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Proceedings Papers

Dynamic Response of Stratified Flames to Acoustic Excitation in a Multi-Swirler Model Combustor

Weijie Liu, Ming Jin, Bing Ge, Ranran Xue, He Su, Shusheng Zang
Proc. ASME. GT2022, Volume 3B: Combustion, Fuels, and Emissions, V03BT04A035, June 13–17, 2022
Paper No: GT2022-82871
DOI: https://doi.org/10.1115/GT2022-82871
View Paper titled, Dynamic Response of Stratified Flames to Acoustic Excitation in a Multi-Swirler Model Combustor
Click here to open pdf in another window PDF for Dynamic Response of Stratified Flames to Acoustic Excitation in a Multi-Swirler Model Combustor
Topics: Acoustics, Combustion chambers, Dynamic response, Excitation, Flames, Flow (Dynamics), Principal component analysis, Swirling flow, Transfer functions
Proceedings Papers

Computation of Intrinsic Instability and Sound Generation From Autoignition Fronts

Harish Subramanian Gopalakrishnan, Andrea Gruber, Jonas Moeck
Proc. ASME. GT2022, Volume 3B: Combustion, Fuels, and Emissions, V03BT04A022, June 13–17, 2022
Paper No: GT2022-82480
DOI: https://doi.org/10.1115/GT2022-82480
View Paper titled, Computation of Intrinsic Instability and Sound Generation From Autoignition Fronts
Click here to open pdf in another window PDF for Computation of Intrinsic Instability and Sound Generation From Autoignition Fronts
Topics: Computation, Combustion chambers, Flames, Oscillations, Acoustics, Ignition, Combustion, Heat, Carbon, Emissions
Proceedings Papers

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

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
Paper No: GT2022-83810
DOI: 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
Click here to open pdf in another window PDF for Numerical Investigation of the Local Thermo-Chemical State in a Thermo-Acoustically Unstable Dual Swirl Gas Turbine Model Combustor
Topics: Acoustics, Combustion chambers, Gas turbines, Flames, Oscillations, Cycles, Delays, Enthalpy, Heat losses, Accounting
Proceedings Papers

Cost-Effective CFD Analysis of the Acoustic Response of a Perforated Plate

Nunzio Dimola, Michele Stefanizzi, Tommaso Capurso, Thierry Schuller, Marco Torresi, Sergio Mario Camporeale
Proc. ASME. GT2022, Volume 3B: Combustion, Fuels, and Emissions, V03BT04A032, June 13–17, 2022
Paper No: GT2022-82670
DOI: https://doi.org/10.1115/GT2022-82670
View Paper titled, Cost-Effective CFD Analysis of the Acoustic Response of a Perforated Plate
Click here to open pdf in another window PDF for Cost-Effective CFD Analysis of the Acoustic Response of a Perforated Plate
Topics: Acoustics, Computational fluid dynamics, Flow (Dynamics), Plates (structures), Combustion chambers, Gas turbines, Sound absorption, Temperature, Combustion, Damage
Proceedings Papers

The Effect of Rectangular Confinement Aspect Ratio on the Flame Transfer Function of a Turbulent Swirling Flame

Aksel Ånestad, Byeonguk Ahn, Håkon T. Nygård, Nicholas A. Worth
Proc. ASME. GT2022, Volume 3B: Combustion, Fuels, and Emissions, V03BT04A041, June 13–17, 2022
Paper No: GT2022-83014
DOI: https://doi.org/10.1115/GT2022-83014
View Paper titled, The Effect of Rectangular Confinement Aspect Ratio on the Flame Transfer Function of a Turbulent Swirling Flame
Click here to open pdf in another window PDF for The Effect of Rectangular Confinement Aspect Ratio on the Flame Transfer Function of a Turbulent Swirling Flame
Topics: Flames, Swirling flow, Transfer functions, Turbulence, Dynamics (Mechanics), Flow (Dynamics), Heat, Oscillations, Shapes
Proceedings Papers

Stabilization of Auto-Igniting Flames Within a Gas Turbine Sequential Combustor, Through the Control of Static Temperature Variation - Detailed Numerical Investigation

