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Proceedings Papers

Comparison of Equivalence Ratio Fluctuations in a Lean Premixed Combustor for Kerosene and Natural Gas

Manuel Vogel, Jan Kaufmann, Vinzenz Völkl, Christoph Hirsch, Thomas Sattelmayer
Proc. ASME. GT2023, Volume 3A: Combustion, Fuels, and Emissions, V03AT04A011, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-101091
https://doi.org/10.1115/GT2023-101091
View Paper titled, Comparison of Equivalence Ratio Fluctuations in a Lean Premixed Combustor for Kerosene and Natural Gas
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Topics: Chemiluminescence, Combustion, Combustion chambers, Fluctuations (Physics), Natural gas
Proceedings Papers

Numerical Simulation of Turbulent Premixed Flames Using Thickened Flame Model

Yu Xia, Ashish Newale, Rakesh Yadav, Ishan Verma, Didier Bessette
Proc. ASME. GT2023, Volume 3A: Combustion, Fuels, and Emissions, V03AT04A047, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-102039
https://doi.org/10.1115/GT2023-102039
View Paper titled, Numerical Simulation of Turbulent Premixed Flames Using Thickened Flame Model
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Topics: Computer simulation, Flames, Turbulence, Simulation, Chemistry, Heat, Combustion, Eddies (Fluid dynamics), Filters, Flow (Dynamics)
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

Intermittency of Flame Structure and Thermo-Acoustic Behavior in a Staged Multipoint Injector Using Liquid Fuel

Marie Truffot, Antoine Renaud, Laurent Zimmer, Franck Richecoeur, Alain Cayre, Yoann Méry
Proc. ASME. GT2023, Volume 3A: Combustion, Fuels, and Emissions, V03AT04A062, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-102446
https://doi.org/10.1115/GT2023-102446
View Paper titled, Intermittency of Flame Structure and Thermo-Acoustic Behavior in a Staged Multipoint Injector Using Liquid Fuel
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Topics: Acoustics, Ejectors, Flames, Fuels, Fluctuations (Physics), Shapes, Atmospheric pressure, Bifurcation, Combustion, Combustion chambers
Proceedings Papers

Thermoacoustic Characterization of a Premixed Multi Jet Burner for Hydrogen and Natural Gas Combustion

Jan Paul Beuth, Johann Moritz Reumschüssel, Jakob G. R. von Saldern, Dominik Wassmer, Bernhard Ćosić, Christian Oliver Paschereit, Kilian Oberleithner
Proc. ASME. GT2023, Volume 3B: Combustion, Fuels, and Emissions, V03BT04A070, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-104112
https://doi.org/10.1115/GT2023-104112
View Paper titled, Thermoacoustic Characterization of a Premixed Multi Jet Burner for Hydrogen and Natural Gas Combustion
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Topics: Combustion, Hydrogen, Natural gas, Flames, Acoustics, Dynamics (Mechanics), Fuels, Flow (Dynamics), Shapes, Convection
Proceedings Papers

Acoustic and Optical Investigations of the Flame Dynamics of Rich and Lean Kerosene Flames in the Primary Zone of an Air-Staged Combustion Test-Rig

Martin March, Julian Renner, Thomas Sattelmayer
Proc. ASME. GT2023, Volume 3B: Combustion, Fuels, and Emissions, V03BT04A023, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-103105
https://doi.org/10.1115/GT2023-103105
View Paper titled, Acoustic and Optical Investigations of the Flame Dynamics of Rich and Lean Kerosene Flames in the Primary Zone of an Air-Staged Combustion Test-Rig
Open the PDF for Acoustic and Optical Investigations of the Flame Dynamics of Rich and Lean Kerosene Flames in the Primary Zone of an Air-Staged Combustion Test-Rig in another window
Topics: Acoustics, Aircraft engines, Combustion, Dynamics (Mechanics), Flames, Chemiluminescence, Thermal energy, Calibration, Carbon dioxide, Combustion chambers
Proceedings Papers

Numerical Analysis to Optimize and Study the Impact of Area Profiling on the Performance of a Rotating Detonation Engine

