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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
Open the PDF for Numerical Investigation of Lean Hydrogen-Air Flame Stabilization Regimes Using Large-Eddy Simulations in another window
Topics: Flames, Hydrogen, Large eddy simulation, Ejectors, Nitrogen oxides, Combustion, Particle image velocimetry, Air jets, Diffusion (Physics), Modeling
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

GPU Accelerated LES-FGM Modelling for Industrial Combustion Applications

Liam McManus, Graham Goldin, Yongzhe Zhang, Ivana Veljkovic, Suresh Sadasivuni, Kexin Liu
Proc. ASME. GT2024, Volume 3A: Combustion, Fuels, and Emissions, V03AT04A009, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-122041
https://doi.org/10.1115/GT2024-122041
View Paper titled, GPU Accelerated LES-FGM Modelling for Industrial Combustion Applications
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Topics: Combustion, Flamelet generated manifold, Graphics processing units, Modeling, Simulation, Combustion chambers, Flames, Architecture, Computer simulation, Cycles
Proceedings Papers

Numerical Investigation of the Combustion Process in a Lean Burn Gas Turbine Fuel Injector

Amit Rajput, Ayush Divyansh, Shanmugadas K. P.
Proc. ASME. GT2024, Volume 3B: Combustion, Fuels, and Emissions, V03BT04A032, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-128456
https://doi.org/10.1115/GT2024-128456
View Paper titled, Numerical Investigation of the Combustion Process in a Lean Burn Gas Turbine Fuel Injector
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Topics: Combustion, Ejectors, Fuel injectors, Fuels, Gas turbines, Flames, Hydrogen, Methane, Temperature distribution, Aerodynamics
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

Multirow Film-Cooling Effectiveness of Vertically Oriented Slot Cross-Section Diffusion Holes on a Turbine Nozzle Guide Vane Suction Surface

Jia-Jun Hu, Bai-Tao An
Proc. ASME. GT2024, Volume 7: Heat Transfer: Combustors; Heat Transfer: Film Cooling, V007T12A017, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-124139
https://doi.org/10.1115/GT2024-124139
View Paper titled, Multirow Film-Cooling Effectiveness of Vertically Oriented Slot Cross-Section Diffusion Holes on a Turbine Nozzle Guide Vane Suction Surface
Open the PDF for Multirow Film-Cooling Effectiveness of Vertically Oriented Slot Cross-Section Diffusion Holes on a Turbine Nozzle Guide Vane Suction Surface in another window
Topics: Diffusion (Physics), Film cooling, Nozzle guide vanes, Suction, Turbines
Proceedings Papers

Response Surface Analysis of the Backward-Diffusion Elliptical Hole

Shanyou Wang, Siyuan Zhang, Xueying Li, Jing Ren
Proc. ASME. GT2024, Volume 7: Heat Transfer: Combustors; Heat Transfer: Film Cooling, V007T12A015, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-123833
https://doi.org/10.1115/GT2024-123833
View Paper titled, Response Surface Analysis of the Backward-Diffusion Elliptical Hole
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Topics: Diffusion (Physics), Response surface methodology, Stress concentration
Proceedings Papers

Development of an Additively Manufactured Stationary Diffusion System for a Research Aeroengine Centrifugal Compressor

Jack T. Clement, Adam T. Coon, Nicole L. Key
Proc. ASME. GT2024, Volume 10A: Structures and Dynamics — Aerodynamics Excitation and Damping; Bearing and Seal Dynamics; Emerging Methods in Engineering Design, Analysis, and Additive Manufacturing, V10AT23A007, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-125236
https://doi.org/10.1115/GT2024-125236
View Paper titled, Development of an Additively Manufactured Stationary Diffusion System for a Research Aeroengine Centrifugal Compressor
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Topics: Additive manufacturing, Compressors, Diffusers, Diffusion (Physics)
Proceedings Papers

Topological Shape and Performance Optimisation of Microchannel Diffusion-Bonded Heat Exchangers Used in sCO2 Brayton Cycle

