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Proceedings Papers

An Efficient Unsteady 1-Way Coupling Method of Combustor and Turbine

Jonathan Gründler, Heinz-Peter Schiffer, Knut Lehmann

Proc. ASME. GT2022, Volume 10D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Turbomachinery General Interest; Unsteady Flows in Turbomachinery, V10DT37A003, June 13–17, 2022

Paper No: GT2022-78056

DOI: https://doi.org/10.1115/GT2022-78056

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Topics: Combustion chambers, Turbines, Simulation, Boundary-value problems, Compression, Computational fluid dynamics, Filters, Fourier series, High pressure (Physics), Large eddy simulation

Proceedings Papers

Coupled Time and Passage Spectral Method for an Efficient Resolution of Turbomachinery Far Upstream Wakes

Dingxi Wang, Sen Zhang, Xiuquan Huang, Huang Huang

Proc. ASME. GT2021, Volume 2C: Turbomachinery — Design Methods and CFD Modeling for Turbomachinery; Ducts, Noise, and Component Interactions, V02CT34A029, June 7–11, 2021

Paper No: GT2021-59563

DOI: https://doi.org/10.1115/GT2021-59563

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Topics: Resolution (Optics), Turbomachinery, Wakes, Blades, Flow (Dynamics), Fourier series, Fourier transforms, Numerical analysis

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

Efficient Passage-Spectral Method for Unsteady Flows Under Stall Conditions

David Romera, Roque Corral

Proc. ASME. GT2019, Volume 2C: Turbomachinery, V02CT41A035, June 17–21, 2019

Paper No: GT2019-91661

DOI: https://doi.org/10.1115/GT2019-91661

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Topics: Unsteady flow, Flow (Dynamics), Annulus, Fourier series, Modeling, NASA, Rotors, Blades, Compressors, Leakage

Proceedings Papers

Understanding Unsteady Flow Behaviour in a Low Aspect Ratio Contra-Rotating Axial Fan Under Radially Distorted Inflow

Manas Madasseri Payyappalli, A. M. Pradeep

Proc. ASME. GT2019, Volume 2A: Turbomachinery, V02AT45A003, June 17–21, 2019

Paper No: GT2019-90252

DOI: https://doi.org/10.1115/GT2019-90252

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Topics: Inflow, Unsteady flow, Rotors, Flow (Dynamics), Gas turbines, Engines, Fans, Fourier series, Pressure, Pressure sensors

Proceedings Papers

Effects of Oscillations in the Main Flow on Film Cooling at Various Frequencies at a Low Blowing Ratio

Seung Il Baek, Savas Yavuzkurt

Proc. ASME. GT2018, Volume 5A: Heat Transfer, V05AT12A006, June 11–15, 2018

Paper No: GT2018-75440

DOI: https://doi.org/10.1115/GT2018-75440

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Topics: Film cooling, Flow (Dynamics), Oscillations, Coolants, Gas turbines, Combustion chambers, Heat transfer coefficients, Vortices, Blades, Combustion

Proceedings Papers

Evaluation of Friction Models for Rotor-Rubbing Predictions

Juan C. Jauregui, Jorge A. Saenz, Claudia A. Gonzalez

Proc. ASME. GT2018, Volume 7A: Structures and Dynamics, V07AT33A019, June 11–15, 2018

Paper No: GT2018-76017

DOI: https://doi.org/10.1115/GT2018-76017

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Topics: Friction, Rotors, Damage, Fourier series, Modeling, Stiffness, Turbomachinery, Wavelet transforms

Proceedings Papers

An Investigation on the Static Performance of the Non-Circular Journal Bearing Using Fourier Analysis

Jiale Tian, Baisong Yang, Lie Yu, Jian Zhou

Proc. ASME. GT2018, Volume 7A: Structures and Dynamics, V07AT33A028, June 11–15, 2018

Paper No: GT2018-77210

DOI: https://doi.org/10.1115/GT2018-77210

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Topics: Fourier analysis, Journal bearings, Bearings, Rotors, Design, Film thickness, Fourier series, Pressure, Stress, Bearing design

Proceedings Papers

Periodicity and Stability in Transverse Motion of a Nonlinear Rotor-Bearing System Using Generalized Harmonic Balance Method

Zhiwei Liu, Yuefang Wang

Proc. ASME. GT2016, Volume 7A: Structures and Dynamics, V07AT30A001, June 13–17, 2016

