Volume 146 Issue 6 | J. Eng. Gas Turbines Power

Research Papers

Fluid Dynamic Behavior of Conventional and Pressure Relieving Brush Seals

Joshua P. Bowen, Joshua J. Bird, Harry Cross, Matthew R. Jenkins, Aaron A. Bowsher, Peter F. Crudgington, Carl M. Sangan, James A. Scobie

J. Eng. Gas Turbines Power. June 2024, 146(6): 061001. doi: https://doi.org/10.1115/1.4063775

Abstract

View articletitled, Fluid Dynamic Behavior of Conventional and Pressure Relieving Brush Seals

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Topics: Pressure , Leakage , Test facilities

Insights Into the Flow Field and Performance of a Boundary Layer Pump

David John Rajendran, Kyril Palaveev, Eduardo Anselmi, Mani Santhanakrishnan, Vassilios Pachidis

J. Eng. Gas Turbines Power. June 2024, 146(6): 061002. doi: https://doi.org/10.1115/1.4063834

Abstract

View articletitled, Insights Into the Flow Field and Performance of a Boundary Layer Pump

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Topics: Boundary layers , Disks , Entropy , Flow (Dynamics) , Pressure , Pumps , Rotors , Design

Nondestructive Inspection of Hot Corrosion Damage on Internal Surfaces of Turbine Blades

Justin Kuipers, Kevin Wiens

J. Eng. Gas Turbines Power. June 2024, 146(6): 061003. doi: https://doi.org/10.1115/1.4063770

Abstract

View articletitled, Nondestructive Inspection of Hot Corrosion Damage on Internal Surfaces of Turbine Blades

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Topics: Blades , Computerized tomography , Corrosion , Damage , Nondestructive evaluation , Permeability , Maintenance

Investigation of Fuel and Load Flexibility of an Atmospheric Single Nozzle Jet-Stabilized FLOX^® Combustor With Hydrogen/Methane-Air Mixtures

Niklas Petry, Manu Mannazhi, Zhiyao Yin, Oliver Lammel, Klaus Peter Geigle, Andreas Huber

J. Eng. Gas Turbines Power. June 2024, 146(6): 061004. doi: https://doi.org/10.1115/1.4063782

Abstract

View articletitled, Investigation of Fuel and Load Flexibility of an Atmospheric Single Nozzle Jet-Stabilized FLOX® Combustor With Hydrogen/Methane-Air Mixtures

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Topics: Combustion chambers , Flames , Flow (Dynamics) , Fuels , Hydrogen , Methane , Nozzles , Shapes , Stress , Combustion

Experimental Investigation on Microsecond Pulsed Plasma Supported Biogas Combustion

Ahlem Ghabi, Toufik Boushaki, Pablo Escot Bocanegra, Eric Robert

J. Eng. Gas Turbines Power. June 2024, 146(6): 061005. doi: https://doi.org/10.1115/1.4063771

Abstract

View articletitled, Experimental Investigation on Microsecond Pulsed Plasma Supported Biogas Combustion

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Topics: Biogas , Carbon dioxide , Combustion , Flames , Plasmas (Ionized gases) , Fuels , Emissions , Chemiluminescence

Influence of Variable Swirl on Emissions in a Non-Premixed Fuel-Flexible Burner at Elevated Ambient Conditions

Daniel Pugh, Phil Bowen, Rukshan Navaratne, Burak Goktepe, Anthony Giles, Agustin Valera Medina, Steven Morris, Robin Vivoli

J. Eng. Gas Turbines Power. June 2024, 146(6): 061006. doi: https://doi.org/10.1115/1.4063786

Abstract

View articletitled, Influence of Variable Swirl on Emissions in a Non-Premixed Fuel-Flexible Burner at Elevated Ambient Conditions

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Topics: Chemiluminescence , Combustion chambers , Emissions , Flames , Fuels , Methane , Pressure , Temperature , Flow (Dynamics)

Scaling of Lean Aeronautical Gas Turbine Combustors

Simon Gövert, Pascal Gruhlke, Thomas Behrendt, Bertram Janus

J. Eng. Gas Turbines Power. June 2024, 146(6): 061007. doi: https://doi.org/10.1115/1.4063776

Abstract

View articletitled, Scaling of Lean Aeronautical Gas Turbine Combustors

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Topics: Combustion chambers , Flow (Dynamics) , Geometry , Simulation , Pressure , Gas turbines

Identification of Dynamic Force Coefficients for an Additively Manufactured Hermetic Squeeze Film Bearing Support Damper Utilizing a Pass-Through Channel

