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Proceedings Papers

Averaging for High Fidelity Modelling: Towards Large Eddy Simulations in Multi-Passage Multi-Row Configurations

L. He

Proc. ASME. GT2020, Volume 2C: Turbomachinery, V02CT35A030, September 21–25, 2020

Paper No: GT2020-15157

DOI: https://doi.org/10.1115/GT2020-15157

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Topics: Blades, Computation, Flow (Dynamics), Flow simulation, Large eddy simulation, Modeling, Resolution (Optics), Scalars, Spacetime, Turbomachinery

Proceedings Papers

On the Development of a Synchronized Harmonic Balance Method for Multiple Frequencies and its Application to LPT Flows

Javier Crespo, Jesús Contreras

Proc. ASME. GT2020, Volume 2C: Turbomachinery, V02CT35A025, September 21–25, 2020

Paper No: GT2020-14952

DOI: https://doi.org/10.1115/GT2020-14952

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Topics: Flow (Dynamics), Boundary-value problems, Simulation, Fourier transforms, Interpolation, Robustness, Rotors, Stators, Annulus, Blades

Proceedings Papers

Multi-Scale Parallelised CFD Modelling Towards Resolving Manufacturable Roughness

Marios Kapsis, Li He, Yan Sheng Li, Roger Wells, Omar Valero, Senthil Krishnababu, Gaurav Gupta, Jayanta Kapat, Megan Schaenzer

Proc. ASME. GT2019, Volume 2C: Turbomachinery, V02CT41A012, June 17–21, 2019

Paper No: GT2019-90314

DOI: https://doi.org/10.1115/GT2019-90314

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Topics: Computational fluid dynamics, Modeling, Surface roughness, Flow (Dynamics), Resolution (Optics), Design, Additive manufacturing, Finishes, Simulation, Spacetime

Proceedings Papers

Dynamic Behavior of the Ultra-High Efficiency Gas Turbine Engine, UHEGT, With Stator Internal Combustion

Seyed M. Ghoreyshi, Meinhard T. Schobeiri

Proc. ASME. GT2019, Volume 1: Aircraft Engine; Fans and Blowers; Marine; Honors and Awards, V001T01A010, June 17–21, 2019

Paper No: GT2019-90583

DOI: https://doi.org/10.1115/GT2019-90583

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Topics: Combustion, Gas turbines, Stators, Fuels, Flow (Dynamics), Engines, Fluctuations (Physics), Simulation, Turbines, Compressors

Proceedings Papers

The Influence of Rotor-Wakes on Boundary Layer Development in an Axial Compressor and its Numerical Prediction

Dominik Frieling, Achim Griebel, Lars Wein, Joerg R. Seume, Florian Herbst

Proc. ASME. GT2018, Volume 2A: Turbomachinery, V02AT45A012, June 11–15, 2018

Paper No: GT2018-75631

DOI: https://doi.org/10.1115/GT2018-75631

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Topics: Boundary layers, Compressors, Rotors, Wakes, Engineering simulation, Simulation, Turbulence, Shear stress, Blades, Computer simulation

Proceedings Papers

Evaluation of Integral Turbulence Scale Through the Fan Stage of a Turbofan Using Hot Wire Anemometry and Large Eddy Simulation

Nicolas Odier, Florent Duchaine, Laurent Gicquel, Gabriel Staffelbach, Adrien Thacker, Nicolás García Rosa, Guillaume Dufour, Jens-Dominik Muller

Proc. ASME. GT2018, Volume 2C: Turbomachinery, V02CT42A021, June 11–15, 2018

Paper No: GT2018-75741

DOI: https://doi.org/10.1115/GT2018-75741

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Topics: Large eddy simulation, Turbofans, Turbulence, Wire, Aircraft engines, Fluctuations (Physics), Spacetime, Spectra (Spectroscopy), Stators, Turbomachinery

Proceedings Papers

Experimental Investigation of Periodically Unsteady Wake Impact on the Secondary Flow in a 1.5 Stage Full Annular LPT Cascade With Modified T106 Blading

Martin Sinkwitz, David Engelmann, Ronald Mailach

Proc. ASME. GT2017, Volume 2A: Turbomachinery, V02AT40A024, June 26–30, 2017

Paper No: GT2017-64390

DOI: https://doi.org/10.1115/GT2017-64390

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Topics: Cascades (Fluid dynamics), Flow (Dynamics), Wakes, Stators, Turbines, Blades, Boundary layers, Disks, Flow separation, Pressure

Proceedings Papers

Absolute and Convective Instabilities of a Separated Boundary Layer Near the Leading Edge of an Aerofoil

