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Proceedings Papers

Friction Saturated Limit Cycle Oscillations – Test Rig Design and Validation of Numerical Prediction Methods

Stefan Schwarz, Johannes Reil, Johann Gross, Andreas Hartung, David Rittinger, Malte Krack
Proc. ASME. GT2023, Volume 11B: Structures and Dynamics — Emerging Methods in Engineering Design, Analysis, and Additive Manufacturing; Fatigue, Fracture, and Life Prediction; Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V11BT27A007, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-101671
https://doi.org/10.1115/GT2023-101671
View Paper titled, Friction Saturated Limit Cycle Oscillations – Test Rig Design and Validation of Numerical Prediction Methods
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Topics: Design, Friction, Limit cycles, Oscillations
Proceedings Papers

Numerical Investigations of Transitional SBLI on a Highly Loaded Transonic Compressor Passage

Selin Kahraman, Jason A. Bourgeois, Christian Janke, Marius Swoboda
Proc. ASME. GT2023, Volume 13A: Turbomachinery — Axial Flow Fan and Compressor Aerodynamics, V13AT29A024, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-102435
https://doi.org/10.1115/GT2023-102435
View Paper titled, Numerical Investigations of Transitional SBLI on a Highly Loaded Transonic Compressor Passage
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Topics: Boundary layers, Compressors, Design, Mach number, Optimization, Oscillations, Reynolds number, Seas, Shock (Mechanics), Shock waves
Proceedings Papers

Investigation of Combustion Oscillation Modes of Hydrogen Micromix Flames

Daniel Kroniger, Hiromu Kamiya, Atsushi Horikawa
Proc. ASME. GT2023, Volume 3A: Combustion, Fuels, and Emissions, V03AT04A050, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-102068
https://doi.org/10.1115/GT2023-102068
View Paper titled, Investigation of Combustion Oscillation Modes of Hydrogen Micromix Flames
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Topics: Chemiluminescence, Combustion, Flames, Hydrogen, Oscillations
Proceedings Papers

Precessing Vortex Core Suppression in a Swirl Stabilized Combustor With Hydrogen Addition

Saarthak Gupta, Anindya Datta, Santosh Hemchandra, Isaac Boxx
Proc. ASME. GT2023, Volume 3A: Combustion, Fuels, and Emissions, V03AT04A002, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-100617
https://doi.org/10.1115/GT2023-100617
View Paper titled, Precessing Vortex Core Suppression in a Swirl Stabilized Combustor With Hydrogen Addition
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Topics: Combustion chambers, Hydrogen, Vortices, Flames, Flow (Dynamics), Fuels, Oscillations, Dynamics (Mechanics), Methane, Stability
Proceedings Papers

Role of Turbulence in Modifying the Coherent Heat Release Response of Acoustically Excited Rod-Stabilized Flames

Ashwini Karmarkar, Jacqueline O’Connor
Proc. ASME. GT2023, Volume 3A: Combustion, Fuels, and Emissions, V03AT04A048, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-102042
https://doi.org/10.1115/GT2023-102042
View Paper titled, Role of Turbulence in Modifying the Coherent Heat Release Response of Acoustically Excited Rod-Stabilized Flames
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Topics: Acoustics, Flames, Heat, Turbulence, Flow (Dynamics), Combustion chambers, Oscillations, Combustion, Gas turbines, Combustion systems
Proceedings Papers

A Frequency-Time Partitioned Approach for Computing Fan Blade Flutter Induced Limit Cycle Oscillations With Nonlinear Friction on Contact Interfaces

Nicolas Ombret, Renaud Daon, Alain Dugeai, Fabrice Thouverez, Laurent Blanc
Proc. ASME. GT2023, Volume 11A: Structures and Dynamics — Aerodynamics Excitation and Damping; Bearing and Seal Dynamics, V11AT21A010, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-102568
https://doi.org/10.1115/GT2023-102568
View Paper titled, A Frequency-Time Partitioned Approach for Computing Fan Blade Flutter Induced Limit Cycle Oscillations With Nonlinear Friction on Contact Interfaces
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Topics: Blades, Flutter (Aerodynamics), Friction, Limit cycles, Oscillations
Proceedings Papers

Tuning Modal Behaviour of Additively Manufactured Lattice Structures

Marco Beghini, Tommaso Grossi, Giuseppe Macoretta, Bernardo Disma Monelli, Ivan Senegaglia, Paolo del Turco, Andrea Fardelli, Francesco Morante
Proc. ASME. GT2023, Volume 11B: Structures and Dynamics — Emerging Methods in Engineering Design, Analysis, and Additive Manufacturing; Fatigue, Fracture, and Life Prediction; Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V11BT23A010, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-103586
https://doi.org/10.1115/GT2023-103586
View Paper titled, Tuning Modal Behaviour of Additively Manufactured Lattice Structures
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Topics: Additive manufacturing, Design, Finite element analysis, Modeling, Lasers, Shapes, Stiffness, Boundary-value problems, Finite element methods, Finite element model
Proceedings Papers

