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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

Effects of Surface Waviness on Fan Blade Boundary Layer Transition and Profile Loss — Part I: Methodology and Computational Results

Jinwook Lee, Zoltán S. Spakovszky, Edward M. Greitzer, Mark Drela, Jérôme Talbotec
Proc. ASME. GT2021, Volume 2A: Turbomachinery — Axial Flow Fan and Compressor Aerodynamics, V02AT31A010, June 7–11, 2021
Paper No: GT2021-58676
DOI: https://doi.org/10.1115/GT2021-58676
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Topics: Blades, Boundary layers, Wavelength, Acoustics, Composite materials, Computation, Energy transformation, Flow (Dynamics), Noise (Sound), Surface waves (Fluid)
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

Performance Evaluation of Leading Edge Tubercles Applied to the Blades in a 2-D Compressor Cascade

Satpreet S. Sidhu, Asad Asghar, William D. E. Allan
Proc. ASME. GT2021, Volume 2A: Turbomachinery — Axial Flow Fan and Compressor Aerodynamics, V02AT31A017, June 7–11, 2021
Paper No: GT2021-58798
DOI: https://doi.org/10.1115/GT2021-58798
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Topics: Blades, Cascades (Fluid dynamics), Compressors, Performance evaluation, Flow visualization, Geometry, Mach number, Pressure, Aircraft engines, Design
Proceedings Papers

Convection in Scaled Turbine Internal Cooling Passages With Additive Manufacturing Roughness

Gabriel J. Stafford, Stephen T. McClain, David R. Hanson, Robert F. Kunz, Karen A. Thole
Proc. ASME. GT2021, Volume 5B: Heat Transfer — General Interest; Internal Air Systems; Internal Cooling, V05BT15A018, June 7–11, 2021
Paper No: GT2021-59684
DOI: https://doi.org/10.1115/GT2021-59684
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Topics: Additive manufacturing, Convection, Cooling, Surface roughness, Turbines, Aluminum, Friction, Compressibility, Computer numerical control machine tools, Drag (Fluid dynamics)
Proceedings Papers

Dynamic Mode Decomposition Analysis of Separated Boundary Layers Under Variable Reynolds Number and Free-Stream Turbulence

M. Dellacasagrande, J. Verdoya, D. Barsi, D. Lengani, D. Simoni
Proc. ASME. GT2020, Volume 2E: Turbomachinery, V02ET41A038, September 21–25, 2020
Paper No: GT2020-16322
DOI: https://doi.org/10.1115/GT2020-16322
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Topics: Boundary layers, Reynolds number, Turbulence, Wavelength, Fluctuations (Physics), Shear (Mechanics), Vortices, Accounting, Control systems, Density
Proceedings Papers

Shape Optimization of Thermoacoustic Systems Using a 2D Adjoint Helmholtz Solver

Stefano Falco, Matthew P. Juniper
Proc. ASME. GT2020, Volume 4A: Combustion, Fuels, and Emissions, V04AT04A051, September 21–25, 2020
Paper No: GT2020-14971
DOI: https://doi.org/10.1115/GT2020-14971
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Topics: Shape optimization, Combustion chambers, Geometry, Turbulence, Wavelength, Acoustics, Design, Finite element analysis, Flames, Shapes
Proceedings Papers

Experimental Drag and Mixing From Lobed Nozzles Under High Swirl Conditions From a Ducted Fan

Maverick Zawislak, Michael Birk
Proc. ASME. GT2020, Volume 1: Aircraft Engine; Fans and Blowers, V001T01A026, September 21–25, 2020
Paper No: GT2020-15211
DOI: https://doi.org/10.1115/GT2020-15211
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Topics: Drag (Fluid dynamics), Nozzles, Vorticity, Thrust, Flow (Dynamics), Vortices, Computational fluid dynamics, Design methodology, Cooling, Design
Proceedings Papers

Impact of Soot Radiative Properties, Pressure and Soot Volume Fraction on Radiative Heat Transfer in Turbulent Sooty Flames

Kevin Torres Monclard, Olivier Gicquel, Ronan Vicquelin
Proc. ASME. GT2020, Volume 4B: Combustion, Fuels, and Emissions, V04BT04A017, September 21–25, 2020
Paper No: GT2020-15559
DOI: https://doi.org/10.1115/GT2020-15559
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Topics: Flames, Pressure, Radiative heat transfer, Soot, Turbulence, Electromagnetic scattering, Particulate matter, Radiation scattering, Scattering (Physics), Emissions
Proceedings Papers

Modeling Thermally Grown Oxides in Thermal Barrier Coatings Using Koch Fractal

Peter Warren, Sandip Haldar, Seetha Raghavan, Ranajay Ghosh
Proc. ASME. GT2019, Volume 6: Ceramics; Controls, Diagnostics, and Instrumentation; Education; Manufacturing Materials and Metallurgy, V006T24A019, June 17–21, 2019
Paper No: GT2019-91722
DOI: https://doi.org/10.1115/GT2019-91722
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Topics: Fractals, Modeling, Thermal barrier coatings, Stress, Cracking (Materials), Creep, Delamination, Failure, Fracture (Process), Geometry
Proceedings Papers

Improvement of Steam Turbine Blade Foil With Biomimetic Design and its Influence on Aerodynamic Performance

Fan Wu, Danmei Xie, Jing Zhang, Hengliang Zhang, Chun Wang
Proc. ASME. GT2019, Volume 8: Microturbines, Turbochargers, and Small Turbomachines; Steam Turbines, V008T29A022, June 17–21, 2019
Paper No: GT2019-91128
DOI: https://doi.org/10.1115/GT2019-91128
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Topics: Biomimetics, Blades, Design, Steam turbines, Flow (Dynamics), Bionics, Shapes, Torque, Vortices, Stress
Proceedings Papers