S. Sarkar, K. S. Jadhav

Proc. ASME. GT2017, Volume 2D: Turbomachinery, V02DT46A031, June 26–30, 2017

Paper No: GT2017-65265

DOI: https://doi.org/10.1115/GT2017-65265

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Topics: Airfoils, Boundary layers, Impulse (Physics), Chords (Trusses), Deflection, Flow (Dynamics), Particulate matter, Reynolds number, Spacetime, Stability

Proceedings Papers

Numerical Analysis of an Alternate Stall in a Radial Vaned Diffuser

E. Benichou, I. Trébinjac

Proc. ASME. GT2016, Volume 2D: Turbomachinery, V02DT42A011, June 13–17, 2016

Paper No: GT2016-56485

DOI: https://doi.org/10.1115/GT2016-56485

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Topics: Diffusers, Numerical analysis, Flow (Dynamics), Simulation, Compressors, Impellers, Computational fluid dynamics, Phase shift, Physics, Reynolds-averaged Navier–Stokes equations

Proceedings Papers

Analysis of the Unsteady Flow in Compressor Cascade With POD Method

Wang Yangang, Li Yue, Chen Junxu

Proc. ASME. GT2016, Volume 2D: Turbomachinery, V02DT44A033, June 13–17, 2016

Paper No: GT2016-57638

DOI: https://doi.org/10.1115/GT2016-57638

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Topics: Cascades (Fluid dynamics), Compressors, Unsteady flow, Flow (Dynamics), Flow separation, Vortices, Errors, Fast Fourier transforms, Gas flow, Pressure gradient

Proceedings Papers

Subsonic Flow Over Open Cavities: Part 1 — Analytical Models and Numerical Investigations

Weidong Shao, Jun Li

Proc. ASME. GT2016, Volume 5A: Heat Transfer, V05AT15A005, June 13–17, 2016

Paper No: GT2016-56414

DOI: https://doi.org/10.1115/GT2016-56414

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Topics: Cavities, Subsonic flow, Oscillations, Acoustics, Boundary layers, Feedback, Fluctuations (Physics), Mach number, Noise (Sound), Resonance

Proceedings Papers

The Numerical Simulation of Multi-Scale Oil Films Using Coupled VOF and Eulerian Thin-Film Models

B. Kakimpa, H. P. Morvan, S. Hibberd

Proc. ASME. GT2016, Volume 1: Aircraft Engine; Fans and Blowers; Marine, V001T01A020, June 13–17, 2016

Paper No: GT2016-56747

DOI: https://doi.org/10.1115/GT2016-56747

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Topics: Computer simulation, Thin films, Resolution (Optics), Film thickness, Flow (Dynamics), Aircraft engines, Bearings, Fluids, Lubrication theory, Modeling

Proceedings Papers

Space-Time Gradient Method for Unsteady Bladerow Interaction: Part II — Further Validation, Clocking and Multi-Disturbance Effect

L. He, J. Yi, P. Adami, L. Capone

Proc. ASME. GT2015, Volume 2C: Turbomachinery, V02CT44A020, June 15–19, 2015

Paper No: GT2015-43156

DOI: https://doi.org/10.1115/GT2015-43156

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Topics: Gradient methods, Spacetime, Rotors, Stators, Blades, Turbines, Modeling, Temperature, Boundary layers, Compressors

Proceedings Papers

Time-Domain Implementation of Higher-Order Non-Reflecting Boundary Conditions for Turbomachinery Applications

Stefan Henninger, Peter Jeschke, Graham Ashcroft, Edmund Kügeler

Proc. ASME. GT2015, Volume 2B: Turbomachinery, V02BT39A016, June 15–19, 2015

Paper No: GT2015-42362

DOI: https://doi.org/10.1115/GT2015-42362

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Topics: Boundary-value problems, Turbomachinery, Blades, Acoustics, Flutter (Aerodynamics), Laplace transforms, Reflection, Approximation, Bessel functions, Contamination

Proceedings Papers

On the Fast Prediction of Open Rotor Tonal Interaction Noise

Mathieu Gruber, Timothée Lonfils, Chloé Dumont, Laurence Vion, Adrien Dubois, Timothy Delteil Mc Williams

Proc. ASME. GT2015, Volume 2B: Turbomachinery, V02BT41A006, June 15–19, 2015

Paper No: GT2015-42579

DOI: https://doi.org/10.1115/GT2015-42579

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Topics: Noise (Sound), Rotors, Design, Acoustics, Blades, Computational fluid dynamics, Radiation (Physics), Engines, Flow (Dynamics), Fluctuations (Physics)

Proceedings Papers

High Order Large Eddy Simulations for a Transonic Turbine Blade Using Hybrid Unstructured Meshes

Yi Lu, W. N. Dawes

Proc. ASME. GT2015, Volume 2C: Turbomachinery, V02CT44A005, June 15–19, 2015

Paper No: GT2015-42283

DOI: https://doi.org/10.1115/GT2015-42283

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Topics: Large eddy simulation, Turbine blades, Shock (Mechanics), Spacetime, Flow (Dynamics), Chain, Engineering simulation, Runge-Kutta methods, Simulation, Unsteady flow

