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Proceedings Papers

A Hybrid, Runtime Coupled Incompressible CFD/CAA Method for Analysis of Thermoacoustic Instabilities

Hanna Reinhardt, Çetin Alanyalıoğlu, André Fischer, Claus Lahiri, Christian Hasse
Proc. ASME. GT2022, Volume 10C: Turbomachinery — Design Methods and CFD Modeling for Turbomachinery; Ducts, Noise, and Component Interactions, V10CT33A014, June 13–17, 2022
Paper No: GT2022-82515
DOI: https://doi.org/10.1115/GT2022-82515
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Topics: Computational fluid dynamics, Acoustics, Engineering simulation, Simulation, Flow (Dynamics), Mach number, Navier-Stokes equations, Combustion, Combustion chambers, Computation
Proceedings Papers

Analytical Modeling of the Injector Response to High Frequency Modes in a Tubular Multi-Jet-Combustor

Jan-Andre Rosenkranz, Thomas Sattelmayer
Proc. ASME. GT2022, Volume 10C: Turbomachinery — Design Methods and CFD Modeling for Turbomachinery; Ducts, Noise, and Component Interactions, V10CT33A006, June 13–17, 2022
Paper No: GT2022-81957
DOI: https://doi.org/10.1115/GT2022-81957
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Topics: Combustion chambers, Ejectors, Modeling, Acoustics, Emissions, Flames, Fuels, Combustion, Computation, Computer simulation
Proceedings Papers

Accelerating the Development of a New Turbomachinery Concept in an Environment With Limited Resources and Experimental Data: Challenges

Dylan Rubini, Nikolas Karefyllidis, Liping Xu, Budimir Rosic, Harri Johannesdahl
Proc. ASME. GT2022, Volume 10D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Turbomachinery General Interest; Unsteady Flows in Turbomachinery, V10DT36A001, June 13–17, 2022
Paper No: GT2022-80698
DOI: https://doi.org/10.1115/GT2022-80698
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Topics: Aerodynamics, Carbon, Chemical reactions, Chemistry, Computational fluid dynamics, Computer-aided engineering, Cracking (Materials), Databases, Design, Eddies (Fluid dynamics)
Proceedings Papers

From Concept to Wind Tunnel Model: Efficient Design Methodology for Innovative Low-Noise Propellers

Lieven Baert, Gabriele Grasso, Caroline Sainvitu, Ingrid Lepot, Marinus J. van Enkhuizen, Karel Lammers, Nicholas Bown
Proc. ASME. GT2022, Volume 10D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Turbomachinery General Interest; Unsteady Flows in Turbomachinery, V10DT34A001, June 13–17, 2022
Paper No: GT2022-77969
DOI: https://doi.org/10.1115/GT2022-77969
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Topics: Design methodology, Noise (Sound), Propellers, Wind tunnels, Design, Aircraft, Optimization, Shapes, Aviation, Blades
Proceedings Papers

Active Rotor Controller Design for Vibration and Bend Mitigation Utilizing Active Magnetic Bearings and Internal Shaft Actuation

Gauthier Fieux, Nicola Bailey, Patrick Keogh
Proc. ASME. GT2022, Volume 8B: Structures and Dynamics — Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V08BT26A010, June 13–17, 2022
Paper No: GT2022-82528
DOI: https://doi.org/10.1115/GT2022-82528
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Topics: Control equipment, Design, Magnetic bearings, Rotors, Vibration, Machinery, Actuators, Feedback, Finite element analysis, Flanges
Proceedings Papers

Multi-Objective Development of Machine-Learnt Closures for Fully Integrated Transition and Wake Mixing Predictions in Low Pressure Turbines

Harshal D. Akolekar, Fabian Waschkowski, Roberto Pacciani, Yaomin Zhao, Richard D. Sandberg
Proc. ASME. GT2022, Volume 10C: Turbomachinery — Design Methods and CFD Modeling for Turbomachinery; Ducts, Noise, and Component Interactions, V10CT32A013, June 13–17, 2022
Paper No: GT2022-81091
DOI: https://doi.org/10.1115/GT2022-81091
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Topics: Machinery, Pressure, Turbines, Wakes, Blades, Computational fluid dynamics, Machine learning, Boundary layers, Reynolds number, Reynolds-averaged Navier–Stokes equations
Proceedings Papers