Fernando Biagioli, Holger Luebcke, Ammar Lamraoui, Khawar J. Syed, André Theuer
Proc. ASME. GT2022, Volume 3B: Combustion, Fuels, and Emissions, V03BT04A025, June 13–17, 2022
Paper No: GT2022-82592
DOI: https://doi.org/10.1115/GT2022-82592
View Paper titled, Stabilization of Auto-Igniting Flames Within a Gas Turbine Sequential Combustor, Through the Control of Static Temperature Variation - Detailed Numerical Investigation
Click here to open pdf in another window PDF for Stabilization of Auto-Igniting Flames Within a Gas Turbine Sequential Combustor, Through the Control of Static Temperature Variation - Detailed Numerical Investigation
Topics: Combustion, Combustion chambers, Emissions, Flames, Gas turbines, Temperature, Fuels, Mach number, Flow (Dynamics), Pressure drop
Proceedings Papers

Stabilization of Low-NOx Hydrogen Flames on a Dual-Swirl Coaxial Injector

Maxime Leroy, Clément Mirat, Antoine Renaud, Ronan Vicquelin
Proc. ASME. GT2022, Volume 3B: Combustion, Fuels, and Emissions, V03BT04A006, June 13–17, 2022
Paper No: GT2022-82111
DOI: https://doi.org/10.1115/GT2022-82111
View Paper titled, Stabilization of Low-NOx Hydrogen Flames on a Dual-Swirl Coaxial Injector
Click here to open pdf in another window PDF for Stabilization of Low-NOx Hydrogen Flames on a Dual-Swirl Coaxial Injector
Topics: Ejectors, Flames, Hydrogen, Nitrogen oxides, Combustion, Emissions, Temperature, Atmospheric pressure, Carbon, Chemiluminescence
Proceedings Papers

Design of an Additively Manufactured Recuperator With 800 °C Inlet Temperature for sCO2 Power Cycle Application

Michael Marshall, Meysam Akbari, Ji-Cheng Zhao, Kevin Hoopes
Proc. ASME. GT2022, Volume 9: Supercritical CO2, V009T28A015, June 13–17, 2022
Paper No: GT2022-82301
DOI: https://doi.org/10.1115/GT2022-82301
View Paper titled, Design of an Additively Manufactured Recuperator With 800 °C Inlet Temperature for sCO2 Power Cycle Application
Click here to open pdf in another window PDF for Design of an Additively Manufactured Recuperator With 800 °C Inlet Temperature for sCO2 Power Cycle Application
Topics: Additive manufacturing, Design, Temperature, Thermodynamic power cycles, Flow (Dynamics), Heat transfer, Lasers, Containment, Creep, Heat exchangers
Proceedings Papers

Investigation of Gas Turbine Internal Cooling Using Supercritical CO2 – Effect of Surface Roughness and Channel Aspect Ratio

Arnab Roy, Matthew Searle, Sridharan Ramesh, Douglas Straub
Proc. ASME. GT2022, Volume 9: Supercritical CO2, V009T28A026, June 13–17, 2022
Paper No: GT2022-83319
DOI: https://doi.org/10.1115/GT2022-83319
View Paper titled, Investigation of Gas Turbine Internal Cooling Using Supercritical CO2 – Effect of Surface Roughness and Channel Aspect Ratio
Click here to open pdf in another window PDF for Investigation of Gas Turbine Internal Cooling Using Supercritical CO2 – Effect of Surface Roughness and Channel Aspect Ratio
Topics: Cooling, Gas turbines, Supercritical carbon dioxide, Surface roughness, Reynolds number, Additive manufacturing, Computational fluid dynamics, Heat transfer, Flow (Dynamics), Fluids
Proceedings Papers

Windage Loss and Flow Characteristics in Impeller Back Clearance of sCO 2 Centrifugal Compressor

Lehao Hu, Qinghua Deng, Zhigang Li, Jun Li, Zhenping Feng
Proc. ASME. GT2022, Volume 9: Supercritical CO2, V009T28A018, June 13–17, 2022
Paper No: GT2022-82921
DOI: https://doi.org/10.1115/GT2022-82921
View Paper titled, Windage Loss and Flow Characteristics in Impeller Back Clearance of sCO 2 Centrifugal Compressor
Click here to open pdf in another window PDF for Windage Loss and Flow Characteristics in Impeller Back Clearance of sCO 2 Centrifugal Compressor
Topics: Clearances (Engineering), Compressors, Flow (Dynamics), Impellers
Proceedings Papers

