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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
View Paper titled, Circulation Budget Analysis of the Leading-Edge Vortex in a Wells Turbine Under Steady Inflow Conditions
Click here to open pdf in another window PDF for Circulation Budget Analysis of the Leading-Edge Vortex in a Wells Turbine Under Steady Inflow Conditions
Topics: Inflow, Turbines, Vortices, Wells, Vorticity, Stall inception, Convection, Flow (Dynamics), Rotors, Shear (Mechanics)
Proceedings Papers

Calculating Windage Losses: A Review

Fernando Karg Bulnes, Thomas Kerr, Aaron Rimpel
Proc. ASME. GT2022, Volume 10C: Turbomachinery — Design Methods and CFD Modeling for Turbomachinery; Ducts, Noise, and Component Interactions, V10CT33A016, June 13–17, 2022
Paper No: GT2022-82570
DOI: https://doi.org/10.1115/GT2022-82570
View Paper titled, Calculating Windage Losses: A Review
Click here to open pdf in another window PDF for Calculating Windage Losses: A Review
Topics: Compressors, Density, Drag (Fluid dynamics), Fluids, High pressure (Physics), Machinery, Modeling, Reynolds number, Rotation, Rotors
Proceedings Papers

On the Mode Characteristics of Rotating Instability With Different Tip Clearances

Zeyuan Yang, Lele Ming, Si Wu, Yadong Wu, Jie Tian, Hua Ouyang
Proc. ASME. GT2022, Volume 10D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Turbomachinery General Interest; Unsteady Flows in Turbomachinery, V10DT37A013, June 13–17, 2022
Paper No: GT2022-82072
DOI: https://doi.org/10.1115/GT2022-82072
View Paper titled, On the Mode Characteristics of Rotating Instability With Different Tip Clearances
Click here to open pdf in another window PDF for On the Mode Characteristics of Rotating Instability With Different Tip Clearances
Topics: Blades, Clearances (Engineering), Compressors, Design, Ducts, Flow (Dynamics), Noise (Sound), Pressure, Rotors, Shear (Mechanics)
Proceedings Papers

Vortex-Generators Reduce the Dynamic Axial Forces in the Model of a Steam Turbine Control Valve

Stefan Wallat, Christian Musch, Dieter Brillert
Proc. ASME. GT2022, Volume 2: Coal, Biomass, Hydrogen, and Alternative Fuels; Controls, Diagnostics, and Instrumentation; Steam Turbine, V002T20A007, June 13–17, 2022
Paper No: GT2022-80688
DOI: https://doi.org/10.1115/GT2022-80688
View Paper titled, Vortex-Generators Reduce the Dynamic Axial Forces in the Model of a Steam Turbine Control Valve
Click here to open pdf in another window PDF for Vortex-Generators Reduce the Dynamic Axial Forces in the Model of a Steam Turbine Control Valve
Topics: Generators, Steam turbines, Valves, Vortices, Acoustics, Excitation, Cavities, Flow (Dynamics), Diffusers, Pressure
Proceedings Papers

The Effects of High Centrifugal Acceleration on Bluff-Body Stabilized Premixed Flames

Timothy Erdmann, Ephraim Gutmark, Andrew Caswell
Proc. ASME. GT2022, Volume 3A: Combustion, Fuels, and Emissions, V03AT04A002, June 13–17, 2022
Paper No: GT2022-77975
DOI: https://doi.org/10.1115/GT2022-77975
View Paper titled, The Effects of High Centrifugal Acceleration on Bluff-Body Stabilized Premixed Flames
Click here to open pdf in another window PDF for The Effects of High Centrifugal Acceleration on Bluff-Body Stabilized Premixed Flames
Topics: Flames, Ducts, Flow (Dynamics), Pressure, Reynolds number, Static stability, Wakes, Arches, Pressure measurement, Shear (Mechanics)
Proceedings Papers

Simultaneous Ultra-Small-Angle X-Ray Scattering and X-Ray Transmission Measurements of a Liquid Jet in Crossflow With Film Atomization

