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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

Research on the Aerodynamic Noise Performance of a Novel Structure of Cooling Fans in Series

Yuhang Zheng, Zhaoyin Li, Zonghan Sun, Fang Lu, Jie Tian, Hua Ouyang
Proc. ASME. GT2024, Volume 12C: Turbomachinery — Design Methods and CFD Modeling for Turbomachinery; Ducts, Noise, and Component Interactions, V12CT33A015, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-128543
https://doi.org/10.1115/GT2024-128543
View Paper titled, Research on the Aerodynamic Noise Performance of a Novel Structure of Cooling Fans in Series
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Topics: Aerodynamic noise, Cooling, Fans, Noise control, Testing performance
Proceedings Papers

On the Aeroacoustic Properties of a Prandtl-Fan

Felix Czwielong, Julian Benz, Christof Ocker, Andreas Renz, Michael Sedlmajer, Markus Merkel, Stefan Becker
Proc. ASME. GT2023, Volume 6: Education; Electric Power; Energy Storage; Fans and Blowers, V006T10A007, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-103898
https://doi.org/10.1115/GT2023-103898
View Paper titled, On the Aeroacoustic Properties of a Prandtl-Fan
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Topics: Acoustical properties, Acoustics, Aerodynamic noise, Blades, Chords (Trusses), Computational fluid dynamics, Design, Emissions, Engineering simulation, Fans
Proceedings Papers

Aeroacoustic Scaling of Axial Low-Pressure Fans With Leading Edge Serrations

Nina Maimuna Balde, Till M. Biedermann, Frank Kameier, Tobias Pohlmann
Proc. ASME. GT2023, Volume 6: Education; Electric Power; Energy Storage; Fans and Blowers, V006T10A006, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-103181
https://doi.org/10.1115/GT2023-103181
View Paper titled, Aeroacoustic Scaling of Axial Low-Pressure Fans With Leading Edge Serrations
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Topics: Design, Fans, Pressure, Flow (Dynamics), Noise control, Aerodynamic noise, Biomimetics, Noise (Sound), Sound
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
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Topics: Aerodynamic noise, Aerodynamics, Blades, Fans, Flow (Dynamics), Emissions, Noise control, Rotors, Sound, Anechoic chambers
Proceedings Papers

Numerical Study on the Aeroacoustics of a Propeller-Wing Integration at Various Advance Ratios

Guangyuan Huang, Sidharath Sharma, Stephen Ambrose, Richard Jefferson-Loveday
Proc. ASME. GT2023, Volume 1: Aircraft Engine, V001T01A024, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-102655
https://doi.org/10.1115/GT2023-102655
View Paper titled, Numerical Study on the Aeroacoustics of a Propeller-Wing Integration at Various Advance Ratios
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Topics: Aerodynamic noise, Electric propulsion, Propellers, Wings
Proceedings Papers

Experimental Investigation of Mode-Frequency Scattering at Fan Stages

Maximilian Behn, Ulf Tapken
Proc. ASME. GT2023, Volume 13C: Turbomachinery — Deposition, Erosion, Fouling, and Icing; Design Methods and CFD Modeling for Turbomachinery; Ducts, Noise, and Component Interactions, V13CT33A002, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-101882
https://doi.org/10.1115/GT2023-101882
View Paper titled, Experimental Investigation of Mode-Frequency Scattering at Fan Stages
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Topics: Electromagnetic scattering, Noise (Sound), Radiation scattering, Scattering (Physics), Rotors, Aerodynamic noise, Loudspeakers, Machinery, Microphone arrays, Noise control
Proceedings Papers

Computational Aeroacoustics for a Cold, Non-Ideally Expanded Aerospike Nozzle

Thomas Golliard, Mihai Mihaescu
Proc. ASME. GT2023, Volume 13C: Turbomachinery — Deposition, Erosion, Fouling, and Icing; Design Methods and CFD Modeling for Turbomachinery; Ducts, Noise, and Component Interactions, V13CT33A004, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-101947
https://doi.org/10.1115/GT2023-101947
View Paper titled, Computational Aeroacoustics for a Cold, Non-Ideally Expanded Aerospike Nozzle
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Topics: Acoustics, Aerodynamic noise, Large eddy simulation, Noise (Sound), Nozzles
Proceedings Papers

