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Proceedings Papers

Predicting NOx Emissions of a Lean Hydrogen Flame Using High and Low Order CFD Models

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Matteo Amerighi, Antonio Andreini, Stefano Orsino, Ishan Verma, Rakesh Yadav, Thoralf Reichel, Tom Tanneberger, Oliver Paschereit
Proc. ASME. GT2024, Volume 3B: Combustion, Fuels, and Emissions, V03BT04A057, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-128988
https://doi.org/10.1115/GT2024-128988
View Paper titled, Predicting NOx Emissions of a Lean Hydrogen Flame Using High and Low Order CFD Models
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Topics: Computational fluid dynamics, Emissions, Flames, Hydrogen, Nitrogen oxides, Simulation, Chemistry, Combustion, Reynolds-averaged Navier–Stokes equations, Combustion chambers
Proceedings Papers

Impact of Steady-State and Mixing Plane Assumptions: An Application to an Industrial Two-Stage High-Pressure Turbine

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Lorenzo Mazzei, Niccolò Casini, Riccardo Da Soghe, Vittorio Michelassi, Alessandro Ciani, Tomasz Jurek, Luca Andrei
Proc. ASME. GT2024, Volume 12B: Turbomachinery — Axial Flow Turbine Aerodynamics; Deposition, Erosion, Fouling, and Icing, V12BT30A046, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-129052
https://doi.org/10.1115/GT2024-129052
View Paper titled, Impact of Steady-State and Mixing Plane Assumptions: An Application to an Industrial Two-Stage High-Pressure Turbine
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Topics: Aerodynamics, Computational fluid dynamics, Gas turbines, High pressure (Physics), Steady state, Turbines, Design, Cavities, Cooling, Flow (Dynamics)
Proceedings Papers

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

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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
Open the PDF for High-Fidelity Numerical Investigation of a High Pressure Turbine Cooled Vane in another window
Topics: High pressure (Physics), Turbines, Turbulence, Flow (Dynamics), Heat transfer, NASA, Wall temperature, Engines, Boundary layers, Computational fluid dynamics
Proceedings Papers

Large Eddy Simulation of Hydrogen Flame Stabilization in a Reheat Gas Turbine Combustor

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Ethan Cartwright, Chao Xu
Proc. ASME. GT2023, Volume 3B: Combustion, Fuels, and Emissions, V03BT04A062, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-103942
https://doi.org/10.1115/GT2023-103942
View Paper titled, Large Eddy Simulation of Hydrogen Flame Stabilization in a Reheat Gas Turbine Combustor
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Topics: Combustion chambers, Flames, Gas turbines, Hydrogen, Large eddy simulation, Fuels, Heat transfer, Chemistry, Computer simulation, Design
Proceedings Papers

An Experimental Investigation of Sweeping Air/Mist Jet Film Cooling Through a Row of Passive Fluidic Oscillators

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Ramy Abdelmaksoud, Ting Wang
Proc. ASME. GT2023, Volume 7A: Heat Transfer — Combustors; Film Cooling, V07AT12A002, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-100427
https://doi.org/10.1115/GT2023-100427
View Paper titled, An Experimental Investigation of Sweeping Air/Mist Jet Film Cooling Through a Row of Passive Fluidic Oscillators
Open the PDF for An Experimental Investigation of Sweeping Air/Mist Jet Film Cooling Through a Row of Passive Fluidic Oscillators in another window
Topics: Cooling, Film cooling, Gas turbines, Drops, Jets, Water, Additive manufacturing, Airfoils, Flow (Dynamics), Heat transfer
Proceedings Papers

Understanding Thermal Unsteadiness in Engine Representative Flows and Improved Methodologies for Derived Heat Transfer Calculations Using Thin-Film Gauges

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Deepanshu Singh, Paul F. Beard, David Cardwell, Kam S. Chana
Proc. ASME. GT2023, Volume 13B: Turbomachinery — Axial Flow Turbine Aerodynamics, V13BT30A006, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-101625
https://doi.org/10.1115/GT2023-101625
View Paper titled, Understanding Thermal Unsteadiness in Engine Representative Flows and Improved Methodologies for Derived Heat Transfer Calculations Using Thin-Film Gauges
Open the PDF for Understanding Thermal Unsteadiness in Engine Representative Flows and Improved Methodologies for Derived Heat Transfer Calculations Using Thin-Film Gauges in another window
Topics: Engines, Flow (Dynamics), Gages, Heat transfer, Thin films, Temperature profiles, Nozzle guide vanes, Temperature, Combustion chambers, Heat transfer coefficients
Proceedings Papers