Paper No: GT2016-56269

DOI: https://doi.org/10.1115/GT2016-56269

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Topics: Bearings, Rotors, Stability, Bifurcation, Stress, Vibration, Whirls, Eigenvalues, Fourier series, Lubricating oils

Proceedings Papers

The Determination of Fan Blade Aerodynamic Loading From a Measured Response

Jacques Muiyser, Daniel N. J. Els, Sybrand J. van der Spuy, Albert Zapke

Proc. ASME. GT2015, Volume 1: Aircraft Engine; Fans and Blowers; Marine, V001T09A010, June 15–19, 2015

Paper No: GT2015-43010

DOI: https://doi.org/10.1115/GT2015-43010

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Topics: Blades, Algorithms, Aerodynamics, Fluid-dynamic forces, Cantilever beams, Degrees of freedom, Excitation, Fans, Fourier series, Strain gages

Proceedings Papers

Adaptation of Phase-Lagged Boundary Conditions to Large-Eddy Simulation in Turbomachinery Configurations

Gaelle Mouret, Nicolas Gourdain, Lionel Castillon

Proc. ASME. GT2015, Volume 2B: Turbomachinery, V02BT39A018, June 15–19, 2015

Paper No: GT2015-42516

DOI: https://doi.org/10.1115/GT2015-42516

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Topics: Boundary-value problems, Large eddy simulation, Turbomachinery, Flow (Dynamics), Engineering simulation, Simulation, Circular cylinders, Compression, Compressors, Fourier series

Proceedings Papers

Theoretical Study of Flow Instabilities and Inlet Distortions in Axial Compressors

P. Ferrand, J. Chauvin

Proc. ASME. GT1981, Volume 1: Aircraft Engine; Marine; Turbomachinery; Microturbines and Small Turbomachinery, V001T03A040, March 9–12, 1981

Paper No: 81-GT-211

DOI: https://doi.org/10.1115/81-GT-211

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Topics: Compressors, Flow instability, Evaluation methods, Flow (Dynamics), Fourier series, Laplace transforms, Servomechanisms, Space, Stability, Surges

Proceedings Papers

Interaction of Upstream Flow Distortions With High Number Cascades

G. W. Englert

Proc. ASME. GT1982, Volume 1: Turbomachinery, V001T01A057, April 18–22, 1982

Paper No: 82-GT-137

DOI: https://doi.org/10.1115/82-GT-137

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Topics: Flow (Dynamics), Cascades (Fluid dynamics), Annulus, Blades, Compressors, Fans, Fourier series, Mach number, Shock (Mechanics), Wakes

Proceedings Papers

Rotational Noise Analysis and Prediction for an Axial Fan With Unequal Blade Pitches

S. Akaike, K. Kikuyama, M. Kitada, K. Kuwayama

Proc. ASME. GT1994, Volume 1: Turbomachinery, V001T01A118, June 13–16, 1994

Paper No: 94-GT-356

DOI: https://doi.org/10.1115/94-GT-356

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Topics: Blades, Noise (Sound), Pressure, Concretes, Fourier series

Proceedings Papers

Comparison Between Complete Hilbert Transform and Simplified Solutions of the Moore Rotating Stall Model

Gianmario L. Arnulfi, Fabio L. Ghiglino, Aristide F. Massardo

Proc. ASME. GT1996, Volume 1: Turbomachinery, V001T01A045, June 10–13, 1996

Paper No: 96-GT-140

DOI: https://doi.org/10.1115/96-GT-140

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Topics: Axial flow, Compressors, Design, Flow (Dynamics), Fourier series, Numerical stability, Optimization

Proceedings Papers

Nonlinear Separated Inviscid–Viscous Analysis of Oscillating Cascade Aerodynamics Using an Inverse Integral Method

James M. Wolff, Sanford Fleeter

Proc. ASME. GT1997, Volume 4: Manufacturing Materials and Metallurgy; Ceramics; Structures and Dynamics; Controls, Diagnostics and Instrumentation; Education; IGTI Scholar Award, V004T14A015, June 2–5, 1997

Paper No: 97-GT-085

DOI: https://doi.org/10.1115/97-GT-085

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Topics: Aerodynamics, Cascades (Fluid dynamics), Airfoils, Boundary-value problems, Unsteady flow, Boundary layer turbulence, Boundary layers, Composite materials, Flat plates, Flow (Dynamics)

Proceedings Papers

Negative Stiffness Coefficients for Magnetic Actuators Using Laplace’s Equation

Lyndon S. Stephens, Mark A. Casemore

Proc. ASME. GT1999, Volume 4: Manufacturing Materials and Metallurgy; Ceramics; Structures and Dynamics; Controls, Diagnostics and Instrumentation; Education; IGTI Scholar Award; General, V004T03A018, June 7–10, 1999

