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Proceedings Papers

Localized Breakup Instabilities for a Liquid Jet in Crossflow

Sheikh Salauddin, Wilmer Flores, Michelle Otero, Kareem Ahmed

Proc. ASME. GT2021, Volume 3B: Combustion, Fuels, and Emissions, V03BT04A004, June 7–11, 2021

Paper No: GT2021-59421

DOI: https://doi.org/10.1115/GT2021-59421

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Topics: Aviation, Flow (Dynamics), Fuels, Hydrodynamic stability, Momentum, Nonlinear dynamical systems, Principal component analysis, Rayleigh-Taylor instability, Resolution (Optics), Shear (Mechanics)

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

Spectral Analysis of an Aeronautical Lean Direct Injection Burner Through Large Eddy Simulation

M. Carreres, L. M. García-Cuevas, J. García-Tíscar, M. Belmar-Gil

Proc. ASME. GT2020, Volume 2C: Turbomachinery, V02CT35A027, September 21–25, 2020

Paper No: GT2020-14998

DOI: https://doi.org/10.1115/GT2020-14998

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Topics: Emission spectroscopy, Large eddy simulation, Spectroscopy, Swirling flow, Combustion chambers, Acoustics, Computational fluid dynamics, Flow (Dynamics), Combustion, Computer simulation

Proceedings Papers

The Role of the Centerbody Wake on the Precessing Vortex Core Dynamics of a Swirl Nozzle

Arnab Mukherjee, Nishanth Muthichur, Chaitali More, Saarthak Gupta, Santosh Hemchandra

Proc. ASME. GT2020, Volume 4B: Combustion, Fuels, and Emissions, V04BT04A025, September 21–25, 2020

Paper No: GT2020-15777

DOI: https://doi.org/10.1115/GT2020-15777

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Topics: Dynamics (Mechanics), Nozzles, Vortices, Wakes, Flow (Dynamics), Bubbles, Combustion chambers, Hydrodynamic stability, Jets, Large eddy simulation

Proceedings Papers

Effects of Fuel Staging on the Hydrodynamic Stability of Multi Nozzle Swirl Flows

Saarthak Gupta, Kiran Manoharan, Santosh Hemchandra

Proc. ASME. GT2019, Volume 4B: Combustion, Fuels, and Emissions, V04BT04A012, June 17–21, 2019

Paper No: GT2019-91152

DOI: https://doi.org/10.1115/GT2019-91152

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Topics: Flow (Dynamics), Fuels, Hydrodynamic stability, Nozzles, Oscillations, Combustion chambers, Heat, Acoustics, Combustion, Density

Proceedings Papers

Control Strategies of an Academic Rotor/Stator Cavity Through Sensitivity Analysis

Matthieu Queguineur, Laurent Gicquel, Gabriel Staffelbach

Proc. ASME. GT2019, Volume 2A: Turbomachinery, V02AT45A008, June 17–21, 2019

Paper No: GT2019-90745

DOI: https://doi.org/10.1115/GT2019-90745

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Topics: Cavities, Rotors, Sensitivity analysis, Stators, Flow (Dynamics), Stability, Turbomachinery, Actuators, Aerospace industry, Boundary layers

Proceedings Papers

Measurements of Periodic Reynolds Stress Oscillations in a Forced Turbulent Premixed Swirling Flame

Christopher Douglas, Jamie Lim, Travis Smith, Benjamin Emerson, Timothy Lieuwen, Naibo Jiang, Christopher Fugger, Tongxun Yi, Joseph Felver, Sukesh Roy, James Gord

Proc. ASME. GT2018, Volume 4B: Combustion, Fuels, and Emissions, V04BT04A042, June 11–15, 2018

Paper No: GT2018-76914

DOI: https://doi.org/10.1115/GT2018-76914

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Topics: Flames, Oscillations, Stress, Swirling flow, Turbulence, Acoustics, Combustion, Combustion chambers, Computational fluid dynamics, Convection

Proceedings Papers

Influence of Non-Axisymmetric Confinement on the Hydrodynamic Stability of Multi-Nozzle Swirl Flows

Harish G. Subramanian, Kiran Manoharan, Santosh Hemchandra

Proc. ASME. GT2018, Volume 4B: Combustion, Fuels, and Emissions, V04BT04A019, June 11–15, 2018

Paper No: GT2018-76368

DOI: https://doi.org/10.1115/GT2018-76368

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Topics: Flow (Dynamics), Hydrodynamic stability, Nozzles, Combustion chambers, Flames, Oscillations, Stability, Acoustics, Density, Dynamics (Mechanics)

Proceedings Papers

Experimental Study of Transient Mechanisms of Bi-Stable Flame Shape Transitions in a Swirl Combustor