A Superposition Technique for Predicting Overall Effectiveness With Multiple Sources of Individually Characterized Internal and External Coolant Flows

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Matthew N. Fuqua, James L. Rutledge
Proc. ASME. GT2023, Volume 7B: Heat Transfer — General Interest/Additive Manufacturing Impacts on Heat Transfer; Internal Air Systems; Internal Cooling, V07BT13A009, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-102233
https://doi.org/10.1115/GT2023-102233
View Paper titled, A Superposition Technique for Predicting Overall Effectiveness With Multiple Sources of Individually Characterized Internal and External Coolant Flows
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Topics: Coolants, Flow (Dynamics), Cooling, Film cooling, Temperature, Turbine components, Wall temperature, Design, Gas turbines, High temperature
Proceedings Papers

Temperature Measurement of Model Gas Turbine Combustor Using a Multi-Wavelength Pyrometry in Visible and Near Infrared Spectrum

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Rifat Haidar, Jong Guen Lee
Proc. ASME. GT2023, Volume 7A: Heat Transfer — Combustors; Film Cooling, V07AT11A009, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-104083
https://doi.org/10.1115/GT2023-104083
View Paper titled, Temperature Measurement of Model Gas Turbine Combustor Using a Multi-Wavelength Pyrometry in Visible and Near Infrared Spectrum
Open the PDF for Temperature Measurement of Model Gas Turbine Combustor Using a Multi-Wavelength Pyrometry in Visible and Near Infrared Spectrum in another window
Topics: Combustion chambers, Gas turbines, Infrared spectra, Temperature measurement, Wall temperature, Wavelength
Proceedings Papers

Low Mach Preconditioning for Turbomachinery Flow Simulations With Cavities and Variable Gas Compositions

Open Access

Pierre Sivel, Christian Frey, Edmund Kügeler, Markus Keil
Proc. ASME. GT2022, Volume 10C: Turbomachinery — Design Methods and CFD Modeling for Turbomachinery; Ducts, Noise, and Component Interactions, V10CT32A005, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-79369
https://doi.org/10.1115/GT2022-79369
View Paper titled, Low Mach Preconditioning for Turbomachinery Flow Simulations With Cavities and Variable Gas Compositions
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Topics: Cavities, Flow simulation, Turbomachinery, Fluids, Computation, Exhaust systems, Gases, Computer simulation, Density, Inflow
Proceedings Papers

Stress Blended Eddy Simulations for Hydrogen-Air Rotating Detonation Engine With Wall Heat Transfer

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Hossam A. Elasrag, Timothy Gallagher, Brent A. Rankin, S. Alexander Schumaker
Proc. ASME. GT2022, Volume 3A: Combustion, Fuels, and Emissions, V03AT04A033, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-81152
https://doi.org/10.1115/GT2022-81152
View Paper titled, Stress Blended Eddy Simulations for Hydrogen-Air Rotating Detonation Engine With Wall Heat Transfer
Open the PDF for Stress Blended Eddy Simulations for Hydrogen-Air Rotating Detonation Engine With Wall Heat Transfer in another window
Topics: Eddies (Fluid dynamics), Engineering simulation, Engines, Explosions, Heat transfer, Hydrogen, Simulation, Stress, Waves, Heat
Proceedings Papers

Experimental Investigation of a High-Speed Turbine With Rainbow Rotor and Rim Seal Purge Flow

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Bogdan Cernat, Jorge Pinho, Mizuki Okada, Sergio Lavagnoli
Proc. ASME. GT2022, Volume 6B: Heat Transfer — General Interest/Additive Manufacturing Impacts on Heat Transfer; Internal Air Systems; Internal Cooling, V06BT14A015, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-83129
https://doi.org/10.1115/GT2022-83129
View Paper titled, Experimental Investigation of a High-Speed Turbine With Rainbow Rotor and Rim Seal Purge Flow
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Topics: Flow (Dynamics), Rotors, Turbines, Pressure, Computation, Heat flux, Heat transfer, Reynolds-averaged Navier–Stokes equations, Temperature, Boundary-value problems
Proceedings Papers

Heat Transfer Coefficient and Adiabatic Wall Temperature Measurements on a High-Pressure Turbine Nozzle Guide Vanes With Representative Inlet Swirl and Temperature Distortions