Shubham Kumar Vishwakarma, Adhip Srivastava, Pramod Kumar, Pradip Dutta, Nagendra Somanath
Proc. ASME. GT2024, Volume 11: Supercritical CO2, V011T28A015, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-124223
https://doi.org/10.1115/GT2024-124223
View Paper titled, Topological Shape and Performance Optimisation of Microchannel Diffusion-Bonded Heat Exchangers Used in sCO2 Brayton Cycle
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Topics: Brayton cycle, Diffusion (Physics), Genetic algorithms, Heat exchangers, Heat transfer, Microchannels, Optimization, Shapes, Topology
Proceedings Papers

Numerical Investigation of the Effect of Diffusion Factor Variation on the Performance of Single-Row and Tandem Bladings in Low-Speed Axial Compressor Stages

Philipp von Jeinsen, Samuele Giannini, Volker Gümmer
Proc. ASME. GT2024, Volume 12A: Turbomachinery — Axial Flow Fan and Compressor Aerodynamics, V12AT29A037, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-127650
https://doi.org/10.1115/GT2024-127650
View Paper titled, Numerical Investigation of the Effect of Diffusion Factor Variation on the Performance of Single-Row and Tandem Bladings in Low-Speed Axial Compressor Stages
Open the PDF for Numerical Investigation of the Effect of Diffusion Factor Variation on the Performance of Single-Row and Tandem Bladings in Low-Speed Axial Compressor Stages in another window
Topics: Compressors, Diffusion (Physics), Design, Airfoils, Flow (Dynamics), Inlet guide vanes, Rotors, Stators, Blades, Flight
Proceedings Papers

Extension of the MULTALL Open Source Throughflow Code for the Improved Off – Design Calculations

Mustafa Bilgiç, Özgür Uğraş Baran, Mehmet Halûk Aksel
Proc. ASME. GT2024, Volume 12C: Turbomachinery — Design Methods and CFD Modeling for Turbomachinery; Ducts, Noise, and Component Interactions, V12CT32A029, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-126534
https://doi.org/10.1115/GT2024-126534
View Paper titled, Extension of the MULTALL Open Source Throughflow Code for the Improved Off – Design Calculations
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Topics: Compressors, Design, Flow (Dynamics), Turbomachinery, Blades, Friction, Shock (Mechanics), Diffusion (Physics), Turbines, Wireless power transfer
Proceedings Papers

Accurate Modeling of the Flow Structures in the Gap Between Corotating Disks of a Tesla Turbine

Mohammadsadegh Pahlavanzadeh, Krzysztof Rusin, Włodzimierz Wróblewski
Proc. ASME. GT2024, Volume 12C: Turbomachinery — Design Methods and CFD Modeling for Turbomachinery; Ducts, Noise, and Component Interactions, V12CT32A007, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-121758
https://doi.org/10.1115/GT2024-121758
View Paper titled, Accurate Modeling of the Flow Structures in the Gap Between Corotating Disks of a Tesla Turbine
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Topics: Disks, Flow (Dynamics), Modeling, Turbines, Nozzles, Turbulence, Diffusion (Physics), Kinetic energy, Large eddy simulation, Momentum
Proceedings Papers

Experimental and Numerical Comparison of Two Turbine Vane Frame Designs

Nicolas Krajnc, Asim Hafizovic, Lukas Wiesinger, Francesco Mangini, Patrick Zeno Sterzinger, Marios Patinios, Emil Göttlich
Proc. ASME. GT2024, Volume 12C: Turbomachinery — Design Methods and CFD Modeling for Turbomachinery; Ducts, Noise, and Component Interactions, V12CT33A010, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-126184
https://doi.org/10.1115/GT2024-126184
View Paper titled, Experimental and Numerical Comparison of Two Turbine Vane Frame Designs
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Topics: Turbines, Flow (Dynamics), Design, Ducts, High pressure (Physics), Momentum, Rotors, Airfoils, Boundary-value problems, Computer simulation
Proceedings Papers

Insights Into Turbocharger Centrifugal Compressor Stability Using High-Fidelity CFD and a Novel Impeller Diffusion Factor

