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Proceedings Papers

Computation of the Unsteady Loading on a Fan Blade Due to Inlet Distortion Using Body Force Methodology

Younes Bouhafid, Thomas Berthelon
Proc. ASME. GT2022, Volume 8A: Structures and Dynamics — Aerodynamics Excitation and Damping; Bearing and Seal Dynamics; Emerging Methods in Engineering Design, Analysis, and Additive Manufacturing; Fatigue, Fracture, and Life Prediction, V08AT21A006, June 13–17, 2022
Paper No: GT2022-80839
DOI: https://doi.org/10.1115/GT2022-80839
View Paper titled, Computation of the Unsteady Loading on a Fan Blade Due to Inlet Distortion Using Body Force Methodology
Click here to open pdf in another window PDF for Computation of the Unsteady Loading on a Fan Blade Due to Inlet Distortion Using Body Force Methodology
Topics: Blades, Computation, Design, Reynolds-averaged Navier–Stokes equations, Aerodynamics, Engines, Fluid-dynamic forces, Vibration, Annulus, Flow separation
Proceedings Papers

Numerical Investigation of Unsteady Inlet Guide Vane-Rotor Interactions in a Transonic Fan Due to Boundary Layer Ingestion

Ritangshu Giri, Mark G. Turner
Proc. ASME. GT2022, Volume 10A: Turbomachinery — Axial Flow Fan and Compressor Aerodynamics, V10AT29A017, June 13–17, 2022
Paper No: GT2022-81878
DOI: https://doi.org/10.1115/GT2022-81878
View Paper titled, Numerical Investigation of Unsteady Inlet Guide Vane-Rotor Interactions in a Transonic Fan Due to Boundary Layer Ingestion
Click here to open pdf in another window PDF for Numerical Investigation of Unsteady Inlet Guide Vane-Rotor Interactions in a Transonic Fan Due to Boundary Layer Ingestion
Topics: Boundary layers, Rotors, Inlet guide vanes, Blades, High cycle fatigue, Pressure, Shock (Mechanics), Shock waves, Vortices, Wakes
Proceedings Papers

Vortical Structures and Loss Mechanism of Tip Leakage Flow In Subsonic and Transonic Turbine Stages

P. H. Duan, L. He
Proc. ASME. GT2022, Volume 10B: Turbomachinery — Axial Flow Turbine Aerodynamics; Deposition, Erosion, Fouling, and Icing; Radial Turbomachinery Aerodynamics, V10BT30A032, June 13–17, 2022
Paper No: GT2022-83473
DOI: https://doi.org/10.1115/GT2022-83473
View Paper titled, Vortical Structures and Loss Mechanism of Tip Leakage Flow In Subsonic and Transonic Turbine Stages
Click here to open pdf in another window PDF for Vortical Structures and Loss Mechanism of Tip Leakage Flow In Subsonic and Transonic Turbine Stages
Topics: Leakage flows, Turbines, Flow (Dynamics), Cavities, Vortices, Leakage, Platform supply vessels, Pressure, Cascades (Fluid dynamics), Heat transfer
Proceedings Papers

Computational Flow Field Assessment of the Inlet Region of Centrifugal Compressor Under Unsteady Flow Conditions Near Surge

Aakeen Parikh, Pablo Ale-Martos, Maria Esperanza Barrera-Medrano, Yoshihiro Hayashi, Ricardo Martinez-Botas
Proc. ASME. GT2022, Volume 10B: Turbomachinery — Axial Flow Turbine Aerodynamics; Deposition, Erosion, Fouling, and Icing; Radial Turbomachinery Aerodynamics, V10BT35A005, June 13–17, 2022
Paper No: GT2022-81968
DOI: https://doi.org/10.1115/GT2022-81968
View Paper titled, Computational Flow Field Assessment of the Inlet Region of Centrifugal Compressor Under Unsteady Flow Conditions Near Surge
Click here to open pdf in another window PDF for Computational Flow Field Assessment of the Inlet Region of Centrifugal Compressor Under Unsteady Flow Conditions Near Surge
Topics: Compressors, Flow (Dynamics), Surges, Unsteady flow, Pulsatile flow, Stability, Boundary-value problems, Cycles, Dynamic response, Engines
Proceedings Papers

Multi-Objective Development of Machine-Learnt Closures for Fully Integrated Transition and Wake Mixing Predictions in Low Pressure Turbines