Brandon A. Sforzo, Jan Ilavsky, Christopher F. Powell
Proc. ASME. GT2022, Volume 3A: Combustion, Fuels, and Emissions, V03AT04A055, June 13–17, 2022
Paper No: GT2022-82020
DOI: https://doi.org/10.1115/GT2022-82020
View Paper titled, Simultaneous Ultra-Small-Angle X-Ray Scattering and X-Ray Transmission Measurements of a Liquid Jet in Crossflow With Film Atomization
Click here to open pdf in another window PDF for Simultaneous Ultra-Small-Angle X-Ray Scattering and X-Ray Transmission Measurements of a Liquid Jet in Crossflow With Film Atomization
Topics: Electromagnetic scattering, Radiation scattering, Scattering (Physics), X-rays, Drops, Signals, Shear (Mechanics), Flow (Dynamics), Sprays, Air flow
Proceedings Papers

Influence of Pressure Gradient on Flame-Vortex Interaction and Flame Stability

Yagiz Yalcinkaya, Ogeday E. Bozkurt, Ayse G. Gungor
Proc. ASME. GT2022, Volume 3B: Combustion, Fuels, and Emissions, V03BT04A024, June 13–17, 2022
Paper No: GT2022-82517
DOI: https://doi.org/10.1115/GT2022-82517
View Paper titled, Influence of Pressure Gradient on Flame-Vortex Interaction and Flame Stability
Click here to open pdf in another window PDF for Influence of Pressure Gradient on Flame-Vortex Interaction and Flame Stability
Topics: Flames, Pressure gradient, Stability, Vortices, Vorticity, Diffusers, Geometry, Nozzles, Torque, Turbulence
Proceedings Papers

Modeling the Convection of Entropy Waves in Strongly Non-Parallel Turbulent Flows Using a Linearized Framework

Thomas Ludwig Kaiser, Nicolas Noiray, Quentin Male, Kilian Oberleithner
Proc. ASME. GT2022, Volume 3B: Combustion, Fuels, and Emissions, V03BT04A039, June 13–17, 2022
Paper No: GT2022-82971
DOI: https://doi.org/10.1115/GT2022-82971
View Paper titled, Modeling the Convection of Entropy Waves in Strongly Non-Parallel Turbulent Flows Using a Linearized Framework
Click here to open pdf in another window PDF for Modeling the Convection of Entropy Waves in Strongly Non-Parallel Turbulent Flows Using a Linearized Framework
Topics: Convection, Entropy, Modeling, Turbulence, Waves, Flow (Dynamics), Shear (Mechanics), Ducts, Fluctuations (Physics), Combustion chambers
Proceedings Papers

Performance Assessment of Tesla Expander Using 3D Numerical Simulation

Avinash Renuke, Alberto Traverso
Proc. ASME. GT2022, Volume 4: Cycle Innovations; Cycle Innovations: Energy Storage, V004T06A024, June 13–17, 2022
Paper No: GT2022-82690
DOI: https://doi.org/10.1115/GT2022-82690
View Paper titled, Performance Assessment of Tesla Expander Using 3D Numerical Simulation
Click here to open pdf in another window PDF for Performance Assessment of Tesla Expander Using 3D Numerical Simulation
Topics: Computer simulation, Turbines, Flow (Dynamics), Rotors, Disks, Stators, Fluids, Bearings, Computational fluid dynamics, Computer software
Proceedings Papers

The Unsteady Topology of Corner Separations

Ivo Dawkins, James Taylor, Xavier Ottavy, Rob Miller
Proc. ASME. GT2021, Volume 2A: Turbomachinery — Axial Flow Fan and Compressor Aerodynamics, V02AT31A013, June 7–11, 2021
Paper No: GT2021-58730
DOI: https://doi.org/10.1115/GT2021-58730
View Paper titled, The Unsteady Topology of Corner Separations
Click here to open pdf in another window PDF for The Unsteady Topology of Corner Separations
Topics: Corners (Structural elements), Topology, Separation (Technology), Flow (Dynamics), Blades, Annulus, Cascades (Fluid dynamics), Compressors, Convection, Design
Proceedings Papers

High-Fidelity Simulations of a High-Pressure Turbine Stage: Effects of Reynolds Number and Inlet Turbulence

Yaomin Zhao, Richard D. Sandberg
Proc. ASME. GT2021, Volume 2B: Turbomachinery — Axial Flow Turbine Aerodynamics; Deposition, Erosion, Fouling, and Icing, V02BT32A004, June 7–11, 2021
Paper No: GT2021-58995
DOI: https://doi.org/10.1115/GT2021-58995
View Paper titled, High-Fidelity Simulations of a High-Pressure Turbine Stage: Effects of Reynolds Number and Inlet Turbulence
Click here to open pdf in another window PDF for High-Fidelity Simulations of a High-Pressure Turbine Stage: Effects of Reynolds Number and Inlet Turbulence
Topics: Engineering simulation, High pressure (Physics), Reynolds number, Simulation, Turbines, Turbulence, Rotors, Wakes, Blades, Flow (Dynamics)
Proceedings Papers