Symmetry Breaking in an Experimental Annular Combustor Model With Deterministic Electroacoustic Feedback and Stochastic Forcing

Sylvain C. Humbert, Alessandro Orchini, Christian Oliver Paschereit, Nicolas Noiray
Proc. ASME. GT2022, Volume 3A: Combustion, Fuels, and Emissions, V03AT04A046, June 13–17, 2022
Paper No: GT2022-81729
DOI: https://doi.org/10.1115/GT2022-81729
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Topics: Combustion chambers, Feedback, Noise (Sound)
Proceedings Papers

Computation of Intrinsic Instability and Sound Generation From Autoignition Fronts

Harish Subramanian Gopalakrishnan, Andrea Gruber, Jonas Moeck
Proc. ASME. GT2022, Volume 3B: Combustion, Fuels, and Emissions, V03BT04A022, June 13–17, 2022
Paper No: GT2022-82480
DOI: https://doi.org/10.1115/GT2022-82480
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Topics: Computation, Combustion chambers, Flames, Oscillations, Acoustics, Ignition, Combustion, Heat, Carbon, Emissions
Proceedings Papers

Numerical Investigation of the Local Thermo-Chemical State in a Thermo-Acoustically Unstable Dual Swirl Gas Turbine Model Combustor

T. Jeremy P. Karpowski, Federica Ferraro, Matthias Steinhausen, Sebastian Popp, Christoph M. Arndt, Christian Kraus, Henning Bockhorn, Wolfgang Meier, Christian Hasse
Proc. ASME. GT2022, Volume 3B: Combustion, Fuels, and Emissions, V03BT04A056, June 13–17, 2022
Paper No: GT2022-83810
DOI: https://doi.org/10.1115/GT2022-83810
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Topics: Acoustics, Combustion chambers, Gas turbines, Flames, Oscillations, Cycles, Delays, Enthalpy, Heat losses, Accounting
Proceedings Papers

A Novel Low-Cost Approach to Testing High-Cycle Fatigue Limits

Luis Mendez Betances, Samer Armaly, Jeffrey L. Kauffman
Proc. ASME. GT2022, Volume 8A: Structures and Dynamics — Aerodynamics Excitation and Damping; Bearing and Seal Dynamics; Emerging Methods in Engineering Design, Analysis, and Additive Manufacturing; Fatigue, Fracture, and Life Prediction, V08AT24A009, June 13–17, 2022
Paper No: GT2022-82658
DOI: https://doi.org/10.1115/GT2022-82658
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Topics: High cycle fatigue, Testing, Vibration, Cycles, Engines, Feedback, Motors, Cantilevers, Control equipment, Displacement
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
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Topics: Acoustics, Air flow, Jet engines, Sprays, Combustion chambers, Emissions, Excitation, Oscillations, Drops, Flames
Proceedings Papers

Response of Autoignition-Stabilized Flames to One-Dimensional Disturbances: Intrinsic Response

Harish S. Gopalakrishnan, Andrea Gruber, Jonas Moeck
Proc. ASME. GT2021, Volume 3A: Combustion, Fuels, and Emissions, V03AT04A052, June 7–11, 2021
Paper No: GT2021-59351
DOI: https://doi.org/10.1115/GT2021-59351
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Topics: Flames, Acoustics, Combustion chambers, Fluctuations (Physics), Combustion, Oscillations, Temperature, Carbon, Chemistry, Computer simulation
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

Aeroderivative Gas Turbine Enclosure Ventilation System

Ravinder Yerram, Richard Watkins, Balakrishnan Ponnuraj
Proc. ASME. GT2021, Volume 2C: Turbomachinery — Design Methods and CFD Modeling for Turbomachinery; Ducts, Noise, and Component Interactions, V02CT34A014, June 7–11, 2021
Paper No: GT2021-59136
DOI: https://doi.org/10.1115/GT2021-59136
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Topics: Gas turbines, Ventilation, Engines, Leakage, Turbines, Computational fluid dynamics, Flow (Dynamics), Boundary-value problems, Cooling, Fuels
Proceedings Papers