Harshal D. Akolekar, Fabian Waschkowski, Roberto Pacciani, Yaomin Zhao, Richard D. Sandberg
Proc. ASME. GT2022, Volume 10C: Turbomachinery — Design Methods and CFD Modeling for Turbomachinery; Ducts, Noise, and Component Interactions, V10CT32A013, June 13–17, 2022
Paper No: GT2022-81091
DOI: https://doi.org/10.1115/GT2022-81091
View Paper titled, Multi-Objective Development of Machine-Learnt Closures for Fully Integrated Transition and Wake Mixing Predictions in Low Pressure Turbines
Click here to open pdf in another window PDF for Multi-Objective Development of Machine-Learnt Closures for Fully Integrated Transition and Wake Mixing Predictions in Low Pressure Turbines
Topics: Machinery, Pressure, Turbines, Wakes, Blades, Computational fluid dynamics, Machine learning, Boundary layers, Reynolds number, Reynolds-averaged Navier–Stokes equations
Proceedings Papers

Free-Stream Turbulence Induced Boundary-Layer Transition in Low-Pressure Turbines

Luca De Vincentiis, Kristina Ðurović, Davide Lengani, Daniele Simoni, Jan Pralits, Dan S. Henningson, Ardeshir Hanifi
Proc. ASME. GT2022, Volume 10D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Turbomachinery General Interest; Unsteady Flows in Turbomachinery, V10DT37A015, June 13–17, 2022
Paper No: GT2022-82103
DOI: https://doi.org/10.1115/GT2022-82103
View Paper titled, Free-Stream Turbulence Induced Boundary-Layer Transition in Low-Pressure Turbines
Click here to open pdf in another window PDF for Free-Stream Turbulence Induced Boundary-Layer Transition in Low-Pressure Turbines
Topics: Boundary layers, Pressure, Turbines, Turbulence, Wakes, Blades, Fluctuations (Physics), Rotors, Turbine blades, Boundary-value problems
Proceedings Papers

Machine-Learning Assisted Optimization of Generalized K-Omega (GEKO) Turbulence Model Parameters for Turbocharger Radial Compressor

Patrick Amstad, Kwok Kai So, Magnus Fischer
Proc. ASME. GT2022, Volume 10D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Turbomachinery General Interest; Unsteady Flows in Turbomachinery, V10DT34A002, June 13–17, 2022
Paper No: GT2022-78306
DOI: https://doi.org/10.1115/GT2022-78306
View Paper titled, Machine-Learning Assisted Optimization of Generalized K-Omega (GEKO) Turbulence Model Parameters for Turbocharger Radial Compressor
Click here to open pdf in another window PDF for Machine-Learning Assisted Optimization of Generalized K-Omega (GEKO) Turbulence Model Parameters for Turbocharger Radial Compressor
Topics: Compressors, Machine learning, Optimization, Turbochargers, Turbulence, Artificial neural networks, Diffusers, Errors, Flow (Dynamics), Pressure
Proceedings Papers

Direct Numerical Simulations of Aerodynamic Performance of Wind Turbine Airfoil by Considering Flap-Wise Blade Oscillations

Mahdi Erfanian Nakhchi Toosi, Mohammad Rahmati
Proc. ASME. GT2022, Volume 11: Wind Energy, V011T38A009, June 13–17, 2022
Paper No: GT2022-81988
DOI: https://doi.org/10.1115/GT2022-81988
View Paper titled, Direct Numerical Simulations of Aerodynamic Performance of Wind Turbine Airfoil by Considering Flap-Wise Blade Oscillations
Click here to open pdf in another window PDF for Direct Numerical Simulations of Aerodynamic Performance of Wind Turbine Airfoil by Considering Flap-Wise Blade Oscillations
Topics: Airfoils, Blades, Computer simulation, Flow separation, Oscillations, Vibration, Wind turbines
Proceedings Papers

Response of Separated Boundary Layers to Steady and Pulsated Flow Injection in Transonic Internal Flows

Hunter D. Nowak, Federico Lluesma-Rodriguez, Iman Rahbari, John P. Clark, Guillermo Paniagua
Proc. ASME. GT2022, Volume 2: Coal, Biomass, Hydrogen, and Alternative Fuels; Controls, Diagnostics, and Instrumentation; Steam Turbine, V002T05A021, June 13–17, 2022
Paper No: GT2022-83152
DOI: https://doi.org/10.1115/GT2022-83152
View Paper titled, Response of Separated Boundary Layers to Steady and Pulsated Flow Injection in Transonic Internal Flows
Click here to open pdf in another window PDF for Response of Separated Boundary Layers to Steady and Pulsated Flow Injection in Transonic Internal Flows
Topics: Boundary layers, Flow (Dynamics), Internal flow, Separation (Technology), Computational fluid dynamics, Energy generation, Flight, Flow control, Flow separation, Reynolds number
Proceedings Papers

Flow Separation Modelling Dowstream of Military Low Pressure Compressors

Javier Ruiz Domingo, Amanda Pieyre
Proc. ASME. GT2022, Volume 1: Aircraft Engine; Ceramics and Ceramic Composites, V001T01A003, June 13–17, 2022
Paper No: GT2022-79112
DOI: https://doi.org/10.1115/GT2022-79112
View Paper titled, Flow Separation Modelling Dowstream of Military Low Pressure Compressors
Click here to open pdf in another window PDF for Flow Separation Modelling Dowstream of Military Low Pressure Compressors
Topics: Compressors, Flow separation, Military systems, Modeling, Pressure
Proceedings Papers