Proceedings Papers

High-Fidelity Simulations of Low-Pressure Turbines: Effect of Flow Coefficient and Reduced Frequency on Losses

V. Michelassi, L. Chen, R. Pichler, R. Sandberg, R. Bhaskaran

Proc. ASME. GT2015, Volume 2C: Turbomachinery, V02CT44A024, June 15–19, 2015

Paper No: GT2015-43429

DOI: https://doi.org/10.1115/GT2015-43429

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Topics: Engineering simulation, Flow (Dynamics), Pressure, Simulation, Turbines, Wakes, Boundary layers, Computer simulation, Blades, Large eddy simulation

Proceedings Papers

Unsteady Aerodynamic Interaction in a Closely-Coupled Turbine Consistent With Contra-Rotation

Michael K. Ooten, Richard J. Anthony, Andrew T. Lethander, John P. Clark

Proc. ASME. GT2015, Volume 2C: Turbomachinery, V02CT44A007, June 15–19, 2015

Paper No: GT2015-42416

DOI: https://doi.org/10.1115/GT2015-42416

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Topics: Rotation, Turbines, Numerical analysis, Blades, Pressure, Annulus, Cascades (Fluid dynamics), Flow (Dynamics), Computational fluid dynamics, Fourier transforms

Proceedings Papers

Space-Time Gradient Method for Unsteady Bladerow Interaction: Part I — Basic Methodology and Verification

J. Yi, L. He

Proc. ASME. GT2015, Volume 2C: Turbomachinery, V02CT44A019, June 15–19, 2015

Paper No: GT2015-43152

DOI: https://doi.org/10.1115/GT2015-43152

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Topics: Gradient methods, Spacetime, Flow (Dynamics), Turbomachinery, Unsteady flow, Annulus, Computers, Design, Modeling, Rotors

Proceedings Papers

Analysis of Time Marching Numerical Methods and Boundary Conditions for Turbomachinery Flow Computation

S. V. Subramanian

Proc. ASME. GT1984, Volume 1: Turbomachinery, V001T01A020, June 4–7, 1984

Paper No: 84-GT-66

DOI: https://doi.org/10.1115/84-GT-66

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Topics: Boundary-value problems, Computation, Flow (Dynamics), Numerical analysis, Turbomachinery, Approximation, Cascades (Fluid dynamics), Compressors, Geometry, Nozzles

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NARROW

Averaging for High Fidelity Modelling: Towards Large Eddy Simulations in Multi-Passage Multi-Row Configurations

On the Development of a Synchronized Harmonic Balance Method for Multiple Frequencies and its Application to LPT Flows

Multi-Scale Parallelised CFD Modelling Towards Resolving Manufacturable Roughness

Dynamic Behavior of the Ultra-High Efficiency Gas Turbine Engine, UHEGT, With Stator Internal Combustion

The Influence of Rotor-Wakes on Boundary Layer Development in an Axial Compressor and its Numerical Prediction

Evaluation of Integral Turbulence Scale Through the Fan Stage of a Turbofan Using Hot Wire Anemometry and Large Eddy Simulation

Experimental Investigation of Periodically Unsteady Wake Impact on the Secondary Flow in a 1.5 Stage Full Annular LPT Cascade With Modified T106 Blading

Absolute and Convective Instabilities of a Separated Boundary Layer Near the Leading Edge of an Aerofoil

Numerical Analysis of an Alternate Stall in a Radial Vaned Diffuser

Analysis of the Unsteady Flow in Compressor Cascade With POD Method

Subsonic Flow Over Open Cavities: Part 1 — Analytical Models and Numerical Investigations

The Numerical Simulation of Multi-Scale Oil Films Using Coupled VOF and Eulerian Thin-Film Models

Space-Time Gradient Method for Unsteady Bladerow Interaction: Part II — Further Validation, Clocking and Multi-Disturbance Effect

Time-Domain Implementation of Higher-Order Non-Reflecting Boundary Conditions for Turbomachinery Applications

On the Fast Prediction of Open Rotor Tonal Interaction Noise

High Order Large Eddy Simulations for a Transonic Turbine Blade Using Hybrid Unstructured Meshes

High-Fidelity Simulations of Low-Pressure Turbines: Effect of Flow Coefficient and Reduced Frequency on Losses

Unsteady Aerodynamic Interaction in a Closely-Coupled Turbine Consistent With Contra-Rotation

Space-Time Gradient Method for Unsteady Bladerow Interaction: Part I — Basic Methodology and Verification

Analysis of Time Marching Numerical Methods and Boundary Conditions for Turbomachinery Flow Computation

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