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Proceedings Papers

Impact of Swirling Entropy Waves on a High Pressure Turbine

Andrea Notaristefano, Paolo Gaetani
Proc. ASME. GT2021, Volume 2D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Radial Turbomachinery Aerodynamics; Unsteady Flows in Turbomachinery, V02DT39A009, June 7–11, 2021
Paper No: GT2021-59598
DOI: https://doi.org/10.1115/GT2021-59598
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Topics: Entropy, High pressure (Physics), Swirling flow, Turbines, Waves, Combustion chambers, Stators, Rotors, Temperature, Aerodynamic flow
Proceedings Papers

On the Effect of Noise Induced Dynamics on Linear Growth Rates of Oscillations in an Electroacoustic Rijke Tube Simulator

Neha Vishnoi, Pankaj Wahi, Aditya Saurabh, Lipika Kabiraj
Proc. ASME. GT2021, Volume 3A: Combustion, Fuels, and Emissions, V03AT04A013, June 7–11, 2021
Paper No: GT2021-58691
DOI: https://doi.org/10.1115/GT2021-58691
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Topics: Dynamics (Mechanics), Noise (Sound), Oscillations, Stability, Combustion chambers, Acoustics, Gas turbines, Bifurcation, Combustion, Damping
Proceedings Papers

Confidence in Flame Impulse Response Estimation From LES With Uncertain Thermal Boundary Conditions

Sagar Kulkarni, Shuai Guo, Camilo F. Silva, Wolfgang Polifke
Proc. ASME. GT2021, Volume 3A: Combustion, Fuels, and Emissions, V03AT04A002, June 7–11, 2021
Paper No: GT2021-58352
DOI: https://doi.org/10.1115/GT2021-58352
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Topics: Boundary-value problems, Flames, Impulse (Physics), Uncertainty, Combustion chambers, Temperature, Dynamic response, Stability, Combustion, Dynamics (Mechanics)
Proceedings Papers

Delay Identification in Thermoacoustics

F. Gant, G. Ghirardo, A. Cuquel, M. R. Bothien
Proc. ASME. GT2021, Volume 3A: Combustion, Fuels, and Emissions, V03AT04A024, June 7–11, 2021
Paper No: GT2021-58903
DOI: https://doi.org/10.1115/GT2021-58903
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Topics: Delays, Thermoacoustics, Flames, Noise (Sound), Acoustics, Combustion, Time series, Damping, Dynamics (Mechanics), Engineering simulation
Proceedings Papers

Ranking of Aircraft Fuel-Injectors Regarding Low Frequency Thermoacoustics Based on an Energy Balance Method

André Fischer, Claus Lahiri
Proc. ASME. GT2021, Volume 3B: Combustion, Fuels, and Emissions, V03BT04A011, June 7–11, 2021
Paper No: GT2021-59561
DOI: https://doi.org/10.1115/GT2021-59561
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Topics: Acoustics, Aircraft, Energy budget (Physics), Flames, Fuel injectors, Thermoacoustics, Transfer functions, Aircraft engines, Combustion chambers, Combustion systems
Proceedings Papers

Towards Reduced Order Models of Small-Scale Acoustically Significant Components in Gas Turbine Combustion Chambers

Suhas A. Kowshik, Sumukha Shridhar, N. C. W. Treleaven
Proc. ASME. GT2021, Volume 3B: Combustion, Fuels, and Emissions, V03BT04A013, June 7–11, 2021
Paper No: GT2021-59601
DOI: https://doi.org/10.1115/GT2021-59601
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Topics: Acoustics, Combustion chambers, Gas turbines, Simulation, Computational fluid dynamics, Flow (Dynamics), Artificial neural networks, Damping, Cooling, Design
Proceedings Papers

Effects of Surface Waviness on Fan Blade Boundary Layer Transition and Profile Loss — Part I: Methodology and Computational Results