Correlating Time-Resolved Pressure Measurements With Rim Sealing Effectiveness for Real-Time Turbine Health Monitoring

Eric T. DeShong, Benjamin Peters, Reid A. Berdanier, Karen A. Thole, Kamran Paynabar, Nagi Gebraeel
Proc. ASME. GT2021, Volume 5B: Heat Transfer — General Interest; Internal Air Systems; Internal Cooling, V05BT14A012, June 7–11, 2021
Paper No: GT2021-59586
DOI: https://doi.org/10.1115/GT2021-59586
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Topics: Pressure measurement, Sealing (Process), Turbines, Engines, Hardware, Feedback, Flow (Dynamics), Compressors, Damage, Design
Proceedings Papers

Design Optimization of a Multi-kW Thermoacoustic Electric Generator Using DeltaEC Model

Srinath Somu, Deanna Lacoste, Saumitra Saxena, William L. Roberts, Robert M. Keolian
Proc. ASME. GT2020, Volume 5: Controls, Diagnostics, and Instrumentation; Cycle Innovations; Cycle Innovations: Energy Storage, V005T06A021, September 21–25, 2020
Paper No: GT2020-15419
DOI: https://doi.org/10.1115/GT2020-15419
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Topics: Acoustics, Cycles, Design, Gas turbines, Generators, Optimization, Dimensions, Heat, Heat recovery, Power stations
Proceedings Papers

Some Observations on the Computational Sensitivity of Rotating Cavity Flows

Tom Hickling, Li He
Proc. ASME. GT2020, Volume 7C: Heat Transfer, V07CT14A026, September 21–25, 2020
Paper No: GT2020-16103
DOI: https://doi.org/10.1115/GT2020-16103
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Topics: Aerodynamics, Buoyancy, Cavities, Cavity flows, Compressors, Computation, Disks, Eddies (Fluid dynamics), Feedback, Flow (Dynamics)
Proceedings Papers

Smart Passive Control of Thermoacoustic Instability in a Bluff-Body Stabilized Combustor: A Lagrangian Analysis of Critical Structures

C. P. Premchand, Manikandan Raghunathan, Midhun Raghunath, K. V. Reeja, R. I. Sujith, Vineeth Nair
Proc. ASME. GT2020, Volume 4B: Combustion, Fuels, and Emissions, V04BT04A040, September 21–25, 2020
Paper No: GT2020-16073
DOI: https://doi.org/10.1115/GT2020-16073
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Topics: Combustion chambers, Passive control, Flow (Dynamics), Heat, Pressure, Fluctuations (Physics), Shear (Mechanics), Wavelet transforms, Acoustics, Dynamics (Mechanics)
Proceedings Papers

Effect of an Azimuthal Mean Flow on the Structure and Stability of Thermoacoustic Modes in an Annular Combustor Model With Electroacoustic Feedback

Sylvain C. Humbert, Jonas P. Moeck, Alessandro Orchini, Christian Oliver Paschereit
Proc. ASME. GT2020, Volume 4B: Combustion, Fuels, and Emissions, V04BT04A045, September 21–25, 2020
Paper No: GT2020-16091
DOI: https://doi.org/10.1115/GT2020-16091
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Topics: Acoustics, Combustion chambers, Damping, Feedback, Flow (Dynamics), Oscillations, Stability
Proceedings Papers

The Effect of the Degree of Premixedness on Self-Excited Combustion Instability

Adam Howie, Daniel Doleiden, Stephen Peluso, Jacqueline O’Connor
Proc. ASME. GT2020, Volume 4B: Combustion, Fuels, and Emissions, V04BT04A056, September 21–25, 2020
Paper No: GT2020-16192
DOI: https://doi.org/10.1115/GT2020-16192
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Topics: Acoustics, Chemiluminescence, Combustion, Combustion chambers, Corners (Structural elements), Dynamics (Mechanics), Emissions, Feedback, Flames, Flow (Dynamics)