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Proceedings Papers

Impact of Swirling Entropy Waves on a High Pressure Turbine

Proc. ASME. GT2021, Volume 2D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Radial Turbomachinery Aerodynamics; Unsteady Flows in Turbomachinery, V02DT39A009, June 7–11, 2021

Paper No: GT2021-59598

DOI: https://doi.org/10.1115/GT2021-59598

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Topics: Entropy, High pressure (Physics), Swirling flow, Turbines, Waves, Combustion chambers, Stators, Rotors, Temperature, Aerodynamic flow

Proceedings Papers

Amplitude-Dependent Damping and Driving Rates of High-Frequency Thermoacoustic Oscillations in a Lab-Scale Lean-Premixed Gas Turbine Combustor

Thomas Hofmeister, Thomas Sattelmayer

Proc. ASME. GT2021, Volume 3A: Combustion, Fuels, and Emissions, V03AT04A004, June 7–11, 2021

Paper No: GT2021-58456

DOI: https://doi.org/10.1115/GT2021-58456

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Topics: Combustion chambers, Damping, Gas turbines, Oscillations, Flow (Dynamics), Acoustics, Computational fluid dynamics, Engineering simulation, Flames, Simulation

Proceedings Papers

Impact of a Centrebody on the Unsteady Flow Dynamics of A Swirl Nozzle: Intermittency of PVC Oscillations

Saarthak Gupta, Santosh Hemchandra, Masayasu Shimura, Santosh Shanbhogue, Ahmed Ghoniem

Proc. ASME. GT2021, Volume 3A: Combustion, Fuels, and Emissions, V03AT04A003, June 7–11, 2021

Paper No: GT2021-58358

DOI: https://doi.org/10.1115/GT2021-58358

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Topics: Dynamics (Mechanics), Nozzles, Oscillations, Unsteady flow, Flow (Dynamics), Vortices, Bubbles, Combustion chambers, Turbulence, Emissions

Proceedings Papers

The Effect of Inlet Conditions on Turbine Endwall Loss

John D. Coull, Christopher J. Clark

Proc. ASME. GT2021, Volume 2B: Turbomachinery — Axial Flow Turbine Aerodynamics; Deposition, Erosion, Fouling, and Icing, V02BT32A011, June 7–11, 2021

Paper No: GT2021-59694

DOI: https://doi.org/10.1115/GT2021-59694

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Topics: Turbines, Vorticity, Blades, Boundary layers, Boundary-value problems, Design, Displacement, Energy dissipation, Flow (Dynamics), Kinetic energy

Proceedings Papers

Analysis of Swirl Number Effects on Effusion Flow Behaviour Using Time Resolved PIV

T. Lenzi, A. Picchi, A. Andreini, B. Facchini

Proc. ASME. GT2021, Volume 5A: Heat Transfer — Combustors; Film Cooling, V05AT11A001, June 7–11, 2021

Paper No: GT2021-59217

DOI: https://doi.org/10.1115/GT2021-59217

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Topics: Flow (Dynamics), Tin, Cooling, Swirling flow, Combustion chambers, Jets, Momentum, Turbulence, Coolants, Cooling systems

Proceedings Papers

A New Multi-Stage Turbine Stator Design for Improved Performance Retention

Heather K. Jameson, John P. Longley

Proc. ASME. GT2020, Volume 2B: Turbomachinery, V02BT33A006, September 21–25, 2020

Paper No: GT2020-14407

DOI: https://doi.org/10.1115/GT2020-14407

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Topics: Design, Stators, Turbines, Vortices, Rotors, Cavities, Flow (Dynamics), Leakage, Leakage flows, Separation (Technology)

Proceedings Papers

Prediction of Tip Leakage Vortex Dynamics in an Axial Compressor Cascade Using RANS Analyses

Martina Ricci, Roberto Pacciani, Michele Marconcini, Andrea Arnone

Proc. ASME. GT2020, Volume 2C: Turbomachinery, V02CT35A021, September 21–25, 2020

Paper No: GT2020-14797

DOI: https://doi.org/10.1115/GT2020-14797

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Topics: Cascades (Fluid dynamics), Compressors, Dynamics (Mechanics), Leakage, Reynolds-averaged Navier–Stokes equations, Vortices, Blades, Design, Flow (Dynamics), Turbulence

Proceedings Papers

A Comparison of VOF and Euler-Euler Approaches in CFD Modelling of Two-Phase Flows With a Sharp Interface

Luc Bertolotti, Richard Jefferson-Loveday, Stephen Ambrose, Evgenia Korsukova

Proc. ASME. GT2020, Volume 2C: Turbomachinery, V02CT35A018, September 21–25, 2020

Paper No: GT2020-14681

DOI: https://doi.org/10.1115/GT2020-14681

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Topics: Computational fluid dynamics, Modeling, Two-phase flow, Bearings, Flow (Dynamics), Shear flow, Fluids, Momentum, Reynolds-averaged Navier–Stokes equations, Water