Bugra Ertas, Keith Gary, Tom Adcock

J. Eng. Gas Turbines Power. June 2024, 146(6): 061008. doi: https://doi.org/10.1115/1.4063781

Abstract

View articletitled, Identification of Dynamic Force Coefficients for an Additively Manufactured Hermetic Squeeze Film Bearing Support Damper Utilizing a Pass-Through Channel

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Topics: Bearings , Dampers , Damping , Design , Fluid structure interaction , Secondary cells , Stiffness , Additive manufacturing , Flow (Dynamics) , Vibration

Spatially Resolved Modeling of the Nonlinear Dynamics of a Laminar Premixed Flame With a Multilayer Perceptron—Convolution Autoencoder Network

Marcin Rywik, Axel Zimmermann, Alexander J. Eder, Edoardo Scoletta, Wolfgang Polifke

J. Eng. Gas Turbines Power. June 2024, 146(6): 061009. doi: https://doi.org/10.1115/1.4063788

Abstract

View articletitled, Spatially Resolved Modeling of the Nonlinear Dynamics of a Laminar Premixed Flame With a Multilayer Perceptron—Convolution Autoencoder Network

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Topics: Computer-aided engineering , Flames , Modeling , Multilayer perceptron , Signals , Heat , Shapes , Artificial neural networks , Dynamics (Mechanics)

Ignition Delay Times and Chemical Kinetic Model Validation for Hydrogen and Ammonia Blending With Natural Gas at Gas Turbine Relevant Conditions

Michael Pierro, Justin J. Urso, Ramees K. Rahman, Christopher W. Dennis, Marley A. Albright, Jonathan McGaunn, Cory Kinney, Subith S. Vasu

J. Eng. Gas Turbines Power. June 2024, 146(6): 061010. doi: https://doi.org/10.1115/1.4063789

Abstract

View articletitled, Ignition Delay Times and Chemical Kinetic Model Validation for Hydrogen and Ammonia Blending With Natural Gas at Gas Turbine Relevant Conditions

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Topics: Fuels , Gas turbines , Hydrogen , Ignition , Ignition delay , Model validation , Natural gas , Sensitivity analysis , Shock tubes , Temperature

Development of an Artificial Intelligence Model to Predict Combustion Properties, With a Focus on Auto-Ignition Delay

Roda Bounaceur, Romain Heymes, Pierre-Alexandre Glaude, Baptiste Sirjean, René Fournet, Pierre Montagne, Alexandre Auvray, Eric Impellizzeri, Pierre Biehler, Alexandre Picard, Bastien Prieur-Garrouste, Michel Molière

J. Eng. Gas Turbines Power. June 2024, 146(6): 061011. doi: https://doi.org/10.1115/1.4063774

Abstract

View articletitled, Development of an Artificial Intelligence Model to Predict Combustion Properties, With a Focus on Auto-Ignition Delay

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Topics: Algorithms , Artificial intelligence , Artificial neural networks , Combustion , Delays , Ignition , Ignition delay , Natural gas , Pressure , Robustness

Role of the Equivalence Ratio on Soot Formation in a Perfectly Premixed Turbulent Swirled Flame: A Combined Experimental and Large Eddy Simulations Study

Aurora Maffina, Mathieu Roussillo, Philippe Scouflaire, Nasser Darabiha, Denis Veynante, Sebastien Candel, Benedetta Franzelli

J. Eng. Gas Turbines Power. June 2024, 146(6): 061012. doi: https://doi.org/10.1115/1.4063832

Abstract

View articletitled, Role of the Equivalence Ratio on Soot Formation in a Perfectly Premixed Turbulent Swirled Flame: A Combined Experimental and Large Eddy Simulations Study

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Topics: Flames , Soot , Turbulence , Large eddy simulation

Aeroacoustic Effects on the Forcing of Fan and Compressor Blades Due to Distortion

Hans Mårtensson, Mattias Billson

J. Eng. Gas Turbines Power. June 2024, 146(6): 061013. doi: https://doi.org/10.1115/1.4063867

Abstract

View articletitled, Aeroacoustic Effects on the Forcing of Fan and Compressor Blades Due to Distortion

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Topics: Blades , Cascades (Fluid dynamics) , Flow (Dynamics) , Pressure , Resonance , Waves , Mach number , Flat plates , Computational fluid dynamics , Acoustics

Quantitative Definition of Spray Edge With Extinction Diagnostics and Evaluation of Attenuation Coefficient for Liquid Jets in Supersonic Crossflow

Aubrey J. McKelvy, James Braun, Guillermo Paniagua, Thierry Andre, Etienne Choquet, Francois Falempin

J. Eng. Gas Turbines Power. June 2024, 146(6): 061014. doi: https://doi.org/10.1115/1.4063887

Abstract

View articletitled, Quantitative Definition of Spray Edge With Extinction Diagnostics and Evaluation of Attenuation Coefficient for Liquid Jets in Supersonic Crossflow

