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Proceedings Papers

Numerical Investigation on Mitigation of Heat Transfer Deterioration of Supercritical CO2 Flow by Introducing Multiple Turbulators Along Helices in a Circular Tube

Hangfei Duan, Gongnan Xie, Yuan Ma, Shulei Li
Proc. ASME. GT2022, Volume 9: Supercritical CO2, V009T28A031, June 13–17, 2022
Paper No: GT2022-83501
DOI: https://doi.org/10.1115/GT2022-83501
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Topics: Flow (Dynamics), Heat transfer, Supercritical carbon dioxide, Turbulence
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
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Topics: Cooling, Gas turbines, Supercritical carbon dioxide, Surface roughness, Reynolds number, Additive manufacturing, Computational fluid dynamics, Heat transfer, Flow (Dynamics), Fluids
Proceedings Papers

Large Eddy Simulations of a Transonic Airfoil Cascade

Stephan Priebe, Daniel Wilkin, II, Andy Breeze-Stringfellow, Arash Mousavi, Rathakrishnan Bhaskaran, Luke d’Aquila
Proc. ASME. GT2022, Volume 10A: Turbomachinery — Axial Flow Fan and Compressor Aerodynamics, V10AT29A010, June 13–17, 2022
Paper No: GT2022-80683
DOI: https://doi.org/10.1115/GT2022-80683
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Topics: Aerodynamics, Airfoils, Cascades (Fluid dynamics), Large eddy simulation, Shock (Mechanics), Turbulence
Proceedings Papers

Large Eddy Simulation of an Open Rotor Fan Blade

Stephan Priebe, Trevor Wood, Junsok Yi, Arash Mousavi
Proc. ASME. GT2022, Volume 10A: Turbomachinery — Axial Flow Fan and Compressor Aerodynamics, V10AT29A009, June 13–17, 2022
Paper No: GT2022-80538
DOI: https://doi.org/10.1115/GT2022-80538
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Topics: Aerodynamic noise, Blades, Large eddy simulation, Rotors, Turbulence
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
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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
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Topics: Airfoils, Diffusion (Physics), Modeling, Surface roughness, Boundary layer turbulence, Blades, Finishes, Flow (Dynamics), Mach number, Manufacturing
Proceedings Papers

Unsteady Structure of Compressor Tip Leakage Flows

Joshua M. Maynard, Andrew P. S. Wheeler, James V. Taylor, Roger Wells
Proc. ASME. GT2022, Volume 10A: Turbomachinery — Axial Flow Fan and Compressor Aerodynamics, V10AT29A003, June 13–17, 2022
Paper No: GT2022-78371
DOI: https://doi.org/10.1115/GT2022-78371
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Topics: Compressors, Leakage flows, Flow (Dynamics), Blades, Corners (Structural elements), Engineering simulation, Simulation, Turbulence, Unsteady flow, Bubbles
Proceedings Papers

Evolution of Turbulence and Its Modification by Axial Casing Grooves in a Multi-Stage Axial Compressor

Subhra Shankha Koley, Ayush Saraswat, Joseph Katz
Proc. ASME. GT2022, Volume 10A: Turbomachinery — Axial Flow Fan and Compressor Aerodynamics, V10AT29A026, June 13–17, 2022
Paper No: GT2022-82258
DOI: https://doi.org/10.1115/GT2022-82258
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Topics: Compressors, Stress, Turbulence
Proceedings Papers

Low Reynolds Number Effects on the Endwall Flow Field in A High-Lift Turbine Passage

Molly H. Donovan, Markus P. Rumpfkeil, Christopher R. Marks, Zachary Robison, Andreas Gross
Proc. ASME. GT2022, Volume 10B: Turbomachinery — Axial Flow Turbine Aerodynamics; Deposition, Erosion, Fouling, and Icing; Radial Turbomachinery Aerodynamics, V10BT30A010, June 13–17, 2022
Paper No: GT2022-81204
DOI: https://doi.org/10.1115/GT2022-81204
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Topics: Flow (Dynamics), Reynolds number, Turbines, Pressure, Turbine blades, Vortices, Cascades (Fluid dynamics), Junctions, Large eddy simulation, Particulate matter
Proceedings Papers

Predicting and Validating Spatial Distributions of Particulate Deposition in Gas Turbine Components