Investigation of a Novel Turbine Housing to Produce a Non-Uniform Spanwise Flow Field at the Inlet to a Mixed Flow Turbine and Provide Variable Geometry Capabilities

Richard Morrison, Charles Stuart, Sung In Kim, Stephen Spence, Andre Starke, Thomas Leonard
Proc. ASME. GT2021, Volume 2D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Radial Turbomachinery Aerodynamics; Unsteady Flows in Turbomachinery, V02DT37A007, June 7–11, 2021
Paper No: GT2021-59382
DOI: https://doi.org/10.1115/GT2021-59382
View Paper titled, Investigation of a Novel Turbine Housing to Produce a Non-Uniform Spanwise Flow Field at the Inlet to a Mixed Flow Turbine and Provide Variable Geometry Capabilities
Click here to open pdf in another window PDF for Investigation of a Novel Turbine Housing to Produce a Non-Uniform Spanwise Flow Field at the Inlet to a Mixed Flow Turbine and Provide Variable Geometry Capabilities
Topics: Flow (Dynamics), Geometry, Turbines, Design, Engines, Flow separation, Rotors, Transients (Dynamics), Turbochargers, Automotive engines
Proceedings Papers

High Efficiency Wind Turbine Using Co-Flow Jet Active Flow Control

Kewei Xu, Gecheng Zha
Proc. ASME. GT2021, Volume 1: Aircraft Engine; Fans and Blowers; Marine; Wind Energy; Scholar Lecture, V001T40A003, June 7–11, 2021
Paper No: GT2021-59664
DOI: https://doi.org/10.1115/GT2021-59664
View Paper titled, High Efficiency Wind Turbine Using Co-Flow Jet Active Flow Control
Click here to open pdf in another window PDF for High Efficiency Wind Turbine Using Co-Flow Jet Active Flow Control
Topics: Flow (Dynamics), Flow control, Wind turbines, Airfoils, Blades, Flow separation, Turbines, Wind velocity, Adaptive control, Doors
Proceedings Papers

Internal Aerodynamic Performance Evaluation of Double Entrance S-Duct Intake at Moderately High Subsonic Mach Number

Satpreet Sidhu, Asad Asghar, William D. E. Allan, R. A. Stowe, R. Pimentel
Proc. ASME. GT2021, Volume 1: Aircraft Engine; Fans and Blowers; Marine; Wind Energy; Scholar Lecture, V001T01A004, June 7–11, 2021
Paper No: GT2021-58849
DOI: https://doi.org/10.1115/GT2021-58849
View Paper titled, Internal Aerodynamic Performance Evaluation of Double Entrance S-Duct Intake at Moderately High Subsonic Mach Number
Click here to open pdf in another window PDF for Internal Aerodynamic Performance Evaluation of Double Entrance S-Duct Intake at Moderately High Subsonic Mach Number
Topics: Ducts, Mach number, Performance evaluation, Pressure, Engines, Aircraft, Air flow, Aircraft propulsion, Computational fluid dynamics, Flow separation
Proceedings Papers

Fan-Intake Coupling With Conventional and Short Intakes

E. J. Gunn, T. Brandvik, M. J. Wilson
Proc. ASME. GT2021, Volume 1: Aircraft Engine; Fans and Blowers; Marine; Wind Energy; Scholar Lecture, V001T01A003, June 7–11, 2021
Paper No: GT2021-58829
DOI: https://doi.org/10.1115/GT2021-58829
View Paper titled, Fan-Intake Coupling With Conventional and Short Intakes
Click here to open pdf in another window PDF for Fan-Intake Coupling With Conventional and Short Intakes
Topics: Annulus, Boundary layers, Computational fluid dynamics, Design, Diffusion (Physics), Drag (Fluid dynamics), Engineering simulation, Engines, Fans, Flow (Dynamics)
Proceedings Papers

Fan Stability With Leading Edge Damage: Blind Prediction and Validation

E. J. Gunn, T. Brandvik, M. J. Wilson, R. Maxwell
Proc. ASME. GT2021, Volume 2A: Turbomachinery — Axial Flow Fan and Compressor Aerodynamics, V02AT31A033, June 7–11, 2021
Paper No: GT2021-59495
DOI: https://doi.org/10.1115/GT2021-59495
View Paper titled, Fan Stability With Leading Edge Damage: Blind Prediction and Validation
Click here to open pdf in another window PDF for Fan Stability With Leading Edge Damage: Blind Prediction and Validation
Topics: Damage, Stability, Flow (Dynamics), Engineering simulation, Separation (Technology), Simulation, Stall inception, Supersonic flow, Annulus, Blades
Proceedings Papers

