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Proceedings Papers

A Large Eddy Simulation Study on Hydrogen Microjets in Hot Vitiated Crossflow

Mohsen Broumand, Sean Yun, Zekai Hong
Proc. ASME. GT2024, Volume 2: Ceramics and Ceramic Composites; Coal, Biomass, Hydrogen, and Alternative Fuels, V002T03A039, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-129157
https://doi.org/10.1115/GT2024-129157
View Paper titled, A Large Eddy Simulation Study on Hydrogen Microjets in Hot Vitiated Crossflow
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Topics: Combustion, Flames, Heat flux, Hydrogen, Large eddy simulation, Turbulence, Vortices, Jets, Flow (Dynamics), Heat
Proceedings Papers

Shear-Driven Hydrogen-Air Mixing in OP16 DLE Combustor: A Comparative Study Between URANS and LES

Teja Donepudi, Rene Pecnik, Jurriaan W. R. Peeters, Sikke Klein, Thijs Bouten, Lars-Uno Axelsson
Proc. ASME. GT2024, Volume 2: Ceramics and Ceramic Composites; Coal, Biomass, Hydrogen, and Alternative Fuels, V002T03A011, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-123831
https://doi.org/10.1115/GT2024-123831
View Paper titled, Shear-Driven Hydrogen-Air Mixing in OP16 DLE Combustor: A Comparative Study Between URANS and LES
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Topics: Combustion chambers, Computational fluid dynamics, Hydrogen, Shear (Mechanics)
Proceedings Papers

Numerical Investigation of Lean Hydrogen-Air Flame Stabilization Regimes Using Large-Eddy Simulations

Ishan Verma, Rakesh Yadav, Stefano Orsino, Sourabh Shrivastava, Yuxin Zhang, Vasudevarao K., Vijayaraj Sukumar
Proc. ASME. GT2024, Volume 2: Ceramics and Ceramic Composites; Coal, Biomass, Hydrogen, and Alternative Fuels, V002T03A041, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-129230
https://doi.org/10.1115/GT2024-129230
View Paper titled, Numerical Investigation of Lean Hydrogen-Air Flame Stabilization Regimes Using Large-Eddy Simulations
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Topics: Flames, Hydrogen, Large eddy simulation, Ejectors, Nitrogen oxides, Combustion, Particle image velocimetry, Air jets, Diffusion (Physics), Modeling
Proceedings Papers

Effect of Flare Angle in a Counter-Rotating Dual Radial Swirler on the Stability of a Swirl-Stabilized Flame

Darshan D. Rathod, Thirumalaikumaran S. K., Sonu Kumar, Pratikash Panda, Saptarshi Basu
Proc. ASME. GT2024, Volume 3B: Combustion, Fuels, and Emissions, V03BT04A067, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-129127
https://doi.org/10.1115/GT2024-129127
View Paper titled, Effect of Flare Angle in a Counter-Rotating Dual Radial Swirler on the Stability of a Swirl-Stabilized Flame
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Topics: Chemiluminescence, Combustion, Ejectors, Flames, Flares, Flow (Dynamics), Particle image velocimetry, Shear (Mechanics), Stability, Heat
Proceedings Papers

Interplay Between Unburned Emissions and NOx Emissions From a Dual Swirl Hydrogen Air Injector

Hervé Magnes, Martin Vilespy, Laurent Selle, Thierry Poinsot, Thierry Schuller
Proc. ASME. GT2024, Volume 3B: Combustion, Fuels, and Emissions, V03BT04A049, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-128817
https://doi.org/10.1115/GT2024-128817
View Paper titled, Interplay Between Unburned Emissions and NOx Emissions From a Dual Swirl Hydrogen Air Injector
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Topics: Ejectors, Emissions, Hydrogen, Nitrogen oxides, Flames, Temperature, Combustion, Diffusion (Physics), Wings, Flue gases
Proceedings Papers

Characterization of the Swirl Velocity Field and Atomization Processes of a Lean Burn Gas Turbine Fuel Injector

Vivek Sahu, Preetam Jamod, Shanmugadas K. P.
Proc. ASME. GT2024, Volume 3B: Combustion, Fuels, and Emissions, V03BT04A068, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-129150
https://doi.org/10.1115/GT2024-129150
View Paper titled, Characterization of the Swirl Velocity Field and Atomization Processes of a Lean Burn Gas Turbine Fuel Injector
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Topics: Fuel injectors, Fuels, Gas turbines, Particle image velocimetry, Ejectors, Flow (Dynamics), Sprays, Drops, Air flow, Combustion chambers
Proceedings Papers