Piyush Raj, Joseph Meadows
Proc. ASME. GT2023, Volume 3B: Combustion, Fuels, and Emissions, V03BT04A014, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-102982
https://doi.org/10.1115/GT2023-102982
View Paper titled, Numerical Analysis to Optimize and Study the Impact of Area Profiling on the Performance of a Rotating Detonation Engine
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Topics: Combustion chambers, Computational fluid dynamics, Engines, Explosions, Numerical analysis, Optimization, Flow (Dynamics), Design, Experimental design, Pressure
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

Unsteady Flow Phenomena in a 1.5-Stage Test Turbine With an Axial Rim Seal

Lukas Pehle, Stephan Stotz, Manfred Wirsum
Proc. ASME. GT2023, Volume 7B: Heat Transfer — General Interest/Additive Manufacturing Impacts on Heat Transfer; Internal Air Systems; Internal Cooling, V07BT14A017, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-103434
https://doi.org/10.1115/GT2023-103434
View Paper titled, Unsteady Flow Phenomena in a 1.5-Stage Test Turbine With an Axial Rim Seal
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Topics: Turbines, Unsteady flow, Flow (Dynamics), Pressure, Sealing (Process), Blades, Wheels, Cavity flows, Fluctuations (Physics), Gas turbines
Proceedings Papers

CFD Analysis of The Effect of a Cylindrical Probe Rod in the Axial Gap of the Last Stage on Rotating Instabilities in a Low-Pressure Model Steam Turbine Operating at Low Load

Ilgit Ercan, Damian M. Vogt
Proc. ASME. GT2023, Volume 10: Steam Turbine, V010T20A011, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-102480
https://doi.org/10.1115/GT2023-102480
View Paper titled, CFD Analysis of The Effect of a Cylindrical Probe Rod in the Axial Gap of the Last Stage on Rotating Instabilities in a Low-Pressure Model Steam Turbine Operating at Low Load
Open the PDF for CFD Analysis of The Effect of a Cylindrical Probe Rod in the Axial Gap of the Last Stage on Rotating Instabilities in a Low-Pressure Model Steam Turbine Operating at Low Load in another window
Topics: Computational fluid dynamics, Pressure, Probes, Steam turbines, Stress, Flow (Dynamics), Signals, Turbines, Unsteady flow, Annulus
Proceedings Papers

Convergence of Dynamic Mode Decomposition As an Assessment Criteria for Completion of Internal, Unsteady Flow Simulations

Amelia George, Jeff Defoe
Proc. ASME. GT2023, Volume 13C: Turbomachinery — Deposition, Erosion, Fouling, and Icing; Design Methods and CFD Modeling for Turbomachinery; Ducts, Noise, and Component Interactions, V13CT32A011, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-101480
https://doi.org/10.1115/GT2023-101480
View Paper titled, Convergence of Dynamic Mode Decomposition As an Assessment Criteria for Completion of Internal, Unsteady Flow Simulations
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Topics: Simulation, Unsteady flow, Algorithms, Computational fluid dynamics, Flow (Dynamics), Computation, Cylinders, Transients (Dynamics), Airfoils, Ducts
Proceedings Papers

Unsteady Investigation of Intermediate Turbine Ducts Under the Influence of Purge Flows

Filippo Merli, Nicolas Krajnc, Asim Hafizovic, Malte Schien, Emil Göttlich
Proc. ASME. GT2023, Volume 13C: Turbomachinery — Deposition, Erosion, Fouling, and Icing; Design Methods and CFD Modeling for Turbomachinery; Ducts, Noise, and Component Interactions, V13CT33A014, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-104211
https://doi.org/10.1115/GT2023-104211
View Paper titled, Unsteady Investigation of Intermediate Turbine Ducts Under the Influence of Purge Flows
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Topics: Ducts, Flow (Dynamics), Turbines, Engines, Turbofans, Pressure, Rotors, Unsteady flow, Aerodynamic flow, Cavities
Proceedings Papers

The Impact of the Off-Design Conditions on the Entropy Wave Interaction With a High-Pressure Turbine Stage

Lorenzo Pinelli, Giovanni Giannini, Michele Marconcini, Roberto Pacciani, Andrea Notaristefano, Paolo Gaetani
Proc. ASME. GT2023, Volume 13D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Radial Turbomachinery Aerodynamics; Unsteady Flows in Turbomachinery, V13DT36A019, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-102837
https://doi.org/10.1115/GT2023-102837
View Paper titled, The Impact of the Off-Design Conditions on the Entropy Wave Interaction With a High-Pressure Turbine Stage
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Topics: Design, Entropy, High pressure (Physics), Turbines, Waves, Emissions, Noise (Sound), Rotors, Combustion chambers, Engines
Proceedings Papers

