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Proceedings Papers

Optimization of Low-Pressure Turbine Blade by Means of Fine Inspection of Loss Production Mechanisms

Matteo Russo, Andrea Carlucci, Matteo Dellacasagrande, Daniele Petronio, Davide Lengani, Daniele Simoni, Juri Bellucci, Matteo Giovannini, Angelo Alberto Granata, Monica Gily, Carlotta Manca
Proc. ASME. GT2024, Volume 12D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Radial Turbomachinery Aerodynamics; Unsteady Flows in Turbomachinery, V12DT36A023, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-128710
https://doi.org/10.1115/GT2024-128710
View Paper titled, Optimization of Low-Pressure Turbine Blade by Means of Fine Inspection of Loss Production Mechanisms
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Topics: Inspection, Large eddy simulation, Optimization, Pressure, Turbine blades, Blades, Wakes, Turbulence, Boundary layers, Energy dissipation
Proceedings Papers

NASA HECC Geometry and Performance Review Part 1: Validation of a Computational Model for the Vaneless Diffuser Configuration With As-Manufactured Impeller Geometry

Gregorio Robles Vega, Alec J. Bosshart, Michael Ni, Ron-Ho Ni, Herbert M. Harrison, Tammy Nguyen-Huynh
Proc. ASME. GT2024, Volume 12D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Radial Turbomachinery Aerodynamics; Unsteady Flows in Turbomachinery, V12DT35A011, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-125128
https://doi.org/10.1115/GT2024-125128
View Paper titled, NASA HECC Geometry and Performance Review Part 1: Validation of a Computational Model for the Vaneless Diffuser Configuration With As-Manufactured Impeller Geometry
Open the PDF for NASA HECC Geometry and Performance Review Part 1: Validation of a Computational Model for the Vaneless Diffuser Configuration With As-Manufactured Impeller Geometry in another window
Topics: Compressors, Computer simulation, Geometry, Impellers, NASA, Performance evaluation, Vaneless diffusers, Engineering simulation, Simulation, Computer-aided design
Proceedings Papers

Investigation on the Effect of Resolving Waves Motion in the Simulation of Offshore Wind Farms

Filippo De Girolamo, Alessio Castorrini, Vincenzo Morici, Lorenzo Tieghi, Franco Rispoli
Proc. ASME. GT2024, Volume 13: Heat Transfer: General Interest / Additive Manufacturing Impacts on Heat Transfer; Wind Energy, V013T37A010, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-124860
https://doi.org/10.1115/GT2024-124860
View Paper titled, Investigation on the Effect of Resolving Waves Motion in the Simulation of Offshore Wind Farms
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Topics: Ocean engineering, Simulation, Waves, Wind farms, Turbulence, Wakes, Seas, Wind, Fluctuations (Physics), Modeling
Proceedings Papers

High-Fidelity Numerical Investigation of a High Pressure Turbine Cooled Vane

Furkan Gokenis, Kagan Peneklioglu, Ozhan Oksuz, Erinc Erdem, Sinan Eyi
Proc. ASME. GT2024, Volume 13: Heat Transfer: General Interest / Additive Manufacturing Impacts on Heat Transfer; Wind Energy, V013T13A042, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-129324
https://doi.org/10.1115/GT2024-129324
View Paper titled, High-Fidelity Numerical Investigation of a High Pressure Turbine Cooled Vane
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Topics: High pressure (Physics), Turbines, Turbulence, Flow (Dynamics), Heat transfer, NASA, Wall temperature, Engines, Boundary layers, Computational fluid dynamics
Proceedings Papers

Effect of Geometry and Heat Flux on Turbine Over-Tip Flow Power Extraction

Lukas Benjamin Inhestern, Dieter Peitsch, Guillermo Paniagua
Proc. ASME. GT2024, Volume 13: Heat Transfer: General Interest / Additive Manufacturing Impacts on Heat Transfer; Wind Energy, V013T13A024, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-126598
https://doi.org/10.1115/GT2024-126598
View Paper titled, Effect of Geometry and Heat Flux on Turbine Over-Tip Flow Power Extraction
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Topics: Flow (Dynamics), Geometry, Heat flux, Heat transfer, Leakage flows, Turbines, Design, Leakage, Turbulence, Vortices
Proceedings Papers

Improving a Two-Equation Eddy-Viscosity Turbulence Model for High-Rayleigh-Number Natural-Convection Flows Using Machine Learning

