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Proceedings Papers

Suppression of Combustion Oscillations in Hydrogen-Enriched Can-Type Combustors Through Fuel Staging

Junwoo Jung, Daesik Kim, Yuangang Wang, Soonbeen Park, Chae Hoon Sohn, Minkuk Kim, Jeongjae Hwang, Dowon Kang, Wonjune Lee, Hanseok Kim
Proc. ASME. GT2024, Volume 3A: Combustion, Fuels, and Emissions, V03AT04A006, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-121533
https://doi.org/10.1115/GT2024-121533
View Paper titled, Suppression of Combustion Oscillations in Hydrogen-Enriched Can-Type Combustors Through Fuel Staging
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Topics: Acoustics, Co-firing, Combustion, Combustion chambers, Computational fluid dynamics, Delays, Fuels, Hydrogen, Oscillations
Proceedings Papers

LES and POD/DMD Analysis of Thermoacoustic Oscillation of a Hydrogen Micromix Flame Pair

Daniel Kroniger, Hiromu Kamiya, Atsushi Horikawa, Ryuta Suzuki, Erik Munktell, René Braun
Proc. ASME. GT2024, Volume 3A: Combustion, Fuels, and Emissions, V03AT04A024, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-123589
https://doi.org/10.1115/GT2024-123589
View Paper titled, LES and POD/DMD Analysis of Thermoacoustic Oscillation of a Hydrogen Micromix Flame Pair
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Topics: Combustion, Flames, Gas turbines, Hydrogen, Oscillations
Proceedings Papers

The Effect of Acoustic Boundary Conditions on the Oscillation Mode Transition of Combustion System

Yudi Lu, Ming Jin, Bing Ge, Shusheng Zang
Proc. ASME. GT2024, Volume 3A: Combustion, Fuels, and Emissions, V03AT04A065, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-126198
https://doi.org/10.1115/GT2024-126198
View Paper titled, The Effect of Acoustic Boundary Conditions on the Oscillation Mode Transition of Combustion System
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Topics: Acoustics, Boundary-value problems, Combustion systems, Oscillations
Proceedings Papers

Experimental Investigation on the Effect of Inlet Temperature on Thermoacoustic Oscillation in a Centrally-Staged Combustor

Jinglong Ma, Xiao Han, Zhipeng Yang, Xin Hui
Proc. ASME. GT2024, Volume 3A: Combustion, Fuels, and Emissions, V03AT04A062, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-125993
https://doi.org/10.1115/GT2024-125993
View Paper titled, Experimental Investigation on the Effect of Inlet Temperature on Thermoacoustic Oscillation in a Centrally-Staged Combustor
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Topics: Chemiluminescence, Combustion chambers, Flames, Oscillations, Temperature
Proceedings Papers

Adaptation of the Low Dissipation Low Dispersion Scheme for Reactive Multi Component Flows on Unstructured Grids Using Density-Based Solvers

Jonathan Timo Lipkowicz, Simon Goevert, Bertram Janus
Proc. ASME. GT2024, Volume 3B: Combustion, Fuels, and Emissions, V03BT04A011, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-127496
https://doi.org/10.1115/GT2024-127496
View Paper titled, Adaptation of the Low Dissipation Low Dispersion Scheme for Reactive Multi Component Flows on Unstructured Grids Using Density-Based Solvers
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Topics: Combustion, Computational fluid dynamics, Density, Energy dissipation, Flames, Flow (Dynamics), Turbulence, Flux (Metallurgy), Engineering simulation, Flamelet generated manifold
Proceedings Papers

Experimental Study on Stability Enhancement of a Natural Gas GT Burner With Hydrogen Flame Piloting Operated With Simulated Exhaust Gas Recirculation

