1-20 of 1637
Stability
Close
Save search
Follow your search
Access your saved searches in your account
Would you like to receive an alert when new items match your search?
Close Modal
Sort by
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
View Paper
PDF
Topics: Design, Dynamics (Mechanics), Flames, Acoustics, Aircraft engines, Combustion, Combustion chambers, Combustion gases, Damping, Ducts
Proceedings Papers

Gradient-Free Optimization in Thermoacoustics: Application to A Low-Order Model

Johann Moritz Reumschüssel, Jakob G. R. von Saldern, Yiqing Li, Christian Oliver Paschereit, Alessandro Orchini
Proc. ASME. GT2021, Volume 3A: Combustion, Fuels, and Emissions, V03AT04A001, June 7–11, 2021
Paper No: GT2021-58341
DOI: https://doi.org/10.1115/GT2021-58341
View Paper
PDF
Topics: Optimization, Thermoacoustics, Fuels, Algorithms, Combustion chambers, Optimization algorithms, Design, Evolutionary algorithms, Fuel injectors, Gradient methods
Proceedings Papers

Development and Atmospheric Testing of a High Hydrogen FlameSheet™ Combustor for the OP16 Gas Turbine

Thijs Bouten, Jan Withag, Lars-Uno Axelsson, Joris Koomen, Diethard Jansen, Peter Stuttaford
Proc. ASME. GT2021, Volume 3A: Combustion, Fuels, and Emissions, V03AT04A048, June 7–11, 2021
Paper No: GT2021-59236
DOI: https://doi.org/10.1115/GT2021-59236
View Paper
PDF
Topics: Combustion chambers, Gas turbines, Hydrogen, Testing, Combustion systems, Emissions, Flames, Fuels, Vortices, Carbon
Proceedings Papers

Enhancing Fuel Flexibility in Solar’s ® Titan™ 250 Dry Low Emissions Combustion System

Michael Ramotowski, Donald Cramb
Proc. ASME. GT2021, Volume 3A: Combustion, Fuels, and Emissions, V03AT04A029, June 7–11, 2021
Paper No: GT2021-58986
DOI: https://doi.org/10.1115/GT2021-58986
View Paper
PDF
Topics: Combustion systems, Emissions, Fuels, Engines, Natural gas, Combustion, Hydrogen, Testing, Carbon dioxide, Compressors
Proceedings Papers

Experimental Characterization of the Combustion in Fuel Flexible Humid Power Cycles

Simeon Dybe, Felix Güthe, Michael Bartlett, Panagiotis Stathopoulos, Christian Oliver Paschereit
Proc. ASME. GT2021, Volume 3A: Combustion, Fuels, and Emissions, V03AT04A012, June 7–11, 2021
Paper No: GT2021-58675
DOI: https://doi.org/10.1115/GT2021-58675
View Paper
PDF
Topics: Combustion, Experimental characterization, Fuels, Thermodynamic power cycles, Emissions, Hydrogen, Nitrogen oxides, Flames, Steam, Syngas
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
View Paper
PDF
Topics: Dynamics (Mechanics), Noise (Sound), Oscillations, Stability, Combustion chambers, Acoustics, Gas turbines, Bifurcation, Combustion, Damping
Proceedings Papers

Amplitude-Dependent Damping and Driving Rates of High-Frequency Thermoacoustic Oscillations in a Lab-Scale Lean-Premixed Gas Turbine Combustor

Thomas Hofmeister, Thomas Sattelmayer
Proc. ASME. GT2021, Volume 3A: Combustion, Fuels, and Emissions, V03AT04A004, June 7–11, 2021
Paper No: GT2021-58456
DOI: https://doi.org/10.1115/GT2021-58456
View Paper
PDF
Topics: Combustion chambers, Damping, Gas turbines, Oscillations, Flow (Dynamics), Acoustics, Computational fluid dynamics, Engineering simulation, Flames, Simulation
Proceedings Papers

Influence of Acoustically Excited Airflows on a Planar Airblast Prefilmer

Thomas Christou, Björn Stelzner, Nikolaos Zarzalis
Proc. ASME. GT2021, Volume 3A: Combustion, Fuels, and Emissions, V03AT04A022, June 7–11, 2021
Paper No: GT2021-58862
DOI: https://doi.org/10.1115/GT2021-58862
View Paper
PDF
Topics: Acoustics, Air flow, Jet engines, Sprays, Combustion chambers, Emissions, Excitation, Oscillations, Drops, Flames
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
View Paper
PDF
Topics: Boundary-value problems, Flames, Impulse (Physics), Uncertainty, Combustion chambers, Temperature, Dynamic response, Stability, Combustion, Dynamics (Mechanics)
Proceedings Papers

Describing the Mechanism of Instability Suppression Using a Central Pilot Flame With Coupled Experiments and Simulations