Ali Haghiri, Xiaowei Xu, Richard D. Sandberg, Koichi Tanimoto, Takuo Oda
Proc. ASME. GT2024, Volume 13: Heat Transfer: General Interest / Additive Manufacturing Impacts on Heat Transfer; Wind Energy, V013T13A003, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-121161
https://doi.org/10.1115/GT2024-121161
View Paper titled, Improving a Two-Equation Eddy-Viscosity Turbulence Model for High-Rayleigh-Number Natural-Convection Flows Using Machine Learning
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Topics: Eddies (Fluid dynamics), Flow (Dynamics), Machine learning, Modeling, Natural convection, Turbulence, Viscosity
Proceedings Papers

Investigations on Effects of Inflow Turbulence on Vortex-Induced Vibrations of a Wind Turbine Airfoil With the Wake Oscillator Model

Bo Lian, Xin Tong, Xiaocheng Zhu, Zhaohui Du
Proc. ASME. GT2024, Volume 13: Heat Transfer: General Interest / Additive Manufacturing Impacts on Heat Transfer; Wind Energy, V013T37A008, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-124806
https://doi.org/10.1115/GT2024-124806
View Paper titled, Investigations on Effects of Inflow Turbulence on Vortex-Induced Vibrations of a Wind Turbine Airfoil With the Wake Oscillator Model
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Topics: Airfoils, Inflow, Turbulence, Vortex-induced vibration, Wakes, Wind turbines
Proceedings Papers

Comparative Analysis of the Effect of Two Tower Geometries on Offshore Wind Turbine Wake Aerodynamics

Albanese Simone, Valerio Francesco Barnabei, Vincenzo Morici, Alessandro Corsini, Alessio Castorrini
Proc. ASME. GT2024, Volume 13: Heat Transfer: General Interest / Additive Manufacturing Impacts on Heat Transfer; Wind Energy, V013T37A019, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-128992
https://doi.org/10.1115/GT2024-128992
View Paper titled, Comparative Analysis of the Effect of Two Tower Geometries on Offshore Wind Turbine Wake Aerodynamics
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Topics: Aerodynamics, Offshore wind turbines, Wakes, Turbines, Computational fluid dynamics, Rotors, Turbulence, Actuators, Flow (Dynamics), Ocean engineering
Proceedings Papers

Noise Reduction by Lowering the Jet Mach Number and Using Inverted Velocity Profile at Fixed Thrust and Mass Flow

Junhui Liu
Proc. ASME. GT2024, Volume 1: Aircraft Engine, V001T01A044, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-126854
https://doi.org/10.1115/GT2024-126854
View Paper titled, Noise Reduction by Lowering the Jet Mach Number and Using Inverted Velocity Profile at Fixed Thrust and Mass Flow
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Topics: Flow (Dynamics), Mach number, Noise (Sound), Noise control, Thrust, Turbulence, Jets, Computational fluid dynamics, Kinetic energy, Aerodynamic noise
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

Characterization of the Upgraded NASA GRC Single Stage Axial Compressor and Fan Facility

Julia E. Stephens, Barbara Lucci, Arman Mirhashemi
Proc. ASME. GT2024, Volume 1: Aircraft Engine, V001T01A064, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-129439
https://doi.org/10.1115/GT2024-129439
View Paper titled, Characterization of the Upgraded NASA GRC Single Stage Axial Compressor and Fan Facility
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Topics: Compressors, NASA, Pressure, Fans, Testing, Aircraft engines, Aviation, Boundary layers, Emissions, Flow (Dynamics)
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

Large Eddy Simulation of Turbulent Reacting Flow in a Pressurized Annular Combustor

Manu Kamin, Nicholas Plewacki, Rahul Koneru, Luis Bravo, Prashant Khare, Russell Powers, Kenji Miki, Frank Ham, Masayoshi Senga
Proc. ASME. GT2024, Volume 3A: Combustion, Fuels, and Emissions, V03AT04A072, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-126766
https://doi.org/10.1115/GT2024-126766
View Paper titled, Large Eddy Simulation of Turbulent Reacting Flow in a Pressurized Annular Combustor
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Topics: Combustion, Combustion chambers, Flow (Dynamics), Large eddy simulation, Sprays, Turbulence
Proceedings Papers

