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Proceedings Papers

Noise Reduction by Lowering the Jet Mach Number and Using Inverted Velocity Profile at Fixed Thrust and Mass Flow

Junhui Liu
Proc. ASME. GT2024, Volume 1: Aircraft Engine, V001T01A044, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-126854
https://doi.org/10.1115/GT2024-126854
View Paper titled, Noise Reduction by Lowering the Jet Mach Number and Using Inverted Velocity Profile at Fixed Thrust and Mass Flow
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Topics: Flow (Dynamics), Mach number, Noise (Sound), Noise control, Thrust, Turbulence, Jets, Computational fluid dynamics, Kinetic energy, Aerodynamic noise
Proceedings Papers

Numerical and Experimental Investigation of a Geometrically Simplified, Two-Dimensional FlameSheet ™ Hydrogen Burner

Andrea Gruber, Tarjei Heggset, Ole Meyer, Luuk Altenburg, Mark Tummers, Sikke Klein, Joris Koomen, Peter Stuttaford
Proc. ASME. GT2023, Volume 3B: Combustion, Fuels, and Emissions, V03BT04A054, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-103779
https://doi.org/10.1115/GT2023-103779
View Paper titled, Numerical and Experimental Investigation of a Geometrically Simplified, Two-Dimensional FlameSheet ™ Hydrogen Burner
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Topics: Hydrogen, Flames, Fuels, Combustion systems, Flow (Dynamics), Gas turbines, Turbulence, Carbon, Chemical kinetics, Chemically reactive flow
Proceedings Papers

Aerodynamics and Aeroacoustics of Leading Edge Serration in Low-Speed Axial Fans With Forward Skewed Blades

Lorenzo Tieghi, Felix Czwielong, Valerio F. Barnabei, Cristof Ocker, Giovanni Delibra, Stefan Becker, Alessandro Corsini
Proc. ASME. GT2023, Volume 6: Education; Electric Power; Energy Storage; Fans and Blowers, V006T10A003, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-101899
https://doi.org/10.1115/GT2023-101899
View Paper titled, Aerodynamics and Aeroacoustics of Leading Edge Serration in Low-Speed Axial Fans With Forward Skewed Blades
Open the PDF for Aerodynamics and Aeroacoustics of Leading Edge Serration in Low-Speed Axial Fans With Forward Skewed Blades in another window
Topics: Aerodynamic noise, Aerodynamics, Blades, Fans, Flow (Dynamics), Emissions, Noise control, Rotors, Sound, Anechoic chambers
Proceedings Papers

High-Frequency Mode Shape Dependent Flame-Acoustic Interactions in Reheat Flames

Jonathan McClure, Mirko Bothien, Thomas Sattelmayer
Proc. ASME. GT2022, Volume 3A: Combustion, Fuels, and Emissions, V03AT04A031, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-81127
https://doi.org/10.1115/GT2022-81127
View Paper titled, High-Frequency Mode Shape Dependent Flame-Acoustic Interactions in Reheat Flames
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Topics: Acoustics, Flames, Mode shapes, Combustion chambers, Combustion systems, Stress, Atmospheric pressure, Combined cycles, Combustion, Engines
Proceedings Papers

Experimental and Numerical Characterization of the Self-Excited Dynamics Behavior of a Technically Premixed Burner

R. Meloni, S. Gori, G. Riccio, N. Chiarizia, D. Pampaloni, A. Andreini
Proc. ASME. GT2022, Volume 3B: Combustion, Fuels, and Emissions, V03BT04A013, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-82248
https://doi.org/10.1115/GT2022-82248
View Paper titled, Experimental and Numerical Characterization of the Self-Excited Dynamics Behavior of a Technically Premixed Burner
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Topics: Acoustics, Computational fluid dynamics, Computer simulation, Design, Dynamics (Mechanics), Flames, Fluctuations (Physics), Gas turbines, Large eddy simulation, Limit cycles
Proceedings Papers

Design and Evaluation of a Flow Capturing Device for a High-Speed Wind Tunnel

Mattia Graiff, Marian Staggl, Emil Göttlich, Christian Wakelam
Proc. ASME. GT2021, Volume 2C: Turbomachinery — Design Methods and CFD Modeling for Turbomachinery; Ducts, Noise, and Component Interactions, V02CT35A003, June 7–11, 2021
Publisher: American Society of Mechanical Engineers
Paper No: GT2021-58667
https://doi.org/10.1115/GT2021-58667
View Paper titled, Design and Evaluation of a Flow Capturing Device for a High-Speed Wind Tunnel
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Topics: Design, Flow (Dynamics), Wind tunnels, Cascades (Fluid dynamics), Ducts, Sealing (Process), Sound pressure, Temperature, Test facilities, Testing
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
Publisher: American Society of Mechanical Engineers
Paper No: GT2021-58903
https://doi.org/10.1115/GT2021-58903
View Paper titled, Delay Identification in Thermoacoustics
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Topics: Delays, Thermoacoustics, Flames, Noise (Sound), Acoustics, Combustion, Time series, Damping, Dynamics (Mechanics), Engineering simulation
Proceedings Papers