Sofia Galeotti, Alessio Picchi, Riccardo Becchi, Gianmarco Lemmi, Roberto Meloni, Giulia Babazzi, Nicola Giannini, Bruno Facchini, Antonio Andreini
Proc. ASME. GT2024, Volume 3B: Combustion, Fuels, and Emissions, V03BT04A045, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-128732
https://doi.org/10.1115/GT2024-128732
View Paper titled, Experimental Study on Stability Enhancement of a Natural Gas GT Burner With Hydrogen Flame Piloting Operated With Simulated Exhaust Gas Recirculation
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Topics: Exhaust gas recirculation, Flames, Hydrogen, Natural gas, Stability, Carbon capture and storage, Carbon dioxide, Combustion, Emissions, Gas turbines
Proceedings Papers

Instability Amplitude Suppression in a Double Orifice Flow Through External Periodic Forcing

Ashutosh Singh, Isha Mukherjee, Vineeth Nair
Proc. ASME. GT2024, Volume 3B: Combustion, Fuels, and Emissions, V03BT04A007, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-127399
https://doi.org/10.1115/GT2024-127399
View Paper titled, Instability Amplitude Suppression in a Double Orifice Flow Through External Periodic Forcing
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Topics: Flow (Dynamics), Locks (Waterways), Synchronization, Quenching (Metalworking), Ducts, Acoustics, Bifurcation, Cavities, Combustion chambers, Dynamics (Mechanics)
Proceedings Papers

Numerical Analysis of a Flow Control System for High-Pressure Turbine Vanes Subject to Highly Oscillating Inflow Conditions

Panagiotis Gallis, Simone Salvadori, Daniela Anna Misul
Proc. ASME. GT2024, Volume 5: Cycle Innovations, V005T06A021, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-126791
https://doi.org/10.1115/GT2024-126791
View Paper titled, Numerical Analysis of a Flow Control System for High-Pressure Turbine Vanes Subject to Highly Oscillating Inflow Conditions
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Topics: Combustion, Engines, Explosions, Flow (Dynamics), Flow control, High pressure (Physics), Inflow, Numerical analysis, Oscillations, Pressure
Proceedings Papers

Experiments on Structurally Mistuned UHBR Open-Test-Case Fan ECL5/CATANA

Christoph Brandstetter, Alexandra P. Schneider, Anne-Lise Fiquet, Benoit Paoletti, Xavier Ottavy
Proc. ASME. GT2024, Volume 10A: Structures and Dynamics — Aerodynamics Excitation and Damping; Bearing and Seal Dynamics; Emerging Methods in Engineering Design, Analysis, and Additive Manufacturing, V10AT21A020, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-129163
https://doi.org/10.1115/GT2024-129163
View Paper titled, Experiments on Structurally Mistuned UHBR Open-Test-Case Fan ECL5/CATANA
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Topics: Acoustics, Aerodynamics, Architecture, Blades, Carbon composites, Clearances (Engineering), Compressors, Convection, Engines, Fans
Proceedings Papers

Design and Verification of a Fully Interchangeable Additively Manufactured Production Injector

Ryan Ehlig, Tony Fahme, Daniel Ryan, Timothy Evans
Proc. ASME. GT2024, Volume 9: Manufacturing Materials and Metallurgy; Microturbines, Turbochargers, and Small Turbomachines; Oil & Gas Applications; Steam Turbine, V009T19A005, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-122064
https://doi.org/10.1115/GT2024-122064
View Paper titled, Design and Verification of a Fully Interchangeable Additively Manufactured Production Injector
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Topics: Additive manufacturing, Design, Ejectors, Combustion, Emissions, Engines, Manufacturing, Teams, Turbines, Cycles
Proceedings Papers

Validation of a Methodology to Assess the Flutter Limit Cycle Oscillation Amplitude of Low-Pressure Turbine Bladed-Disks - Part I: Mach Number Effects

