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Proceedings Papers

Stall Margin Improvement in a Transonic Compressor With a Casing Treatment: Flow Mechanism

Proc. ASME. GT2022, Volume 10A: Turbomachinery — Axial Flow Fan and Compressor Aerodynamics, V10AT29A039, June 13–17, 2022

Paper No: GT2022-83363

DOI: https://doi.org/10.1115/GT2022-83363

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Topics: Compressors, Flow (Dynamics), Leakage flows, Collisions (Physics), Design, Blades, Delays, Fluids, Large eddy simulation, Leakage

Proceedings Papers

Design of a Blowing Type Flow Treatment to Complement Casing Treatments for Compact High-Pressure Compressor Rear Stages

Christian P. Köhler, Christofer Kendall-Torry, Christian Helcig, Volker Gümmer

Proc. ASME. GT2022, Volume 10A: Turbomachinery — Axial Flow Fan and Compressor Aerodynamics, V10AT29A002, June 13–17, 2022

Paper No: GT2022-78311

DOI: https://doi.org/10.1115/GT2022-78311

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Topics: Compressors, Design, Flow (Dynamics), High pressure (Physics), Rotors, Stators, Corners (Structural elements), Delays, Engineering simulation, Experimental design

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

The Application of the Arbitrary-Order Galerkin Reduction Method to the Dynamic Analysis of a Rotor With a Preloaded Single-Pad Foil-Air Bearing

Ibrahim Ghalayini, Philip Bonello

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, V08AT22A017, June 13–17, 2022

Paper No: GT2022-82585

DOI: https://doi.org/10.1115/GT2022-82585

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Topics: Dynamic analysis, Foil bearings, Rotors, Clearances (Engineering), Delays, Engineering simulation, Simulation, Air bearings, Condensation, Finite element analysis

Proceedings Papers

From Pressure Time Series Data to Flame Transfer Functions: A Framework for Perfectly-Premixed Swirling Flames

Abdulla Ghani, Alp Albayrak

Proc. ASME. GT2022, Volume 3B: Combustion, Fuels, and Emissions, V03BT04A058, June 13–17, 2022

Paper No: GT2022-84357

DOI: https://doi.org/10.1115/GT2022-84357

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Topics: Flames, Pressure, Swirling flow, Time series, Transfer functions, Optimization, Combustion, Turbulence, Acoustics, Combustion chambers

Proceedings Papers

Autoignition Delay Time Measurements and Chemical Kinetic Modeling of Hydrogen/Ammonia/Natural Gas Mixtures

Jessica B. Baker, Ramees K. Rahman, Michael Pierro, Jacklyn Higgs, Justin Urso, Cory Kinney, Subith Vasu

Proc. ASME. GT2022, Volume 2: Coal, Biomass, Hydrogen, and Alternative Fuels; Controls, Diagnostics, and Instrumentation; Steam Turbine, V002T03A008, June 13–17, 2022

Paper No: GT2022-81004

DOI: https://doi.org/10.1115/GT2022-81004

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Topics: Delays, Hydrogen, Ignition delay, Modeling, Natural gas, Shock tubes

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

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

Effects of Surface Waviness on Fan Blade Boundary Layer Transition and Profile Loss — Part II: Experimental Assessments and Applications

Jinwook Lee, Vaishnavi Ramaswamy, Zoltán S. Spakovszky, Edward M. Greitzer, Mark Drela, Jérôme Talbotec

Proc. ASME. GT2021, Volume 2A: Turbomachinery — Axial Flow Fan and Compressor Aerodynamics, V02AT31A011, June 7–11, 2021

Paper No: GT2021-58678

DOI: https://doi.org/10.1115/GT2021-58678

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Topics: Blades, Boundary layers, Wavelength, Surface waves (Fluid), Aircraft, Composite materials, Delays, Resonance, Reynolds number, Thermography

Proceedings Papers

Cost Effective Options of Closed CO2 Cycles for CSP Applications

Simone Maccarini, Alberto Traverso, Emanuel Pesatori

Proc. ASME. GT2021, Volume 10: Supercritical CO2, V010T30A021, June 7–11, 2021

Paper No: GT2021-59756

DOI: https://doi.org/10.1115/GT2021-59756

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Topics: Carbon dioxide, Cycles, Brayton cycle, Delays, Diffusion (Physics), Electricity (Physics), Energy storage, Steam, Supercritical carbon dioxide, Temperature