Jinwook Lee, Zoltán S. Spakovszky, Edward M. Greitzer, Mark Drela, Jérôme Talbotec
Proc. ASME. GT2021, Volume 2A: Turbomachinery — Axial Flow Fan and Compressor Aerodynamics, V02AT31A010, June 7–11, 2021
Paper No: GT2021-58676
DOI: https://doi.org/10.1115/GT2021-58676
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Topics: Blades, Boundary layers, Wavelength, Acoustics, Composite materials, Computation, Energy transformation, Flow (Dynamics), Noise (Sound), Surface waves (Fluid)
Proceedings Papers

Design and Flow Analysis of a Rim-Driven Hub-Less Axial Flow Fan

Hanqing Yang, Yijun Wang, Jinju Sun, Bangyi Wang, Youwei He, Peng Song
Proc. ASME. GT2021, Volume 2A: Turbomachinery — Axial Flow Fan and Compressor Aerodynamics, V02AT31A018, June 7–11, 2021
Paper No: GT2021-58812
DOI: https://doi.org/10.1115/GT2021-58812
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Topics: Axial flow, Design, Flow (Dynamics), Fans, Pressure, Design methodology, Airfoils, Dimensions, FORTRAN, Noise (Sound)
Proceedings Papers

Computational and Experimental Studies of Model Fans for Advanced Turbofan Engines

S. V. Pankov, V. N. Korzhnev, V. I. Mileshin, V. A. Fateev
Proc. ASME. GT2021, Volume 2A: Turbomachinery — Axial Flow Fan and Compressor Aerodynamics, V02AT31A034, June 7–11, 2021
Paper No: GT2021-59524
DOI: https://doi.org/10.1115/GT2021-59524
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Topics: Engines, Fans, Turbofans, Blades, Rotors, Acoustics, Design, Waste-to-energy, Computation, Ducts
Proceedings Papers

Noise Characteristics of Automobile Cooling Fan Based On Circumferential Mode Analysis

Pengfei Chai, Zonghan Sun, Zhiqiang Chang, Zhigang Peng, Jie Tian, Hua Ouyang
Proc. ASME. GT2021, Volume 2C: Turbomachinery — Design Methods and CFD Modeling for Turbomachinery; Ducts, Noise, and Component Interactions, V02CT35A007, June 7–11, 2021
Paper No: GT2021-59214
DOI: https://doi.org/10.1115/GT2021-59214
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Topics: Automobiles, Cooling, Noise (Sound)
Proceedings Papers

Selecting a Compressor Meridional Topology: Axial, Mixed, Radial

Jonathan M. Smyth, Robert J. Miller
Proc. ASME. GT2021, Volume 2C: Turbomachinery — Design Methods and CFD Modeling for Turbomachinery; Ducts, Noise, and Component Interactions, V02CT34A013, June 7–11, 2021
Paper No: GT2021-59121
DOI: https://doi.org/10.1115/GT2021-59121
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Topics: Compressors, Topology, Design, Blades, Geometry, Computational fluid dynamics, Flow (Dynamics), Manufacturing, Noise (Sound), Optimization
Proceedings Papers

Numerical Investigation of the Interaction Between Gas-Turbine Engine Components With Dynamic Mode Tracking

Carlos Pérez Arroyo, Jérôme Dombard, Florent Duchaine, Laurent Gicquel, Nicolas Odier
Proc. ASME. GT2021, Volume 2C: Turbomachinery — Design Methods and CFD Modeling for Turbomachinery; Ducts, Noise, and Component Interactions, V02CT34A041, June 7–11, 2021
Paper No: GT2021-60087
DOI: https://doi.org/10.1115/GT2021-60087
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Topics: Engines, Gas turbines, Impellers, Blades, Combustion chambers, Diffusers, Compressors, Computational fluid dynamics, Design, Simulation
Proceedings Papers

Data-Driven Approach for Identifying Mistuning in As-Manufactured Blisks

Sean T. Kelly, Andrea Lupini, Bogdan I. Epureanu
Proc. ASME. GT2021, Volume 9B: Structures and Dynamics — Fatigue, Fracture, and Life Prediction; Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V09BT29A025, June 7–11, 2021
Paper No: GT2021-59887
DOI: https://doi.org/10.1115/GT2021-59887
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Topics: Artificial neural networks, Blades, Cantilevers, Computational methods, Damping, Density, Disks, Dynamics (Mechanics), Engines, Excitation
Proceedings Papers