Experimental Investigation of Secondary Flows and Length Reduction for a Low-Pressure Compressor Transition Duct

D. Tsakmakidou, I. Mariah, A. D. Walker, C. Hall, H. Simpson
Proc. ASME. GT2021, Volume 2C: Turbomachinery — Design Methods and CFD Modeling for Turbomachinery; Ducts, Noise, and Component Interactions, V02CT35A005, June 7–11, 2021
Paper No: GT2021-58879
DOI: https://doi.org/10.1115/GT2021-58879
View Paper titled, Experimental Investigation of Secondary Flows and Length Reduction for a Low-Pressure Compressor Transition Duct
Click here to open pdf in another window PDF for Experimental Investigation of Secondary Flows and Length Reduction for a Low-Pressure Compressor Transition Duct
Topics: Compressors, Ducts, Flow (Dynamics), Pressure, Engines, Boundary layers, Carbon dioxide, Design, Fuels, Rotors
Proceedings Papers

Loss Characterization of Advanced VIGV Configurations With Adjustable Blade Geometry

Roman G. Frank, Christian Wacker, Reinhard Niehuis
Proc. ASME. GT2021, Volume 2D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Radial Turbomachinery Aerodynamics; Unsteady Flows in Turbomachinery, V02DT37A002, June 7–11, 2021
Paper No: GT2021-58548
DOI: https://doi.org/10.1115/GT2021-58548
View Paper titled, Loss Characterization of Advanced VIGV Configurations With Adjustable Blade Geometry
Click here to open pdf in another window PDF for Loss Characterization of Advanced VIGV Configurations With Adjustable Blade Geometry
Topics: Blades, Geometry, Flow (Dynamics), Compressors, Cascades (Fluid dynamics), Chords (Trusses), Deflection, Flow separation, Impellers, Inlet guide vanes
Proceedings Papers

Effect of Self-Sustained Pulsation of Coolant Flow on Adiabatic Effectiveness and Net Heat Flux Reduction on a Flat Plate

Nicola Rosafio, Simone Salvadori, Daniela Anna Misul, Mirko Baratta, Mauro Carnevale, Christian Saumweber
Proc. ASME. GT2021, Volume 5A: Heat Transfer — Combustors; Film Cooling, V05AT12A022, June 7–11, 2021
Paper No: GT2021-59663
DOI: https://doi.org/10.1115/GT2021-59663
View Paper titled, Effect of Self-Sustained Pulsation of Coolant Flow on Adiabatic Effectiveness and Net Heat Flux Reduction on a Flat Plate
Click here to open pdf in another window PDF for Effect of Self-Sustained Pulsation of Coolant Flow on Adiabatic Effectiveness and Net Heat Flux Reduction on a Flat Plate
Topics: Coolants, Flat plates, Flow (Dynamics), Heat flux, Cooling, Cooling systems, Film cooling, Computer software, Design, Flow separation
Proceedings Papers

Bio-Inspired High Pressure Turbine Optimization Strategy for Hybrid-Electric Engines Operating at Off-Design

Paht Juangphanich, Guillermo Paniagua, Vikram Shyam
Proc. ASME. GT2020, Volume 5: Controls, Diagnostics, and Instrumentation; Cycle Innovations; Cycle Innovations: Energy Storage, V005T06A015, September 21–25, 2020
Paper No: GT2020-15368
DOI: https://doi.org/10.1115/GT2020-15368
View Paper titled, Bio-Inspired High Pressure Turbine Optimization Strategy for Hybrid-Electric Engines Operating at Off-Design
Click here to open pdf in another window PDF for Bio-Inspired High Pressure Turbine Optimization Strategy for Hybrid-Electric Engines Operating at Off-Design
Topics: Biomimetics, Design, Engines, High pressure (Physics), Optimization, Turbines, Airfoils, Pressure, Reynolds number, Suction
Proceedings Papers

Vibration Analyses of an Axial Turbine Wheel With Intentional Mistuning

Bernd Beirow, Arnold Kühhorn, Robby Weber, Frederik Popig
Proc. ASME. GT2020, Volume 11: Structures and Dynamics: Structural Mechanics, Vibration, and Damping; Supercritical CO2, V011T30A009, September 21–25, 2020
Paper No: GT2020-14468
DOI: https://doi.org/10.1115/GT2020-14468
View Paper titled, Vibration Analyses of an Axial Turbine Wheel With Intentional Mistuning
Click here to open pdf in another window PDF for Vibration Analyses of an Axial Turbine Wheel With Intentional Mistuning
Topics: Blades, Computer simulation, Damping, Design, Disks, Flow (Dynamics), Flow separation, Flutter (Aerodynamics), Genetic algorithms, Manufacturing