Response of Autoignition-Stabilized Flames to One-Dimensional Disturbances: Intrinsic Response

Harish S. Gopalakrishnan, Andrea Gruber, Jonas Moeck
Proc. ASME. GT2021, Volume 3A: Combustion, Fuels, and Emissions, V03AT04A052, June 7–11, 2021
Publisher: American Society of Mechanical Engineers
Paper No: GT2021-59351
https://doi.org/10.1115/GT2021-59351
View Paper titled, Response of Autoignition-Stabilized Flames to One-Dimensional Disturbances: Intrinsic Response
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Topics: Flames, Acoustics, Combustion chambers, Fluctuations (Physics), Combustion, Oscillations, Temperature, Carbon, Chemistry, Computer simulation
Proceedings Papers

Isentropic Formulation of the Linearized Euler Equations For Perfectly Premixed Combustion Systems

Pedro Romero Vega, Thomas Hofmeister, Gerrit Heilmann, Christoph Hirsch, Thomas Sattelmayer
Proc. ASME. GT2021, Volume 3B: Combustion, Fuels, and Emissions, V03BT04A026, June 7–11, 2021
Publisher: American Society of Mechanical Engineers
Paper No: GT2021-60055
https://doi.org/10.1115/GT2021-60055
View Paper titled, Isentropic Formulation of the Linearized Euler Equations For Perfectly Premixed Combustion Systems
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Topics: Acoustics, Combustion chambers, Combustion systems, Damping, Density, Entropy, Flow (Dynamics), Gas turbines, Heat, Momentum
Proceedings Papers

Dynamical Characterization of Thermoacoustic Oscillations in a Hydrogen-Enriched Partially Premixed Swirl-Stabilized Methane/Air Combustor

Abhishek Kushwaha, Praveen Kasthuri, Samadhan A. Pawar, R. I. Sujith, Ianko Chterev, Isaac Boxx
Proc. ASME. GT2021, Volume 3B: Combustion, Fuels, and Emissions, V03BT04A024, June 7–11, 2021
Publisher: American Society of Mechanical Engineers
Paper No: GT2021-60011
https://doi.org/10.1115/GT2021-60011
View Paper titled, Dynamical Characterization of Thermoacoustic Oscillations in a Hydrogen-Enriched Partially Premixed Swirl-Stabilized Methane/Air Combustor
Open the PDF for Dynamical Characterization of Thermoacoustic Oscillations in a Hydrogen-Enriched Partially Premixed Swirl-Stabilized Methane/Air Combustor in another window
Topics: Combustion chambers, Hydrogen, Methane, Oscillations, Sound pressure, Cycles, Heat, Flames, Acoustics, Flow (Dynamics)
Proceedings Papers

Protection and Identification of Thermoacoustic Azimuthal Modes

G. Ghirardo, F. Gant, F. Boudy, M. R. Bothien
Proc. ASME. GT2020, Volume 4B: Combustion, Fuels, and Emissions, V04BT04A008, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-15354
https://doi.org/10.1115/GT2020-15354
View Paper titled, Protection and Identification of Thermoacoustic Azimuthal Modes
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Topics: Acoustics, Annulus, Combustion, Combustion chambers, Damping, Dynamic systems, Dynamics (Mechanics), Engines, Flames, Limit cycles
Proceedings Papers

Data Driven Fault Detection of Premixer Centerbody Degradation in a Swirl Combustor

Raghul Manosh Kumar, Benjamin Peters, Benjamin Emerson, Kamran Paynabar, Nagi Gebraeel, Timothy Lieuwen
Proc. ASME. GT2020, Volume 4A: Combustion, Fuels, and Emissions, V04AT04A007, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-14222
https://doi.org/10.1115/GT2020-14222
View Paper titled, Data Driven Fault Detection of Premixer Centerbody Degradation in a Swirl Combustor
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Topics: Combustion chambers, Condition monitoring, Flaw detection, Algorithms, Flames, Gas turbines, Sensors, Sound pressure
Proceedings Papers

Smart Passive Control of Thermoacoustic Instability in a Bluff-Body Stabilized Combustor: A Lagrangian Analysis of Critical Structures

C. P. Premchand, Manikandan Raghunathan, Midhun Raghunath, K. V. Reeja, R. I. Sujith, Vineeth Nair
Proc. ASME. GT2020, Volume 4B: Combustion, Fuels, and Emissions, V04BT04A040, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-16073
https://doi.org/10.1115/GT2020-16073
View Paper titled, Smart Passive Control of Thermoacoustic Instability in a Bluff-Body Stabilized Combustor: A Lagrangian Analysis of Critical Structures
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Topics: Combustion chambers, Passive control, Flow (Dynamics), Heat, Pressure, Fluctuations (Physics), Shear (Mechanics), Wavelet transforms, Acoustics, Dynamics (Mechanics)
Proceedings Papers

