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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

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)
Proceedings Papers

Introduction of a Smartphone Application in an Aeroengine Technology Course

Ioanna Aslanidou, Aggelos Gaitanis, Anestis I. Kalfas
Proc. ASME. GT2020, Volume 6: Education; Electric Power, V006T08A008, September 21–25, 2020
Paper No: GT2020-15958
DOI: https://doi.org/10.1115/GT2020-15958
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Topics: Aircraft propulsion, Engineering education, Engines, Feedback, Gas turbines, Students, Teaching, Thermodynamic cycles
Proceedings Papers

A High-Fidelity Modeling Tool to Support the Design of Oxy-Combustors for Direct-Fired sCO 2 Cycles

Andrea C. Zambon, Ashvin Hosangadi, Tim Weathers, Mark Winquist, Jeff Mays, Shinjiro Miyata, Ganesan Subbaraman
Proc. ASME. GT2020, Volume 11: Structures and Dynamics: Structural Mechanics, Vibration, and Damping; Supercritical CO2, V011T31A004, September 21–25, 2020
Paper No: GT2020-14406
DOI: https://doi.org/10.1115/GT2020-14406
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Topics: Chemistry, Combustion chambers, Computational fluid dynamics, Cycles, Design, Fluids, Modeling, Nitrogen oxides, Supercritical carbon dioxide, Ejectors
Proceedings Papers

Pitch Control for Anticipation in the Measurement of Wind Speed for Small Wind Turbines Installed in Areas With Atypical Winds

Ernesto Chavero-Navarrete, Alfredo Chavez-Luna, Juan-Carlos Jáuregui-Correa, Mario Trejo-Perea, Roberto-Valentín Carrillo-Serrano, José-Gabriel Rios-Moreno
Proc. ASME. GT2020, Volume 12: Wind Energy, V012T42A017, September 21–25, 2020
Paper No: GT2020-16122
DOI: https://doi.org/10.1115/GT2020-16122
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Topics: Control equipment, Fuzzy logic, Wind turbines, Wind velocity, Wind, Blades, Rotation, Rotors, Actuators, Algorithms
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

Design of Control Laws Based on Inverted Decoupling and LMI for a Turboprop Engine

Huairong Chen, Xi Wang, Meiyin Zhu, Nannan Gu, Shubo Yang
Proc. ASME. GT2019, Volume 6: Ceramics; Controls, Diagnostics, and Instrumentation; Education; Manufacturing Materials and Metallurgy, V006T05A008, June 17–21, 2019
Paper No: GT2019-90429
DOI: https://doi.org/10.1115/GT2019-90429
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Topics: Design, Engines, Blades, Flow (Dynamics), Fuels, High pressure (Physics), Turbines, Control equipment, Control systems, Feedback
Proceedings Papers

Two Degree-of-Freedom µ Synthesis Control With Kalman Filter for Flight Environment Simulation Volume With Sensors Uncertainty

Meiyin Zhu, Xi Wang, Shubo Yang, Huairong Chen, Keqiang Miao, Nannan Gu
Proc. ASME. GT2019, Volume 6: Ceramics; Controls, Diagnostics, and Instrumentation; Education; Manufacturing Materials and Metallurgy, V006T05A002, June 17–21, 2019
Paper No: GT2019-90116
DOI: https://doi.org/10.1115/GT2019-90116
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Topics: Degrees of freedom, Flight, Kalman filters, Sensors, Simulation, Uncertainty, Control equipment, Noise (Sound), Delays, Feedback
Proceedings Papers

Thermo-Acoustic Analysis of a Realistic Liquid-Fueled GT Combustor

Owen Graham, Nicholas Magina, A. J. Wickersham, Fei Han, Sebastiano Sorato, Sven Bethke
Proc. ASME. GT2019, Volume 4B: Combustion, Fuels, and Emissions, V04BT04A032, June 17–21, 2019
Paper No: GT2019-91547
DOI: https://doi.org/10.1115/GT2019-91547
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Topics: Acoustics, Combustion chambers, Fuels, Design, Emissions, Nozzles, Complex systems, Diffusion flames, Energy generation, Feedback
Proceedings Papers

Impact of Sweeping Jet on Area-Averaged Impingement Heat Transfer

Andrea Osorio, Justin Hodges, Husam Zawati, Erik J. Fernandez, Jayanta S. Kapat, José Rodriguez
Proc. ASME. GT2019, Volume 5A: Heat Transfer, V05AT13A014, June 17–21, 2019
Paper No: GT2019-91897
DOI: https://doi.org/10.1115/GT2019-91897
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Topics: Heat transfer, Disks, Temperature, Copper, Design, Energy budget (Physics), Feedback, Flow (Dynamics), Inertia (Mechanics)
Proceedings Papers

Aerodynamic Optimisation of the Low Pressure Turbine Module: Exploiting Surrogate Models in a High-Dimensional Design Space

Lieven Baert, Ingrid Lepot, Caroline Sainvitu, Emmanuel Chérière, Arnaud Nouvellon, Vincent Leonardon
Proc. ASME. GT2019, Volume 2D: Turbomachinery, V02DT46A018, June 17–21, 2019
Paper No: GT2019-91570
DOI: https://doi.org/10.1115/GT2019-91570
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Topics: Design, Optimization, Pressure, Turbines, Cycles, Data mining, Engines, Engineering simulation, Feedback, Flow (Dynamics)
Proceedings Papers

Flow Induced Dynamics of Plate Seals

Deepak Trivedi, Bernardo Kerr
Proc. ASME. GT2019, Volume 7B: Structures and Dynamics, V07BT34A025, June 17–21, 2019
Paper No: GT2019-90962
DOI: https://doi.org/10.1115/GT2019-90962
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Topics: Dynamics (Mechanics), Flow (Dynamics), Vibration, Plates (structures), Rotors, Hydrostatics, Pressure drop, Stators, Turbomachinery, Boundary-value problems
Proceedings Papers

Acoustic and Convective Mechanisms Contributing to Non-Synchronous-Vibrations in a Multistage Compressor

Christoph Brandstetter, Benoit Paoletti, Xavier Ottavy
Proc. ASME. GT2019, Volume 7A: Structures and Dynamics, V07AT36A019, June 17–21, 2019
Paper No: GT2019-91514
DOI: https://doi.org/10.1115/GT2019-91514
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Topics: Acoustics, Compressors, Vibration, Machinery, Clearances (Engineering), Flow (Dynamics), Locks (Waterways), Blades, Design, Engines