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Topics: Ejectors , Sprays

Mechanisms Leading to Stabilization and Incomplete Combustion in Lean CH₄/H₂ Swirling Wall-Impinging Flames

Luming Fan, Bruno Savard, Benoît Fond, Antoine Durocher, Jeffrey Bergthorson, Spencer Carlyle, Patrizio Vena

J. Eng. Gas Turbines Power. June 2024, 146(6): 061015. doi: https://doi.org/10.1115/1.4063833

Abstract

View articletitled, Mechanisms Leading to Stabilization and Incomplete Combustion in Lean CH4/H2 Swirling Wall-Impinging Flames

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Topics: Flames , Methane , Combustion

Robust Tip Gap Measurements: A Universal In-Situ Dynamic Calibration and Demonstration in a Two-Stage High-Speed Turbine

Antonio Castillo Sauca, Guillermo Paniagua

J. Eng. Gas Turbines Power. June 2024, 146(6): 061016. doi: https://doi.org/10.1115/1.4063886

Abstract

View articletitled, Robust Tip Gap Measurements: A Universal In-Situ Dynamic Calibration and Demonstration in a Two-Stage High-Speed Turbine

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Topics: Blades , Calibration , Capacitance , Clearances (Engineering) , Probes , Signals , Heat flux , Turbines , Pressure

Optimization of a High Pressure Turbine Blade and Sector-Based Annular Rig Design for Supercritical CO₂ Power Cycle Representative Testing

Logan Tuite, James Braun, Guillermo Paniagua

J. Eng. Gas Turbines Power. June 2024, 146(6): 061017. doi: https://doi.org/10.1115/1.4063956

Abstract

View articletitled, Optimization of a High Pressure Turbine Blade and Sector-Based Annular Rig Design for Supercritical CO2 Power Cycle Representative Testing

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Topics: Blades , Design , Optimization , Supercritical carbon dioxide , Flow (Dynamics) , Testing , Pressure , High pressure (Physics)

Leveraging Additive Manufacturing to Fabricate High Temperature Alloys With Co-Designed Mechanical Properties and Environmental Resistance

R. Pillai, Q.Q. Ren, Yi-Feng Su, Rebecca Kurfess, Thomas Feldhausen, Soumya Nag

J. Eng. Gas Turbines Power. June 2024, 146(6): 061018. doi: https://doi.org/10.1115/1.4063784

Abstract

View articletitled, Leveraging Additive Manufacturing to Fabricate High Temperature Alloys With Co-Designed Mechanical Properties and Environmental Resistance

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Topics: Additive manufacturing , Alloys , Corrosion , Diffusion (Physics) , High temperature , Mechanical testing , Modeling , Mechanical properties

Numerical Modeling of Swirl Stabilized Lean-Premixed H₂–CH₄ Flames With the Artificially Thickened Flame Model

S. Castellani, P. C. Nassini, A. Andreini, R. Meloni, E. Pucci, A. Valera-Medina, S. Morris, B. Goktepe, S. Mashruk

J. Eng. Gas Turbines Power. June 2024, 146(6): 061019. doi: https://doi.org/10.1115/1.4063829

Abstract

View articletitled, Numerical Modeling of Swirl Stabilized Lean-Premixed H2–CH4 Flames With the Artificially Thickened Flame Model

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Topics: Flames , Turbulence , Computer simulation , Methane

Performance, Emissions, and Decarbonization of an Industrial Gas Turbine Operated With Hydrotreated Vegetable Oil

Jon Runyon, Stuart James, Tanmay Kadam, Barak Ofir, David Graham

J. Eng. Gas Turbines Power. June 2024, 146(6): 061020. doi: https://doi.org/10.1115/1.4063787

Abstract

View articletitled, Performance, Emissions, and Decarbonization of an Industrial Gas Turbine Operated With Hydrotreated Vegetable Oil

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Topics: Emissions , Fuels , Stress , Nitrogen oxides

Effect of Inert Species on the Static and Dynamic Stability of a Piloted, Swirl-Stabilized Flame

Javier Rodriguez Camacho, Michel Akiki, James Blust, Jacqueline O'Connor

J. Eng. Gas Turbines Power. June 2024, 146(6): 061021. doi: https://doi.org/10.1115/1.4064048

Abstract

View articletitled, Effect of Inert Species on the Static and Dynamic Stability of a Piloted, Swirl-Stabilized Flame

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Topics: Combustion chambers , Flames , Oscillations

Advanced Modeling of Flow and Heat Transfer in Rotating Disk Cavities Using Open-Source Computational Fluid Dynamics