Michael Stöhr, Kilian Oberleithner, Moritz Sieber, Zhiyao Yin, Wolfgang Meier

Proc. ASME. GT2017, Volume 4B: Combustion, Fuels and Emissions, V04BT04A063, June 26–30, 2017

Paper No: GT2017-65003

DOI: https://doi.org/10.1115/GT2017-65003

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Topics: Combustion chambers, Flames, Shapes, Transients (Dynamics), Flow (Dynamics), Gas turbines, Hydrodynamic stability, Turbulence, Nozzles, Principal component analysis

Proceedings Papers

Stability and Sensitivity Analysis of Hydrodynamic Instabilities in Industrial Swirled Injection Systems

Thomas L. Kaiser, Thierry Poinsot, Kilian Oberleithner

Proc. ASME. GT2017, Volume 4A: Combustion, Fuels and Emissions, V04AT04A043, June 26–30, 2017

Paper No: GT2017-63649

DOI: https://doi.org/10.1115/GT2017-63649

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Topics: Hydrodynamic stability, Sensitivity analysis, Stability, Ejectors, Large eddy simulation, Flow (Dynamics), Mode shapes, Vortices, Geometry, Particulate matter

Proceedings Papers

A Flow Starvation Model for Tilting Pad Journal Bearings and Evaluation of Frequency Response Functions: A Contribution Towards Understanding the Onset of Low Frequency Shaft Motions

Luis San Andrés, Bonjin Koo, Makoto Hemmi

Proc. ASME. GT2017, Volume 7A: Structures and Dynamics, V07AT34A030, June 26–30, 2017

Paper No: GT2017-64822

DOI: https://doi.org/10.1115/GT2017-64822

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Topics: Flow (Dynamics), Frequency response, Journal bearings, Bearings, Lubricants, Rotors, Stress, Damping, Lubrication, Fluids

Proceedings Papers

Control of the Precessing Vortex Core by Open and Closed-Loop Forcing in the Jet Core

Phoebe Kuhn, Jonas P. Moeck, Christian Oliver Paschereit, Kilian Oberleithner

Proc. ASME. GT2016, Volume 4B: Combustion, Fuels and Emissions, V04BT04A036, June 13–17, 2016

Paper No: GT2016-57686

DOI: https://doi.org/10.1115/GT2016-57686

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Topics: Vortices, Flow (Dynamics), Locks (Waterways), Oscillations, Actuators, Feedback, Jets, Signals, Wire, Bubbles

Proceedings Papers

Modeling Flame Describing Functions Based on Hydrodynamic Linear Stability Analysis

Kilian Oberleithner, Christian Oliver Paschereit

Proc. ASME. GT2016, Volume 4B: Combustion, Fuels and Emissions, V04BT04A009, June 13–17, 2016

Paper No: GT2016-57316

DOI: https://doi.org/10.1115/GT2016-57316

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Topics: Flames, Modeling, Stability, Combustion chambers, Flow (Dynamics), Fluctuations (Physics), Hydrodynamic stability, Acoustics, Combustion, Gas turbines

Proceedings Papers

Nonlinear Hydrodynamics of a Bluff-Body Stabilized Turbulent Premixed Flame

C. Y. Lee, R. S. Cant

Proc. ASME. GT2016, Volume 4B: Combustion, Fuels and Emissions, V04BT04A024, June 13–17, 2016

Paper No: GT2016-57492

DOI: https://doi.org/10.1115/GT2016-57492

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Topics: Flames, Hydrodynamics, Turbulence, Oscillations, Computational fluid dynamics, Limit cycles, Chaos, Combustion, Density, Flow (Dynamics)

Proceedings Papers

Role of Shear Layer Instability in Driving Pressure Oscillations in a Backward Facing Step Combustor

Srinivas K. Kirthy, Santosh Hemchandra, Seunghyuck Hong, Santosh Shanbhogue, Ahmed F. Ghoniem

Proc. ASME. GT2016, Volume 4B: Combustion, Fuels and Emissions, V04BT04A010, June 13–17, 2016

Paper No: GT2016-57322

DOI: https://doi.org/10.1115/GT2016-57322

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Topics: Combustion chambers, Oscillations, Pressure, Shear (Mechanics), Flow (Dynamics), Combustion, Acoustics, Density, Hydrodynamic stability, Sound pressure

Proceedings Papers

Adjoint Sensitivity Analysis of Hydrodynamic Stability in a Gas Turbine Fuel Injector

Outi Tammisola, Matthew P. Juniper

Proc. ASME. GT2015, Volume 4A: Combustion, Fuels and Emissions, V04AT04A057, June 15–19, 2015