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T. Bacci, A. Picchi, G. Babazzi, B. Facchini, S. Cubeda
Proc. ASME. GT2022, Volume 6B: Heat Transfer — General Interest/Additive Manufacturing Impacts on Heat Transfer; Internal Air Systems; Internal Cooling, V06BT13A007, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-81263
https://doi.org/10.1115/GT2022-81263
View Paper titled, Heat Transfer Coefficient and Adiabatic Wall Temperature Measurements on a High-Pressure Turbine Nozzle Guide Vanes With Representative Inlet Swirl and Temperature Distortions
Open the PDF for Heat Transfer Coefficient and Adiabatic Wall Temperature Measurements on a High-Pressure Turbine Nozzle Guide Vanes With Representative Inlet Swirl and Temperature Distortions in another window
Topics: Heat transfer coefficients, High pressure (Physics), Nozzle guide vanes, Temperature, Turbines, Wall temperature, Cascades (Fluid dynamics), Combustion chambers, Turbulence, Accounting
Proceedings Papers

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

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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
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-83810
https://doi.org/10.1115/GT2022-83810
View Paper titled, Numerical Investigation of the Local Thermo-Chemical State in a Thermo-Acoustically Unstable Dual Swirl Gas Turbine Model Combustor
Open the PDF for Numerical Investigation of the Local Thermo-Chemical State in a Thermo-Acoustically Unstable Dual Swirl Gas Turbine Model Combustor in another window
Topics: Acoustics, Combustion chambers, Gas turbines, Flames, Oscillations, Cycles, Delays, Enthalpy, Heat losses, Accounting
Proceedings Papers

Heat Transfer Coefficient and Adiabatic Effectiveness on a Film-Cooled Pressure Side: Results and Assessment of the IR-Based Measurement Technique Reliability

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T. Bacci, A. Picchi, S. Galeotti, B. Facchini, S. Cubeda
Proc. ASME. GT2022, Volume 6A: Heat Transfer — Combustors; Film Cooling, V06AT12A012, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-81161
https://doi.org/10.1115/GT2022-81161
View Paper titled, Heat Transfer Coefficient and Adiabatic Effectiveness on a Film-Cooled Pressure Side: Results and Assessment of the IR-Based Measurement Technique Reliability
Open the PDF for Heat Transfer Coefficient and Adiabatic Effectiveness on a Film-Cooled Pressure Side: Results and Assessment of the IR-Based Measurement Technique Reliability in another window
Topics: Heat transfer coefficients, Pressure, Reliability, Film cooling, Nozzle guide vanes, Uncertainty, Cooling systems, Design, Dimensions, Engines
Proceedings Papers

Experimental Investigation of Flame-Film Cooling Interactions With an Academic Test Rig and Optical Laser Diagnostics

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Sylvain Petit, Benjamin Quevreux, Romain Morin, Romain Guillot, Frédéric Grisch, Pradip Xavier
Proc. ASME. GT2022, Volume 6A: Heat Transfer — Combustors; Film Cooling, V06AT11A008, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-83803
https://doi.org/10.1115/GT2022-83803
View Paper titled, Experimental Investigation of Flame-Film Cooling Interactions With an Academic Test Rig and Optical Laser Diagnostics
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Topics: Cooling, Flames, Lasers, Aviation, Carbon, Chemiluminescence, Durability, Fluorescence, Inflow, Laser Doppler anemometry
Proceedings Papers

Experimental Study of Film Cooling With Favorable and Adverse Pressure Gradients

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Ralph J. Volino, Matthew C. Gillcrist
Proc. ASME. GT2022, Volume 6A: Heat Transfer — Combustors; Film Cooling, V06AT12A001, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-78240
https://doi.org/10.1115/GT2022-78240
View Paper titled, Experimental Study of Film Cooling With Favorable and Adverse Pressure Gradients
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Topics: Film cooling, Pressure gradient, Flow (Dynamics), Boundary layers, Heat transfer, Heat transfer coefficients, Jets, Particulate matter, Probes, Temperature profiles
Proceedings Papers

Erratum: “A Simple Method for the Prediction of Wall Temperatures in Gas Turbines” [ASME 1978 International Gas Turbine Conference and Products Show, Volume 1A: General, London, England, April 9–13, 1978, Conference Sponsors: International Gas Turbine Institute, ISBN: 978-0-7918-7971-9, Copyright © 1978 by ASME. Paper No. 78-GT-90, V01AT01A090; 13 pages; doi: 10.1115/78-GT-90]