Carbon Monoxide Emission Measurements From a Supercritical CO 2 Combustor Rig Using a Mid-Infrared Laser Absorption Diagnostic

James P. Anderson, Alejandro Camou, Eric L. Petersen, Mark Harris, David M. Cusano
Proc. ASME. GT2019, Volume 9: Oil and Gas Applications; Supercritical CO2 Power Cycles; Wind Energy, V009T38A030, June 17–21, 2019
Paper No: GT2019-91779
DOI: https://doi.org/10.1115/GT2019-91779
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Topics: Absorption, Carbon, Combustion chambers, Emissions, Lasers, Supercritical carbon dioxide, Temperature, Exhaust systems, Absorption spectra, Calibration
Proceedings Papers

Suppression of Combustion Instabilities in a Premixed Swirl Combustor With Acoustic Liner

Liangliang Xu, Guoqing Wang, Changcai Mo, Xunchen Liu, Lei Li, Fei Qi, Xiaofeng Sun
Proc. ASME. GT2019, Volume 4A: Combustion, Fuels, and Emissions, V04AT04A035, June 17–21, 2019
Paper No: GT2019-90600
DOI: https://doi.org/10.1115/GT2019-90600
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Topics: Acoustics, Combustion, Combustion chambers, Flow (Dynamics), Temperature, Air flow, Combustion systems, Energy dissipation, Flames, Mach number
Proceedings Papers

Effect of a Premixed Pilot Flame on the Velocity-Forced Flame Response in a Lean-Premixed Swirl-Stabilized Combustor

Jihang Li, Stephen Peluso, Domenic Santavicca, James Blust
Proc. ASME. GT2019, Volume 4B: Combustion, Fuels, and Emissions, V04BT04A034, June 17–21, 2019
Paper No: GT2019-91577
DOI: https://doi.org/10.1115/GT2019-91577
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Topics: Combustion chambers, Flames, Shear (Mechanics), Heat, Transfer functions, Fluctuations (Physics), Chemiluminescence, Dynamics (Mechanics), Flow (Dynamics), Fuels
Proceedings Papers

Characterisation of Waves and Ligaments in Films Close to an Aeroengine Ball Bearing

Jee Loong Hee, Kathy Simmons, David Hann, Michael Walsh
Proc. ASME. GT2019, Volume 5A: Heat Transfer, V05AT13A012, June 17–21, 2019
Paper No: GT2019-91698
DOI: https://doi.org/10.1115/GT2019-91698
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Topics: Ball bearings, Waves, Gravity (Force), Wavelength, Flow (Dynamics), Shear (Mechanics), Stress, Bearings, Engineering systems and industry applications, Gas turbines
Proceedings Papers

Modelling and Design of LPC Components With Semi-Analytical Models: Part I — Model Formulation and Validation

Luca di Mare, Mauro Carnevale, Max E. Rife, Davendu Kulkarni, Richard Northall
Proc. ASME. GT2019, Volume 2B: Turbomachinery, V02BT42A002, June 17–21, 2019
Paper No: GT2019-90479
DOI: https://doi.org/10.1115/GT2019-90479
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Topics: Design, Modeling, Engines, Computational fluid dynamics, Flow (Dynamics), Wavelength, Commercial air transport, Turbofans, Compression, Computation
Proceedings Papers

Modelling and Design of LPC Components With Semi-Analytical Models: Part II — Design of Optimal OGV Cascades

Luca di Mare, Mauro Carnevale, Max E. Rife, Davendu Kulkarni, Richard Northall
Proc. ASME. GT2019, Volume 2B: Turbomachinery, V02BT42A003, June 17–21, 2019
Paper No: GT2019-90481
DOI: https://doi.org/10.1115/GT2019-90481
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Topics: Design, Modeling, Flow (Dynamics), Actuators, Disks, Optimization, Approximation, Cascades (Fluid dynamics), Computation, Computational fluid dynamics
Proceedings Papers

Tip Leakage Flow Instability in a Centrifugal Compressor

Teng Cao, Tadashi Kanzaka, Liping Xu, Tobias Brandvik
Proc. ASME. GT2019, Volume 2B: Turbomachinery, V02BT44A003, June 17–21, 2019
Paper No: GT2019-90217
DOI: https://doi.org/10.1115/GT2019-90217
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Topics: Compressors, Leakage flows, Blades, Flow (Dynamics), Impellers, Pressure, Shear (Mechanics), Vortex shedding, Wavelength, Computer simulation
Proceedings Papers

Efficient Passage-Spectral Method for Unsteady Flows Under Stall Conditions

David Romera, Roque Corral
Proc. ASME. GT2019, Volume 2C: Turbomachinery, V02CT41A035, June 17–21, 2019
Paper No: GT2019-91661
DOI: https://doi.org/10.1115/GT2019-91661
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Topics: Unsteady flow, Flow (Dynamics), Annulus, Fourier series, Modeling, NASA, Rotors, Blades, Compressors, Leakage
Proceedings Papers

CO Time-Histories During Oxy-Methane Combustion in a CO 2 Environment

Owen M. Pryor, Erik Ninnemann, Subith Vasu
Proc. ASME. GT2019, Volume 3: Coal, Biomass, Hydrogen, and Alternative Fuels; Cycle Innovations; Electric Power; Industrial and Cogeneration; Organic Rankine Cycle Power Systems, V003T03A023, June 17–21, 2019
Paper No: GT2019-92086
DOI: https://doi.org/10.1115/GT2019-92086
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Topics: Carbon dioxide, Combustion, Methane, Carbon, Ignition delay, Temperature, Wavelength, Absorption spectroscopy, Emissions, Lasers