Alvaro Escudero, Salvador Rodríguez-Blanco, Roque Corral
Proc. ASME. GT2024, Volume 10A: Structures and Dynamics — Aerodynamics Excitation and Damping; Bearing and Seal Dynamics; Emerging Methods in Engineering Design, Analysis, and Additive Manufacturing, V10AT21A017, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-129074
https://doi.org/10.1115/GT2024-129074
View Paper titled, Validation of a Methodology to Assess the Flutter Limit Cycle Oscillation Amplitude of Low-Pressure Turbine Bladed-Disks - Part I: Mach Number Effects
Open the PDF for Validation of a Methodology to Assess the Flutter Limit Cycle Oscillation Amplitude of Low-Pressure Turbine Bladed-Disks - Part I: Mach Number Effects in another window
Topics: Bladed disks, Flutter (Aerodynamics), Limit cycles, Mach number, Oscillations, Pressure, Turbines, Damping, Vibration, Blades
Proceedings Papers

Validation of a Methodology to Assess the Flutter Limit Cycle Oscillation Amplitude of Low-Pressure Turbine Bladed-Disks - Part II: Shaft Speed Effects

Alvaro Escudero, Salvador Rodríguez-Blanco, Roque Corral
Proc. ASME. GT2024, Volume 10A: Structures and Dynamics — Aerodynamics Excitation and Damping; Bearing and Seal Dynamics; Emerging Methods in Engineering Design, Analysis, and Additive Manufacturing, V10AT21A018, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-129134
https://doi.org/10.1115/GT2024-129134
View Paper titled, Validation of a Methodology to Assess the Flutter Limit Cycle Oscillation Amplitude of Low-Pressure Turbine Bladed-Disks - Part II: Shaft Speed Effects
Open the PDF for Validation of a Methodology to Assess the Flutter Limit Cycle Oscillation Amplitude of Low-Pressure Turbine Bladed-Disks - Part II: Shaft Speed Effects in another window
Topics: Bladed disks, Flutter (Aerodynamics), Limit cycles, Oscillations, Pressure, Turbines, Vibration, Dry friction, Friction, Aerodynamics
Proceedings Papers

Numerical Method for Investigating Non-Ideal Flow Demonstrated on a Centrifugal Compressor Operating Near the Critical Point of CO2

Katharina Tegethoff, Carolina Borges de Almeida, Sebastian Schuster, Dieter Brillert
Proc. ASME. GT2024, Volume 11: Supercritical CO2, V011T28A012, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-124068
https://doi.org/10.1115/GT2024-124068
View Paper titled, Numerical Method for Investigating Non-Ideal Flow Demonstrated on a Centrifugal Compressor Operating Near the Critical Point of CO2
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Topics: Carbon dioxide, Compressors, Flow (Dynamics), Numerical analysis, Fluids, Compressibility, Computational fluid dynamics, Aerospace industry, Compressible flow, Equations of state
Proceedings Papers

An Experimental Investigation of the Corner Separation Control in a Compressor Cascade Using Spatially Oscillating Jet

Pengcheng Yang, Shaowen Chen, Guanyu Liu, Shiqi Wang
Proc. ASME. GT2024, Volume 12A: Turbomachinery — Axial Flow Fan and Compressor Aerodynamics, V12AT29A024, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-126084
https://doi.org/10.1115/GT2024-126084
View Paper titled, An Experimental Investigation of the Corner Separation Control in a Compressor Cascade Using Spatially Oscillating Jet
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Topics: Actuators, Cascades (Fluid dynamics), Compressors, Corners (Structural elements), Flow control, Oscillations, Separation (Technology)
Proceedings Papers

Investigations on Unsteady Flow Structure Formation in Tandem Bladed Axial Flow Compressor Stage

Ajey Singh, Chetankumar S. Mistry
Proc. ASME. GT2024, Volume 12A: Turbomachinery — Axial Flow Fan and Compressor Aerodynamics, V12AT29A052, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-129574
https://doi.org/10.1115/GT2024-129574
View Paper titled, Investigations on Unsteady Flow Structure Formation in Tandem Bladed Axial Flow Compressor Stage
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Topics: Axial flow, Blades, Flow (Dynamics), Nozzles, Unsteady flow, Wakes, Rotors, Stators, Compressors, Design
Proceedings Papers