Zonal Detached Eddy Simulation of the Fan-OGV Stage of a Modern Turbofan Engine

Benjamin François, Raphaël Barrier, Cyril Polacsek
Proc. ASME. GT2020, Volume 2A: Turbomachinery, V02AT32A004, September 21–25, 2020
Paper No: GT2020-14239
DOI: https://doi.org/10.1115/GT2020-14239
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Topics: Eddies (Fluid dynamics), Engines, Simulation, Turbofans, Reynolds-averaged Navier–Stokes equations, Air flow, Blades, Flow (Dynamics), Shapes, Turbulence
Proceedings Papers

Performance of a Low Speed Axial Fan Under Distortion: An Experimental Investigation

Sumit Tambe, Ugaitz Bartolomé Oseguera, Arvind Gangoli Rao
Proc. ASME. GT2020, Volume 2A: Turbomachinery, V02AT32A040, September 21–25, 2020
Paper No: GT2020-14956
DOI: https://doi.org/10.1115/GT2020-14956
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Topics: Aircraft, Boundary layers, Design, Engines, Flight, Flow (Dynamics), Fuels, Inflow, Microphones, Noise (Sound)
Proceedings Papers

DGEN Aeropropulsion Research Turbofan Core/Combustor-Noise Measurements: Experiment and Modal Structure at Core-Nozzle Exit

Devin K. Boyle, Brenda S. Henderson, Lennart S. Hultgren
Proc. ASME. GT2020, Volume 2D: Turbomachinery, V02DT36A006, September 21–25, 2020
Paper No: GT2020-14194
DOI: https://doi.org/10.1115/GT2020-14194
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Topics: Combustion chambers, Noise (Sound), Nozzles, Turbofans
Proceedings Papers

Analysis of Aeroacoustic Phenomena in Centrifugal Compressors Using a Lattice Boltzmann Flow Simulation Approach

Rahul Phogat, Néstor González Díez, Jan Smeulers, Damiano Casalino, Francesco Avallone
Proc. ASME. GT2020, Volume 2D: Turbomachinery, V02DT36A001, September 21–25, 2020
Paper No: GT2020-14157
DOI: https://doi.org/10.1115/GT2020-14157
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Topics: Acoustics, Compressors, Flow simulation, Lattice Boltzmann methods, Resonance, Impellers, Flow (Dynamics), Pressure, Vibration, Accounting
Proceedings Papers

Influence of Purge Temperature Variation on the Performance of Turbine Center Frames

Patrick Jagerhofer, Andreas Peters, Emil Göttlich, Wolfgang Sanz, Federica Farisco
Proc. ASME. GT2020, Volume 2C: Turbomachinery, V02CT35A008, September 21–25, 2020
Paper No: GT2020-14502
DOI: https://doi.org/10.1115/GT2020-14502
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Topics: Temperature, Turbines, Flow (Dynamics), Engines, Ducts, Computational fluid dynamics, Cooling, Pressure, Simulation, Turbine components
Proceedings Papers

Noise Attenuation Potential Using Helmholtz Absorbers Integrated in Low Pressure Turbine Exit Guide Vanes and Turbine Exit Casing End Walls

Manuel Zenz, Loris Simonassi, Philipp Bruckner, Simon Pramstrahler, Franz Heitmeir, Andreas Marn
Proc. ASME. GT2020, Volume 2D: Turbomachinery, V02DT36A007, September 21–25, 2020
Paper No: GT2020-14233
DOI: https://doi.org/10.1115/GT2020-14233
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Topics: Acoustics, Guide vanes, Noise (Sound), Pressure, Turbines
Proceedings Papers

Measurements of Multiple Pure Tone Propagation From a High Bypass Turbofan Rotor in an Internal Flow Facility

Richard F. Bozak
Proc. ASME. GT2020, Volume 2D: Turbomachinery, V02DT36A002, September 21–25, 2020
Paper No: GT2020-14161
DOI: https://doi.org/10.1115/GT2020-14161
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Topics: Internal flow, Rotors, Turbofans, Blades, Shock (Mechanics), Acoustics, Ducts, Pressure, Pressure transducers, Noise (Sound)