cutted-Root Rib Design

Cong-Truong Dinh, Tai-Duy Vu, Tan-Hung Dinh, Phi-Minh Nguyen
Proc. ASME. GT2020, Volume 7A: Heat Transfer, V07AT15A024, September 21–25, 2020
Paper No: GT2020-15389
https://doi.org/10.1115/GT2020-15389
View Paper titled, Heat Transfer Performance of Internal Cooling Turbine Blades Using Cutted-Root Rib Design
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Topics: Cooling, Design, Heat transfer, Turbine blades, Temperature, Computational fluid dynamics, Flow (Dynamics), Fluid dynamics, Gas turbines, Geometry
Proceedings Papers

Consideration of Simplified Structural Models for Turbine Vane Modal Analysis

Natalie S. Korpics, Reid A. Berdanier
Proc. ASME. GT2020, Volume 11: Structures and Dynamics: Structural Mechanics, Vibration, and Damping; Supercritical CO2, V011T30A038, September 21–25, 2020
Paper No: GT2020-15806
https://doi.org/10.1115/GT2020-15806
View Paper titled, Consideration of Simplified Structural Models for Turbine Vane Modal Analysis
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Topics: Modal analysis, Turbines, Modeling, Blades, Design, Disks, Engineers, Engines, Failure mechanisms, Finite element analysis
Proceedings Papers

Parallel Harmonic Balance Method for Analysis of Nonlinear Dynamical Systems

J. Blahoš, A. Vizzaccaro, L. Salles, F. El Haddad
Proc. ASME. GT2020, Volume 11: Structures and Dynamics: Structural Mechanics, Vibration, and Damping; Supercritical CO2, V011T30A028, September 21–25, 2020
Paper No: GT2020-15392
https://doi.org/10.1115/GT2020-15392
View Paper titled, Parallel Harmonic Balance Method for Analysis of Nonlinear Dynamical Systems
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Topics: Aircraft engines, Algorithms, Blades, Computer software, Design, Jet engines, Modeling, Nonlinear dynamical systems, Solid mechanics, Vibration