Paper No: 99-GT-179

DOI: https://doi.org/10.1115/99-GT-179

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Topics: Actuators, Laplace equations, Stiffness, Boundary-value problems, Magnetic bearings, Aircraft engines, Fourier series, Gas turbines, Magnetic fields, Rolling bearings

Proceedings Papers

The Effect of Slot Length on Flux Distribution and Rotordynamic Coefficients in Magnetic Actuators Using a Boundary Perturbation Method

Lyndon S. Stephens, Mark A. Casemore

Proc. ASME. GT2000, Volume 4: Manufacturing Materials and Metallurgy; Ceramics; Structures and Dynamics; Controls, Diagnostics and Instrumentation; Education, V004T03A055, May 8–11, 2000

Paper No: 2000-GT-0413

DOI: https://doi.org/10.1115/2000-GT-0413

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Topics: Actuators, Permanent magnets, Stiffness, Annulus, Boundary-value problems, Finite element model, Fourier series, Stators

Proceedings Papers

An Analysis of the Spatial Fluctuations at the Stator-Rotor Interface in a Transonic Turbine

Stanislas Callot, Pascal Ferrand

Proc. ASME. GT2001, Volume 1: Aircraft Engine; Marine; Turbomachinery; Microturbines and Small Turbomachinery, V001T03A012, June 4–7, 2001

Paper No: 2001-GT-0308

DOI: https://doi.org/10.1115/2001-GT-0308

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Topics: Fluctuations (Physics), Rotors, Stators, Turbines, Spin (Aerodynamics), Spinning (Textile), Signals, Approximation, Computation, Computer simulation

Proceedings Papers

Prediction of Flutter and Inlet Distortion Driven Response of a Transonic Fan Rotor Using Phase-Lagged Boundary Conditions

H. D. Li, L. He

Proc. ASME. GT2001, Volume 4: Manufacturing Materials and Metallurgy; Ceramics; Structures and Dynamics; Controls, Diagnostics and Instrumentation; Education; IGTI Scholar Award, V004T03A035, June 4–7, 2001

Paper No: 2001-GT-0272

DOI: https://doi.org/10.1115/2001-GT-0272

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Topics: Boundary-value problems, Flutter (Aerodynamics), Rotors, Blades, Flow (Dynamics), Shapes, Turbomachinery, Annulus, Computation, Design

NARROW

An Efficient Unsteady 1-Way Coupling Method of Combustor and Turbine

Coupled Time and Passage Spectral Method for an Efficient Resolution of Turbomachinery Far Upstream Wakes

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

Efficient Passage-Spectral Method for Unsteady Flows Under Stall Conditions

Understanding Unsteady Flow Behaviour in a Low Aspect Ratio Contra-Rotating Axial Fan Under Radially Distorted Inflow

Effects of Oscillations in the Main Flow on Film Cooling at Various Frequencies at a Low Blowing Ratio

Evaluation of Friction Models for Rotor-Rubbing Predictions

An Investigation on the Static Performance of the Non-Circular Journal Bearing Using Fourier Analysis

Periodicity and Stability in Transverse Motion of a Nonlinear Rotor-Bearing System Using Generalized Harmonic Balance Method

The Determination of Fan Blade Aerodynamic Loading From a Measured Response

Adaptation of Phase-Lagged Boundary Conditions to Large-Eddy Simulation in Turbomachinery Configurations

Theoretical Study of Flow Instabilities and Inlet Distortions in Axial Compressors

Interaction of Upstream Flow Distortions With High Number Cascades

Rotational Noise Analysis and Prediction for an Axial Fan With Unequal Blade Pitches

Comparison Between Complete Hilbert Transform and Simplified Solutions of the Moore Rotating Stall Model

Nonlinear Separated Inviscid–Viscous Analysis of Oscillating Cascade Aerodynamics Using an Inverse Integral Method

Negative Stiffness Coefficients for Magnetic Actuators Using Laplace’s Equation

The Effect of Slot Length on Flux Distribution and Rotordynamic Coefficients in Magnetic Actuators Using a Boundary Perturbation Method

An Analysis of the Spatial Fluctuations at the Stator-Rotor Interface in a Transonic Turbine

Prediction of Flutter and Inlet Distortion Driven Response of a Transonic Fan Rotor Using Phase-Lagged Boundary Conditions

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