Effect of the Position of the Centerbody on Thermoacoustic Instabilities in a Central-Staged Model Combustor

Meng Han, Xiao Han, Zhichao Gan
Proc. ASME. GT2023, Volume 3B: Combustion, Fuels, and Emissions, V03BT04A027, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-103133
https://doi.org/10.1115/GT2023-103133
View Paper titled, Effect of the Position of the Centerbody on Thermoacoustic Instabilities in a Central-Staged Model Combustor
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Topics: Combustion chambers, Dynamics (Mechanics), Flames, Shapes, Oscillations, Combustion, Stability, Atmospheric pressure, Computer simulation, Flow (Dynamics)
Proceedings Papers

An Experimental Investigation of Sweeping Air/Mist Jet Film Cooling Through a Row of Passive Fluidic Oscillators

Ramy Abdelmaksoud, Ting Wang
Proc. ASME. GT2023, Volume 7A: Heat Transfer — Combustors; Film Cooling, V07AT12A002, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-100427
https://doi.org/10.1115/GT2023-100427
View Paper titled, An Experimental Investigation of Sweeping Air/Mist Jet Film Cooling Through a Row of Passive Fluidic Oscillators
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Topics: Cooling, Film cooling, Gas turbines, Drops, Jets, Water, Additive manufacturing, Airfoils, Flow (Dynamics), Heat transfer
Proceedings Papers

Characterization of ACC Losses Due to Wind and Design of Optimal Wind-Screens

Cosimo Bianchini, Riccardo Da Soghe, Lorenzo Giannini, Lorenzo Mazzei, Andrew Gardner, Jamie Wilde
Proc. ASME. GT2023, Volume 6: Education; Electric Power; Energy Storage; Fans and Blowers, V006T10A008, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-104135
https://doi.org/10.1115/GT2023-104135
View Paper titled, Characterization of ACC Losses Due to Wind and Design of Optimal Wind-Screens
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Topics: Design, Wind, Cooling, Blades, Fans, Fluids, Heat exchangers, Wind velocity, Computation, Computational fluid dynamics
Proceedings Papers

Asymptotic Evaluation of Nonlinear Friction Effects in Realistic LPT Rotors

Salvador Rodríguez-Blanco, Javier González-Monge, Carlos Martel
Proc. ASME. GT2023, Volume 11B: Structures and Dynamics — Emerging Methods in Engineering Design, Analysis, and Additive Manufacturing; Fatigue, Fracture, and Life Prediction; Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V11BT27A017, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-102829
https://doi.org/10.1115/GT2023-102829
View Paper titled, Asymptotic Evaluation of Nonlinear Friction Effects in Realistic LPT Rotors
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Topics: Friction, Rotors, Bladed disks, Computation, Resonance, Vibration, Blades, Cycles, Degrees of freedom, Differential equations
Proceedings Papers

Estimation of Dynamical Thermoacoustic Modes Using an Output Only Observer Kalman Filter-Based Identification (O 3 KID) Algorithm

Nikhil Balasubramanian, Driek Rouwenhorst, Jakob Hermann
Proc. ASME. GT2022, Volume 2: Coal, Biomass, Hydrogen, and Alternative Fuels; Controls, Diagnostics, and Instrumentation; Steam Turbine, V002T05A001, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-80650
https://doi.org/10.1115/GT2022-80650
View Paper titled, Estimation of Dynamical Thermoacoustic Modes Using an Output Only Observer Kalman Filter-Based Identification (O 3 KID) Algorithm
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Topics: Algorithms, Filters, Modeling, Dynamics (Mechanics), Noise (Sound), Combustion, Kalman filters, Combustion chambers, Damping, Gas turbines
Proceedings Papers

Effect of Counter- and Co-Swirl on Low-Frequency Combustion Instabilities of Jet A-1 Spray Flames

Byeonguk Ahn, Kyu Tae Kim
Proc. ASME. GT2022, Volume 3A: Combustion, Fuels, and Emissions, V03AT04A012, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-79706
https://doi.org/10.1115/GT2022-79706
View Paper titled, Effect of Counter- and Co-Swirl on Low-Frequency Combustion Instabilities of Jet A-1 Spray Flames
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Topics: Combustion, Flames, Sprays, Pressure, Diffusion flames, Flow (Dynamics), Heat, Oscillations, Atmospheric pressure, Combustion chambers
Proceedings Papers

Prediction of Thermoacoustic Instability and Fluid-Structure Interactions for Gas Turbine Combustor

