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Proceedings Papers

Acoustic-Convective Interference In Transfer Functions of Methane/Hydrogen and Pure Hydrogen Flames

Eirik Æsøy, José G. Aguilar, Mirko R. Bothien, Nicholas A. Worth, James R. Dawson

Proc. ASME. GT2021, Volume 3B: Combustion, Fuels, and Emissions, V03BT04A028, June 7–11, 2021

Paper No: GT2021-60058

DOI: https://doi.org/10.1115/GT2021-60058

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Topics: Acoustics, Flames, Hydrogen, Methane, Transfer functions, Flow (Dynamics), Ejectors, Screws, Excitation, Geometry

Proceedings Papers

Thermoacoustic Instabilities of Hydrogen-Enriched Partially Premixed Flames in a Swirl Combustor

Y. Gong, D. Fredrich, A. J. Marquis, W. P. Jones, I. Boxx

Proc. ASME. GT2021, Volume 3B: Combustion, Fuels, and Emissions, V03BT04A023, June 7–11, 2021

Paper No: GT2021-60009

DOI: https://doi.org/10.1115/GT2021-60009

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Topics: Combustion chambers, Flames, Hydrogen, Chemistry, Combustion, Oscillations, Chemical reactions, Density, Dynamics (Mechanics), Feedback

Proceedings Papers

Unsteady Pressure Measurements in a Heated Rotating Cavity

Richard W. Jackson, Hui Tang, James A. Scobie, Oliver J. Pountney, Carl M. Sangan, J. Michael Owen, Gary D. Lock

Proc. ASME. GT2021, Volume 5B: Heat Transfer — General Interest; Internal Air Systems; Internal Cooling, V05BT14A005, June 7–11, 2021

Paper No: GT2021-59090

DOI: https://doi.org/10.1115/GT2021-59090

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Topics: Cavities, Pressure measurement, Vortices, Buoyancy, Engines, Flow (Dynamics), Aircraft engines, Cavity flows, Compressors, Computational fluid dynamics

Proceedings Papers

Analysis of Swirl Number Effects on Effusion Flow Behaviour Using Time Resolved PIV

T. Lenzi, A. Picchi, A. Andreini, B. Facchini

Proc. ASME. GT2021, Volume 5A: Heat Transfer — Combustors; Film Cooling, V05AT11A001, June 7–11, 2021

Paper No: GT2021-59217

DOI: https://doi.org/10.1115/GT2021-59217

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Topics: Flow (Dynamics), Tin, Cooling, Swirling flow, Combustion chambers, Jets, Momentum, Turbulence, Coolants, Cooling systems

Proceedings Papers

Bayesian Machine Learning for the Prognosis of Combustion Instabilities From Noise

Ushnish Sengupta, Carl E. Rasmussen, Matthew P. Juniper

Proc. ASME. GT2020, Volume 4A: Combustion, Fuels, and Emissions, V04AT04A047, September 21–25, 2020

Paper No: GT2020-14904

DOI: https://doi.org/10.1115/GT2020-14904

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Topics: Combustion, Machine learning, Noise (Sound), Acoustics, Flames, Algorithms, Artificial neural networks, Boundary-value problems, Combustion chambers, Fingerprints

Proceedings Papers

The Effects of Reynolds Number on the Stall and Pre-Stall Behaviour of Compact Axial Compressors

Jack Hutchings, Cesare Hall

Proc. ASME. GT2020, Volume 2A: Turbomachinery, V02AT32A051, September 21–25, 2020

Paper No: GT2020-15384

DOI: https://doi.org/10.1115/GT2020-15384

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Topics: Compressors, Reynolds number, Flow (Dynamics), Rotors, Pressure, Spectra (Spectroscopy), Blades, Compression, Geometry, Pressure measurement

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

Experimental Study of Cyclic Synchronous Vibration of an Integrally Geared Centrifugal Compressor for Air Separation Application

Zhusan Luo, Carl L. Schwarz, Fabio Martins, Anthony Rosati

Proc. ASME. GT2020, Volume 10B: Structures and Dynamics, V10BT29A020, September 21–25, 2020

Paper No: GT2020-15949

DOI: https://doi.org/10.1115/GT2020-15949

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Topics: Compressors, Separation (Technology), Vibration, Cycles, Machinery, Phase shift, Signal processing, Spectra (Spectroscopy)

Proceedings Papers

Single Nodal Diameter Excitation of Turbine Blades: Experimental and Theoretical Study

Thomas Hoffmann, Lars Panning-von Scheidt, Jörg Wallaschek

Proc. ASME. GT2020, Volume 11: Structures and Dynamics: Structural Mechanics, Vibration, and Damping; Supercritical CO2, V011T30A008, September 21–25, 2020