Turbulent Burning Velocity of High Hydrogen Flames

Hari Priya Rajagopalan, Renee Cole, David Wu, Benjamin Emerson, Timothy Lieuwen
Proc. ASME. GT2024, Volume 3A: Combustion, Fuels, and Emissions, V03AT04A004, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-121349
https://doi.org/10.1115/GT2024-121349
View Paper titled, Turbulent Burning Velocity of High Hydrogen Flames
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Topics: Combustion, Flames, Hydrogen, Methane, Turbulence
Proceedings Papers

Matching Turbulence to a Target Profile in a Flexible Combustor Simulator Design

Greg Colyer, Haidong Li, Saturnin Richard Adoua, Paul Beard, Luca di Mare
Proc. ASME. GT2024, Volume 3A: Combustion, Fuels, and Emissions, V03AT04A059, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-125726
https://doi.org/10.1115/GT2024-125726
View Paper titled, Matching Turbulence to a Target Profile in a Flexible Combustor Simulator Design
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Topics: Combustion chambers, Computational fluid dynamics, Design, Turbulence
Proceedings Papers

Numerical Investigation of Effusion Cooling Air Influence on the CO Emissions for a Single-Sector Aero-Engine Model Combustor

Sandra Recio Balmaseda, Tim Jeremy Patrick Karpowski, Hendrik Nicolai, Philipp Koob, Max Greifenstein, Andreas Dreizler, Christian Hasse
Proc. ASME. GT2024, Volume 3A: Combustion, Fuels, and Emissions, V03AT04A038, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-124048
https://doi.org/10.1115/GT2024-124048
View Paper titled, Numerical Investigation of Effusion Cooling Air Influence on the CO Emissions for a Single-Sector Aero-Engine Model Combustor
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Topics: Aircraft engines, Combustion chambers, Cooling, Emissions, Flames, Computational fluid dynamics, Exhaust gas recirculation, Simulation, Air pollution control, Aviation
Proceedings Papers

A Numerical Study of Emission Characteristics in Bluff Body Stabilized Turbulent Premixed Methane-Air Flames in Confined Environments

Anant Girdhar, Sriram P. Kalathoor, Jechiel Jagoda, Lakshmi N. Sankar
Proc. ASME. GT2024, Volume 3A: Combustion, Fuels, and Emissions, V03AT04A075, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-126815
https://doi.org/10.1115/GT2024-126815
View Paper titled, A Numerical Study of Emission Characteristics in Bluff Body Stabilized Turbulent Premixed Methane-Air Flames in Confined Environments
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Topics: Emissions, Flames, Methane, Turbulence, Combustion chambers, Flow (Dynamics), Dynamics (Mechanics), Fuels, Engineering simulation, Filters
Proceedings Papers

The Onset of Hydrodynamic Instability in Dual Orifice Atomizers

Hıdır Yankı Kılıçgedik
Proc. ASME. GT2024, Volume 3A: Combustion, Fuels, and Emissions, V03AT04A055, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-125255
https://doi.org/10.1115/GT2024-125255
View Paper titled, The Onset of Hydrodynamic Instability in Dual Orifice Atomizers
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Topics: Deformation, Ejectors, Flow (Dynamics), Flow instability, Hydrodynamic stability, Large eddy simulation, Mathematical analysis, Nozzles, Pressure, Reynolds-averaged Navier–Stokes equations
Proceedings Papers

Development of a Virtual Chemistry Reaction Mechanism for H2/CH4 Turbulent Combustion Modelling

Simone Castellani, Antonio Andreini, Roberto Meloni
Proc. ASME. GT2024, Volume 3A: Combustion, Fuels, and Emissions, V03AT04A042, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-124328
https://doi.org/10.1115/GT2024-124328
View Paper titled, Development of a Virtual Chemistry Reaction Mechanism for H2/CH4 Turbulent Combustion Modelling
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Topics: Chemistry, Combustion, Methane, Modeling, Turbulence, Flames, Calibration, Diffusion (Physics), Fossil fuels, Fuels
Proceedings Papers

Schlieren Image Velocimetry and Modal Decomposition Study of Preheated Isothermal Flow From a Generic Multi-Swirl Burner

Neha Vishnoi, Aditya Saurabh, Lipika Kabiraj
Proc. ASME. GT2024, Volume 3A: Combustion, Fuels, and Emissions, V03AT04A078, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-127060
https://doi.org/10.1115/GT2024-127060
View Paper titled, Schlieren Image Velocimetry and Modal Decomposition Study of Preheated Isothermal Flow From a Generic Multi-Swirl Burner
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Topics: Flow (Dynamics), Excitation, Acoustics, Jets, Principal component analysis, Swirling flow, Turbulence, Vortices