Proceedings Papers

Uncertainty Quantification of Spalart-Allmaras Turbulence Model Coefficients for Compressor Stall

Xiao He, Fanzhou Zhao, Mehdi Vahdati

Proc. ASME. GT2020, Volume 2C: Turbomachinery, V02CT35A028, September 21–25, 2020

Paper No: GT2020-15014

DOI: https://doi.org/10.1115/GT2020-15014

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Topics: Compressors, Turbulence, Uncertainty quantification, Uncertainty, Airfoils, Flow (Dynamics), Rotors, Delays, Monte Carlo methods, Navier-Stokes equations

Proceedings Papers

Experimental and Numerical Study of an Open Impeller Centrifugal Compressor Stage Utilising 3D Diffuser End Wall Contouring for Operating Range Extension

Daniel Hermann, Manfred Wirsum, Douglas Robinson, Philipp Jenny

Proc. ASME. GT2020, Volume 2E: Turbomachinery, V02ET39A017, September 21–25, 2020

Paper No: GT2020-14782

DOI: https://doi.org/10.1115/GT2020-14782

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Topics: Compressors, Diffusers, Impellers, Design, Flow (Dynamics), Mach number, Blades, Stability, Computation, Computational fluid dynamics

Proceedings Papers

Adjoint-Based Calculation of Parametric Thermoacoustic Maps of an Industrial Combustion Chamber

Camilo F. Silva, Laura Prieto, Maximiliano Ancharek, Pablo Marigliani, Georg A. Mensah

Proc. ASME. GT2020, Volume 4A: Combustion, Fuels, and Emissions, V04AT04A038, September 21–25, 2020

Paper No: GT2020-14699

DOI: https://doi.org/10.1115/GT2020-14699

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Topics: Combustion chambers, Eigenvalues, Flames, Delays, Energy generation, Perturbation theory, Polynomials, Resolution (Optics), Stability, Turbines

Proceedings Papers

Data-Driven Identification of Nonlinear Flame Models

Abdulla Ghani, Isaac Boxx, Carrie Noren

Proc. ASME. GT2020, Volume 4A: Combustion, Fuels, and Emissions, V04AT04A054, September 21–25, 2020

Paper No: GT2020-15001

DOI: https://doi.org/10.1115/GT2020-15001

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Topics: Flames, Acoustics, Combustion, Limit cycles, Network models, Pressure, Computer software, Delays, Dynamics (Mechanics), Fluctuations (Physics)

Proceedings Papers

Large-Eddy Simulation of Flame Dynamics During the Ignition of a Swirling Injector Unit and Comparison With Experiments

Karl Töpperwien, Félix Collin-Bastiani, Eleonore Riber, Bénédicte Cuenot, Guillaume Vignat, Kevin Prieur, Daniel Durox, Sébastien Candel, Ronan Vicquelin

Proc. ASME. GT2020, Volume 4B: Combustion, Fuels, and Emissions, V04BT04A057, September 21–25, 2020

Paper No: GT2020-16197

DOI: https://doi.org/10.1115/GT2020-16197

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Topics: Dynamics (Mechanics), Ejectors, Flames, Ignition, Large eddy simulation, Swirling flow, Delays, Flow (Dynamics), Gases, Pressure

Proceedings Papers

Study on the Smart Diagnosis of Gas Turbine With Distributed Computing Technique

Hang Wu, Jinwei Chen, Huisheng Zhang

Proc. ASME. GT2019, Volume 3: Coal, Biomass, Hydrogen, and Alternative Fuels; Cycle Innovations; Electric Power; Industrial and Cogeneration; Organic Rankine Cycle Power Systems, V003T06A031, June 17–21, 2019

Paper No: GT2019-91950

DOI: https://doi.org/10.1115/GT2019-91950

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Topics: Gas turbines, Artificial neural networks, Computers, Data mining, Delays, Machine learning, Maintenance, Modeling, Multilayer perceptron, Performance

Proceedings Papers

Combustion Instabilities of Separated Stratified Swirling Flames With Different Degrees of Premixedness

