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Proceedings Papers

Understanding the Dynamics of Critical Transitions in a Contra-Rotating Fan

Manas Madasseri Payyappalli, A. M. Pradeep
Proc. ASME. GT2021, Volume 2D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Radial Turbomachinery Aerodynamics; Unsteady Flows in Turbomachinery, V02DT39A004, June 7–11, 2021
Paper No: GT2021-58937
DOI: https://doi.org/10.1115/GT2021-58937
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Topics: Annulus, Design, Dynamics (Mechanics), Fans, Flow (Dynamics), Leakage, Rotors, Stress, Vortices, Waves
Proceedings Papers

Design and Validation of a Novel Test-Rig for RQL Flame Dynamics Studies

Martin March, Julian Renner, Christoph Hirsch, Thomas Sattelmayer
Proc. ASME. GT2021, Volume 3A: Combustion, Fuels, and Emissions, V03AT04A007, June 7–11, 2021
Paper No: GT2021-58602
DOI: https://doi.org/10.1115/GT2021-58602
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Topics: Design, Dynamics (Mechanics), Flames, Acoustics, Aircraft engines, Combustion, Combustion chambers, Combustion gases, Damping, Ducts
Proceedings Papers

On the Effect of Noise Induced Dynamics on Linear Growth Rates of Oscillations in an Electroacoustic Rijke Tube Simulator

Neha Vishnoi, Pankaj Wahi, Aditya Saurabh, Lipika Kabiraj
Proc. ASME. GT2021, Volume 3A: Combustion, Fuels, and Emissions, V03AT04A013, June 7–11, 2021
Paper No: GT2021-58691
DOI: https://doi.org/10.1115/GT2021-58691
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Topics: Dynamics (Mechanics), Noise (Sound), Oscillations, Stability, Combustion chambers, Acoustics, Gas turbines, Bifurcation, Combustion, Damping
Proceedings Papers

Confidence in Flame Impulse Response Estimation From LES With Uncertain Thermal Boundary Conditions

Sagar Kulkarni, Shuai Guo, Camilo F. Silva, Wolfgang Polifke
Proc. ASME. GT2021, Volume 3A: Combustion, Fuels, and Emissions, V03AT04A002, June 7–11, 2021
Paper No: GT2021-58352
DOI: https://doi.org/10.1115/GT2021-58352
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Topics: Boundary-value problems, Flames, Impulse (Physics), Uncertainty, Combustion chambers, Temperature, Dynamic response, Stability, Combustion, Dynamics (Mechanics)
Proceedings Papers

Impact of Hydrogen Addition on the Thermoacoustic Instability and Precessing Vortex Core Dynamics in a CH 4 /H 2 /air Technically Premixed Combustor

Anindya Datta, Saarthak Gupta, Santosh Hemchandra, Ianko Chterev, Isaac Boxx
Proc. ASME. GT2021, Volume 3A: Combustion, Fuels, and Emissions, V03AT04A018, June 7–11, 2021
Paper No: GT2021-58794
DOI: https://doi.org/10.1115/GT2021-58794
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Topics: Combustion chambers, Dynamics (Mechanics), Hydrogen, Methane, Vortices, Oscillations, Flames, Flow (Dynamics), Fuels, Nozzles
Proceedings Papers

Impact of a Centrebody on the Unsteady Flow Dynamics of A Swirl Nozzle: Intermittency of PVC Oscillations

Saarthak Gupta, Santosh Hemchandra, Masayasu Shimura, Santosh Shanbhogue, Ahmed Ghoniem
Proc. ASME. GT2021, Volume 3A: Combustion, Fuels, and Emissions, V03AT04A003, June 7–11, 2021
Paper No: GT2021-58358
DOI: https://doi.org/10.1115/GT2021-58358
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Topics: Dynamics (Mechanics), Nozzles, Oscillations, Unsteady flow, Flow (Dynamics), Vortices, Bubbles, Combustion chambers, Turbulence, Emissions
Proceedings Papers

Experimental Investigation of Fuel Staging Effect on Modal Dynamics of Thermoacoustic Azimuthal Instabilities in a Multi-Nozzle Can Combustor