The Interaction of Purge Flows With Secondary Flow Features in Turbine Center Frames

Marios Patinios, Filippo Merli, Asim Hafizovic, Emil Göttlich
Proc. ASME. GT2021, Volume 2C: Turbomachinery — Design Methods and CFD Modeling for Turbomachinery; Ducts, Noise, and Component Interactions, V02CT35A002, June 7–11, 2021
Paper No: GT2021-58586
DOI: https://doi.org/10.1115/GT2021-58586
View Paper titled, The Interaction of Purge Flows With Secondary Flow Features in Turbine Center Frames
Click here to open pdf in another window PDF for The Interaction of Purge Flows With Secondary Flow Features in Turbine Center Frames
Topics: Flow (Dynamics), Turbines, Vortices, Pressure, Engines, Cavities, Rotors, Aircraft engines, Boundary layers, Design
Proceedings Papers

DDES Numerical Investigations on Coherent Structures in Trailing-Edge Film Cooling Combined With Pressure-Side Film Hole

Xiangtao Xiao, Pei Wang, Qiang Du, Qingzong Xu, Jun Liu
Proc. ASME. GT2021, Volume 5A: Heat Transfer — Combustors; Film Cooling, V05AT12A009, June 7–11, 2021
Paper No: GT2021-59150
DOI: https://doi.org/10.1115/GT2021-59150
View Paper titled, DDES Numerical Investigations on Coherent Structures in Trailing-Edge Film Cooling Combined With Pressure-Side Film Hole
Click here to open pdf in another window PDF for DDES Numerical Investigations on Coherent Structures in Trailing-Edge Film Cooling Combined With Pressure-Side Film Hole
Topics: Delay differential equations, Film cooling, Pressure, Vortices, Coolants, Shear (Mechanics), Design, Flow (Dynamics), Reynolds-averaged Navier–Stokes equations, Temperature
Proceedings Papers

Investigation on Flow Mechanism Driving Heat Transfer Enhancement in a Wide Channel With Staggered Square Pin Fins

Jingtian Duan, Ke Zhang, Jin Xu, Jiang Lei, Junmei Wu
Proc. ASME. GT2021, Volume 5B: Heat Transfer — General Interest; Internal Air Systems; Internal Cooling, V05BT15A021, June 7–11, 2021
Paper No: GT2021-60138
DOI: https://doi.org/10.1115/GT2021-60138
View Paper titled, Investigation on Flow Mechanism Driving Heat Transfer Enhancement in a Wide Channel With Staggered Square Pin Fins
Click here to open pdf in another window PDF for Investigation on Flow Mechanism Driving Heat Transfer Enhancement in a Wide Channel With Staggered Square Pin Fins
Topics: Fins, Flow (Dynamics), Heat transfer, Geometry, Physics, Reynolds number, Liquid crystals, Particulate matter, Shear (Mechanics), Temperature measurement
Proceedings Papers

Life Limiting Aspects of an MI SiC/SiC Ceramic Matrix Composite (CMC) in Interlaminar Shear at Elevated Temperature

S. Kane, A. Stanley, L. Sanchez, D. C. Faucett, S. R. Choi
Proc. ASME. GT2021, Volume 6: Ceramics and Ceramic Composites; Coal, Biomass, Hydrogen, and Alternative Fuels; Microturbines, Turbochargers, and Small Turbomachines, V006T02A009, June 7–11, 2021
Paper No: GT2021-60277
DOI: https://doi.org/10.1115/GT2021-60277
View Paper titled, Life Limiting Aspects of an MI SiC/SiC Ceramic Matrix Composite (CMC) in Interlaminar Shear at Elevated Temperature
Click here to open pdf in another window PDF for Life Limiting Aspects of an MI SiC/SiC Ceramic Matrix Composite (CMC) in Interlaminar Shear at Elevated Temperature
Topics: Ceramic matrix composites, Composite materials, Fatigue, Fracture (Materials), Shear (Mechanics), Silicon carbide ceramics, Temperature
Proceedings Papers

Modal Decomposition and Linear Modeling of Swirl Fluctuations in the Mixing Section of a Model Combustor Based on PIV Data