Evaluation of Subfilter Model Performance for LES of Supercritical Fluids

Dhruv Purushotham, Joseph C. Oefelein
Proc. ASME. GT2024, Volume 11: Supercritical CO2, V011T28A018, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-125326
https://doi.org/10.1115/GT2024-125326
View Paper titled, Evaluation of Subfilter Model Performance for LES of Supercritical Fluids
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Topics: Computer simulation, Large eddy simulation, Modeling, Supercritical fluids, Turbulence, Anisotropy, Carbon dioxide, Engineering simulation, Fluids, Momentum
Proceedings Papers

Turbulence Generation Mechanisms in Compressor Boundary Layers

Matteo Dellacasagrande, Pawel J. Przytarski
Proc. ASME. GT2024, Volume 12A: Turbomachinery — Axial Flow Fan and Compressor Aerodynamics, V12AT29A045, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-128738
https://doi.org/10.1115/GT2024-128738
View Paper titled, Turbulence Generation Mechanisms in Compressor Boundary Layers
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Topics: Boundary layers, Compressors, Turbulence, Flow (Dynamics), Kinetic energy, Fluctuations (Physics), Turbomachinery, Blades, Construction, Engineering simulation
Proceedings Papers

Finding Optimal Hemo-Compatible Operating Conditions for Ventricular Assistance Device

Louis Marcel, Mathieu Specklin, Smaine Kouidri
Proc. ASME. GT2023, Volume 9: Microturbines, Turbochargers, and Small Turbomachines; Oil and Gas Applications, V009T18A013, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-103635
https://doi.org/10.1115/GT2023-103635
View Paper titled, Finding Optimal Hemo-Compatible Operating Conditions for Ventricular Assistance Device
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Topics: Accidents, Biological cells, Blood, Centrifugal pumps, Computational fluid dynamics, Computer simulation, Erythrocytes, Flow (Dynamics), Fluids, Geometry
Proceedings Papers

Precessing Vortex Core Suppression in a Swirl Stabilized Combustor With Hydrogen Addition

Saarthak Gupta, Anindya Datta, Santosh Hemchandra, Isaac Boxx
Proc. ASME. GT2023, Volume 3A: Combustion, Fuels, and Emissions, V03AT04A002, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-100617
https://doi.org/10.1115/GT2023-100617
View Paper titled, Precessing Vortex Core Suppression in a Swirl Stabilized Combustor With Hydrogen Addition
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Topics: Combustion chambers, Hydrogen, Vortices, Flames, Flow (Dynamics), Fuels, Oscillations, Dynamics (Mechanics), Methane, Stability
Proceedings Papers

Analysis of High-Frequency Dynamics of a Reacting Jet in Crossflow Based on Large Eddy Simulation

Philip Bonnaire, Wolfgang Polifke
Proc. ASME. GT2023, Volume 3B: Combustion, Fuels, and Emissions, V03BT04A010, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-102853
https://doi.org/10.1115/GT2023-102853
View Paper titled, Analysis of High-Frequency Dynamics of a Reacting Jet in Crossflow Based on Large Eddy Simulation
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Topics: Dynamics (Mechanics), Jets, Large eddy simulation, Acoustics, Cross-flow, Shear (Mechanics), Vortices, Combustion, Combustion chambers, Combustion systems
Proceedings Papers

Numerical Analysis of High Frequency Transverse Instabilities in a Can-Type Combustor

Sandeep Jella, Marc Füri, Vasilis Katsapis
Proc. ASME. GT2023, Volume 3B: Combustion, Fuels, and Emissions, V03BT04A036, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-103298
https://doi.org/10.1115/GT2023-103298
View Paper titled, Numerical Analysis of High Frequency Transverse Instabilities in a Can-Type Combustor
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Topics: Combustion chambers, Numerical analysis, Dynamics (Mechanics), Flames, Modeling, Shear (Mechanics), Spin (Aerodynamics), Spinning (Textile), Combustion, Curve fitting
Proceedings Papers

Compressor Tip Leakage Mechanisms

James V. Taylor, Anthony M. J. Dickens, Harry Simpson
Proc. ASME. GT2023, Volume 13A: Turbomachinery — Axial Flow Fan and Compressor Aerodynamics, V13AT29A033, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-103005
https://doi.org/10.1115/GT2023-103005
View Paper titled, Compressor Tip Leakage Mechanisms
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Topics: Compressors, Leakage, Simulation, Blades, Engineering standards, Flow (Dynamics), Geometry, Leakage flows, Modeling, Reynolds-averaged Navier–Stokes equations
Proceedings Papers