Fan Stability Enhancement With Partial Casing Treatments

Matthew K. Oldfield, Alejandro Castillo Pardo, Cesare A. Hall
Proc. ASME. GT2022, Volume 10A: Turbomachinery — Axial Flow Fan and Compressor Aerodynamics, V10AT29A020, June 13–17, 2022
Paper No: GT2022-82039
DOI: https://doi.org/10.1115/GT2022-82039
View Paper titled, Fan Stability Enhancement With Partial Casing Treatments
Click here to open pdf in another window PDF for Fan Stability Enhancement With Partial Casing Treatments
Topics: Stability, Annulus, Rotors, Flow (Dynamics), Compressors, Fans, Stall inception
Proceedings Papers

Mitigation of BLI Circumferential Distortion Using Non-Axisymmetric Fan Exit Guide Vanes

David Hall, Edward Greitzer, Choon Tan
Proc. ASME. GT2022, Volume 10A: Turbomachinery — Axial Flow Fan and Compressor Aerodynamics, V10AT29A031, June 13–17, 2022
Paper No: GT2022-82465
DOI: https://doi.org/10.1115/GT2022-82465
View Paper titled, Mitigation of BLI Circumferential Distortion Using Non-Axisymmetric Fan Exit Guide Vanes
Click here to open pdf in another window PDF for Mitigation of BLI Circumferential Distortion Using Non-Axisymmetric Fan Exit Guide Vanes
Topics: Guide vanes, Flow (Dynamics), Rotors, Design, Stators, Boundary layers, Geometry, Tradeoffs
Proceedings Papers

Experimental Analysis of an Axial Compressor Operating Under Flow Distortion

Alberto Baretter, Pierric Joseph, Olivier Roussette, Francesco Romanó, Antoine Dazin
Proc. ASME. GT2022, Volume 10A: Turbomachinery — Axial Flow Fan and Compressor Aerodynamics, V10AT29A030, June 13–17, 2022
Paper No: GT2022-82394
DOI: https://doi.org/10.1115/GT2022-82394
View Paper titled, Experimental Analysis of an Axial Compressor Operating Under Flow Distortion
Click here to open pdf in another window PDF for Experimental Analysis of an Axial Compressor Operating Under Flow Distortion
Topics: Compressors, Experimental analysis, Flow (Dynamics)
Proceedings Papers

Flow Dynamics of a Subsonic Axial Compressor Rotor With Leaned Tandem Blades

Amit Kumar, Jerry T. John, Akshay Kumar, Hitesh Chhugani, A. M. Pradeep
Proc. ASME. GT2022, Volume 10A: Turbomachinery — Axial Flow Fan and Compressor Aerodynamics, V10AT29A021, June 13–17, 2022
Paper No: GT2022-82075
DOI: https://doi.org/10.1115/GT2022-82075
View Paper titled, Flow Dynamics of a Subsonic Axial Compressor Rotor With Leaned Tandem Blades
Click here to open pdf in another window PDF for Flow Dynamics of a Subsonic Axial Compressor Rotor With Leaned Tandem Blades
Topics: Blades, Compressors, Flow (Dynamics), Leakage, Rotors, Vortices, Design, Pressure, Shapes, Diffusion (Physics)
Proceedings Papers

Effects of Sideslip Direction on a Rear Fuselage Boundary Layer Ingesting Fan

Alejandro Castillo Pardo, Cesare A. Hall
Proc. ASME. GT2022, Volume 10A: Turbomachinery — Axial Flow Fan and Compressor Aerodynamics, V10AT29A024, June 13–17, 2022
Paper No: GT2022-82177
DOI: https://doi.org/10.1115/GT2022-82177
View Paper titled, Effects of Sideslip Direction on a Rear Fuselage Boundary Layer Ingesting Fan
Click here to open pdf in another window PDF for Effects of Sideslip Direction on a Rear Fuselage Boundary Layer Ingesting Fan
Topics: Boundary layers, Flow (Dynamics), Aerodynamics, Pressure, Aircraft, Annulus, Design, Emissions, Engineering simulation, Fuels
Proceedings Papers