Paper No: GT2020-14282

DOI: https://doi.org/10.1115/GT2020-14282

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Topics: Excitation, Turbine blades, Blades, Engines, Vibration, Spectra (Spectroscopy), Aerodynamics, Disks, Fluid-dynamic forces, Geometry

Proceedings Papers

Pre-Stall Waves: Precursors to Stall Inception in a Contra-Rotating Axial Fan

Manas Madasseri Payyappalli, A. M. Pradeep

Proc. ASME. GT2020, Volume 2E: Turbomachinery, V02ET41A010, September 21–25, 2020

Paper No: GT2020-14371

DOI: https://doi.org/10.1115/GT2020-14371

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Topics: Stall inception, Waves, Compressors, Design, Excitation, Fluids, Inflow, Rotors, Spectra (Spectroscopy)

Proceedings Papers

Effect of Noise and Nonlinearities on Thermoacoustics of Can-Annular Combustors

G. Ghirardo, J. P. Moeck, M. R. Bothien

Proc. ASME. GT2019, Volume 4A: Combustion, Fuels, and Emissions, V04AT04A032, June 17–21, 2019

Paper No: GT2019-90546

DOI: https://doi.org/10.1115/GT2019-90546

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Topics: Combustion chambers, Noise (Sound), Thermoacoustics, Flames, Ducts, Engineering simulation, Simulation, Turbines, Acoustics, Engines

Proceedings Papers

Combustion Instabilities of Separated Stratified Swirling Flames With Different Degrees of Premixedness

Xinyao Wang, Xiao Han, Xin Hui, Chi Zhang, Heng Song, Yuzhen Lin, Chih-Jen Sung

Proc. ASME. GT2019, Volume 4A: Combustion, Fuels, and Emissions, V04AT04A052, June 17–21, 2019

Paper No: GT2019-90852

DOI: https://doi.org/10.1115/GT2019-90852

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Topics: Combustion, Flames, Swirling flow, Fuels, Oscillations, Pressure, Chemiluminescence, Combustion chambers, Delays, Fast Fourier transforms

Proceedings Papers

Surge and Stall Detection Using Acoustic Analysis for Gas Turbine Hybrid Cycles

Keishaly Cabrera Cruz, Paolo Pezzini, Lawrence Shadle, Kenneth M. Bryden

Proc. ASME. GT2019, Volume 3: Coal, Biomass, Hydrogen, and Alternative Fuels; Cycle Innovations; Electric Power; Industrial and Cogeneration; Organic Rankine Cycle Power Systems, V003T06A006, June 17–21, 2019

Paper No: GT2019-91021

DOI: https://doi.org/10.1115/GT2019-91021

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Topics: Acoustics, Cycles, Gas turbines, Surges, Compressors, Spectra (Spectroscopy), Density, Dynamics (Mechanics), Fast Fourier transforms, Fuel cells

Proceedings Papers

On the Importance of Transition Control at Transonic Compressor Blades

A. Hergt, J. Klinner, S. Grund, C. Willert, W. Steinert, M. Beversdorff

Proc. ASME. GT2019, Volume 2A: Turbomachinery, V02AT39A009, June 17–21, 2019

Paper No: GT2019-90440

DOI: https://doi.org/10.1115/GT2019-90440

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Topics: Blades, Compressors, Shock waves, Cascades (Fluid dynamics), Flow (Dynamics), Oscillations, Boundary layers, Shock (Mechanics), Air jets, Boundary layer turbulence

Proceedings Papers

Advanced Numerical Simulation of Turbine Rim Seal Flows and Consideration for RANS Turbulence Modelling

Feng Gao, Nicolas Poujol, John W. Chew, Paul F. Beard

Proc. ASME. GT2018, Volume 5B: Heat Transfer, V05BT15A005, June 11–15, 2018

Paper No: GT2018-75116

DOI: https://doi.org/10.1115/GT2018-75116

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Topics: Computer simulation, Flow (Dynamics), Modeling, Reynolds-averaged Navier–Stokes equations, Turbines, Turbulence, Computational fluid dynamics, Cavities, Pressure, Unsteady flow

Proceedings Papers

Detailed Analysis of Boundary Layer Control by Fluidic Oscillators on a Highly Loaded Profile

Julia Kurz, Reinhard Niehuis

Proc. ASME. GT2018, Volume 2B: Turbomachinery, V02BT41A019, June 11–15, 2018

Paper No: GT2018-76174

DOI: https://doi.org/10.1115/GT2018-76174

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Topics: Boundary layers, Flow control, Flow separation, Separation (Technology), Suction, Cascades (Fluid dynamics), Pressure, Pressure gradient, Reynolds number, Spectra (Spectroscopy)