Rotor Clearance Flow Measurements Employing a Novel Miniature Sensor

Mario Eck, Dieter Peitsch
Proc. ASME. GT2023, Volume 13A: Turbomachinery — Axial Flow Fan and Compressor Aerodynamics, V13AT29A018, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-101944
https://doi.org/10.1115/GT2023-101944
View Paper titled, Rotor Clearance Flow Measurements Employing a Novel Miniature Sensor
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Topics: Clearances (Engineering), Compressors, Flow (Dynamics), Flow measurement, Rotors, Sensors, Shear (Mechanics), Vortices
Proceedings Papers

Circulation Budget Analysis of the Leading-Edge Vortex in a Wells Turbine Under Steady Inflow Conditions

Kaihe Geng, Ce Yang, Xinyu He, Chenxing Hu, Hanzhi Zhang, Xin Shi
Proc. ASME. GT2022, Volume 10B: Turbomachinery — Axial Flow Turbine Aerodynamics; Deposition, Erosion, Fouling, and Icing; Radial Turbomachinery Aerodynamics, V10BT30A014, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-81890
https://doi.org/10.1115/GT2022-81890
View Paper titled, Circulation Budget Analysis of the Leading-Edge Vortex in a Wells Turbine Under Steady Inflow Conditions
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Topics: Inflow, Turbines, Vortices, Wells, Vorticity, Stall inception, Convection, Flow (Dynamics), Rotors, Shear (Mechanics)
Proceedings Papers

Calculating Windage Losses: A Review

Fernando Karg Bulnes, Thomas Kerr, Aaron Rimpel
Proc. ASME. GT2022, Volume 10C: Turbomachinery — Design Methods and CFD Modeling for Turbomachinery; Ducts, Noise, and Component Interactions, V10CT33A016, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-82570
https://doi.org/10.1115/GT2022-82570
View Paper titled, Calculating Windage Losses: A Review
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Topics: Compressors, Density, Drag (Fluid dynamics), Fluids, High pressure (Physics), Machinery, Modeling, Reynolds number, Rotation, Rotors
Proceedings Papers

On the Mode Characteristics of Rotating Instability With Different Tip Clearances

Zeyuan Yang, Lele Ming, Si Wu, Yadong Wu, Jie Tian, Hua Ouyang
Proc. ASME. GT2022, Volume 10D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Turbomachinery General Interest; Unsteady Flows in Turbomachinery, V10DT37A013, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-82072
https://doi.org/10.1115/GT2022-82072
View Paper titled, On the Mode Characteristics of Rotating Instability With Different Tip Clearances
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Topics: Blades, Clearances (Engineering), Compressors, Design, Ducts, Flow (Dynamics), Noise (Sound), Pressure, Rotors, Shear (Mechanics)
Proceedings Papers

Vortex-Generators Reduce the Dynamic Axial Forces in the Model of a Steam Turbine Control Valve

Stefan Wallat, Christian Musch, Dieter Brillert
Proc. ASME. GT2022, Volume 2: Coal, Biomass, Hydrogen, and Alternative Fuels; Controls, Diagnostics, and Instrumentation; Steam Turbine, V002T20A007, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-80688
https://doi.org/10.1115/GT2022-80688
View Paper titled, Vortex-Generators Reduce the Dynamic Axial Forces in the Model of a Steam Turbine Control Valve
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Topics: Generators, Steam turbines, Valves, Vortices, Acoustics, Excitation, Cavities, Flow (Dynamics), Diffusers, Pressure
Proceedings Papers

The Effects of High Centrifugal Acceleration on Bluff-Body Stabilized Premixed Flames

Timothy Erdmann, Ephraim Gutmark, Andrew Caswell
Proc. ASME. GT2022, Volume 3A: Combustion, Fuels, and Emissions, V03AT04A002, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-77975
https://doi.org/10.1115/GT2022-77975
View Paper titled, The Effects of High Centrifugal Acceleration on Bluff-Body Stabilized Premixed Flames
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Topics: Flames, Ducts, Flow (Dynamics), Pressure, Reynolds number, Static stability, Wakes, Arches, Pressure measurement, Shear (Mechanics)
Proceedings Papers

Simultaneous Ultra-Small-Angle X-Ray Scattering and X-Ray Transmission Measurements of a Liquid Jet in Crossflow With Film Atomization

Brandon A. Sforzo, Jan Ilavsky, Christopher F. Powell
Proc. ASME. GT2022, Volume 3A: Combustion, Fuels, and Emissions, V03AT04A055, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-82020
https://doi.org/10.1115/GT2022-82020
View Paper titled, Simultaneous Ultra-Small-Angle X-Ray Scattering and X-Ray Transmission Measurements of a Liquid Jet in Crossflow With Film Atomization
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Topics: Electromagnetic scattering, Radiation scattering, Scattering (Physics), X-rays, Drops, Signals, Shear (Mechanics), Flow (Dynamics), Sprays, Air flow