Analytical Prediction of Acoustic Resonance in Labyrinth Seals

Janek Mahlstedt, Felix Fischer, Lars Wein, Joerg R. Seume
Proc. ASME. GT2023, Volume 13C: Turbomachinery — Deposition, Erosion, Fouling, and Icing; Design Methods and CFD Modeling for Turbomachinery; Ducts, Noise, and Component Interactions, V13CT33A013, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-103709
https://doi.org/10.1115/GT2023-103709
View Paper titled, Analytical Prediction of Acoustic Resonance in Labyrinth Seals
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Topics: Acoustics, Cavities, Resonance, Turbomachinery, Turbulence, Excitation, Modeling, Reynolds-averaged Navier–Stokes equations, Simulation, Standing waves
Proceedings Papers

Aerodynamic Noise Characteristics of Axial Flow Fan in Narrow Space and Noise Reduction Based on Flow Control

Zonghan Sun, Pengfei Chai, Jie Tian, Zhaohui Du, Hua Ouyang
Proc. ASME. GT2022, Volume 10C: Turbomachinery — Design Methods and CFD Modeling for Turbomachinery; Ducts, Noise, and Component Interactions, V10CT33A008, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-82141
https://doi.org/10.1115/GT2022-82141
View Paper titled, Aerodynamic Noise Characteristics of Axial Flow Fan in Narrow Space and Noise Reduction Based on Flow Control
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Topics: Aerodynamic noise, Axial flow, Cooling, Flow (Dynamics), Flow control, Noise control
Proceedings Papers

Machine-Learning Clustering Methods Applied to Detection of Noise Sources in Low-Speed Axial Fan

Lorenzo Tieghi, Stefan Becker, Alessandro Corsini, Giovanni Delibra, Stefan Schoder, Felix Czwielong
Proc. ASME. GT2022, Volume 5: Education; Electric Power; Fans and Blowers, V005T10A008, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-82116
https://doi.org/10.1115/GT2022-82116
View Paper titled, Machine-Learning Clustering Methods Applied to Detection of Noise Sources in Low-Speed Axial Fan
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Topics: Machine learning, Noise (Sound), Algorithms, Design, Fans, Simulation, Acoustics, Aerodynamic noise, Blades, Density
Proceedings Papers

Sensitivity Analysis of Impeller Blade Parameters to Compressor Performance and Aerodynamic Noise

Cao Yipeng, Ma Zequn, Liu Chen
Proc. ASME. GT2022, Volume 7: Industrial and Cogeneration; Manufacturing Materials and Metallurgy; Microturbines, Turbochargers, and Small Turbomachines; Oil & Gas Applications, V007T18A010, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-81705
https://doi.org/10.1115/GT2022-81705
View Paper titled, Sensitivity Analysis of Impeller Blade Parameters to Compressor Performance and Aerodynamic Noise
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Topics: Aerodynamic noise, Blades, Compressors, Impellers, Sensitivity analysis
Proceedings Papers

Large Eddy Simulation of an Open Rotor Fan Blade

Stephan Priebe, Trevor Wood, Junsok Yi, Arash Mousavi
Proc. ASME. GT2022, Volume 10A: Turbomachinery — Axial Flow Fan and Compressor Aerodynamics, V10AT29A009, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-80538
https://doi.org/10.1115/GT2022-80538
View Paper titled, Large Eddy Simulation of an Open Rotor Fan Blade
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Topics: Aerodynamic noise, Blades, Large eddy simulation, Rotors, Turbulence
Proceedings Papers

Amplitude-Dependent Damping and Driving Rates of High-Frequency Thermoacoustic Oscillations in a Lab-Scale Lean-Premixed Gas Turbine Combustor

Thomas Hofmeister, Thomas Sattelmayer
Proc. ASME. GT2021, Volume 3A: Combustion, Fuels, and Emissions, V03AT04A004, June 7–11, 2021
Publisher: American Society of Mechanical Engineers
Paper No: GT2021-58456
https://doi.org/10.1115/GT2021-58456
View Paper titled, Amplitude-Dependent Damping and Driving Rates of High-Frequency Thermoacoustic Oscillations in a Lab-Scale Lean-Premixed Gas Turbine Combustor
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Topics: Combustion chambers, Damping, Gas turbines, Oscillations, Flow (Dynamics), Acoustics, Computational fluid dynamics, Engineering simulation, Flames, Simulation
Proceedings Papers