Yu Xia, Patrick Sharkey, Ishan Verma, Alok Khaware, Davor Cokljat
Proc. ASME. GT2022, Volume 3A: Combustion, Fuels, and Emissions, V03AT04A003, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-78296
https://doi.org/10.1115/GT2022-78296
View Paper titled, Prediction of Thermoacoustic Instability and Fluid-Structure Interactions for Gas Turbine Combustor
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Topics: Combustion chambers, Fluid structure interaction, Gas turbines, Flow (Dynamics), Oscillations, Deformation, Turbulence, Combustion, Computational fluid dynamics, Design
Proceedings Papers

Highly Resolved Large-Eddy Simulations of a Transonic Compressor Stage Midspan Section Part I: Effect of Inflow Disturbances

Christoph Bode, Pawel J. Przytarski, John Leggett, Richard D. Sandberg
Proc. ASME. GT2022, Volume 10D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Turbomachinery General Interest; Unsteady Flows in Turbomachinery, V10DT37A011, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-81673
https://doi.org/10.1115/GT2022-81673
View Paper titled, Highly Resolved Large-Eddy Simulations of a Transonic Compressor Stage Midspan Section Part I: Effect of Inflow Disturbances
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Topics: Compressors, Inflow, Large eddy simulation, Shock (Mechanics), Boundary layers, Rotors, Suction, Flow (Dynamics), Stators, Turbulence
Proceedings Papers

Effect of Twist Angle on the Performance of Darrieus Vertical Axis Wind Turbines

Ahmed S. Saad, Mahmoud Ahmed
Proc. ASME. GT2022, Volume 11: Wind Energy, V011T38A001, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-80198
https://doi.org/10.1115/GT2022-80198
View Paper titled, Effect of Twist Angle on the Performance of Darrieus Vertical Axis Wind Turbines
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Topics: Blades, Computer simulation, Cycles, Design, Flow (Dynamics), Fluctuations (Physics), Navier-Stokes equations, Oscillations, Rotation, Rotors
Proceedings Papers

Direct Numerical Simulations of Aerodynamic Performance of Wind Turbine Airfoil by Considering Flap-Wise Blade Oscillations

Mahdi Erfanian Nakhchi Toosi, Mohammad Rahmati
Proc. ASME. GT2022, Volume 11: Wind Energy, V011T38A009, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-81988
https://doi.org/10.1115/GT2022-81988
View Paper titled, Direct Numerical Simulations of Aerodynamic Performance of Wind Turbine Airfoil by Considering Flap-Wise Blade Oscillations
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Topics: Airfoils, Blades, Computer simulation, Flow separation, Oscillations, Vibration, Wind turbines
Proceedings Papers

Preliminary Numerical Validation of the Frequency Response Method on the Study of Aero-Damping in a Linear Oscillating Compressor Cascade

Xin Tong, Fanfu Yin, Xin Shen, Xiaoqing Qiang, Hua Ouyang
Proc. ASME. GT2022, Volume 8A: Structures and Dynamics — Aerodynamics Excitation and Damping; Bearing and Seal Dynamics; Emerging Methods in Engineering Design, Analysis, and Additive Manufacturing; Fatigue, Fracture, and Life Prediction, V08AT21A018, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-82382
https://doi.org/10.1115/GT2022-82382
View Paper titled, Preliminary Numerical Validation of the Frequency Response Method on the Study of Aero-Damping in a Linear Oscillating Compressor Cascade
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Topics: Cascades (Fluid dynamics), Compressors, Damping, Frequency response, Oscillations, Stiffness
Proceedings Papers

Fully Coupled Analysis of Flutter Induced Limit Cycles: Frequency vs. Time Domain Methods

Christian Berthold, Johann Groß, Christian Frey, Malte Krack
Proc. ASME. GT2022, Volume 8A: Structures and Dynamics — Aerodynamics Excitation and Damping; Bearing and Seal Dynamics; Emerging Methods in Engineering Design, Analysis, and Additive Manufacturing; Fatigue, Fracture, and Life Prediction, V08AT21A001, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-77999
https://doi.org/10.1115/GT2022-77999
View Paper titled, Fully Coupled Analysis of Flutter Induced Limit Cycles: Frequency vs. Time Domain Methods
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Topics: Flutter (Aerodynamics), Limit cycles, Fluid structure interaction, Oscillations, Blades, Friction, Vibration, Aircraft engines, Boundary-value problems, Damping
Proceedings Papers

The Effect of Rectangular Confinement Aspect Ratio on the Flame Transfer Function of a Turbulent Swirling Flame

Aksel Ånestad, Byeonguk Ahn, Håkon T. Nygård, Nicholas A. Worth
Proc. ASME. GT2022, Volume 3B: Combustion, Fuels, and Emissions, V03BT04A041, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-83014
https://doi.org/10.1115/GT2022-83014
View Paper titled, The Effect of Rectangular Confinement Aspect Ratio on the Flame Transfer Function of a Turbulent Swirling Flame
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Topics: Flames, Swirling flow, Transfer functions, Turbulence, Dynamics (Mechanics), Flow (Dynamics), Heat, Oscillations, Shapes