Jens Satria Müller, Finn Lückoff, Thomas Ludwig Kaiser, Christian Oliver Paschereit, Kilian Oberleithner
Proc. ASME. GT2021, Volume 3A: Combustion, Fuels, and Emissions, V03AT04A021, June 7–11, 2021
Paper No: GT2021-58832
DOI: https://doi.org/10.1115/GT2021-58832
View Paper titled, Modal Decomposition and Linear Modeling of Swirl Fluctuations in the Mixing Section of a Model Combustor Based on PIV Data
Click here to open pdf in another window PDF for Modal Decomposition and Linear Modeling of Swirl Fluctuations in the Mixing Section of a Model Combustor Based on PIV Data
Topics: Combustion chambers, Fluctuations (Physics), Modeling, Flow (Dynamics), Waves, Acoustics, Combustion systems, Flames, Flow instability, Fluid mechanics
Proceedings Papers

Localized Breakup Instabilities for a Liquid Jet in Crossflow

Sheikh Salauddin, Wilmer Flores, Michelle Otero, Kareem Ahmed
Proc. ASME. GT2021, Volume 3B: Combustion, Fuels, and Emissions, V03BT04A004, June 7–11, 2021
Paper No: GT2021-59421
DOI: https://doi.org/10.1115/GT2021-59421
View Paper titled, Localized Breakup Instabilities for a Liquid Jet in Crossflow
Click here to open pdf in another window PDF for Localized Breakup Instabilities for a Liquid Jet in Crossflow
Topics: Aviation, Flow (Dynamics), Fuels, Hydrodynamic stability, Momentum, Nonlinear dynamical systems, Principal component analysis, Rayleigh-Taylor instability, Resolution (Optics), Shear (Mechanics)
Proceedings Papers

Combustion of Hydrogen-Methane-Air-Mixtures in a Generic Triple Swirl Burner: Numerical Studies

Neha Vishnoi, Agustin Valera-Medina, Aditya Saurabh, Lipika Kabiraj
Proc. ASME. GT2021, Volume 3B: Combustion, Fuels, and Emissions, V03BT04A016, June 7–11, 2021
Paper No: GT2021-59744
DOI: https://doi.org/10.1115/GT2021-59744
View Paper titled, Combustion of Hydrogen-Methane-Air-Mixtures in a Generic Triple Swirl Burner: Numerical Studies
Click here to open pdf in another window PDF for Combustion of Hydrogen-Methane-Air-Mixtures in a Generic Triple Swirl Burner: Numerical Studies
Topics: Combustion, Hydrogen, Methane, Nitrogen oxides, Emissions, Flow (Dynamics), Combustion chambers, Fuels, Flames, Simulation
Proceedings Papers

Large Eddy Simulation of Wake-Shear Layer Interactions Over a Multi-Element Aerofoil

Souvik Naskar, S. Sarkar
Proc. ASME. GT2020, Volume 2E: Turbomachinery, V02ET41A001, September 21–25, 2020
Paper No: GT2020-14115
DOI: https://doi.org/10.1115/GT2020-14115
View Paper titled, Large Eddy Simulation of Wake-Shear Layer Interactions Over a Multi-Element Aerofoil
Click here to open pdf in another window PDF for Large Eddy Simulation of Wake-Shear Layer Interactions Over a Multi-Element Aerofoil
Topics: Airfoils, Large eddy simulation, Shear (Mechanics), Wakes
Proceedings Papers

Numerical and Experimental Investigation of the Reynolds Number and Reduced Frequency Effects on Low-Pressure Turbine Airfoils

Marc Bolinches-Gisbert, David Cadrecha, Roque Corral, Fernando Gisbert
Proc. ASME. GT2020, Volume 2E: Turbomachinery, V02ET41A003, September 21–25, 2020
Paper No: GT2020-14224
DOI: https://doi.org/10.1115/GT2020-14224
View Paper titled, Numerical and Experimental Investigation of the Reynolds Number and Reduced Frequency Effects on Low-Pressure Turbine Airfoils
Click here to open pdf in another window PDF for Numerical and Experimental Investigation of the Reynolds Number and Reduced Frequency Effects on Low-Pressure Turbine Airfoils
Topics: Airfoils, Pressure, Reynolds number, Turbines, Cascades (Fluid dynamics), Unsteady flow, Boundary layers, Graphics processing units, Runge-Kutta methods, Shear (Mechanics)