Proceedings Papers

On the Formulation of Nonreflecting Boundary Conditions for Turbomachinery Configurations: Part II — Application and Analysis

Nina Wolfrum, Patrick Bechlars, Maximilian Beck, Christian Frey, Daniel Schlüß

Proc. ASME. GT2020, Volume 2C: Turbomachinery, V02CT35A037, September 21–25, 2020

Paper No: GT2020-15358

DOI: https://doi.org/10.1115/GT2020-15358

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Topics: Boundary-value problems, Turbomachinery, Flow (Dynamics), Waves, Algorithms, Computational fluid dynamics, Acoustics, Blades, Computation, Design

Proceedings Papers

A Numerical Study on the Effects of Acoustic Forcing on Fuel Spray Dynamics in Gas Turbines

Nicholas C. W. Treleaven, Andrew Garmory, Gary J. Page

Proc. ASME. GT2020, Volume 4A: Combustion, Fuels, and Emissions, V04AT04A009, September 21–25, 2020

Paper No: GT2020-14238

DOI: https://doi.org/10.1115/GT2020-14238

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Topics: Acoustics, Dynamics (Mechanics), Fuels, Gas turbines, Sprays, Drops, Ejectors, Fluctuations (Physics), Principal component analysis, Aircraft engines

Proceedings Papers

Experimental Drag and Mixing From Lobed Nozzles Under High Swirl Conditions From a Ducted Fan

Maverick Zawislak, Michael Birk

Proc. ASME. GT2020, Volume 1: Aircraft Engine; Fans and Blowers, V001T01A026, September 21–25, 2020

Paper No: GT2020-15211

DOI: https://doi.org/10.1115/GT2020-15211

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Topics: Drag (Fluid dynamics), Nozzles, Vorticity, Thrust, Flow (Dynamics), Vortices, Computational fluid dynamics, Design methodology, Cooling, Design

Proceedings Papers

Numerical Assessment of Density Ratio and Mainstream Turbulence Effects on Leading Edge Film Cooling: Heat and Mass Transfer Methods

S. Ravelli, H. Abdeh, G. Barigozzi

Proc. ASME. GT2020, Volume 7B: Heat Transfer, V07BT12A001, September 21–25, 2020

Paper No: GT2020-14009

DOI: https://doi.org/10.1115/GT2020-14009

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Topics: Density, Film cooling, Heat, Mass transfer, Turbulence, Delay differential equations, Coolants, Engines, Flow (Dynamics), Databases

Proceedings Papers

Quantitative Flow Imaging of Film Cooling Jets in a Cross-Flow Using Particle Image Velocimetry and Computational Fluid Dynamics

Robin G. Brakmann, Robin Schöffler, Frank Kocian, Michael Schroll, Christian Willert, Martin Müller, Edmund Kügeler

Proc. ASME. GT2020, Volume 7B: Heat Transfer, V07BT12A069, September 21–25, 2020

Paper No: GT2020-16141

DOI: https://doi.org/10.1115/GT2020-16141

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Topics: Computational fluid dynamics, Cross-flow, Film cooling, Flow (Dynamics), Imaging, Jets, Particulate matter, Turbulence, Algebra, Computer simulation

Proceedings Papers

Improvement of Steam Turbine Blade Foil With Biomimetic Design and its Influence on Aerodynamic Performance

Fan Wu, Danmei Xie, Jing Zhang, Hengliang Zhang, Chun Wang

Proc. ASME. GT2019, Volume 8: Microturbines, Turbochargers, and Small Turbomachines; Steam Turbines, V008T29A022, June 17–21, 2019

Paper No: GT2019-91128

DOI: https://doi.org/10.1115/GT2019-91128

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Topics: Biomimetics, Blades, Design, Steam turbines, Flow (Dynamics), Bionics, Shapes, Torque, Vortices, Stress

Proceedings Papers

Effects of High Heating Loads on Unsteady Flow and Heat Transfer in a Cooling Passage With a Staggered Array of Pin Fins

Chien-Shing Lee, Tom I.-P. Shih, Kenneth M. Bryden, Richard A. Dennis

Proc. ASME. GT2019, Volume 5A: Heat Transfer, V05AT11A007, June 17–21, 2019

Paper No: GT2019-90567

DOI: https://doi.org/10.1115/GT2019-90567

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Topics: Cooling, Fins, Heat transfer, Heating, Stress, Unsteady flow, Heat, Ducts, Flow (Dynamics), Temperature

Proceedings Papers

Large-Eddy Simulation of Shaped Hole Film Cooling With the Influence of Cross Flow