Ruonan Wang, Feng Gao, John W. Chew, Olaf Marxen, Zixiang Sun

J. Eng. Gas Turbines Power. June 2024, 146(6): 061022. doi: https://doi.org/10.1115/1.4063989

Abstract

View articletitled, Advanced Modeling of Flow and Heat Transfer in Rotating Disk Cavities Using Open-Source Computational Fluid Dynamics

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Topics: Cavities , Disks , Flow (Dynamics) , Heat transfer , Temperature , Computational fluid dynamics

Reducing Methane Emissions From Lean Burn Natural Gas Engines With Prechamber Ignited Mixing-Controlled Combustion

Osama Nsaif, Sage Kokjohn, Randy Hessel, Adam Dempsey

J. Eng. Gas Turbines Power. June 2024, 146(6): 061023. doi: https://doi.org/10.1115/1.4064454

Abstracts

View articletitled, Reducing Methane Emissions From Lean Burn Natural Gas Engines With Prechamber Ignited Mixing-Controlled Combustion

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Topics: Combustion , Computational fluid dynamics , Emissions , Engines , Fuels , Ignition , Methane , Modeling , Natural gas , Nozzles

Investigating the Mixture Quality in Multi-Injector Burner Systems, Part II: Model Application

Fabian Marquez Macias, Christoph Hirsch, Thomas Sattelmayer, Michael Huth, Jürgen Meisl

J. Eng. Gas Turbines Power. June 2024, 146(6): 061024. doi: https://doi.org/10.1115/1.4063589

Abstract

View articletitled, Investigating the Mixture Quality in Multi-Injector Burner Systems, Part II: Model Application

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Topics: Ejectors , Flow (Dynamics) , Inflow , Probability , Momentum , Pressure

Research Papers

Fluid Dynamic Behavior of Conventional and Pressure Relieving Brush Seals

Insights Into the Flow Field and Performance of a Boundary Layer Pump

Nondestructive Inspection of Hot Corrosion Damage on Internal Surfaces of Turbine Blades

Investigation of Fuel and Load Flexibility of an Atmospheric Single Nozzle Jet-Stabilized FLOX^® Combustor With Hydrogen/Methane-Air Mixtures

Experimental Investigation on Microsecond Pulsed Plasma Supported Biogas Combustion

Influence of Variable Swirl on Emissions in a Non-Premixed Fuel-Flexible Burner at Elevated Ambient Conditions

Scaling of Lean Aeronautical Gas Turbine Combustors

Identification of Dynamic Force Coefficients for an Additively Manufactured Hermetic Squeeze Film Bearing Support Damper Utilizing a Pass-Through Channel

Spatially Resolved Modeling of the Nonlinear Dynamics of a Laminar Premixed Flame With a Multilayer Perceptron—Convolution Autoencoder Network

Ignition Delay Times and Chemical Kinetic Model Validation for Hydrogen and Ammonia Blending With Natural Gas at Gas Turbine Relevant Conditions

Development of an Artificial Intelligence Model to Predict Combustion Properties, With a Focus on Auto-Ignition Delay

Role of the Equivalence Ratio on Soot Formation in a Perfectly Premixed Turbulent Swirled Flame: A Combined Experimental and Large Eddy Simulations Study

Aeroacoustic Effects on the Forcing of Fan and Compressor Blades Due to Distortion

Quantitative Definition of Spray Edge With Extinction Diagnostics and Evaluation of Attenuation Coefficient for Liquid Jets in Supersonic Crossflow

Mechanisms Leading to Stabilization and Incomplete Combustion in Lean CH₄/H₂ Swirling Wall-Impinging Flames

Robust Tip Gap Measurements: A Universal In-Situ Dynamic Calibration and Demonstration in a Two-Stage High-Speed Turbine

Optimization of a High Pressure Turbine Blade and Sector-Based Annular Rig Design for Supercritical CO₂ Power Cycle Representative Testing

Leveraging Additive Manufacturing to Fabricate High Temperature Alloys With Co-Designed Mechanical Properties and Environmental Resistance

Numerical Modeling of Swirl Stabilized Lean-Premixed H₂–CH₄ Flames With the Artificially Thickened Flame Model

Performance, Emissions, and Decarbonization of an Industrial Gas Turbine Operated With Hydrotreated Vegetable Oil

Effect of Inert Species on the Static and Dynamic Stability of a Piloted, Swirl-Stabilized Flame

Advanced Modeling of Flow and Heat Transfer in Rotating Disk Cavities Using Open-Source Computational Fluid Dynamics

Reducing Methane Emissions From Lean Burn Natural Gas Engines With Prechamber Ignited Mixing-Controlled Combustion

Investigating the Mixture Quality in Multi-Injector Burner Systems, Part II: Model Application

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