Jack G. Gaskell, Nikul Vadgama, Florian Y. A. Villain, Simon Beal, Matthew McGilvray, David R. H. Gillespie, Benjamin Littley
Proc. ASME. GT2022, Volume 10B: Turbomachinery — Axial Flow Turbine Aerodynamics; Deposition, Erosion, Fouling, and Icing; Radial Turbomachinery Aerodynamics, V10BT31A004, June 13–17, 2022
Paper No: GT2022-79511
DOI: https://doi.org/10.1115/GT2022-79511
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Topics: Gas turbines, Particulate matter, Computational fluid dynamics, Modeling, Discrete element methods, Turbulence, Cooling, Collisions (Physics), Computer software, Damage
Proceedings Papers

Circulation Budget Analysis of the Leading-Edge Vortex in a Wells Turbine Under Steady Inflow Conditions

Kaihe Geng, Ce Yang, Xinyu He, Chenxing Hu, Hanzhi Zhang, Xin Shi
Proc. ASME. GT2022, Volume 10B: Turbomachinery — Axial Flow Turbine Aerodynamics; Deposition, Erosion, Fouling, and Icing; Radial Turbomachinery Aerodynamics, V10BT30A014, June 13–17, 2022
Paper No: GT2022-81890
DOI: https://doi.org/10.1115/GT2022-81890
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Topics: Inflow, Turbines, Vortices, Wells, Vorticity, Stall inception, Convection, Flow (Dynamics), Rotors, Shear (Mechanics)
Proceedings Papers

Profile Loss Reduction of High Lift Turbine Blades With Rough and Ribbed Surfaces

S. M. Ananth, Massimiliano Nardini, Aditya Vaid, Richard D. Sandberg, Nagabhushana Rao Vadlamani
Proc. ASME. GT2022, Volume 10B: Turbomachinery — Axial Flow Turbine Aerodynamics; Deposition, Erosion, Fouling, and Icing; Radial Turbomachinery Aerodynamics, V10BT30A026, June 13–17, 2022
Paper No: GT2022-82558
DOI: https://doi.org/10.1115/GT2022-82558
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Topics: Surface roughness, Turbine blades, Blades, Turbulence, Boundary layers, Pressure gradient, Separation (Technology), Suction, Boundary layer turbulence, Bubbles
Proceedings Papers

Assessment of RANS Turbulence Models on Simplified Geometries Representative of Turbine Blade Tip Shroud Flow

Fatih Uncu, Benjamin François, Nicolas Buffaz, Sébastien Le Guyader
Proc. ASME. GT2022, Volume 10B: Turbomachinery — Axial Flow Turbine Aerodynamics; Deposition, Erosion, Fouling, and Icing; Radial Turbomachinery Aerodynamics, V10BT30A007, June 13–17, 2022
Paper No: GT2022-80681
DOI: https://doi.org/10.1115/GT2022-80681
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Topics: Flow (Dynamics), Reynolds-averaged Navier–Stokes equations, Turbine blades, Turbulence, Blades, Eddies (Fluid dynamics), Engineering simulation, Kinetic energy, Pressure, Reynolds stress
Proceedings Papers

Numerical Investigation of Particle Deposition in Double Wall Effusion Cooled Systems

Florian Y. A. Villain, Nikul Vadgama, Jack G. Gaskell, Peter T. Ireland, Matthew McGilvray, David R. H. Gillespie
Proc. ASME. GT2022, Volume 10B: Turbomachinery — Axial Flow Turbine Aerodynamics; Deposition, Erosion, Fouling, and Icing; Radial Turbomachinery Aerodynamics, V10BT31A008, June 13–17, 2022
Paper No: GT2022-81157
DOI: https://doi.org/10.1115/GT2022-81157
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Topics: Particulate matter, Cooling, Cooling systems, Blades, Discrete element methods, Dust, Aircraft engines, Computational fluid dynamics, Computer software, Diamonds
Proceedings Papers

High-Fidelity Simulations of the Flow Around T106C Cascade at Low Reynolds Number: The Effects of Freestream Turbulence and Stagger Angle