Qingsong Wang, Yifei Li, Xiutao Bian, Xinrong Su, Xin Yuan

Proc. ASME. GT2019, Volume 5A: Heat Transfer, V05AT12A005, June 17–21, 2019

Paper No: GT2019-90180

DOI: https://doi.org/10.1115/GT2019-90180

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Topics: Cross-flow, Film cooling, Large eddy simulation, Vortices, Cooling, Turbine blades, Coolants, Flow (Dynamics), Pressure, Vorticity

Proceedings Papers

Active Control of Unsteady Cavitating Flows in Turbomachinery

Maria Grazia De Giorgi, Antonio Ficarella, Donato Fontanarosa

Proc. ASME. GT2019, Volume 2A: Turbomachinery, V02AT45A027, June 17–21, 2019

Paper No: GT2019-92041

DOI: https://doi.org/10.1115/GT2019-92041

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Topics: Flow (Dynamics), Turbomachinery, Cavities, Vapors, Dynamics (Mechanics), Vorticity, Cavitation, Hydrofoil, Pressure, Actuators

Proceedings Papers

Modelling and Design of LPC Components With Semi-Analytical Models: Part I — Model Formulation and Validation

Luca di Mare, Mauro Carnevale, Max E. Rife, Davendu Kulkarni, Richard Northall

Proc. ASME. GT2019, Volume 2B: Turbomachinery, V02BT42A002, June 17–21, 2019

Paper No: GT2019-90479

DOI: https://doi.org/10.1115/GT2019-90479

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Topics: Design, Modeling, Engines, Computational fluid dynamics, Flow (Dynamics), Wavelength, Commercial air transport, Turbofans, Compression, Computation

Proceedings Papers

A Novel Vortex Identification Technique Applied to the 3D Flow Field of a High-Pressure Turbine

Marek Pátý, Sergio Lavagnoli

Proc. ASME. GT2019, Volume 2B: Turbomachinery, V02BT40A009, June 17–21, 2019

Paper No: GT2019-90462

DOI: https://doi.org/10.1115/GT2019-90462

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Topics: Flow (Dynamics), High pressure (Physics), Turbines, Vortices, Shear (Mechanics), Vorticity, Blades, Tensors, Turbomachinery, Computation

Proceedings Papers

Improving Steady CFD to Capture the Effects of Radial Mixing in Axial Compressors

Lorenzo Cozzi, Filippo Rubechini, Andrea Arnone, Andrea Schneider, Pio Astrua

Proc. ASME. GT2019, Volume 2C: Turbomachinery, V02CT41A016, June 17–21, 2019

Paper No: GT2019-90363

DOI: https://doi.org/10.1115/GT2019-90363

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Topics: Compressors, Computational fluid dynamics, Flow (Dynamics), Simulation, Blades, Convection, Performance, Reynolds-averaged Navier–Stokes equations, Steady state, Vorticity

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NARROW

Impact of Swirling Entropy Waves on a High Pressure Turbine

Amplitude-Dependent Damping and Driving Rates of High-Frequency Thermoacoustic Oscillations in a Lab-Scale Lean-Premixed Gas Turbine Combustor

Impact of a Centrebody on the Unsteady Flow Dynamics of A Swirl Nozzle: Intermittency of PVC Oscillations

The Effect of Inlet Conditions on Turbine Endwall Loss

Analysis of Swirl Number Effects on Effusion Flow Behaviour Using Time Resolved PIV

A New Multi-Stage Turbine Stator Design for Improved Performance Retention

Prediction of Tip Leakage Vortex Dynamics in an Axial Compressor Cascade Using RANS Analyses

A Comparison of VOF and Euler-Euler Approaches in CFD Modelling of Two-Phase Flows With a Sharp Interface

On the Formulation of Nonreflecting Boundary Conditions for Turbomachinery Configurations: Part II — Application and Analysis

A Numerical Study on the Effects of Acoustic Forcing on Fuel Spray Dynamics in Gas Turbines

Experimental Drag and Mixing From Lobed Nozzles Under High Swirl Conditions From a Ducted Fan

Numerical Assessment of Density Ratio and Mainstream Turbulence Effects on Leading Edge Film Cooling: Heat and Mass Transfer Methods

Quantitative Flow Imaging of Film Cooling Jets in a Cross-Flow Using Particle Image Velocimetry and Computational Fluid Dynamics

Improvement of Steam Turbine Blade Foil With Biomimetic Design and its Influence on Aerodynamic Performance

Effects of High Heating Loads on Unsteady Flow and Heat Transfer in a Cooling Passage With a Staggered Array of Pin Fins

Large-Eddy Simulation of Shaped Hole Film Cooling With the Influence of Cross Flow

Active Control of Unsteady Cavitating Flows in Turbomachinery

Modelling and Design of LPC Components With Semi-Analytical Models: Part I — Model Formulation and Validation

A Novel Vortex Identification Technique Applied to the 3D Flow Field of a High-Pressure Turbine

Improving Steady CFD to Capture the Effects of Radial Mixing in Axial Compressors

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