Yiming Liu, Stephen Spence, John Horsley, Stuart Mann, Charles Stuart
Proc. ASME. GT2024, Volume 12D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Radial Turbomachinery Aerodynamics; Unsteady Flows in Turbomachinery, V12DT35A005, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-123825
https://doi.org/10.1115/GT2024-123825
View Paper titled, Insights Into Turbocharger Centrifugal Compressor Stability Using High-Fidelity CFD and a Novel Impeller Diffusion Factor
Open the PDF for Insights Into Turbocharger Centrifugal Compressor Stability Using High-Fidelity CFD and a Novel Impeller Diffusion Factor in another window
Topics: Compressors, Computational fluid dynamics, Diffusion (Physics), Impellers, Stability, Turbochargers
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

Aerodynamic Study of a Horizontal Axis Wind Turbine in Surge Motion Under Angular Speed and Blade Pitch Controls

Agnese Firpo, Andrea G. Sanvito, Vincenzo Dossena, Giacomo Persico
Proc. ASME. GT2024, Volume 13: Heat Transfer: General Interest / Additive Manufacturing Impacts on Heat Transfer; Wind Energy, V013T37A020, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-129321
https://doi.org/10.1115/GT2024-129321
View Paper titled, Aerodynamic Study of a Horizontal Axis Wind Turbine in Surge Motion Under Angular Speed and Blade Pitch Controls
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Topics: Actuators, Blades, Floating wind turbines, Horizontal axis wind turbines, Surges, Electromagnetic induction, Resolution (Optics), Stress, Turbines, Wakes
Proceedings Papers

Effect of Entrance Cross-Section on Bulk Swirl and Performance of an S-Duct Inlet in High Subsonic Flow

Ben Gilbart, Asad Asghar, William D. E. Allan, Robert Stowe, Rogerio Pimentel, Timothy Pistun
Proc. ASME. GT2023, Volume 1: Aircraft Engine, V001T01A040, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-104188
https://doi.org/10.1115/GT2023-104188
View Paper titled, Effect of Entrance Cross-Section on Bulk Swirl and Performance of an S-Duct Inlet in High Subsonic Flow
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Topics: Ducts, Subsonic flow, Flow (Dynamics), Pressure, Engines, Additive manufacturing, Aircraft engines, Diffusion (Physics), High pressure (Physics), Mach number
Proceedings Papers

The Impact of the Off-Design Conditions on the Entropy Wave Interaction With a High-Pressure Turbine Stage

Lorenzo Pinelli, Giovanni Giannini, Michele Marconcini, Roberto Pacciani, Andrea Notaristefano, Paolo Gaetani
Proc. ASME. GT2023, Volume 13D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Radial Turbomachinery Aerodynamics; Unsteady Flows in Turbomachinery, V13DT36A019, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-102837
https://doi.org/10.1115/GT2023-102837
View Paper titled, The Impact of the Off-Design Conditions on the Entropy Wave Interaction With a High-Pressure Turbine Stage
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Topics: Design, Entropy, High pressure (Physics), Turbines, Waves, Emissions, Noise (Sound), Rotors, Combustion chambers, Engines
Proceedings Papers

The Effect of Meter-Diffuser Angular Offset on Film Cooling Hole Adiabatic Effectiveness

Evan Lundburg, Stephen Lynch, Kevin Liu, Hongzhou Xu, Michael Fox
Proc. ASME. GT2023, Volume 7A: Heat Transfer — Combustors; Film Cooling, V07AT12A003, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-100791
https://doi.org/10.1115/GT2023-100791
View Paper titled, The Effect of Meter-Diffuser Angular Offset on Film Cooling Hole Adiabatic Effectiveness
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Topics: Diffusers, Film cooling, Coolants, Flow (Dynamics), Surface roughness, Errors, Geometry, Shapes, Blades, Diffusion (Physics)
Proceedings Papers

Observations in the High-Temperature Creep Performance of Diffusion Bonds for sCO2 Heat Exchangers

John Shingledecker, Vikash Kumar, Alex Bridges
Proc. ASME. GT2023, Volume 12: Supercritical CO2, V012T28A018, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-102967
https://doi.org/10.1115/GT2023-102967
View Paper titled, Observations in the High-Temperature Creep Performance of Diffusion Bonds for sCO2 Heat Exchangers
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Topics: Diffusion (Physics), Diffusion bonding (Metals), Heat exchangers, High temperature creep