Stability of the Co- and Counter-Rotating Swirlers in a Liquid-Fueled Can Combustor

Fırat Kıyıcı, Ahmet Topal, Ender Hepkaya, Hamdullah Ozogul, Ahmet Kaan Zayim, Mustafa Kaplan, Mustafa Percin
Proc. ASME. GT2023, Volume 3B: Combustion, Fuels, and Emissions, V03BT04A052, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-103710
https://doi.org/10.1115/GT2023-103710
View Paper titled, Stability of the Co- and Counter-Rotating Swirlers in a Liquid-Fueled Can Combustor
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Topics: Combustion, Combustion chambers, Stability, Flow (Dynamics), Fuels, Fluctuations (Physics), Pressure, Vortices, Air flow, Pressure transducers
Proceedings Papers

Challenges in the Application of Hot-Wire Anemometry for the Investigation of Transient Temperature Fluctuations in a High-Speed Research Compressor

Christian Schäffer, Alexander Rabl, Konstantin Speck, Kiyan Boetzel, Christian Helcig, Volker Gümmer
Proc. ASME. GT2023, Volume 4: Controls, Diagnostics, and Instrumentation, V004T05A003, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-100970
https://doi.org/10.1115/GT2023-100970
View Paper titled, Challenges in the Application of Hot-Wire Anemometry for the Investigation of Transient Temperature Fluctuations in a High-Speed Research Compressor
Open the PDF for Challenges in the Application of Hot-Wire Anemometry for the Investigation of Transient Temperature Fluctuations in a High-Speed Research Compressor in another window
Topics: Compressors, Contamination, Fluctuations (Physics), Temperature, Temperature measurement, Transients (Dynamics), Vibration, Wire
Proceedings Papers

Centrifugal Compressor Surge in Innovative Heat Pump – Part 1: Fluid Dynamic and Vibrational Analysis

Marco Ferrando, Tommaso Reboli, Federico Reggio, Carlo Alberto Niccolini, Paolo Silvestri, Alberto Traverso, Vishnu Sishtla
Proc. ASME. GT2023, Volume 5: Cycle Innovations, V005T06A020, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-102776
https://doi.org/10.1115/GT2023-102776
View Paper titled, Centrifugal Compressor Surge in Innovative Heat Pump – Part 1: Fluid Dynamic and Vibrational Analysis
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Topics: Compressors, Fluids, Heat pumps, Surges, Cycles, Fossil fuels, Boilers, Energy efficiency, Experimental characterization, Fast Fourier transforms
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

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

Correlated Pressure-Velocity Instability in a Transonic High-Pressure Turbine Blade

Matteo Dellacasagrande, Davide Lengani, Ettore Bertolini, Wolfgang Sanz
Proc. ASME. GT2022, Volume 10B: Turbomachinery — Axial Flow Turbine Aerodynamics; Deposition, Erosion, Fouling, and Icing; Radial Turbomachinery Aerodynamics, V10BT30A020, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-82205
https://doi.org/10.1115/GT2022-82205
View Paper titled, Correlated Pressure-Velocity Instability in a Transonic High-Pressure Turbine Blade
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Topics: High pressure (Physics), Pressure, Turbine blades, Boundary layers, Waves, Blades, Fluctuations (Physics), Suction, Large eddy simulation, Principal component analysis
Proceedings Papers

Vortex Unsteadiness in the Endwall Region of a High-Lift Low-Pressure Turbine Passage

Christopher R. Marks, Nathan Fletcher, Rolf Sondergaard
Proc. ASME. GT2022, Volume 10B: Turbomachinery — Axial Flow Turbine Aerodynamics; Deposition, Erosion, Fouling, and Icing; Radial Turbomachinery Aerodynamics, V10BT30A003, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-79335
https://doi.org/10.1115/GT2022-79335
View Paper titled, Vortex Unsteadiness in the Endwall Region of a High-Lift Low-Pressure Turbine Passage
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Topics: Pressure, Turbines, Vortices, Flow (Dynamics), Junctions, Blades, Cascades (Fluid dynamics), Fluctuations (Physics), Suction, Heat transfer