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Journal Articles

Study of the Effect of the Scatter of Acoustic Modes on Turbine Flutter

Juan Manuel Gallardo, Adrián Sotillo, Óscar Bermejo

J. Turbomach. October 2019, 141(10): 101010.

Paper No: TURBO-18-1306

DOI: https://doi.org/10.1115/1.4043909

Published Online: September 30, 2019

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Topics: Acoustics, Flutter (Aerodynamics), Waves, Simulation, Reflection, Electromagnetic scattering, Turbines

Proceedings Papers

Study of the Impact of Multi-Row Interaction on Flutter Analysis for a Representative LPT Geometry

Adrian Sotillo, Juan Manuel Gallardo

Proc. ASME. GT2018, Volume 7C: Structures and Dynamics, V07CT36A011, June 11–15, 2018

Paper No: GT2018-75762

DOI: https://doi.org/10.1115/GT2018-75762

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Topics: Flutter (Aerodynamics), Geometry, Blades, Acoustics, Spin (Aerodynamics), Spinning (Textile), Computation, Computational fluid dynamics, Damping, Engineering simulation

Proceedings Papers

Conceptual Analysis of the Non-Linear Forced Response of Aerodynamically Unstable Bladed-Discs

Roque Corral, Juan Manuel Gallardo, Rahul Ivaturi

Proc. ASME. GT2013, Volume 7A: Structures and Dynamics, V07AT32A001, June 3–7, 2013

Paper No: GT2013-94851

DOI: https://doi.org/10.1115/GT2013-94851

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Topics: Disks, Excitation, Friction, Vibration, Flutter (Aerodynamics), Blades, Energy dissipation, Engines, Limit cycles, Springs

Proceedings Papers

Non-Linear Dynamics of Multi-Mode Unstable Bladed-Disks: Part I—Description of a Canonical Model and Phenomenological Results

Roque Corral, Juan Manuel Gallardo

Proc. ASME. GT2011, Volume 6: Structures and Dynamics, Parts A and B, 1331-1341, June 6–10, 2011

Paper No: GT2011-45983

DOI: https://doi.org/10.1115/GT2011-45983

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Topics: Disks, Nonlinear dynamics, Dynamics (Mechanics), Blades, Rotors, Airfoils, Dry friction, Pressure, Steady state, Traveling waves

Proceedings Papers

Verification of the Vibration Amplitude Prediction of Self-Excited LPT Rotor Blades Using a Fully Coupled Time-Domain Non-Linear Method and Experimental Data

Roque Corral, Juan Manuel Gallardo

Proc. ASME. GT2008, Volume 5: Structures and Dynamics, Parts A and B, 835-847, June 9–13, 2008

Paper No: GT2008-51416

DOI: https://doi.org/10.1115/GT2008-51416

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Topics: Blades, Rotors, Vibration, Airfoils, Disks, Dry friction, Pressure, Turbines, Aerodynamics, Energy budget (Physics)

Proceedings Papers

A Conceptual Flutter Analysis of a Packet of Vanes Using a Mass-Spring Model

Roque Corral, Juan Manuel Gallardo, Carlos Martel

Proc. ASME. GT2007, Volume 5: Turbo Expo 2007, 599-607, May 14–17, 2007

Paper No: GT2007-27090

DOI: https://doi.org/10.1115/GT2007-27090

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Topics: Flutter (Aerodynamics), Springs, Mode shapes, Aerodynamics, Airfoils, Damping, Fluid-dynamic forces, Stiffness, Approximation, Dynamics (Mechanics)

Journal Articles

A Conceptual Flutter Analysis of a Packet of Vanes Using a Mass-Spring Model

Roque Corral, Juan Manuel Gallardo, Carlos Martel

J. Turbomach. April 2009, 131(2): 021016.

DOI: https://doi.org/10.1115/1.2952364

Published Online: January 29, 2009

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Topics: Aerodynamics, Damping, Flutter (Aerodynamics), Springs, Stators

Proceedings Papers

Linear Stability Analysis of LPT Rotor Packets: Part II — Three-Dimensional Results and Mistuning Effects

Roque Corral, Juan Manuel Gallardo, Carlos Vasco

Proc. ASME. GT2004, Volume 6: Turbo Expo 2004, 563-572, June 14–17, 2004

Paper No: GT2004-54120

DOI: https://doi.org/10.1115/GT2004-54120

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Topics: Rotors, Stability, Disks, Damping, Airfoils, Accounting, Blades, Cantilevers, Design, Flutter (Aerodynamics)

Proceedings Papers

A Methodology for the Vibration Amplitude Prediction of Self-Excited Rotors Based on Dimensional Analysis

Roque Corral, Juan Manuel Gallardo

Proc. ASME. GT2006, Volume 5: Marine; Microturbines and Small Turbomachinery; Oil and Gas Applications; Structures and Dynamics, Parts A and B, 1101-1113, May 8–11, 2006

Paper No: GT2006-90668

DOI: https://doi.org/10.1115/GT2006-90668

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Topics: Dimensional analysis, Rotors, Vibration, Blades, Airfoils, Aerodynamics, Disks, Dry friction, Excitation, Friction

Journal Articles

Aeroelastic Stability of Welded-in-Pair Low Pressure Turbine Rotor Blades: A Comparative Study Using Linear Methods

Roque Corral, Juan Manuel Gallardo, Carlos Vasco

J. Turbomach. January 2007, 129(1): 72–83.

DOI: https://doi.org/10.1115/1.2366512

Published Online: March 1, 2004

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Topics: Airfoils, Blades, Damping, Disks, Pressure, Rotors, Stability, Flutter (Aerodynamics), Turbines, Torsion

Journal citation

NARROW

Study of the Effect of the Scatter of Acoustic Modes on Turbine Flutter

Study of the Impact of Multi-Row Interaction on Flutter Analysis for a Representative LPT Geometry

Conceptual Analysis of the Non-Linear Forced Response of Aerodynamically Unstable Bladed-Discs

Non-Linear Dynamics of Multi-Mode Unstable Bladed-Disks: Part I—Description of a Canonical Model and Phenomenological Results

Verification of the Vibration Amplitude Prediction of Self-Excited LPT Rotor Blades Using a Fully Coupled Time-Domain Non-Linear Method and Experimental Data

A Conceptual Flutter Analysis of a Packet of Vanes Using a Mass-Spring Model

A Conceptual Flutter Analysis of a Packet of Vanes Using a Mass-Spring Model

Linear Stability Analysis of LPT Rotor Packets: Part II — Three-Dimensional Results and Mistuning Effects

A Methodology for the Vibration Amplitude Prediction of Self-Excited Rotors Based on Dimensional Analysis

Aeroelastic Stability of Welded-in-Pair Low Pressure Turbine Rotor Blades: A Comparative Study Using Linear Methods

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