Proceedings Papers

Evaluation of Integral Turbulence Scale Through the Fan Stage of a Turbofan Using Hot Wire Anemometry and Large Eddy Simulation

Nicolas Odier, Florent Duchaine, Laurent Gicquel, Gabriel Staffelbach, Adrien Thacker, Nicolás García Rosa, Guillaume Dufour, Jens-Dominik Muller

Proc. ASME. GT2018, Volume 2C: Turbomachinery, V02CT42A021, June 11–15, 2018

Paper No: GT2018-75741

DOI: https://doi.org/10.1115/GT2018-75741

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Topics: Large eddy simulation, Turbofans, Turbulence, Wire, Aircraft engines, Fluctuations (Physics), Spacetime, Spectra (Spectroscopy), Stators, Turbomachinery

Proceedings Papers

Comparison of DDES and URANS for Unsteady Tip Leakage Flow in an Axial Compressor Rotor

Yangwei Liu, Luyang Zhong, Lipeng Lu

Proc. ASME. GT2018, Volume 2A: Turbomachinery, V02AT39A031, June 11–15, 2018

Paper No: GT2018-76487

DOI: https://doi.org/10.1115/GT2018-76487

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Topics: Compressors, Delay differential equations, Leakage flows, Rotors, Anisotropy, Simulation, Turbulence, Eddies (Fluid dynamics), Reynolds-averaged Navier–Stokes equations, Stress

Proceedings Papers

Jet-Oscillation-Induced Combustion Dynamics in a Multi-Nozzle FLOX ® Combustor

Zhiyao Yin, Peter Kutne, Isaac Boxx, Wolfgang Meier

Proc. ASME. GT2018, Volume 4A: Combustion, Fuels, and Emissions, V04AT04A013, June 11–15, 2018

Paper No: GT2018-75304

DOI: https://doi.org/10.1115/GT2018-75304

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Topics: Combustion, Combustion chambers, Dynamics (Mechanics), Nozzles, Oscillations, Flames, Chemiluminescence, Flow (Dynamics), Atmospheric pressure, Fluctuations (Physics)

Proceedings Papers

APU-Noise Reduction by Novel Muffler Concepts

Karsten Knobloch, Lars Enghardt, Friedrich Bake

Proc. ASME. GT2018, Volume 2B: Turbomachinery, V02BT43A009, June 11–15, 2018

Paper No: GT2018-76762

DOI: https://doi.org/10.1115/GT2018-76762

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Topics: Noise (Sound), Silencers, Cavities, Design, Flow (Dynamics), Absorption, Acoustics, Damping, Ducts, Microphones

2 3 4 5

NARROW

Acoustic-Convective Interference In Transfer Functions of Methane/Hydrogen and Pure Hydrogen Flames

Thermoacoustic Instabilities of Hydrogen-Enriched Partially Premixed Flames in a Swirl Combustor

Unsteady Pressure Measurements in a Heated Rotating Cavity

Analysis of Swirl Number Effects on Effusion Flow Behaviour Using Time Resolved PIV

Bayesian Machine Learning for the Prognosis of Combustion Instabilities From Noise

The Effects of Reynolds Number on the Stall and Pre-Stall Behaviour of Compact Axial Compressors

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

Experimental Study of Cyclic Synchronous Vibration of an Integrally Geared Centrifugal Compressor for Air Separation Application

Single Nodal Diameter Excitation of Turbine Blades: Experimental and Theoretical Study

Pre-Stall Waves: Precursors to Stall Inception in a Contra-Rotating Axial Fan

Effect of Noise and Nonlinearities on Thermoacoustics of Can-Annular Combustors

Combustion Instabilities of Separated Stratified Swirling Flames With Different Degrees of Premixedness

Surge and Stall Detection Using Acoustic Analysis for Gas Turbine Hybrid Cycles

On the Importance of Transition Control at Transonic Compressor Blades

Advanced Numerical Simulation of Turbine Rim Seal Flows and Consideration for RANS Turbulence Modelling

Detailed Analysis of Boundary Layer Control by Fluidic Oscillators on a Highly Loaded Profile

Evaluation of Integral Turbulence Scale Through the Fan Stage of a Turbofan Using Hot Wire Anemometry and Large Eddy Simulation

Comparison of DDES and URANS for Unsteady Tip Leakage Flow in an Axial Compressor Rotor

Jet-Oscillation-Induced Combustion Dynamics in a Multi-Nozzle FLOX ® Combustor

APU-Noise Reduction by Novel Muffler Concepts

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