Free

D. Kretschmer, J. Odgers
Proc. ASME. GT1978, Volume 1A: General, V01AT01A090e, April 9–13, 1978
Publisher: American Society of Mechanical Engineers
Paper No: 78-GT-90e
https://doi.org/10.1115/78-GT-90e
View Paper titled, Erratum: “A Simple Method for the Prediction of Wall Temperatures in Gas Turbines” [ASME 1978 International Gas Turbine Conference and Products Show, Volume 1A: General, London, England, April 9–13, 1978, Conference Sponsors: International Gas Turbine Institute, ISBN: 978-0-7918-7971-9, Copyright © 1978 by ASME. Paper No. 78-GT-90, V01AT01A090; 13 pages; doi: 10.1115/78-GT-90]
Open the PDF for Erratum: “A Simple Method for the Prediction of Wall Temperatures in Gas Turbines” [ASME 1978 International Gas Turbine Conference and Products Show, Volume 1A: General, London, England, April 9–13, 1978, Conference Sponsors: International Gas Turbine Institute, ISBN: 978-0-7918-7971-9, Copyright © 1978 by ASME. Paper No. 78-GT-90, V01AT01A090; 13 pages; doi: 10.1115/78-GT-90] in another window
Topics: Gas turbines, International Gas Turbine Institute, Wall temperature
Proceedings Papers

Reducing Uncertainty in the Onset of Combustion Instabilities Using Dynamic Pressure Information and Bayesian Neural Networks

Open Access

Michael McCartney, Ushnish Sengupta, Matthew Juniper
Proc. ASME. GT2021, Volume 3B: Combustion, Fuels, and Emissions, V03BT04A042, June 7–11, 2021
Publisher: American Society of Mechanical Engineers
Paper No: GT2021-60283
https://doi.org/10.1115/GT2021-60283
View Paper titled, Reducing Uncertainty in the Onset of Combustion Instabilities Using Dynamic Pressure Information and Bayesian Neural Networks
Open the PDF for Reducing Uncertainty in the Onset of Combustion Instabilities Using Dynamic Pressure Information and Bayesian Neural Networks in another window
Topics: Artificial neural networks, Combustion, Pressure, Uncertainty, Hidden variables, Combustion chambers, Combustion systems, Emissions, Errors, Wall temperature
Proceedings Papers

Reconstruction of Temperature Distribution for a Turbulent Free Jet Using Background Oriented Schlieren

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Benjamin H. Wahls, Kishore Ranganath Ramakrishnan, Srinath Ekkad
Proc. ASME. GT2021, Volume 4: Controls, Diagnostics, and Instrumentation; Cycle Innovations; Cycle Innovations: Energy Storage; Education; Electric Power, V004T05A011, June 7–11, 2021
Publisher: American Society of Mechanical Engineers
Paper No: GT2021-59690
https://doi.org/10.1115/GT2021-59690
View Paper titled, Reconstruction of Temperature Distribution for a Turbulent Free Jet Using Background Oriented Schlieren
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Topics: Temperature distribution, Turbulence, Nozzles, Temperature, Algorithms, Chemically reactive flow, Displacement, Flow (Dynamics), Steady state, Thermocouples
Proceedings Papers

A New Experimental Approach for Heat Transfer Coefficient and Adiabatic Wall Temperature Measurements on a Nozzle Guide Vane With Inlet Temperature Distortions

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T. Bacci, A. Picchi, B. Facchini, S. Cubeda
Proc. ASME. GT2021, Volume 5B: Heat Transfer — General Interest; Internal Air Systems; Internal Cooling, V05BT13A008, June 7–11, 2021
Publisher: American Society of Mechanical Engineers
Paper No: GT2021-59304
https://doi.org/10.1115/GT2021-59304
View Paper titled, A New Experimental Approach for Heat Transfer Coefficient and Adiabatic Wall Temperature Measurements on a Nozzle Guide Vane With Inlet Temperature Distortions
Open the PDF for A New Experimental Approach for Heat Transfer Coefficient and Adiabatic Wall Temperature Measurements on a Nozzle Guide Vane With Inlet Temperature Distortions in another window
Topics: Heat transfer coefficients, Nozzle guide vanes, Temperature, Wall temperature, Turbines, Combustion chambers, Gas turbines, Transients (Dynamics), Accounting, Cascades (Fluid dynamics)