Paper No: GT2015-42736

DOI: https://doi.org/10.1115/GT2015-42736

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Topics: Fuel injectors, Gas turbines, Hydrodynamic stability, Sensitivity analysis, Oscillations, Flow (Dynamics), Stability, Combustion chambers, Ejectors, Acoustics

Proceedings Papers

Instability Mechanism in a Swirl Flow Combustor: Precession of Vortex Core and Influence of Density Gradient

Kiran Manoharan, Samuel Hansford, Jacqueline O’ Connor, Santosh Hemchandra

Proc. ASME. GT2015, Volume 4A: Combustion, Fuels and Emissions, V04AT04A073, June 15–19, 2015

Paper No: GT2015-42985

DOI: https://doi.org/10.1115/GT2015-42985

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Topics: Combustion chambers, Density, Flow (Dynamics), Vortices, Gas turbines, Combustion, Flames, Shear (Mechanics), Fuels, Hydrodynamic stability

Proceedings Papers

Global and Local Hydrodynamic Stability Analysis as a Tool for Combustor Dynamics Modeling

Pedro Paredes, Vassilis Theofilis, Steffen Terhaar, Kilian Oberleithner, Christian Oliver Paschereit

Proc. ASME. GT2015, Volume 4B: Combustion, Fuels and Emissions, V04BT04A070, June 15–19, 2015

Paper No: GT2015-44173

DOI: https://doi.org/10.1115/GT2015-44173

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Topics: Combustion chambers, Dynamics (Mechanics), Hydrodynamic stability, Modeling, Flow (Dynamics), Combustion, Stability, Acoustics, Combustion systems, Flames

Proceedings Papers

The Simulation Methods in the Rotor-Machinery Diagnostics

Jan Kicinski, Robert Drozdowski

Proc. ASME. GT1994, Volume 5: Manufacturing Materials and Metallurgy; Ceramics; Structures and Dynamics; Controls, Diagnostics and Instrumentation; Education; General, V005T15A020, June 13–16, 1994

Paper No: 94-GT-414

DOI: https://doi.org/10.1115/94-GT-414

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Topics: Machinery, Rotors, Simulation, Computer simulation, Bearings, Damage, Disks, Equations of motion, Finite element methods, Hydrodynamic stability

Proceedings Papers

Pre-Stall Behavior of Several High-Speed Compressors

M. Tryfonidis, O. Etchevers, J. D. Paduano, A. H. Epstein, G. J. Hendricks

Proc. ASME. GT1994, Volume 1: Turbomachinery, V001T01A135, June 13–16, 1994

Paper No: 94-GT-387

DOI: https://doi.org/10.1115/94-GT-387

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Topics: Compressors, Waves, Stability, Machinery, Rotors, Stall inception, Traveling waves, Compressibility, Design, Dynamics (Mechanics)

NARROW

Localized Breakup Instabilities for a Liquid Jet in Crossflow

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

Spectral Analysis of an Aeronautical Lean Direct Injection Burner Through Large Eddy Simulation

The Role of the Centerbody Wake on the Precessing Vortex Core Dynamics of a Swirl Nozzle

Effects of Fuel Staging on the Hydrodynamic Stability of Multi Nozzle Swirl Flows

Control Strategies of an Academic Rotor/Stator Cavity Through Sensitivity Analysis

Measurements of Periodic Reynolds Stress Oscillations in a Forced Turbulent Premixed Swirling Flame

Influence of Non-Axisymmetric Confinement on the Hydrodynamic Stability of Multi-Nozzle Swirl Flows

Experimental Study of Transient Mechanisms of Bi-Stable Flame Shape Transitions in a Swirl Combustor

Stability and Sensitivity Analysis of Hydrodynamic Instabilities in Industrial Swirled Injection Systems

A Flow Starvation Model for Tilting Pad Journal Bearings and Evaluation of Frequency Response Functions: A Contribution Towards Understanding the Onset of Low Frequency Shaft Motions

Control of the Precessing Vortex Core by Open and Closed-Loop Forcing in the Jet Core

Modeling Flame Describing Functions Based on Hydrodynamic Linear Stability Analysis

Nonlinear Hydrodynamics of a Bluff-Body Stabilized Turbulent Premixed Flame

Role of Shear Layer Instability in Driving Pressure Oscillations in a Backward Facing Step Combustor

Adjoint Sensitivity Analysis of Hydrodynamic Stability in a Gas Turbine Fuel Injector

Instability Mechanism in a Swirl Flow Combustor: Precession of Vortex Core and Influence of Density Gradient

Global and Local Hydrodynamic Stability Analysis as a Tool for Combustor Dynamics Modeling

The Simulation Methods in the Rotor-Machinery Diagnostics

Pre-Stall Behavior of Several High-Speed Compressors

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