Using Pseudotime Marching for the Solution of Harmonic Balance Problems

Christian Frey, Jan Backhaus, Graham Ashcroft, Georg Geiser, Benjamin Winhart, Heinrich Stüer
Proc. ASME. GT2024, Volume 12C: Turbomachinery — Design Methods and CFD Modeling for Turbomachinery; Ducts, Noise, and Component Interactions, V12CT32A038, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-127820
https://doi.org/10.1115/GT2024-127820
View Paper titled, Using Pseudotime Marching for the Solution of Harmonic Balance Problems
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Topics: Aeroelasticity, Compressors, Computational fluid dynamics, Errors, Flow (Dynamics), Jacobian matrices, Linear systems, Oscillations, Robustness, Scalars
Proceedings Papers

Investigation of the Sigma Approximation Technique for the Solution of the Time Spectral Equation System

Yuze Zhu, Yuxuan Zhang, Sen Zhang, Dingxi Wang
Proc. ASME. GT2024, Volume 12C: Turbomachinery — Design Methods and CFD Modeling for Turbomachinery; Ducts, Noise, and Component Interactions, V12CT32A027, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-125788
https://doi.org/10.1115/GT2024-125788
View Paper titled, Investigation of the Sigma Approximation Technique for the Solution of the Time Spectral Equation System
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Topics: Approximation, Oscillations
Proceedings Papers

Numerical Analysis of Oscillating Blade in Linear Cascade at Transonic Flow

Ragupathy S., Abhijit Kushari, M. C. Keerthi
Proc. ASME. GT2024, Volume 12D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Radial Turbomachinery Aerodynamics; Unsteady Flows in Turbomachinery, V12DT36A027, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-129233
https://doi.org/10.1115/GT2024-129233
View Paper titled, Numerical Analysis of Oscillating Blade in Linear Cascade at Transonic Flow
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Topics: Blades, Cascades (Fluid dynamics), Numerical analysis, Oscillations, Transonic flow, Shock (Mechanics), Fluctuations (Physics), Compressors, Flutter (Aerodynamics), Pressure
Proceedings Papers

The Unsteady Shock-Boundary Layer Interaction in a Compressor Cascade – Part 3: Mechanisms of Shock Oscillation

Edwin Joseph Munoz Lopez, Alexander Hergt, Joachim Klinner, Bjoern F. Klose, Chris Willert, Volker Gümmer
Proc. ASME. GT2024, Volume 12D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Radial Turbomachinery Aerodynamics; Unsteady Flows in Turbomachinery, V12DT36A019, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-128197
https://doi.org/10.1115/GT2024-128197
View Paper titled, The Unsteady Shock-Boundary Layer Interaction in a Compressor Cascade – Part 3: Mechanisms of Shock Oscillation
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Topics: Cascades (Fluid dynamics), Compressors, Oscillations, Shock (Mechanics), Pressure, Unsteady flow, Waves, Blades, Computational fluid dynamics, Cycles
Proceedings Papers

Heat Transfer Enhancement in Pulsating Flows: A Bayesian Approach to Experimental Correlations

Matei Cristian Ignuta-Ciuncanu, Chris Noon, Ricardo F. Martinez-Botas
Proc. ASME. GT2024, Volume 13: Heat Transfer: General Interest / Additive Manufacturing Impacts on Heat Transfer; Wind Energy, V013T13A012, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-123876
https://doi.org/10.1115/GT2024-123876
View Paper titled, Heat Transfer Enhancement in Pulsating Flows: A Bayesian Approach to Experimental Correlations
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Topics: Heat transfer, Pulsatile flow, Flow (Dynamics), Pipes, Accounting, Chain, Cities, Exhaust manifolds, Exhaust systems, Gas flow