J. Kim, W. Gillman, T. John, S. Adhikari, D. Wu, B. Emerson, V. Acharya, T. Lieuwen, M. Isono, T. Saitoh
Proc. ASME. GT2021, Volume 3A: Combustion, Fuels, and Emissions, V03AT04A037, June 7–11, 2021
Paper No: GT2021-59098
DOI: https://doi.org/10.1115/GT2021-59098
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Topics: Combustion chambers, Dynamics (Mechanics), Fuels, Nozzles
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
Paper No: GT2021-58903
DOI: https://doi.org/10.1115/GT2021-58903
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Topics: Delays, Thermoacoustics, Flames, Noise (Sound), Acoustics, Combustion, Time series, Damping, Dynamics (Mechanics), Engineering simulation
Proceedings Papers

Relative Effects of Velocity- and Mixture-Coupling in a Thermoacoustically Unstable, Partially-Premixed Flame

Ashwini Karmarker, Jacqueline O’Connor, Isaac Boxx
Proc. ASME. GT2021, Volume 3A: Combustion, Fuels, and Emissions, V03AT04A039, June 7–11, 2021
Paper No: GT2021-59113
DOI: https://doi.org/10.1115/GT2021-59113
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Topics: Flames, Flow (Dynamics), Combustion chambers, Gas turbines, Oscillations, Combustion, Dynamics (Mechanics), Fluctuations (Physics), Fluorescence, Fuels
Proceedings Papers

Thermoacoustic Stability Analysis of a Full-Annular Lean Combustor for Heavy-Duty Applications

Daniele Pampaloni, Antonio Andreini, Alessandro Marini, Giovanni Riccio, Gianni Ceccherini
Proc. ASME. GT2021, Volume 3A: Combustion, Fuels, and Emissions, V03AT04A049, June 7–11, 2021
Paper No: GT2021-59267
DOI: https://doi.org/10.1115/GT2021-59267
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Topics: Combustion chambers, Stability, Flames, Dynamics (Mechanics), Engineering simulation, Fuels, Gas turbines, Simulation, Boundary-value problems, Combustion systems
Proceedings Papers

Evaluation of Blow-Off Dynamics in Aero-Engine Combustors Using Recurrence Quantification Analysis

Ho Yin Leung, Efstathios Karlis, Yannis Hardalupas, Andrea Giusti
Proc. ASME. GT2021, Volume 3B: Combustion, Fuels, and Emissions, V03BT04A007, June 7–11, 2021
Paper No: GT2021-59484
DOI: https://doi.org/10.1115/GT2021-59484
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Topics: Aircraft engines, Combustion chambers, Dynamics (Mechanics), Flames, Engines, Aircraft, Flight, Nonlinear dynamical systems, Pressure measurement
Proceedings Papers

Characterization of Dynamics of Unstable Fuel-Rich Flame

M. Weber, J. Song, J. G. Lee
Proc. ASME. GT2021, Volume 3B: Combustion, Fuels, and Emissions, V03BT04A034, June 7–11, 2021
Paper No: GT2021-60121
DOI: https://doi.org/10.1115/GT2021-60121
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Topics: Dynamics (Mechanics), Flames, Fuels, Emissions, Pressure, Combustion chambers, Combustion, Delays, Heat, Imaging
Proceedings Papers

Flow Response of an Industrial Gas Turbine Combustor To Acoustic Forcing Extracted From Unforced Data

Jan Paul Beuth, Jakob G. R. von Saldern, Thomas Ludwig Kaiser, Thoralf G. Reichel, Christian Oliver Paschereit, Bernhard Ćosić, Kilian Oberleithner
Proc. ASME. GT2021, Volume 3B: Combustion, Fuels, and Emissions, V03BT04A015, June 7–11, 2021
Paper No: GT2021-59718
DOI: https://doi.org/10.1115/GT2021-59718
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Topics: Acoustics, Combustion chambers, Flow (Dynamics), Industrial gases, Turbines, Flames, Dynamics (Mechanics), Fluctuations (Physics), Combustion systems, Emissions
Proceedings Papers