PDA Laser Measurements of Droplet-Laden Flows in a Four Stage Axial Compressor

Tobias Doerr, Sebastian Schuster, Dieter Brillert
Proc. ASME. GT2022, Volume 10A: Turbomachinery — Axial Flow Fan and Compressor Aerodynamics, V10AT29A007, June 13–17, 2022
Paper No: GT2022-80284
DOI: https://doi.org/10.1115/GT2022-80284
View Paper titled, PDA Laser Measurements of Droplet-Laden Flows in a Four Stage Axial Compressor
Click here to open pdf in another window PDF for PDA Laser Measurements of Droplet-Laden Flows in a Four Stage Axial Compressor
Topics: Compressors, Drops, Flow (Dynamics), Lasers, Laser beams, Liquid films, Air flow, Aircraft engines, Blades, Boundary layers
Proceedings Papers

Numerical Investigations on the Rotating Stall in an Axial Compressor and Its Control by Flow Injection at Casing

Julien Marty, Lionel Castillon, Pierric Joseph
Proc. ASME. GT2022, Volume 10A: Turbomachinery — Axial Flow Fan and Compressor Aerodynamics, V10AT29A034, June 13–17, 2022
Paper No: GT2022-82834
DOI: https://doi.org/10.1115/GT2022-82834
View Paper titled, Numerical Investigations on the Rotating Stall in an Axial Compressor and Its Control by Flow Injection at Casing
Click here to open pdf in another window PDF for Numerical Investigations on the Rotating Stall in an Axial Compressor and Its Control by Flow Injection at Casing
Topics: Compressors, Flow (Dynamics), Flow control
Proceedings Papers

Numerical Investigation of Near-Tip Modifications for a Highly-Loaded Low-Speed Rotor Under the Influence of Double Leakage

Jannik Eckel, Philipp von Jeinsen, Volker Gümmer
Proc. ASME. GT2022, Volume 10A: Turbomachinery — Axial Flow Fan and Compressor Aerodynamics, V10AT29A023, June 13–17, 2022
Paper No: GT2022-82143
DOI: https://doi.org/10.1115/GT2022-82143
View Paper titled, Numerical Investigation of Near-Tip Modifications for a Highly-Loaded Low-Speed Rotor Under the Influence of Double Leakage
Click here to open pdf in another window PDF for Numerical Investigation of Near-Tip Modifications for a Highly-Loaded Low-Speed Rotor Under the Influence of Double Leakage
Topics: Compressors, Flow (Dynamics), Leakage, Rotors, Vortices
Proceedings Papers

Validation of Steady-State Aerodynamics in a Transonic Linear Cascade at Near Stall Conditions

Carlos Tavera Guerrero, Nenad Glodic, Pieter Groth
Proc. ASME. GT2022, Volume 10A: Turbomachinery — Axial Flow Fan and Compressor Aerodynamics, V10AT29A013, June 13–17, 2022
Paper No: GT2022-81346
DOI: https://doi.org/10.1115/GT2022-81346
View Paper titled, Validation of Steady-State Aerodynamics in a Transonic Linear Cascade at Near Stall Conditions
Click here to open pdf in another window PDF for Validation of Steady-State Aerodynamics in a Transonic Linear Cascade at Near Stall Conditions
Topics: Aerodynamics, Cascades (Fluid dynamics), Steady state, Flow (Dynamics), Turbulence, Separation (Technology), Airfoils, Blades, Bubbles, Compressors
Proceedings Papers

The Modelling of Roughness Effect on the Performance of a Controlled Diffusion Airfoil

Grégory Delvaux, Riccardo Toracchio, Elissavet Boufidi, Emma Croner, Fabrizio Fontaneto
Proc. ASME. GT2022, Volume 10A: Turbomachinery — Axial Flow Fan and Compressor Aerodynamics, V10AT29A005, June 13–17, 2022
Paper No: GT2022-79522
DOI: https://doi.org/10.1115/GT2022-79522
View Paper titled, The Modelling of Roughness Effect on the Performance of a Controlled Diffusion Airfoil
Click here to open pdf in another window PDF for The Modelling of Roughness Effect on the Performance of a Controlled Diffusion Airfoil
Topics: Airfoils, Diffusion (Physics), Modeling, Surface roughness, Boundary layer turbulence, Blades, Finishes, Flow (Dynamics), Mach number, Manufacturing