Antoine Dufau, Julien Marty, Daniel Man, Estelle Piot
Proc. ASME. GT2022, Volume 10B: Turbomachinery — Axial Flow Turbine Aerodynamics; Deposition, Erosion, Fouling, and Icing; Radial Turbomachinery Aerodynamics, V10BT30A017, June 13–17, 2022
Paper No: GT2022-82109
DOI: https://doi.org/10.1115/GT2022-82109
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Topics: Cascades (Fluid dynamics), Flow (Dynamics), Reynolds number, Simulation, Turbulence, Blades, Boundary layers, Pressure, Reynolds-averaged Navier–Stokes equations, Turbines
Proceedings Papers

A Framework for Estimating Effects of Combustor Turbulence on Turbine Profile Loss Generation

Kanika Gakhar, Masha Folk, Edward M. Greitzer, Choon S. Tan
Proc. ASME. GT2022, Volume 10B: Turbomachinery — Axial Flow Turbine Aerodynamics; Deposition, Erosion, Fouling, and Icing; Radial Turbomachinery Aerodynamics, V10BT30A006, June 13–17, 2022
Paper No: GT2022-80607
DOI: https://doi.org/10.1115/GT2022-80607
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Topics: Combustion chambers, Turbines, Turbulence, High pressure (Physics), Energy dissipation, Aircraft engines, Boundary layer turbulence, Boundary layers, Gas turbines, Gates (Closures)
Proceedings Papers

Influence of RANS Turbulent Inlet Set-Up on the Swirled Hot Streak Redistribution in a Simplified Nozzle Guide Vane Passage: Comparisons With Large-Eddy Simulations

Christopher Wingel, Nicolas Binder, Yannick Bousquet, Jean-François Boussuge, Nicolas Buffaz, Sébastien Le Guyader
Proc. ASME. GT2022, Volume 10B: Turbomachinery — Axial Flow Turbine Aerodynamics; Deposition, Erosion, Fouling, and Icing; Radial Turbomachinery Aerodynamics, V10BT30A002, June 13–17, 2022
Paper No: GT2022-78239
DOI: https://doi.org/10.1115/GT2022-78239
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Topics: Large eddy simulation, Nozzle guide vanes, Reynolds-averaged Navier–Stokes equations, Turbulence, High pressure (Physics), Turbines, Combustion chambers, Diffusion (Physics), Temperature, Aerodynamics
Proceedings Papers

High-Order Spectral/hp Compressible and Incompressible Comparison of Transitional Boundary-Layers Subject to a Realistic Pressure Gradient and High Reynolds Number

Guglielmo Vivarelli, João Anderson Isler, Francesco Montomoli, Spencer J. Sherwin, Paolo Adami
Proc. ASME. GT2022, Volume 10C: Turbomachinery — Design Methods and CFD Modeling for Turbomachinery; Ducts, Noise, and Component Interactions, V10CT32A024, June 13–17, 2022
Paper No: GT2022-82100
DOI: https://doi.org/10.1115/GT2022-82100
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Topics: Boundary layers, Pressure gradient, Reynolds number, Flow (Dynamics), Turbulence, Bubbles, Compressibility, Compressible flow, Computer simulation, Cross-flow
Proceedings Papers

Mesh Refinement and Inlet Turbulence Intensity in the Numerical Evaluation of Cooling Effectiveness: A Systematic Study on an Industrial Gas Turbine

Federico Lo Presti, Benjamin Winhart, Pascal Post, Francesca di Mare, Alexander Wiedermann, Johannes Greving, Robert Krewinkel
Proc. ASME. GT2022, Volume 10C: Turbomachinery — Design Methods and CFD Modeling for Turbomachinery; Ducts, Noise, and Component Interactions, V10CT32A010, June 13–17, 2022
Paper No: GT2022-80958
DOI: https://doi.org/10.1115/GT2022-80958
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Topics: Cooling, Industrial gases, Turbines, Turbulence
Proceedings Papers

Design Sensitivity of a 1-1/2 Stage Unshrouded High Work Turbine Using Very-Large Eddy Simulations

Ignacio Gonzalez-Martino
Proc. ASME. GT2022, Volume 10B: Turbomachinery — Axial Flow Turbine Aerodynamics; Deposition, Erosion, Fouling, and Icing; Radial Turbomachinery Aerodynamics, V10BT30A034, June 13–17, 2022
Paper No: GT2022-84281
DOI: https://doi.org/10.1115/GT2022-84281
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Topics: Design, Eddies (Fluid dynamics), Simulation, Turbines, Blades, Pressure, Rotors, Boundary layer turbulence, Computer simulation, Flow (Dynamics)