Application of Large Eddy Simulation for HA_Class Combustion System Design to Mitigate Combustion Instabilities (Frequency, and Amplitude)

Azardokht Hajiloo, Venkat Narra, Erin Krumenacker, Hasan Karim, Lee Shunn, Sanjeeb Bose, Frank Ham
Proc. ASME. GT2021, Volume 3B: Combustion, Fuels, and Emissions, V03BT04A037, June 7–11, 2021
Paper No: GT2021-60184
DOI: https://doi.org/10.1115/GT2021-60184
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Topics: Combustion, Combustion systems, Design, Large eddy simulation, Combustion chambers, Engineering simulation, Engines, Fuels, Gas turbines, Hardware
Proceedings Papers

Thermoacoustic Instabilities of Hydrogen-Enriched Partially Premixed Flames in a Swirl Combustor

Y. Gong, D. Fredrich, A. J. Marquis, W. P. Jones, I. Boxx
Proc. ASME. GT2021, Volume 3B: Combustion, Fuels, and Emissions, V03BT04A023, June 7–11, 2021
Paper No: GT2021-60009
DOI: https://doi.org/10.1115/GT2021-60009
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Topics: Combustion chambers, Flames, Hydrogen, Chemistry, Combustion, Oscillations, Chemical reactions, Density, Dynamics (Mechanics), Feedback
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
Paper No: GT2021-60118
DOI: https://doi.org/10.1115/GT2021-60118
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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

Self-Excited High-Frequency Transverse Limit-Cycle Oscillations and Associated Flame Dynamics in a Gas Turbine Reheat Combustor Experiment

Jonathan McClure, Frederik M. Berger, Michael Bertsch, Bruno Schuermans, Thomas Sattelmayer
Proc. ASME. GT2021, Volume 3B: Combustion, Fuels, and Emissions, V03BT04A009, June 7–11, 2021
Paper No: GT2021-59540
DOI: https://doi.org/10.1115/GT2021-59540
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Topics: Combustion chambers, Dynamics (Mechanics), Flames, Gas turbines, Limit cycles, Oscillations, Acoustics, Pressure, Displacement, Heat
Proceedings Papers

Characterisation and Validation of an Optical Pressure Sensor for Combustion Monitoring at Low Frequency

Gianluca Nicchiotti, Stephane A. Page, Krzysztof Solinski, Lukas Andracher, Nina Paulitsch, Fabrice Giuliani
Proc. ASME. GT2021, Volume 4: Controls, Diagnostics, and Instrumentation; Cycle Innovations; Cycle Innovations: Energy Storage; Education; Electric Power, V004T05A005, June 7–11, 2021
Paper No: GT2021-59103
DOI: https://doi.org/10.1115/GT2021-59103
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Topics: Combustion, Pressure sensors, Pressure, High temperature, Chain, Combustion systems, Computer software, Dynamics (Mechanics), Emissions, Equipment performance
Proceedings Papers

Morphing of Reversible Axial Fan Blade: A FSI-FEM Study

Valerio F. Barnabei, Alessio Castorrini, Alessandro Corsini, Franco Rispoli
Proc. ASME. GT2021, Volume 1: Aircraft Engine; Fans and Blowers; Marine; Wind Energy; Scholar Lecture, V001T10A009, June 7–11, 2021
Paper No: GT2021-59554
DOI: https://doi.org/10.1115/GT2021-59554
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Topics: Blades, Finite element methods, Finite element model, Fluid structure interaction, Design, Flow (Dynamics), Engineering simulation, Fluids, Shapes, Simulation
Proceedings Papers

The Development of Turboexpander-Generators for Gas Pressure Letdown Part I: Design and Analysis

Rasish Khatri, Jeremy Liu, Freddie Sarhan, Ovais Najeeb, Hiroshi Kajita, Mitsuru Kozuka
Proc. ASME. GT2021, Volume 8: Oil and Gas Applications; Steam Turbine, V008T20A018, June 7–11, 2021
Paper No: GT2021-60125
DOI: https://doi.org/10.1115/GT2021-60125
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Topics: Bearings, Design, Dynamics (Mechanics), Generators, Magnetic bearings, Pressure