Identification of High-Frequency Transverse Acoustic Modes in Multi-Nozzle Can Combustors

J. Kim, W. Gillman, D. Wu, B. Emerson, V. Acharya, R. Mckinney, T. Lieuwen, M. Isono, T. Saitoh
Proc. ASME. GT2020, Volume 4B: Combustion, Fuels, and Emissions, V04BT04A051, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-16130
https://doi.org/10.1115/GT2020-16130
View Paper titled, Identification of High-Frequency Transverse Acoustic Modes in Multi-Nozzle Can Combustors
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Topics: Acoustics, Combustion chambers, Nozzles, Finite element methods, Mode shapes, Pressure, Boundary-value problems, Combustion, Flames, Gas 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
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-14161
https://doi.org/10.1115/GT2020-14161
View Paper titled, Measurements of Multiple Pure Tone Propagation From a High Bypass Turbofan Rotor in an Internal Flow Facility
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Topics: Internal flow, Rotors, Turbofans, Blades, Shock (Mechanics), Acoustics, Ducts, Pressure, Pressure transducers, Noise (Sound)
Proceedings Papers

Spectral Analysis of an Aeronautical Lean Direct Injection Burner Through Large Eddy Simulation

M. Carreres, L. M. García-Cuevas, J. García-Tíscar, M. Belmar-Gil
Proc. ASME. GT2020, Volume 2C: Turbomachinery, V02CT35A027, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-14998
https://doi.org/10.1115/GT2020-14998
View Paper titled, Spectral Analysis of an Aeronautical Lean Direct Injection Burner Through Large Eddy Simulation
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Topics: Emission spectroscopy, Large eddy simulation, Spectroscopy, Swirling flow, Combustion chambers, Acoustics, Computational fluid dynamics, Flow (Dynamics), Combustion, Computer simulation
Proceedings Papers

On the Interaction of Swirling Flames in a Lean Premixed Combustor

Gopakumar Ramachandran, Ankit Kumar Dutta, Harish Durairaj, Swetaprovo Chaudhuri
Proc. ASME. GT2019, Volume 4A: Combustion, Fuels, and Emissions, V04AT04A041, June 17–21, 2019
Publisher: American Society of Mechanical Engineers
Paper No: GT2019-90679
https://doi.org/10.1115/GT2019-90679
View Paper titled, On the Interaction of Swirling Flames in a Lean Premixed Combustor
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Topics: Combustion chambers, Flames, Swirling flow, Flow (Dynamics), Nozzles, Emissions, Gas turbines, Ignition, Chemiluminescence, Density
Proceedings Papers

Impact of Combustion Chamber Dynamics on the Temperature Distribution in a Resonator

Michael Betz, Max Zahn, Christoph Hirsch, Thomas Sattelmayer
Proc. ASME. GT2019, Volume 4A: Combustion, Fuels, and Emissions, V04AT04A012, June 17–21, 2019
Publisher: American Society of Mechanical Engineers
Paper No: GT2019-90239
https://doi.org/10.1115/GT2019-90239
View Paper titled, Impact of Combustion Chamber Dynamics on the Temperature Distribution in a Resonator
Open the PDF for Impact of Combustion Chamber Dynamics on the Temperature Distribution in a Resonator in another window
Topics: Combustion chambers, Dynamics (Mechanics), Temperature distribution, Temperature, Cavities, Sound pressure, Flow (Dynamics), Air flow, Cooling, Cycles
Proceedings Papers

Lagrangian Saddle Point Analysis in the Flow-Field of a Bluff-Body Stabilized Combustor

C. P. Premchand, Nitin B. George, Manikandan Raghunathan, Vishnu R. Unni, R. I. Sujith, Vineeth Nair
Proc. ASME. GT2019, Volume 4B: Combustion, Fuels, and Emissions, V04BT04A041, June 17–21, 2019
Publisher: American Society of Mechanical Engineers
Paper No: GT2019-91713
https://doi.org/10.1115/GT2019-91713
View Paper titled, Lagrangian Saddle Point Analysis in the Flow-Field of a Bluff-Body Stabilized Combustor
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Topics: Combustion chambers, Flow (Dynamics), Heat, Acoustics, Dynamics (Mechanics), Flames, Fluctuations (Physics), Pressure, Sound pressure, Turbulence
Proceedings Papers

Sound Power Measurements at Radial Compressors Using Compressed Sensing Based Signal Processing Methods

Jakob Hurst, Maximilian Behn, Ulf Tapken, Lars Enghardt
Proc. ASME. GT2019, Volume 2B: Turbomachinery, V02BT43A003, June 17–21, 2019
Publisher: American Society of Mechanical Engineers
Paper No: GT2019-90782
https://doi.org/10.1115/GT2019-90782
View Paper titled, Sound Power Measurements at Radial Compressors Using Compressed Sensing Based Signal Processing Methods
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Topics: Compressors, Signal processing, Algorithms, Sensors, Acoustics, Engineering simulation, Resolution (Optics), Simulation, Sound pressure