Jihang Li, Hyunguk Kwon, Drue Seksinsky, Daniel Doleiden, Jacqueline O’Connor, Yuan Xuan, Michel Akiki, James Blust
Proc. ASME. GT2021, Volume 3A: Combustion, Fuels, and Emissions, V03AT04A040, June 7–11, 2021
Paper No: GT2021-59117
DOI: https://doi.org/10.1115/GT2021-59117
View Paper
PDF
Topics: Flames, Simulation, Combustion chambers, Oscillations, Combustion, Flow (Dynamics), Emissions, Gas turbines, Gases, Acoustics
Proceedings Papers

Optimization of Fuel Nozzle Diameter in a Novel Cross Flow Lean Direct Injection Burner

Kingshuk Chakraborty, S. R. Chakravarthy
Proc. ASME. GT2021, Volume 3A: Combustion, Fuels, and Emissions, V03AT04A030, June 7–11, 2021
Paper No: GT2021-59009
DOI: https://doi.org/10.1115/GT2021-59009
View Paper
PDF
Topics: Combustion, Cross-flow, Fuels, Gas turbines, Jets, Nozzles, Optimization, Swirling flow, Combustion chambers, Flames
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
View Paper
PDF
Topics: Dynamics (Mechanics), Nozzles, Oscillations, Unsteady flow, Flow (Dynamics), Vortices, Bubbles, Combustion chambers, Turbulence, Emissions
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
View Paper
PDF
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
View Paper
PDF
Topics: Flames, Flow (Dynamics), Combustion chambers, Gas turbines, Oscillations, Combustion, Dynamics (Mechanics), Fluctuations (Physics), Fluorescence, Fuels
Proceedings Papers

Flow Fields, Emission and Stabilization in Premixed Centrally-Staged Swirl Flames With Different Air Split Ratios

Tong Su, Yuzhen Lin, Chi Zhang, Xiao Han
Proc. ASME. GT2021, Volume 3A: Combustion, Fuels, and Emissions, V03AT04A033, June 7–11, 2021
Paper No: GT2021-59061
DOI: https://doi.org/10.1115/GT2021-59061
View Paper
PDF
Topics: Emissions, Flames, Flow (Dynamics), Stability
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
View Paper
PDF
Topics: Combustion chambers, Stability, Flames, Dynamics (Mechanics), Engineering simulation, Fuels, Gas turbines, Simulation, Boundary-value problems, Combustion systems
Proceedings Papers

Comparison of Model Order Reduction Methods in Thermoacoustic Stability Analysis

Naman Purwar, Maximilian Meindl, Wolfgang Polifke
Proc. ASME. GT2021, Volume 3B: Combustion, Fuels, and Emissions, V03BT04A021, June 7–11, 2021
Paper No: GT2021-59972
DOI: https://doi.org/10.1115/GT2021-59972
View Paper
PDF
Topics: Stability, Acoustics, Flames, Cavities, Transfer functions, Algorithms, Computation, Optimization, Wave propagation
Proceedings Papers

Recursive Sequential Combustion: A Concept Study About a Momentum-Enhanced Blend of the Reactants With Recirculated Burnt Gases

Fabrice Giuliani, Nina Paulitsch, Andrea Hofer
Proc. ASME. GT2021, Volume 3B: Combustion, Fuels, and Emissions, V03BT04A012, June 7–11, 2021
Paper No: GT2021-59592
DOI: https://doi.org/10.1115/GT2021-59592
View Paper
PDF
Topics: Combustion, Gases, Momentum, Flames, Combustion chambers, Design, Flow (Dynamics), Annulus, Emissions, Exhaust systems
Proceedings Papers

Isentropic Formulation of the Linearized Euler Equations For Perfectly Premixed Combustion Systems

Pedro Romero Vega, Thomas Hofmeister, Gerrit Heilmann, Christoph Hirsch, Thomas Sattelmayer
Proc. ASME. GT2021, Volume 3B: Combustion, Fuels, and Emissions, V03BT04A026, June 7–11, 2021
Paper No: GT2021-60055
DOI: https://doi.org/10.1115/GT2021-60055
View Paper
PDF
Topics: Acoustics, Combustion chambers, Combustion systems, Damping, Density, Entropy, Flow (Dynamics), Gas turbines, Heat, Momentum
Proceedings Papers

Towards Reduced Order Models of Small-Scale Acoustically Significant Components in Gas Turbine Combustion Chambers

Suhas A. Kowshik, Sumukha Shridhar, N. C. W. Treleaven
Proc. ASME. GT2021, Volume 3B: Combustion, Fuels, and Emissions, V03BT04A013, June 7–11, 2021
Paper No: GT2021-59601
DOI: https://doi.org/10.1115/GT2021-59601
View Paper
PDF
Topics: Acoustics, Combustion chambers, Gas turbines, Simulation, Computational fluid dynamics, Flow (Dynamics), Artificial neural networks, Damping, Cooling, Design