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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
View Paper titled, An Efficient Unsteady 1-Way Coupling Method of Combustor and Turbine
Click here to open pdf in another window PDF for An Efficient Unsteady 1-Way Coupling Method of Combustor and Turbine
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
View Paper titled, Coupled Time and Passage Spectral Method for an Efficient Resolution of Turbomachinery Far Upstream Wakes
Click here to open pdf in another window PDF for Coupled Time and Passage Spectral Method for an Efficient Resolution of Turbomachinery Far Upstream Wakes
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
View Paper titled, A Numerical Study on the Effects of Acoustic Forcing on Fuel Spray Dynamics in Gas Turbines
Click here to open pdf in another window PDF for A Numerical Study on the Effects of Acoustic Forcing on Fuel Spray Dynamics in Gas Turbines
Topics: Acoustics, Dynamics (Mechanics), Fuels, Gas turbines, Sprays, Drops, Ejectors, Fluctuations (Physics), Principal component analysis, Aircraft engines
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
View Paper titled, Understanding Unsteady Flow Behaviour in a Low Aspect Ratio Contra-Rotating Axial Fan Under Radially Distorted Inflow
Click here to open pdf in another window PDF for Understanding Unsteady Flow Behaviour in a Low Aspect Ratio Contra-Rotating Axial Fan Under Radially Distorted Inflow
Topics: Inflow, Unsteady flow, Rotors, Flow (Dynamics), Gas turbines, Engines, Fans, Fourier series, Pressure, Pressure sensors
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
View Paper titled, Efficient Passage-Spectral Method for Unsteady Flows Under Stall Conditions
Click here to open pdf in another window PDF for Efficient Passage-Spectral Method for Unsteady Flows Under Stall Conditions
Topics: Unsteady flow, Flow (Dynamics), Annulus, Fourier series, Modeling, NASA, Rotors, Blades, Compressors, Leakage
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
View Paper titled, Evaluation of Friction Models for Rotor-Rubbing Predictions
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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
View Paper titled, An Investigation on the Static Performance of the Non-Circular Journal Bearing Using Fourier Analysis
Click here to open pdf in another window PDF for An Investigation on the Static Performance of the Non-Circular Journal Bearing Using Fourier Analysis
Topics: Fourier analysis, Journal bearings, Bearings, Rotors, Design, Film thickness, Fourier series, Pressure, Stress, Bearing design
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
View Paper titled, Effects of Oscillations in the Main Flow on Film Cooling at Various Frequencies at a Low Blowing Ratio
Click here to open pdf in another window PDF for Effects of Oscillations in the Main Flow on Film Cooling at Various Frequencies at a Low Blowing Ratio
Topics: Film cooling, Flow (Dynamics), Oscillations, Coolants, Gas turbines, Combustion chambers, Heat transfer coefficients, Vortices, Blades, Combustion
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
View Paper titled, Periodicity and Stability in Transverse Motion of a Nonlinear Rotor-Bearing System Using Generalized Harmonic Balance Method
Click here to open pdf in another window PDF for Periodicity and Stability in Transverse Motion of a Nonlinear Rotor-Bearing System Using Generalized Harmonic Balance Method
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
View Paper titled, The Determination of Fan Blade Aerodynamic Loading From a Measured Response
Click here to open pdf in another window PDF for The Determination of Fan Blade Aerodynamic Loading From a Measured Response
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
View Paper titled, Adaptation of Phase-Lagged Boundary Conditions to Large-Eddy Simulation in Turbomachinery Configurations
Click here to open pdf in another window PDF for Adaptation of Phase-Lagged Boundary Conditions to Large-Eddy Simulation in Turbomachinery Configurations
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
View Paper titled, Theoretical Study of Flow Instabilities and Inlet Distortions in Axial Compressors
Click here to open pdf in another window PDF for Theoretical Study of Flow Instabilities and Inlet Distortions in Axial Compressors
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
View Paper titled, Interaction of Upstream Flow Distortions With High Number Cascades
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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
View Paper titled, Rotational Noise Analysis and Prediction for an Axial Fan With Unequal Blade Pitches
Click here to open pdf in another window PDF for Rotational Noise Analysis and Prediction for an Axial Fan With Unequal Blade Pitches
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
View Paper titled, Comparison Between Complete Hilbert Transform and Simplified Solutions of the Moore Rotating Stall Model
Click here to open pdf in another window PDF for Comparison Between Complete Hilbert Transform and Simplified Solutions of the Moore Rotating Stall Model
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
View Paper titled, Nonlinear Separated Inviscid–Viscous Analysis of Oscillating Cascade Aerodynamics Using an Inverse Integral Method
Click here to open pdf in another window PDF for Nonlinear Separated Inviscid–Viscous Analysis of Oscillating Cascade Aerodynamics Using an Inverse Integral Method
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
View Paper titled, Negative Stiffness Coefficients for Magnetic Actuators Using Laplace’s Equation
Click here to open pdf in another window PDF for Negative Stiffness Coefficients for Magnetic Actuators Using Laplace’s Equation
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
View Paper titled, The Effect of Slot Length on Flux Distribution and Rotordynamic Coefficients in Magnetic Actuators Using a Boundary Perturbation Method
Click here to open pdf in another window PDF for The Effect of Slot Length on Flux Distribution and Rotordynamic Coefficients in Magnetic Actuators Using a Boundary Perturbation Method
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
View Paper titled, An Analysis of the Spatial Fluctuations at the Stator-Rotor Interface in a Transonic Turbine
Click here to open pdf in another window PDF for An Analysis of the Spatial Fluctuations at the Stator-Rotor Interface in a Transonic Turbine
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
View Paper titled, Prediction of Flutter and Inlet Distortion Driven Response of a Transonic Fan Rotor Using Phase-Lagged Boundary Conditions
Click here to open pdf in another window PDF for Prediction of Flutter and Inlet Distortion Driven Response of a Transonic Fan Rotor Using Phase-Lagged Boundary Conditions
Topics: Boundary-value problems, Flutter (Aerodynamics), Rotors, Blades, Flow (Dynamics), Shapes, Turbomachinery, Annulus, Computation, Design