Xinyao Wang, Xiao Han, Xin Hui, Chi Zhang, Heng Song, Yuzhen Lin, Chih-Jen Sung

Proc. ASME. GT2019, Volume 4A: Combustion, Fuels, and Emissions, V04AT04A052, June 17–21, 2019

Paper No: GT2019-90852

DOI: https://doi.org/10.1115/GT2019-90852

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Topics: Combustion, Flames, Swirling flow, Fuels, Oscillations, Pressure, Chemiluminescence, Combustion chambers, Delays, Fast Fourier transforms

Proceedings Papers

Numerical Investigation of Cut-Corner in Recess Vaned Casing Treatment

Xiangyi Chen, Wuli Chu, Haoguang Zhang, Bo Luo

Proc. ASME. GT2019, Volume 2A: Turbomachinery, V02AT39A016, June 17–21, 2019

Paper No: GT2019-90751

DOI: https://doi.org/10.1115/GT2019-90751

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Topics: Corners (Structural elements), Flow (Dynamics), Blades, Clearances (Engineering), Computer simulation, Delays, Fans

Proceedings Papers

Study on the Effect and Fuzzy Compensation of Nonlinear Characteristics on SOFC-GT Fuel Supply System

Jinwei Chen, Shengnan Sun, Jingxuan Li, Huisheng Zhang

Paper No: GT2019-91929

DOI: https://doi.org/10.1115/GT2019-91929

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Topics: Fuels, Solid oxide fuel cells, Servomechanisms, Actuators, Flow (Dynamics), Simulation results, Valves, Computer software, Delays, Dynamic response

Proceedings Papers

Parametric Study on Ported Shroud Locations and Geometries for a Turbocharger Compressor

Suheab Thamizullah, Abdul Nassar, Antonio Davis, Gaurav Giri, Leonid Moroz

Proc. ASME. GT2019, Volume 8: Microturbines, Turbochargers, and Small Turbomachines; Steam Turbines, V008T26A017, June 17–21, 2019

Paper No: GT2019-91245

DOI: https://doi.org/10.1115/GT2019-91245

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Topics: Compressors, Turbochargers, Design, Surges, Blades, Delays, Automotive engines, Cavities, Computational fluid dynamics, Computer software

NARROW

Stall Margin Improvement in a Transonic Compressor With a Casing Treatment: Flow Mechanism

Design of a Blowing Type Flow Treatment to Complement Casing Treatments for Compact High-Pressure Compressor Rear Stages

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

The Application of the Arbitrary-Order Galerkin Reduction Method to the Dynamic Analysis of a Rotor With a Preloaded Single-Pad Foil-Air Bearing

From Pressure Time Series Data to Flame Transfer Functions: A Framework for Perfectly-Premixed Swirling Flames

Autoignition Delay Time Measurements and Chemical Kinetic Modeling of Hydrogen/Ammonia/Natural Gas Mixtures

Delay Identification in Thermoacoustics

Characterization of Dynamics of Unstable Fuel-Rich Flame

Effects of Surface Waviness on Fan Blade Boundary Layer Transition and Profile Loss — Part II: Experimental Assessments and Applications

Cost Effective Options of Closed CO2 Cycles for CSP Applications

Uncertainty Quantification of Spalart-Allmaras Turbulence Model Coefficients for Compressor Stall

Experimental and Numerical Study of an Open Impeller Centrifugal Compressor Stage Utilising 3D Diffuser End Wall Contouring for Operating Range Extension

Adjoint-Based Calculation of Parametric Thermoacoustic Maps of an Industrial Combustion Chamber

Data-Driven Identification of Nonlinear Flame Models

Large-Eddy Simulation of Flame Dynamics During the Ignition of a Swirling Injector Unit and Comparison With Experiments

Study on the Smart Diagnosis of Gas Turbine With Distributed Computing Technique

Combustion Instabilities of Separated Stratified Swirling Flames With Different Degrees of Premixedness

Numerical Investigation of Cut-Corner in Recess Vaned Casing Treatment

Study on the Effect and Fuzzy Compensation of Nonlinear Characteristics on SOFC-GT Fuel Supply System

Parametric Study on Ported Shroud Locations and Geometries for a Turbocharger Compressor

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