Experimental Investigation of Acoustic Characteristic on Orifice Shaped With Bias Flow

Melvin Ikwubuo, Jinkwan Song, Jong Guen Lee
Proc. ASME. GT2021, Volume 3B: Combustion, Fuels, and Emissions, V03BT04A033, June 7–11, 2021
Publisher: American Society of Mechanical Engineers
Paper No: GT2021-60118
https://doi.org/10.1115/GT2021-60118
View Paper titled, Experimental Investigation of Acoustic Characteristic on Orifice Shaped With Bias Flow
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Topics: Acoustics, Combustion, Dynamics (Mechanics), Flow (Dynamics), Orifices, Combustion chambers, S-matrix theory, Waves, Aerodynamic noise, Boundary-value problems
Proceedings Papers

Analysis of Transonic Bladerows With Non-Uniform Geometry Using Spectral Method

Feng Wang, Luca di Mare
Proc. ASME. GT2020, Volume 2C: Turbomachinery, V02CT35A031, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-15161
https://doi.org/10.1115/GT2020-15161
View Paper titled, Analysis of Transonic Bladerows With Non-Uniform Geometry Using Spectral Method
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Topics: Geometry, Flow (Dynamics), Manufacturing, Blades, Design, Engines, Turbomachinery, Aerodynamic noise, Computation, Errors
Proceedings Papers

Study on the Influence of Inlet Asymmetry on Aerodynamic Noise of Cooling Fan

Jie Tian, Zonghan Sun, Pengfei Chai, Hua Ouyang
Proc. ASME. GT2020, Volume 1: Aircraft Engine; Fans and Blowers, V001T10A005, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-14541
https://doi.org/10.1115/GT2020-14541
View Paper titled, Study on the Influence of Inlet Asymmetry on Aerodynamic Noise of Cooling Fan
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Topics: Aerodynamic noise, Computational fluid dynamics, Cooling, Emission spectroscopy, Spectroscopy
Proceedings Papers

Elimination of Numerical Damping in the Stability Analysis of Non-Compact Thermoacoustic Systems With Linearized Euler Equations

Thomas Hofmeister, Tobias Hummel, Frederik Berger, Noah Klarmann, Thomas Sattelmayer
Proc. ASME. GT2020, Volume 4B: Combustion, Fuels, and Emissions, V04BT04A037, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-16051
https://doi.org/10.1115/GT2020-16051
View Paper titled, Elimination of Numerical Damping in the Stability Analysis of Non-Compact Thermoacoustic Systems With Linearized Euler Equations
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Topics: Damping, Stability, Acoustics, Combustion chambers, Computational fluid dynamics, Flames, Aerodynamic noise, Boundary layers, Computation, Deformation
Proceedings Papers

Multi-Objective Design of a Transonic Turbocharger Compressor With Reduced Noise and Increased Efficiency

Peng Wang, Mehrdad Zangeneh, Francis Heyes, Paul Roach
Proc. ASME. GT2019, Volume 2B: Turbomachinery, V02BT43A002, June 17–21, 2019
Publisher: American Society of Mechanical Engineers
Paper No: GT2019-90554
https://doi.org/10.1115/GT2019-90554
View Paper titled, Multi-Objective Design of a Transonic Turbocharger Compressor With Reduced Noise and Increased Efficiency
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Topics: Compressors, Design, Noise (Sound), Turbochargers, Impellers, Emissions, Wheels, Aerodynamic noise, Combustion, Compressor impellers
Proceedings Papers

Assessment of a Machine-Learnt Adaptive Wall-Function in a Compressor Cascade With Sinusoidal Leading Edge

Lorenzo Tieghi, Alessandro Corsini, Giovanni Delibra, Gino Angelini
Proc. ASME. GT2019, Volume 1: Aircraft Engine; Fans and Blowers; Marine; Honors and Awards, V001T09A004, June 17–21, 2019
Publisher: American Society of Mechanical Engineers
Paper No: GT2019-91238
https://doi.org/10.1115/GT2019-91238
View Paper titled, Assessment of a Machine-Learnt Adaptive Wall-Function in a Compressor Cascade With Sinusoidal Leading Edge
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Topics: Cascades (Fluid dynamics), Compressors, Machinery, Artificial neural networks, Simulation, Computation, Boundary layers, Flow (Dynamics), Aerodynamic noise, Airfoils